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merged libpng 1.5.6 to trunk

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@69822 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Dimitri Schoolwerth
2011-11-25 22:25:11 +00:00
parent 0fdeaabe4d
commit 9c0d9ce328
138 changed files with 34127 additions and 53356 deletions
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114
src/png/ANNOUNCE
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@@ -1,5 +1,4 @@
Libpng 1.4.4 - September 23, 2010
Libpng 1.5.6 - November 3, 2011
This is a public release of libpng, intended for use in production codes.
@@ -8,58 +7,81 @@ Files available for download:
Source files with LF line endings (for Unix/Linux) and with a
"configure" script
libpng-1.4.4.tar.xz (LZMA-compressed, recommended)
libpng-1.4.4.tar.gz
libpng-1.4.4.tar.bz2
libpng-1.5.6.tar.xz (LZMA-compressed, recommended)
libpng-1.5.6.tar.gz
libpng-1.5.6.tar.bz2
Source files with CRLF line endings (for Windows), without the
"configure" script
lpng144.zip
lpng144.7z
lpng156.7z (LZMA-compressed, recommended)
lpng156.zip
Other information:
libpng-1.4.4-README.txt
libpng-1.4.4-LICENSE.txt
libpng-1.5.6-README.txt
libpng-1.5.6-LICENSE.txt
Changes since the last public release (1.4.3):
Removed extraneous new_push_process_row.c file.
Revised the "SEE ALSO" style of libpng.3, libpngpf.3, and png.5
Removed some newly-added TAB characters from pngpread.c.
Fixed some indentation in pngpread.c and pngrutil.c
Changed "extern PNG_EXPORT" to "PNG_EXPORT" in png.h (Jan Nijtmans)
Changed "extern" to "PNG_EXTERN" in pngpriv.h (except for the 'extern "C" {')
Put "#ifndef PNG_EXTERN, #endif" around "#define PNG_EXTERN" in pngpriv.h
Added -DNO_PNG_SNPRINTF to CFLAGS in scripts/makefile.dj2
Moved the definition of png_snprintf() outside of the enclosing
#ifdef blocks in pngconf.h
Made a special case "#define PNGAPI" in pngconf.h for WATCOM.
Removed reference to cbuilder5/* from Makefile.in and Makefile.am
Updated the read macros and functions from 1.5.0beta38.
Updated projects/visualc71 so it can find scripts/pnglibconf.h
Removed unused png_mem_* defines from pngconf.h.
Correct use of _WINDOWS_ in pngconf.h
Don't try to use version-script with cygwin/mingw.
Revised contrib/gregbook to work under cygwin/mingw.
Updated prebuilt aclocal.m4 and ltmain.sh
Add .dll.a to the list of extensions to be symlinked by Makefile.am (Yaakov)
Updated CMakelists.txt to use CMAKE_INSTALL_LIBDIR variable; useful for
installing libpng in /usr/lib64 (Funda Wang).
Revised CMakeLists.txt to put the man pages in share/man/man* not man/man*
Revised CMakeLists.txt to make symlinks instead of copies when installing.
Moved "#include pngusr.h" ahead of PNG_USER_PRIVATEBUILD test in pngconf.h
Eliminated a deprecated reference to png_ptr->io_ptr in pngtest.c
Eliminated new unnecessary #if tests regarding the sCAL chunk from pngrutil.c
Updated the xcode project to work with libpng-1.4.x and added iOS targets
for simulator and device (Philippe Hausler).
Revised autogen.sh to recognize and use $AUTOCONF, $AUTOMAKE, $AUTOHEADER,
$AUTOPOINT, $ACLOCAL and $LIBTOOLIZE
Rebuilt configure scripts with automake-1.11.1 instead of automake-1.11.
Removed unused mkinstalldirs file.
Changes since the last public release (1.5.5):
Send comments/corrections/commendations to glennrp at users.sourceforge.net
or to png-mng-implement at lists.sf.net (subscription required; visit
https://lists.sourceforge.net/lists/listinfo/png-mng-implement).
Fixed some 64-bit type conversion warnings in pngrtran.c
Moved row_info from png_struct to a local variable.
The various interlace mask arrays have been made into arrays of
bytes and made PNG_CONST and static (previously some arrays were
marked PNG_CONST and some weren't).
Additional checks have been added to the transform code to validate the
pixel depths after the transforms on both read and write.
Removed some redundant code from pngwrite.c, in png_desgtroy_write_struct().
Changed chunk reading/writing code to use png_uint_32 instead of png_byte[4].
This removes the need to allocate temporary strings for chunk names on
the stack in the read/write code. Unknown chunk handling still uses the
string form because this is exposed in the API.
Added a note in the manual the png_read_update_info() must be called only
once with a particular info_ptr.
Revised test-pngtest.sh to report FAIL when pngtest fails.
Added "--strict" option to pngtest, to report FAIL when the failure is
only because the resulting valid files are different.
Revised CMakeLists.txt to work with mingw and removed some material from
CMakeLists.txt that is no longer useful in libpng-1.5.
Fixed typo in Makefile.in and Makefile.am ("-M Wl" should be "-M -Wl")."
Speed up png_combine_row() for interlaced images. This reduces the generality
of the code, allowing it to be optimized for Adam7 interlace. The masks
passed to png_combine_row() are now generated internally, avoiding
some code duplication and localizing the interlace handling somewhat.
Align png_struct::row_buf - previously it was always unaligned, caused by
a bug in the code that attempted to align it; the code needs to subtract
one from the pointer to take account of the filter byte prepended to
each row.
Optimized png_combine_row() when rows are aligned. This gains a small
percentage for 16-bit and 32-bit pixels in the typical case where the
output row buffers are appropriately aligned. The optimization was not
previously possible because the png_struct buffer was always misaligned.
Removed two redundant tests for unitialized row.
Fixed a relatively harmless memory overwrite in compressed text writing
with a 1 byte zlib buffer.
Add ability to call png_read_update_info multiple times to pngvalid.c
Fixes for multiple calls to png_read_update_info. These fixes attend to
most of the errors revealed in pngvalid, however doing the gamma work
twice results in inaccuracies that can't be easily fixed. There is now
a warning in the code if this is going to happen.
Turned on multiple png_read_update_info in pngvalid transform tests.
Prevent libpng from overwriting unused bits at the end of the image when
it is not byte aligned, while reading. Prior to libpng-1.5.6 libpng would
overwrite the partial byte at the end of each row if the row width was not
an exact multiple of 8 bits and the image is not interlaced.
Made png_ptr->prev_row an aligned pointer into png_ptr->big_prev_row
(Mans Rullgard).
Changed misleading "Missing PLTE before cHRM" warning to "Out of place cHRM"
Added PNG_LSR() and PNG_LSL() macros to defend against buggy compilers that
evaluate non-taken code branches and complain about out-of-range shifts.
Renamed the local variable 'byte' because it appears in a MSYS header
file.
Added #define PNG_ALIGN_TYPE PNG_ALIGN_NONE to contrib/pngminim/*/pngusr.h
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit
https://lists.sourceforge.net/lists/listinfo/png-mng-implement
to subscribe)
or to glennrp at users.sourceforge.net
Glenn R-P

2308
src/png/CHANGES
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File diff suppressed because it is too large Load Diff

228
src/png/CMakeLists.txt
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@@ -1,10 +1,24 @@
# CMakeLists.txt
# Copyright (C) 2007-2011 Glenn Randers-Pehrson
# This code is released under the libpng license.
# For conditions of distribution and use, see the disclaimer
# and license in png.h
cmake_minimum_required(VERSION 2.4.4)
set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true)
if(UNIX AND NOT DEFINED CMAKE_BUILD_TYPE)
if(CMAKE_MAJOR_VERSION EQUAL 2 AND CMAKE_MINOR_VERSION EQUAL 4)
# workaround CMake 2.4.x bug
set(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING "Choose the type of build, options are: None(CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used) Debug Release RelWithDebInfo MinSizeRel.")
set(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING
"Choose the type of build, options are:
None(CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used)
Debug
Release
RelWithDebInfo
MinSizeRel.")
else()
set(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING
"Choose the type of build, options are:
@@ -19,15 +33,9 @@ endif()
project(libpng C)
enable_testing()
# Copyright (C) 2007-2010 Glenn Randers-Pehrson
# This code is released under the libpng license.
# For conditions of distribution and use, see the disclaimer
# and license in png.h
set(PNGLIB_MAJOR 1)
set(PNGLIB_MINOR 4)
set(PNGLIB_RELEASE 4)
set(PNGLIB_MINOR 5)
set(PNGLIB_RELEASE 6)
set(PNGLIB_NAME libpng${PNGLIB_MAJOR}${PNGLIB_MINOR})
set(PNGLIB_VERSION ${PNGLIB_MAJOR}.${PNGLIB_MINOR}.${PNGLIB_RELEASE})
@@ -61,39 +69,11 @@ else()
option(PNG_STATIC "Build static lib" ON)
endif()
if(MINGW)
option(PNG_TESTS "Build pngtest" NO)
else()
option(PNG_TESTS "Build pngtest" YES)
endif()
option(PNG_TESTS "Build libpng tests" YES)
option(PNG_NO_CONSOLE_IO "FIXME" YES)
option(PNG_NO_STDIO "FIXME" YES)
# Many more configuration options could be added here
option(PNG_DEBUG "Build with debug output" NO)
option(PNGARG "FIXME" YES)
#TODO:
# PNG_CONSOLE_IO_SUPPORTED
# maybe needs improving, but currently I don't know when we can enable what :)
set(png_asm_tmp "OFF")
if(NOT WIN32)
find_program(uname_executable NAMES uname PATHS /bin /usr/bin /usr/local/bin)
if(uname_executable)
exec_program(${uname_executable}
ARGS --machine OUTPUT_VARIABLE uname_output)
if("uname_output" MATCHES "^.*i[1-9]86.*$")
set(png_asm_tmp "ON")
else("uname_output" MATCHES "^.*i[1-9]86.*$")
set(png_asm_tmp "OFF")
endif("uname_output" MATCHES "^.*i[1-9]86.*$")
endif(uname_executable)
else()
# this env var is normally only set on win64
set(TEXT "ProgramFiles(x86)")
if("$ENV{${TEXT}}" STREQUAL "")
set(png_asm_tmp "ON")
endif("$ENV{${TEXT}}" STREQUAL "")
endif()
option(PNGARG "Disable ANSI-C prototypes" NO)
# SET LIBNAME
set(PNG_LIB_NAME png${PNGLIB_MAJOR}${PNGLIB_MINOR})
@@ -101,12 +81,26 @@ set(PNG_LIB_NAME png${PNGLIB_MAJOR}${PNGLIB_MINOR})
# to distinguish between debug and release lib
set(CMAKE_DEBUG_POSTFIX "d")
# Use the prebuilt pnglibconf.h file from the scripts folder
# TODO: fix this by building with awk; without this no cmake build can be
# configured directly (to do so indirectly use your local awk to build a
# pnglibconf.h in the build directory.)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/scripts/pnglibconf.h.prebuilt
${CMAKE_CURRENT_BINARY_DIR}/pnglibconf.h)
include_directories(${CMAKE_CURRENT_BINARY_DIR})
# OUR SOURCES
set(libpng_sources
set(libpng_public_hdrs
png.h
pngconf.h
${CMAKE_CURRENT_BINARY_DIR}/pnglibconf.h
)
set(libpng_sources
${libpng_public_hdrs}
pngdebug.h
pnginfo.h
pngpriv.h
pngstruct.h
png.c
pngerror.c
pngget.c
@@ -126,44 +120,21 @@ set(libpng_sources
set(pngtest_sources
pngtest.c
)
set(pngvalid_sources
pngvalid.c
)
# SOME NEEDED DEFINITIONS
add_definitions(-DPNG_CONFIGURE_LIBPNG)
if(_AIX)
add_definitions(-D_ALL_SOURCE)
endif(_AIX)
if(MSVC)
add_definitions(-DPNG_NO_MODULEDEF -D_CRT_SECURE_NO_DEPRECATE)
add_definitions(-D_CRT_SECURE_NO_DEPRECATE)
endif(MSVC)
if(PNG_SHARED OR NOT MSVC)
#if building msvc static this has NOT to be defined
add_definitions(-DZLIB_DLL)
endif()
if(PNG_CONSOLE_IO_SUPPORTED)
add_definitions(-DPNG_CONSOLE_IO_SUPPORTED)
endif()
if(PNG_NO_CONSOLE_IO)
add_definitions(-DPNG_NO_CONSOLE_IO)
endif()
if(PNG_NO_STDIO)
add_definitions(-DPNG_NO_STDIO)
endif()
if(PNG_DEBUG)
add_definitions(-DPNG_DEBUG)
endif()
if(NOT M_LIBRARY AND NOT WIN32)
add_definitions(-DPNG_NO_FLOATING_POINT_SUPPORTED)
endif()
# NOW BUILD OUR TARGET
include_directories(${CMAKE_CURRENT_SOURCE_DIR} ${ZLIB_INCLUDE_DIR})
@@ -188,7 +159,6 @@ if(PNG_STATIC)
target_link_libraries(${PNG_LIB_NAME_STATIC} ${ZLIB_LIBRARY} ${M_LIBRARY})
endif()
if(PNG_SHARED AND WIN32)
set_target_properties(${PNG_LIB_NAME} PROPERTIES DEFINE_SYMBOL PNG_BUILD_DLL)
endif()
@@ -198,54 +168,70 @@ if(PNG_TESTS AND PNG_SHARED)
add_executable(pngtest ${pngtest_sources})
target_link_libraries(pngtest ${PNG_LIB_NAME})
add_test(pngtest ./pngtest ${CMAKE_CURRENT_SOURCE_DIR}/pngtest.png)
#
add_executable(pngvalid ${pngvalid_sources})
target_link_libraries(pngvalid ${PNG_LIB_NAME})
add_test(pngvalid ./pngvalid)
endif()
#
# Ensure the CMAKE_LIBRARY_OUTPUT_DIRECTORY is set
IF(NOT CMAKE_LIBRARY_OUTPUT_DIRECTORY)
IF(WIN32)
SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY "bin")
ELSE(WIN32)
SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY "lib")
ENDIF(WIN32)
ENDIF(NOT CMAKE_LIBRARY_OUTPUT_DIRECTORY)
# Set a variable with CMake code which:
# Creates a symlink from src to dest (if possible) or alternatively
# copies if different.
macro(_png_generate_symlink_code CODE SRC DEST)
macro(CREATE_SYMLINK SRC_FILE DEST_FILE)
FILE(REMOVE ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${DEST_FILE})
if(WIN32 AND NOT CYGWIN)
set(_png_gsc_message "Copying ${SRC} to ${DEST} if needed")
set(_png_gsc_operation "copy_if_different")
else()
set(_png_gsc_message "Symlinking ${SRC} to ${DEST}")
set(_png_gsc_operation "create_symlink")
endif()
set(${CODE} "
message(STATUS \"${_png_gsc_message}\")
execute_process(COMMAND \${CMAKE_COMMAND} -E ${_png_gsc_operation}
\"${SRC}\" \"${DEST}\")
")
ADD_CUSTOM_COMMAND(
OUTPUT ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${DEST_FILE} ${CMAKE_CURRENT_BINARY_DIR}/${DEST_FILE}
COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_BINARY_DIR}/${SRC_FILE} ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${DEST_FILE}
COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_BINARY_DIR}/${SRC_FILE} ${CMAKE_CURRENT_BINARY_DIR}/${DEST_FILE}
DEPENDS ${PNG_LIB_NAME} ${PNG_LIB_NAME_STATIC}
)
ADD_CUSTOM_TARGET(${DEST_FILE}_COPY ALL DEPENDS ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${DEST_FILE})
else(WIN32 AND NOT CYGWIN)
execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink ${SRC_FILE} ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/${DEST_FILE} WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink ${SRC_FILE} ${DEST_FILE} WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
endif(WIN32 AND NOT CYGWIN)
endmacro()
# libpng is a library so default to 'lib'
if(NOT DEFINED CMAKE_INSTALL_LIBDIR)
set(CMAKE_INSTALL_LIBDIR lib)
endif(NOT DEFINED CMAKE_INSTALL_LIBDIR)
# CREATE PKGCONFIG FILES
# we use the same files like ./configure, so we have to set its vars
if(NOT DEFINED CMAKE_INSTALL_LIBDIR)
set(CMAKE_INSTALL_LIBDIR ${CMAKE_INSTALL_PREFIX}/lib)
endif(NOT DEFINED CMAKE_INSTALL_LIBDIR)
# Only do this on Windows for Cygwin - the files don't make much sense outside
# a UNIX look alike
if(NOT WIN32 OR CYGWIN)
set(prefix ${CMAKE_INSTALL_PREFIX})
set(exec_prefix ${CMAKE_INSTALL_PREFIX})
set(libdir ${CMAKE_INSTALL_LIBDIR})
set(libdir ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR})
set(includedir ${CMAKE_INSTALL_PREFIX}/include)
set(LIBS "-lz -lm")
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng.pc.in
${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}.pc @ONLY)
_png_generate_symlink_code(PNG_PC_INSTALL_CODE ${PNGLIB_NAME}.pc libpng.pc)
install(CODE ${PNG_PC_INSTALL_CODE})
CREATE_SYMLINK(${PNGLIB_NAME}.pc libpng.pc)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng-config.in
${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config @ONLY)
_png_generate_symlink_code(PNG_CONFIG_INSTALL_CODE ${PNGLIB_NAME}-config libpng-config)
install(CODE ${PNG_CONFIG_INSTALL_CODE})
CREATE_SYMLINK(${PNGLIB_NAME}-config libpng-config)
endif(NOT WIN32 OR CYGWIN)
# SET UP LINKS
if(PNG_SHARED)
set_target_properties(${PNG_LIB_NAME} PROPERTIES
# VERSION 14.${PNGLIB_RELEASE}.1.4.4
VERSION 14.${PNGLIB_RELEASE}.0
SOVERSION 14
# VERSION 15.${PNGLIB_RELEASE}.1.5.6
VERSION 15.${PNGLIB_RELEASE}.0
SOVERSION 15
CLEAN_DIRECT_OUTPUT 1)
endif()
if(PNG_STATIC)
@@ -277,42 +263,42 @@ if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL )
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
# Create a symlink for libpng.dll.a => libpng14.dll.a on Cygwin
# Create a symlink for libpng.dll.a => libpng15.dll.a on Cygwin
if(CYGWIN)
_png_generate_symlink_code(PNG_SHARED_IMPLIB_INSTALL_CODE
${PNGLIB_NAME}${CMAKE_IMPORT_LIBRARY_SUFFIX}
libpng${CMAKE_IMPORT_LIBRARY_SUFFIX})
install(CODE ${PNG_SHARED_IMPLIB_INSTALL_CODE})
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_IMPORT_LIBRARY_SUFFIX} DESTINATION ${CMAKE_INSTALL_LIBDIR})
endif()
get_target_property(BUILD_TARGET_LOCATION ${PNG_LIB_NAME} LOCATION_${CMAKE_BUILD_TYPE})
get_filename_component(BUILD_TARGET_FILE ${BUILD_TARGET_LOCATION} NAME)
CREATE_SYMLINK(${BUILD_TARGET_FILE} libpng${CMAKE_IMPORT_LIBRARY_SUFFIX})
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_IMPORT_LIBRARY_SUFFIX}
DESTINATION ${CMAKE_INSTALL_LIBDIR})
endif(CYGWIN)
if(NOT WIN32)
_png_generate_symlink_code(PNG_SHARED_INSTALL_CODE
${PNGLIB_NAME}${CMAKE_SHARED_LIBRARY_SUFFIX}
libpng${CMAKE_SHARED_LIBRARY_SUFFIX})
install(CODE ${PNG_SHARED_INSTALL_CODE})
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_SHARED_LIBRARY_SUFFIX} DESTINATION ${CMAKE_INSTALL_LIBDIR})
endif()
endif()
get_target_property(BUILD_TARGET_LOCATION ${PNG_LIB_NAME} LOCATION_${CMAKE_BUILD_TYPE})
get_filename_component(BUILD_TARGET_FILE ${BUILD_TARGET_LOCATION} NAME)
CREATE_SYMLINK(${BUILD_TARGET_FILE} libpng${CMAKE_SHARED_LIBRARY_SUFFIX})
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_SHARED_LIBRARY_SUFFIX}
DESTINATION ${CMAKE_INSTALL_LIBDIR})
endif(NOT WIN32)
endif(PNG_SHARED)
if(PNG_STATIC)
install(TARGETS ${PNG_LIB_NAME_STATIC}
${PNG_EXPORT_RULE}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
if(NOT WIN32 OR CYGWIN)
_png_generate_symlink_code(PNG_STATIC_INSTALL_CODE
${PNGLIB_NAME}${CMAKE_STATIC_LIBRARY_SUFFIX}
libpng${CMAKE_STATIC_LIBRARY_SUFFIX})
install(CODE ${PNG_STATIC_INSTALL_CODE})
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_STATIC_LIBRARY_SUFFIX} DESTINATION ${CMAKE_INSTALL_LIBDIR})
endif()
endif()
get_target_property(BUILD_TARGET_LOCATION ${PNG_LIB_NAME_STATIC} LOCATION_${CMAKE_BUILD_TYPE})
get_filename_component(BUILD_TARGET_FILE ${BUILD_TARGET_LOCATION} NAME)
CREATE_SYMLINK(${BUILD_TARGET_FILE} libpng${CMAKE_STATIC_LIBRARY_SUFFIX})
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_STATIC_LIBRARY_SUFFIX}
DESTINATION ${CMAKE_INSTALL_LIBDIR})
endif(NOT WIN32 OR CYGWIN)
endif()
endif()
if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL )
install(FILES png.h pngconf.h DESTINATION include)
install(FILES png.h pngconf.h DESTINATION include/${PNGLIB_NAME})
install(FILES ${libpng_public_hdrs} DESTINATION include)
install(FILES ${libpng_public_hdrs} DESTINATION include/${PNGLIB_NAME})
endif()
if(NOT SKIP_INSTALL_EXECUTABLES AND NOT SKIP_INSTALL_ALL )
install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/libpng-config DESTINATION bin)
@@ -343,13 +329,11 @@ if(PNG_EXPORT_RULE AND NOT SKIP_INSTALL_EXPORT AND NOT SKIP_INSTALL_ALL )
install(EXPORT libpng DESTINATION lib/libpng FILE lib${PNG_LIB_NAME}.cmake)
endif()
# what's with libpng.txt and all the extra files?
# what's with libpng-$VER%.txt and all the extra files?
# UNINSTALL
# do we need this?
# DIST
# do we need this?

47
src/png/INSTALL
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@@ -1,5 +1,5 @@
Installing libpng version 1.4.4 - September 23, 2010
Installing libpng
On Unix/Linux and similar systems, you can simply type
@@ -13,10 +13,16 @@ If configure does not work on your system and you have a reasonably
up-to-date set of tools, running ./autogen.sh before running ./configure
may fix the problem. You can also run the individual commands in
autogen.sh with the --force option, if supported by your version of
the tools. If you run 'libtoolize --force', though, this will replace
the distributed, patched, version of ltmain.sh with an unpatched version
and your shared library builds may fail to produce libraries with the
correct version numbers.
the tools. To be really sure that you aren't using any of the included
pre-built scripts, you can do this:
./configure --enable-maintainer-mode
make maintainer-clean
./autogen.sh
./configure [--prefix=/path] [other options]
make
make install
make check
Instead, you can use one of the custom-built makefiles in the
"scripts" directory
@@ -46,8 +52,8 @@ to have access to the zlib.h and zconf.h include files that
correspond to the version of zlib that's installed.
You can rename the directories that you downloaded (they
might be called "libpng-1.4.4" or "libpng14" and "zlib-1.2.3"
or "zlib123") so that you have directories called "zlib" and "libpng".
might be called "libpng-x.y.z" or "libpngNN" and "zlib-1.2.5"
or "zlib125") so that you have directories called "zlib" and "libpng".
Your directory structure should look like this:
@@ -60,9 +66,9 @@ Your directory structure should look like this:
CMakeLists.txt => "cmake" script
configuration files:
configure.ac, configure, Makefile.am, Makefile.in,
autogen.sh, config.guess, ltmain.sh, missing,
aclocal.m4, config.h.in, config.sub,
depcomp, install-sh, test-pngtest.sh
autogen.sh, config.guess, ltmain.sh, missing, libpng.pc.in,
libpng-config.in, aclocal.m4, config.h.in, config.sub,
depcomp, install-sh, mkinstalldirs, test-pngtest.sh
contrib
gregbook
pngminim
@@ -70,14 +76,12 @@ Your directory structure should look like this:
pngsuite
visupng
projects
cbuilder5 (Borland)
visualc6 (msvc)
visualc71
vstudio
xcode
scripts
makefile.*
*.def (module definition files)
etc.
pngtest.png
etc.
zlib
@@ -108,7 +112,7 @@ scripts directory into this directory, for example
Read the makefile to see if you need to change any source or
target directories to match your preferences.
Then read pngconf.h to see if you want to make any configuration
Then read pnglibconf.dfa to see if you want to make any configuration
changes.
Then just run "make" which will create the libpng library in
@@ -126,19 +130,6 @@ do that, run "make install" in the zlib directory first if necessary).
Some also allow you to run "make test-installed" after you have
run "make install".
If you encounter a compiler error message complaining about the
lines
__png.h__ already includes setjmp.h;
__dont__ include it again.;
this means you have compiled another module that includes setjmp.h,
which is hazardous because the two modules might not include exactly
the same setjmp.h. If you are sure that you know what you are doing
and that they are exactly the same, then you can comment out or
delete the two lines. Better yet, use the cexcept interface
instead, as demonstrated in contrib/visupng of the libpng distribution.
Further information can be found in the README and libpng.txt
Further information can be found in the README and libpng-manual.txt
files, in the individual makefiles, in png.h, and the manual pages
libpng.3 and png.5.

6
src/png/LICENSE
View File

@@ -10,8 +10,8 @@ this sentence.
This code is released under the libpng license.
libpng versions 1.2.6, August 15, 2004, through 1.4.4, September 23, 2010, are
Copyright (c) 2004, 2006-2010 Glenn Randers-Pehrson, and are
libpng versions 1.2.6, August 15, 2004, through 1.5.6, November 3, 2011, are
Copyright (c) 2004, 2006-2011 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as libpng-1.2.5
with the following individual added to the list of Contributing Authors
@@ -108,4 +108,4 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
September 23, 2010
November 3, 2011

132
src/png/Makefile.am
View File

@@ -1,132 +0,0 @@
# Makefile.am:
# Source file for Makefile.in (and hence Makefile)
#
PNGLIB_BASENAME= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@
# libpng does not follow GNU file name conventions
AUTOMAKE_OPTIONS = foreign
# test programs - run on make check, make distcheck
check_PROGRAMS= pngtest
pngtest_SOURCES = pngtest.c
pngtest_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
TESTS = test-pngtest.sh
TESTS_ENVIRONMENT= srcdir=$(srcdir)
# man pages
dist_man_MANS= libpng.3 libpngpf.3 png.5
# generate the -config scripts if required
binconfigs= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config
EXTRA_SCRIPTS= libpng-config libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config
bin_SCRIPTS= @binconfigs@
# rules to build libpng, only build the old library on request
lib_LTLIBRARIES=libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
# EXTRA_LTLIBRARIES= libpng.la
libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = png.c pngset.c pngget.c pngrutil.c \
pngtrans.c pngwutil.c \
pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
pngwtran.c pngmem.c pngerror.c pngpread.c \
png.h pngconf.h pngpriv.h
libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_CPPFLAGS = @LIBPNG_DEFINES@
libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS = -no-undefined -export-dynamic \
-version-number @PNGLIB_MAJOR@@PNGLIB_MINOR@:@PNGLIB_RELEASE@:0
if HAVE_LD_VERSION_SCRIPT
# Versioned symbols and restricted exports
libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,--version-script=libpng.vers
libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.vers
else
# Only restricted exports when possible
libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -export-symbols libpng.sym
libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.sym
endif
# Avoid depending upon Character Ranges.
AN = '_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
#distribute headers in /usr/include/libpng/*
pkgincludedir= $(includedir)/$(PNGLIB_BASENAME)
pkginclude_HEADERS= png.h pngconf.h
# pkg-config stuff, note that libpng.pc is always required in order
# to get the correct library
pkgconfigdir = @pkgconfigdir@
pkgconfig_DATA = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc
#extra source distribution files.
EXTRA_DIST= \
ANNOUNCE CHANGES INSTALL LICENSE README TODO \
pngtest.png pngbar.png pngnow.png pngbar.jpg autogen.sh \
${srcdir}/projects/visualc6/* \
${srcdir}/projects/visualc71/* \
${srcdir}/projects/xcode/* \
${srcdir}/scripts/* \
${srcdir}/contrib/gregbook/* \
${srcdir}/contrib/pngminim/* \
${srcdir}/contrib/pngminus/* \
${srcdir}/contrib/pngsuite/* \
${srcdir}/contrib/visupng/* \
$(TESTS) \
example.c libpng-*.txt
CLEANFILES= pngout.png libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers \
libpng.sym
MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.guess config.h.in \
config.sub configure depcomp install-sh ltmain.sh missing
$(PNGLIB_BASENAME).pc: libpng.pc
cp libpng.pc $@
$(PNGLIB_BASENAME)-config: libpng-config
cp libpng-config $@
libpng.sym: png.h pngconf.h
rm -f $@ $@.new
$(CPP) @LIBPNG_DEFINES@ $(CPPFLAGS) -DPNG_BUILDSYMS $(srcdir)/png.h | \
$(SED) -n -e \
's|^.*PNG_FUNCTION_EXPORT[ ]*\([$(AN)]*\).*$$|$(SYMBOL_PREFIX)\1|p' \
-e 's|^.*PNG_DATA_EXPORT[ ]*\([$(AN)]*\).*$$|$(SYMBOL_PREFIX)\1|p' \
>$@.new
mv $@.new $@
libpng.vers: libpng.sym
rm -f $@ $@.new
echo PNG@PNGLIB_MAJOR@@PNGLIB_MINOR@_0 '{global:' > $@.new
$(SED) s/$$/\;/ libpng.sym >> $@.new
echo 'local: *; };' >> $@.new
mv $@.new $@
test: check
# install the .../include headers as links to the new ones
install-data-hook:
cd $(DESTDIR)$(includedir); rm -f png.h pngconf.h
cd $(DESTDIR)$(includedir); $(LN_S) $(PNGLIB_BASENAME)/png.h png.h
cd $(DESTDIR)$(includedir); $(LN_S) $(PNGLIB_BASENAME)/pngconf.h \
pngconf.h
cd $(DESTDIR)$(pkgconfigdir); rm -f libpng.pc
cd $(DESTDIR)$(pkgconfigdir); $(LN_S) $(PNGLIB_BASENAME).pc libpng.pc
# do evil things to libpng to cause libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@ to be used
install-exec-hook:
cd $(DESTDIR)$(bindir); rm -f libpng-config
cd $(DESTDIR)$(bindir); $(LN_S) $(PNGLIB_BASENAME)-config libpng-config
@set -x;\
cd $(DESTDIR)$(libdir);\
for ext in a la so so.@PNGLIB_MAJOR@@PNGLIB_MINOR@.@PNGLIB_RELEASE@ sl dylib dll.a; do\
rm -f libpng.$$ext;\
if test -f $(PNGLIB_BASENAME).$$ext; then\
$(LN_S) $(PNGLIB_BASENAME).$$ext libpng.$$ext;\
fi;\
done
uninstall-hook:
cd $(DESTDIR)$(includedir); rm -f png.h pngconf.h
rm -f $(DESTDIR)$(pkgconfigdir)/libpng.pc
rm -f $(DESTDIR)$(bindir)/libpng-config

1261
src/png/Makefile.in
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95
src/png/README
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@@ -1,4 +1,4 @@
README for libpng version 1.4.4 - September 23, 2010 (shared library 14.0)
README for libpng version 1.5.6 - November 3, 2011 (shared library 15.0)
See the note about version numbers near the top of png.h
See INSTALL for instructions on how to install libpng.
@@ -58,7 +58,7 @@ on the PNG-implement mailing list and not on material submitted
privately to Guy, Andreas, or Glenn. They will forward any good
suggestions to the list.
For a detailed description on using libpng, read libpng.txt. For
For a detailed description on using libpng, read libpng-manual.txt. For
examples of libpng in a program, see example.c and pngtest.c. For usage
information and restrictions (what little they are) on libpng, see
png.h. For a description on using zlib (the compression library used by
@@ -114,19 +114,16 @@ given in previous versions of this document. He and Andreas will
read mail addressed to the png-implement list, however.
Please do not send general questions about PNG. Send them to
the (png-list at ccrc.wustl.edu, subscription required, write to
majordomo at ccrc.wustl.edu with "subscribe png-list" in your message).
On the other hand,
please do not send libpng questions to that address, send them to me
or to the png-implement list. I'll
get them in the end anyway. If you have a question about something
png-mng-misc at lists.sf.net (subscription required; visit
https://lists.sourceforge.net/lists/listinfo/png-mng-misc to
subscribe). If you have a question about something
in the PNG specification that is related to using libpng, send it
to me. Send me any questions that start with "I was using libpng,
and ...". If in doubt, send questions to me. I'll bounce them
to others, if necessary.
Please do not send suggestions on how to change PNG. We have
been discussing PNG for nine years now, and it is official and
been discussing PNG for sixteen years now, and it is official and
finished. If you have suggestions for libpng, however, I'll
gladly listen. Even if your suggestion is not used immediately,
it may be used later.
@@ -141,13 +138,17 @@ Files in this distribution:
TODO => Things not implemented in the current library
Y2KINFO => Statement of Y2K compliance
example.c => Example code for using libpng functions
libpng.3 => manual page for libpng (includes libpng.txt)
libpng.txt => Description of libpng and its functions
libpng.3 => manual page for libpng (includes libpng-manual.txt)
libpng-manual.txt => Description of libpng and its functions
libpngpf.3 => manual page for libpng's private functions
png.5 => manual page for the PNG format
png.c => Basic interface functions common to library
png.h => Library function and interface declarations
pngconf.h => System specific library configuration
png.h => Library function and interface declarations (public)
pngpriv.h => Library function and interface declarations (private)
pngconf.h => System specific library configuration (public)
pngstruct.h => png_struct declaration (private)
pnginfo.h => png_info struct declaration (private)
pngdebug.h => debugging macros (private)
pngerror.c => Error/warning message I/O functions
pngget.c => Functions for retrieving info from struct
pngmem.c => Memory handling functions
@@ -176,72 +177,16 @@ Files in this distribution:
visupng => Contains a MSVC workspace for VisualPng
projects => Contains project files and workspaces for
building a DLL
c5builder => Contains a Borland workspace for building
cbuilder5 => Contains a Borland workspace for building
libpng and zlib
visualc6 => Contains a Microsoft Visual C++ (MSVC)
workspace for building libpng and zlib
visualc71 => Contains a Microsoft Visual C++ (MSVC)
workspace for building libpng and zlib
xcode => Contains an Apple xcode
workspace for building libpng and zlib
scripts => Directory containing scripts for building libpng:
descrip.mms => VMS makefile for MMS or MMK
makefile.std => Generic UNIX makefile (cc, creates static
libpng.a)
makefile.elf => Linux/ELF makefile symbol versioning,
(gcc, creates libpng14.so.14.1.4.4)
makefile.linux => Linux/ELF makefile
(gcc, creates libpng14.so.14.1.4.4)
makefile.gcc => Generic makefile (gcc, creates static libpng.a)
makefile.knr => Archaic UNIX Makefile that converts files with
ansi2knr (Requires ansi2knr.c from
ftp://ftp.cs.wisc.edu/ghost)
makefile.aix => AIX makefile
makefile.cygwin => Cygwin/gcc makefile
makefile.darwin => Darwin makefile
makefile.dec => DEC Alpha UNIX makefile
makefile.freebsd => FreeBSD makefile
makefile.hpgcc => HPUX makefile using gcc
makefile.hpux => HPUX (10.20 and 11.00) makefile
makefile.hp64 => HPUX (10.20 and 11.00) makefile, 64 bit
makefile.ibmc => IBM C/C++ version 3.x for Win32 and OS/2 (static)
makefile.intel => Intel C/C++ version 4.0 and later
makefile.mingw => Mingw/gcc makefile
makefile.netbsd => NetBSD/cc makefile, makes libpng.so.
makefile.ne14bsd => NetBSD/cc makefile, makes
libpng14.so
makefile.openbsd => OpenBSD makefile
makefile.sgi => Silicon Graphics IRIX (cc, creates static lib)
makefile.sggcc => Silicon Graphics
(gcc, creates libpng14.so.14.1.4.4)
makefile.sunos => Sun makefile
makefile.solaris => Solaris 2.X makefile
(gcc, creates libpng14.so.14.1.4.4)
makefile.so9 => Solaris 9 makefile
(gcc, creates libpng14.so.14.1.4.4)
makefile.32sunu => Sun Ultra 32-bit makefile
makefile.64sunu => Sun Ultra 64-bit makefile
makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc
makefile.mips => MIPS makefile
makefile.acorn => Acorn makefile
makefile.amiga => Amiga makefile
smakefile.ppc => AMIGA smakefile for SAS C V6.58/7.00 PPC
compiler (Requires SCOPTIONS, copied from
scripts/SCOPTIONS.ppc)
makefile.atari => Atari makefile
makefile.beos => BEOS makefile for X86
makefile.bor => Borland makefile (uses bcc)
makefile.bc32 => 32-bit Borland C++ (all modules compiled in C mode)
makefile.tc3 => Turbo C 3.0 makefile
makefile.dj2 => DJGPP 2 makefile
makefile.msc => Microsoft C makefile
makefile.vcwin32 => makefile for Microsoft Visual C++ 4.0 and
later (does not use assembler code)
makefile.os2 => OS/2 Makefile (gcc and emx, requires pngos2.def)
png32ce.def => module definition for makefile.cegccg
pngos2.def => OS/2 module definition file used by
makefile.os2
pngwin.def => module definition file used by
makefile.cygwin and makefile.mingw
makefile.watcom => Watcom 10a+ Makefile, 32-bit flat memory model
makevms.com => VMS build script
SCOPTIONS.ppc => Used with smakefile.ppc
(see scripts/README.txt for the list of scripts)
Good luck, and happy coding.

10
src/png/TODO
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@@ -2,14 +2,12 @@
TODO - list of things to do for libpng:
Final bug fixes.
Improve API by hiding the png_struct and png_info structs.
Finish work on the no-floating-point version (including gamma compensation)
Better C++ wrapper/full C++ implementation?
Fix problem with C++ and EXTERN "C".
cHRM transformation.
Improve setjmp/longjmp usage or remove it in favor of returning error codes.
Remove setjmp/longjmp usage in favor of returning error codes.
Add "grayscale->palette" transformation and "palette->grayscale" detection.
Improved quantizing and dithering.
Improved dithering.
Multi-lingual error and warning message support.
Complete sRGB transformation (presently it simply uses gamma=0.45455).
Man pages for function calls.
@@ -18,14 +16,12 @@ Better filter selection
(counting huffman bits/precompression? filter inertia? filter costs?).
Histogram creation.
Text conversion between different code pages (Latin-1 -> Mac and DOS).
Build gamma tables using fixed point (and do away with floating point entirely).
Avoid building gamma tables whenever possible.
Use greater precision when changing to linear gamma for compositing against
background and doing rgb-to-gray transformation.
Investigate pre-incremented loop counters and other loop constructions.
Add interpolated method of handling interlacing.
Provide for conditional compilation of 16-bit support (except for the
initial stripping down to 8-bits when reading a 16-bit PNG datastream).
Switch to the simpler zlib (zlib/libpng) license if legally possible.
Extend pngvalid.c to validate more of the libpng transformations.
*/

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src/png/autogen.sh
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@@ -1,34 +0,0 @@
#! /bin/sh
# a quick hack script to generate necessary files from
# auto* tools.
#
# WARNING: if you run this you will change the versions
# of the tools which are used and, maybe, required!
# You can define your own replacements in your environment.
# $AUTOCONF, $AUTOMAKE, $AUTOHEADER, $AUTOPOINT, $ACLOCAL and $LIBTOOLIZE
touch Makefile.am configure.ac
{
LT=${LIBTOOLIZE-libtoolize}
echo "running $LT" >&2
$LT --force --copy --automake
} && {
AL=${ACLOCAL-aclocal}
echo "running $AL" >&2
$AL
} && {
AH=${AUTOHEADER-autoheader}
echo "running $AH [ignore the warnings]" >&2
$AH
} && {
AM=${AUTOMAKE-automake}
echo "running $AM" >&2
$AM --force-missing --foreign -a -c
} && {
AC=${AUTOCONF-autoconf}
echo "running $AC" >&2
$AC
} &&
echo "autogen complete" >&2 ||
echo "ERROR: autogen.sh failed, autogen is incomplete" >&2

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src/png/config.h.in
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@@ -1,86 +0,0 @@
/* config.h.in. Generated from configure.ac by autoheader. */
/* Define to 1 if you have the <dlfcn.h> header file. */
#undef HAVE_DLFCN_H
/* Define to 1 if you have the <inttypes.h> header file. */
#undef HAVE_INTTYPES_H
/* Define to 1 if you have the `m' library (-lm). */
#undef HAVE_LIBM
/* Define to 1 if you have the `z' library (-lz). */
#undef HAVE_LIBZ
/* Define to 1 if you have the <malloc.h> header file. */
#undef HAVE_MALLOC_H
/* Define to 1 if you have the <memory.h> header file. */
#undef HAVE_MEMORY_H
/* Define to 1 if you have the `memset' function. */
#undef HAVE_MEMSET
/* Define to 1 if you have the `pow' function. */
#undef HAVE_POW
/* Define to 1 if you have the <stdint.h> header file. */
#undef HAVE_STDINT_H
/* Define to 1 if you have the <stdlib.h> header file. */
#undef HAVE_STDLIB_H
/* Define to 1 if you have the <strings.h> header file. */
#undef HAVE_STRINGS_H
/* Define to 1 if you have the <string.h> header file. */
#undef HAVE_STRING_H
/* Define to 1 if you have the <sys/stat.h> header file. */
#undef HAVE_SYS_STAT_H
/* Define to 1 if you have the <sys/types.h> header file. */
#undef HAVE_SYS_TYPES_H
/* Define to 1 if you have the <unistd.h> header file. */
#undef HAVE_UNISTD_H
/* Define to the sub-directory in which libtool stores uninstalled libraries.
*/
#undef LT_OBJDIR
/* Name of package */
#undef PACKAGE
/* Define to the address where bug reports for this package should be sent. */
#undef PACKAGE_BUGREPORT
/* Define to the full name of this package. */
#undef PACKAGE_NAME
/* Define to the full name and version of this package. */
#undef PACKAGE_STRING
/* Define to the one symbol short name of this package. */
#undef PACKAGE_TARNAME
/* Define to the home page for this package. */
#undef PACKAGE_URL
/* Define to the version of this package. */
#undef PACKAGE_VERSION
/* Define to 1 if you have the ANSI C header files. */
#undef STDC_HEADERS
/* Define to 1 if your <sys/time.h> declares `struct tm'. */
#undef TM_IN_SYS_TIME
/* Version number of package */
#undef VERSION
/* Define to empty if `const' does not conform to ANSI C. */
#undef const
/* Define to `unsigned int' if <sys/types.h> does not define. */
#undef size_t

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src/png/config.sub vendored
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src/png/configure vendored
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140
src/png/configure.ac
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@@ -1,140 +0,0 @@
# configure.ac
dnl Process this file with autoconf to produce a configure script.
dnl
dnl Minor upgrades (compatible ABI): increment the package version
dnl (third field in two places below) and set the PNGLIB_RELEASE
dnl variable.
dnl
dnl Major upgrades (incompatible ABI): increment the package major
dnl version (second field, or first if desired), set the minor
dnl to 0, set PNGLIB_MAJOR below *and* follow the instructions in
dnl Makefile.am to upgrade the package name.
dnl This is here to prevent earlier autoconf from being used, it
dnl should not be necessary to regenerate configure if the time
dnl stamps are correct
AC_PREREQ(2.59)
dnl Version number stuff here:
PNGLIB_VERSION=1.4.4
PNGLIB_MAJOR=1
PNGLIB_MINOR=4
PNGLIB_RELEASE=4
AC_INIT([libpng], [1.4.4], [png-mng-implement@lists.sourceforge.net])
AM_INIT_AUTOMAKE
dnl stop configure from automagically running automake
AM_MAINTAINER_MODE
dnl End of version number stuff
AC_CONFIG_SRCDIR([pngget.c])
AM_CONFIG_HEADER(config.h)
# Checks for programs.
AC_PROG_CC
AC_PROG_LD
AC_PROG_CPP
AC_CHECK_TOOL(SED, sed, :)
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
LT_INIT([win32-dll])
# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([malloc.h stdlib.h string.h strings.h])
# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_SIZE_T
AC_STRUCT_TM
# Checks for library functions.
AC_FUNC_STRTOD
AC_CHECK_FUNCS([memset], , AC_ERROR([memset not found in libc]))
AC_CHECK_FUNCS([pow], , AC_CHECK_LIB(m, pow, , AC_ERROR([cannot find pow])) )
AC_CHECK_LIB(z, zlibVersion, , AC_ERROR([zlib not installed]))
case $host_os in
aix*)
LIBPNG_DEFINES="-DPNG_CONFIGURE_LIBPNG -D_ALL_SOURCE";;
*)
LIBPNG_DEFINES=-DPNG_CONFIGURE_LIBPNG;;
esac
LIBPNG_DEFINES=$LIBPNG_DEFINES
AC_SUBST(LIBPNG_DEFINES)
AC_MSG_CHECKING([if libraries can be versioned])
# Special case for PE/COFF platforms: ld reports
# support for version-script, but doesn't actually
# DO anything with it.
case $host in
*cygwin* | *mingw32* )
have_ld_version_script=no
AC_MSG_RESULT(no)
;;
* )
GLD=`$LD --help < /dev/null 2>/dev/null | grep version-script`
if test "$GLD"; then
have_ld_version_script=yes
AC_MSG_RESULT(yes)
else
have_ld_version_script=no
AC_MSG_RESULT(no)
AC_MSG_WARN(*** You have not enabled versioned symbols.)
fi
;;
esac
AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$have_ld_version_script" = "yes")
if test "$have_ld_version_script" = "yes"; then
AC_MSG_CHECKING([for symbol prefix])
SYMBOL_PREFIX=`echo "PREFIX=__USER_LABEL_PREFIX__" \
| ${CPP-${CC-gcc} -E} - 2>&1 \
| ${EGREP-grep} "^PREFIX=" \
| ${SED-sed} "s:^PREFIX=::"`
AC_SUBST(SYMBOL_PREFIX)
AC_MSG_RESULT($SYMBOL_PREFIX)
fi
# Substitutions for .in files
AC_SUBST(PNGLIB_VERSION)
AC_SUBST(PNGLIB_MAJOR)
AC_SUBST(PNGLIB_MINOR)
AC_SUBST(PNGLIB_RELEASE)
# Additional arguments (and substitutions)
# Allow the pkg-config directory to be set
AC_ARG_WITH(pkgconfigdir,
AC_HELP_STRING([--with-pkgconfigdir],
[Use the specified pkgconfig dir (default is libdir/pkgconfig)]),
[pkgconfigdir=${withval}],
[pkgconfigdir='${libdir}/pkgconfig'])
AC_SUBST([pkgconfigdir])
AC_MSG_NOTICE([pkgconfig directory is ${pkgconfigdir}])
# Make the *-config binary config scripts optional
AC_ARG_WITH(binconfigs,
AC_HELP_STRING([--with-binconfigs],
[Generate shell libpng-config scripts as well as pkg-config data]
[@<:@default=yes@:>@]),
[if test "${withval}" = no; then
binconfigs=
AC_MSG_NOTICE([libpng-config scripts will not be built])
else
binconfigs='${binconfigs}'
fi],
[binconfigs='${binconfigs}'])
AC_SUBST([binconfigs])
# Config files, substituting as above
AC_CONFIG_FILES([Makefile libpng.pc:libpng.pc.in])
AC_CONFIG_FILES([libpng-config:libpng-config.in],
[chmod +x libpng-config])
AC_OUTPUT

630
src/png/depcomp
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@@ -1,630 +0,0 @@
#! /bin/sh
# depcomp - compile a program generating dependencies as side-effects
scriptversion=2009-04-28.21; # UTC
# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007, 2009 Free
# Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.
# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
case $1 in
'')
echo "$0: No command. Try \`$0 --help' for more information." 1>&2
exit 1;
;;
-h | --h*)
cat <<\EOF
Usage: depcomp [--help] [--version] PROGRAM [ARGS]
Run PROGRAMS ARGS to compile a file, generating dependencies
as side-effects.
Environment variables:
depmode Dependency tracking mode.
source Source file read by `PROGRAMS ARGS'.
object Object file output by `PROGRAMS ARGS'.
DEPDIR directory where to store dependencies.
depfile Dependency file to output.
tmpdepfile Temporary file to use when outputing dependencies.
libtool Whether libtool is used (yes/no).
Report bugs to <bug-automake@gnu.org>.
EOF
exit $?
;;
-v | --v*)
echo "depcomp $scriptversion"
exit $?
;;
esac
if test -z "$depmode" || test -z "$source" || test -z "$object"; then
echo "depcomp: Variables source, object and depmode must be set" 1>&2
exit 1
fi
# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
depfile=${depfile-`echo "$object" |
sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
rm -f "$tmpdepfile"
# Some modes work just like other modes, but use different flags. We
# parameterize here, but still list the modes in the big case below,
# to make depend.m4 easier to write. Note that we *cannot* use a case
# here, because this file can only contain one case statement.
if test "$depmode" = hp; then
# HP compiler uses -M and no extra arg.
gccflag=-M
depmode=gcc
fi
if test "$depmode" = dashXmstdout; then
# This is just like dashmstdout with a different argument.
dashmflag=-xM
depmode=dashmstdout
fi
cygpath_u="cygpath -u -f -"
if test "$depmode" = msvcmsys; then
# This is just like msvisualcpp but w/o cygpath translation.
# Just convert the backslash-escaped backslashes to single forward
# slashes to satisfy depend.m4
cygpath_u="sed s,\\\\\\\\,/,g"
depmode=msvisualcpp
fi
case "$depmode" in
gcc3)
## gcc 3 implements dependency tracking that does exactly what
## we want. Yay! Note: for some reason libtool 1.4 doesn't like
## it if -MD -MP comes after the -MF stuff. Hmm.
## Unfortunately, FreeBSD c89 acceptance of flags depends upon
## the command line argument order; so add the flags where they
## appear in depend2.am. Note that the slowdown incurred here
## affects only configure: in makefiles, %FASTDEP% shortcuts this.
for arg
do
case $arg in
-c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
*) set fnord "$@" "$arg" ;;
esac
shift # fnord
shift # $arg
done
"$@"
stat=$?
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile"
exit $stat
fi
mv "$tmpdepfile" "$depfile"
;;
gcc)
## There are various ways to get dependency output from gcc. Here's
## why we pick this rather obscure method:
## - Don't want to use -MD because we'd like the dependencies to end
## up in a subdir. Having to rename by hand is ugly.
## (We might end up doing this anyway to support other compilers.)
## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
## -MM, not -M (despite what the docs say).
## - Using -M directly means running the compiler twice (even worse
## than renaming).
if test -z "$gccflag"; then
gccflag=-MD,
fi
"$@" -Wp,"$gccflag$tmpdepfile"
stat=$?
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile"
exit $stat
fi
rm -f "$depfile"
echo "$object : \\" > "$depfile"
alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
## The second -e expression handles DOS-style file names with drive letters.
sed -e 's/^[^:]*: / /' \
-e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
## This next piece of magic avoids the `deleted header file' problem.
## The problem is that when a header file which appears in a .P file
## is deleted, the dependency causes make to die (because there is
## typically no way to rebuild the header). We avoid this by adding
## dummy dependencies for each header file. Too bad gcc doesn't do
## this for us directly.
tr ' ' '
' < "$tmpdepfile" |
## Some versions of gcc put a space before the `:'. On the theory
## that the space means something, we add a space to the output as
## well.
## Some versions of the HPUX 10.20 sed can't process this invocation
## correctly. Breaking it into two sed invocations is a workaround.
sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
hp)
# This case exists only to let depend.m4 do its work. It works by
# looking at the text of this script. This case will never be run,
# since it is checked for above.
exit 1
;;
sgi)
if test "$libtool" = yes; then
"$@" "-Wp,-MDupdate,$tmpdepfile"
else
"$@" -MDupdate "$tmpdepfile"
fi
stat=$?
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile"
exit $stat
fi
rm -f "$depfile"
if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files
echo "$object : \\" > "$depfile"
# Clip off the initial element (the dependent). Don't try to be
# clever and replace this with sed code, as IRIX sed won't handle
# lines with more than a fixed number of characters (4096 in
# IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines;
# the IRIX cc adds comments like `#:fec' to the end of the
# dependency line.
tr ' ' '
' < "$tmpdepfile" \
| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
tr '
' ' ' >> "$depfile"
echo >> "$depfile"
# The second pass generates a dummy entry for each header file.
tr ' ' '
' < "$tmpdepfile" \
| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
>> "$depfile"
else
# The sourcefile does not contain any dependencies, so just
# store a dummy comment line, to avoid errors with the Makefile
# "include basename.Plo" scheme.
echo "#dummy" > "$depfile"
fi
rm -f "$tmpdepfile"
;;
aix)
# The C for AIX Compiler uses -M and outputs the dependencies
# in a .u file. In older versions, this file always lives in the
# current directory. Also, the AIX compiler puts `$object:' at the
# start of each line; $object doesn't have directory information.
# Version 6 uses the directory in both cases.
dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
test "x$dir" = "x$object" && dir=
base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
if test "$libtool" = yes; then
tmpdepfile1=$dir$base.u
tmpdepfile2=$base.u
tmpdepfile3=$dir.libs/$base.u
"$@" -Wc,-M
else
tmpdepfile1=$dir$base.u
tmpdepfile2=$dir$base.u
tmpdepfile3=$dir$base.u
"$@" -M
fi
stat=$?
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
exit $stat
fi
for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
do
test -f "$tmpdepfile" && break
done
if test -f "$tmpdepfile"; then
# Each line is of the form `foo.o: dependent.h'.
# Do two passes, one to just change these to
# `$object: dependent.h' and one to simply `dependent.h:'.
sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
# That's a tab and a space in the [].
sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
else
# The sourcefile does not contain any dependencies, so just
# store a dummy comment line, to avoid errors with the Makefile
# "include basename.Plo" scheme.
echo "#dummy" > "$depfile"
fi
rm -f "$tmpdepfile"
;;
icc)
# Intel's C compiler understands `-MD -MF file'. However on
# icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
# ICC 7.0 will fill foo.d with something like
# foo.o: sub/foo.c
# foo.o: sub/foo.h
# which is wrong. We want:
# sub/foo.o: sub/foo.c
# sub/foo.o: sub/foo.h
# sub/foo.c:
# sub/foo.h:
# ICC 7.1 will output
# foo.o: sub/foo.c sub/foo.h
# and will wrap long lines using \ :
# foo.o: sub/foo.c ... \
# sub/foo.h ... \
# ...
"$@" -MD -MF "$tmpdepfile"
stat=$?
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile"
exit $stat
fi
rm -f "$depfile"
# Each line is of the form `foo.o: dependent.h',
# or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
# Do two passes, one to just change these to
# `$object: dependent.h' and one to simply `dependent.h:'.
sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
# Some versions of the HPUX 10.20 sed can't process this invocation
# correctly. Breaking it into two sed invocations is a workaround.
sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" |
sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
hp2)
# The "hp" stanza above does not work with aCC (C++) and HP's ia64
# compilers, which have integrated preprocessors. The correct option
# to use with these is +Maked; it writes dependencies to a file named
# 'foo.d', which lands next to the object file, wherever that
# happens to be.
# Much of this is similar to the tru64 case; see comments there.
dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
test "x$dir" = "x$object" && dir=
base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
if test "$libtool" = yes; then
tmpdepfile1=$dir$base.d
tmpdepfile2=$dir.libs/$base.d
"$@" -Wc,+Maked
else
tmpdepfile1=$dir$base.d
tmpdepfile2=$dir$base.d
"$@" +Maked
fi
stat=$?
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile1" "$tmpdepfile2"
exit $stat
fi
for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
do
test -f "$tmpdepfile" && break
done
if test -f "$tmpdepfile"; then
sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile"
# Add `dependent.h:' lines.
sed -ne '2,${
s/^ *//
s/ \\*$//
s/$/:/
p
}' "$tmpdepfile" >> "$depfile"
else
echo "#dummy" > "$depfile"
fi
rm -f "$tmpdepfile" "$tmpdepfile2"
;;
tru64)
# The Tru64 compiler uses -MD to generate dependencies as a side
# effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
# At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
# dependencies in `foo.d' instead, so we check for that too.
# Subdirectories are respected.
dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
test "x$dir" = "x$object" && dir=
base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
if test "$libtool" = yes; then
# With Tru64 cc, shared objects can also be used to make a
# static library. This mechanism is used in libtool 1.4 series to
# handle both shared and static libraries in a single compilation.
# With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d.
#
# With libtool 1.5 this exception was removed, and libtool now
# generates 2 separate objects for the 2 libraries. These two
# compilations output dependencies in $dir.libs/$base.o.d and
# in $dir$base.o.d. We have to check for both files, because
# one of the two compilations can be disabled. We should prefer
# $dir$base.o.d over $dir.libs/$base.o.d because the latter is
# automatically cleaned when .libs/ is deleted, while ignoring
# the former would cause a distcleancheck panic.
tmpdepfile1=$dir.libs/$base.lo.d # libtool 1.4
tmpdepfile2=$dir$base.o.d # libtool 1.5
tmpdepfile3=$dir.libs/$base.o.d # libtool 1.5
tmpdepfile4=$dir.libs/$base.d # Compaq CCC V6.2-504
"$@" -Wc,-MD
else
tmpdepfile1=$dir$base.o.d
tmpdepfile2=$dir$base.d
tmpdepfile3=$dir$base.d
tmpdepfile4=$dir$base.d
"$@" -MD
fi
stat=$?
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
exit $stat
fi
for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
do
test -f "$tmpdepfile" && break
done
if test -f "$tmpdepfile"; then
sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
# That's a tab and a space in the [].
sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
else
echo "#dummy" > "$depfile"
fi
rm -f "$tmpdepfile"
;;
#nosideeffect)
# This comment above is used by automake to tell side-effect
# dependency tracking mechanisms from slower ones.
dashmstdout)
# Important note: in order to support this mode, a compiler *must*
# always write the preprocessed file to stdout, regardless of -o.
"$@" || exit $?
# Remove the call to Libtool.
if test "$libtool" = yes; then
while test "X$1" != 'X--mode=compile'; do
shift
done
shift
fi
# Remove `-o $object'.
IFS=" "
for arg
do
case $arg in
-o)
shift
;;
$object)
shift
;;
*)
set fnord "$@" "$arg"
shift # fnord
shift # $arg
;;
esac
done
test -z "$dashmflag" && dashmflag=-M
# Require at least two characters before searching for `:'
# in the target name. This is to cope with DOS-style filenames:
# a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
"$@" $dashmflag |
sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile"
rm -f "$depfile"
cat < "$tmpdepfile" > "$depfile"
tr ' ' '
' < "$tmpdepfile" | \
## Some versions of the HPUX 10.20 sed can't process this invocation
## correctly. Breaking it into two sed invocations is a workaround.
sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
dashXmstdout)
# This case only exists to satisfy depend.m4. It is never actually
# run, as this mode is specially recognized in the preamble.
exit 1
;;
makedepend)
"$@" || exit $?
# Remove any Libtool call
if test "$libtool" = yes; then
while test "X$1" != 'X--mode=compile'; do
shift
done
shift
fi
# X makedepend
shift
cleared=no eat=no
for arg
do
case $cleared in
no)
set ""; shift
cleared=yes ;;
esac
if test $eat = yes; then
eat=no
continue
fi
case "$arg" in
-D*|-I*)
set fnord "$@" "$arg"; shift ;;
# Strip any option that makedepend may not understand. Remove
# the object too, otherwise makedepend will parse it as a source file.
-arch)
eat=yes ;;
-*|$object)
;;
*)
set fnord "$@" "$arg"; shift ;;
esac
done
obj_suffix=`echo "$object" | sed 's/^.*\././'`
touch "$tmpdepfile"
${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
rm -f "$depfile"
cat < "$tmpdepfile" > "$depfile"
sed '1,2d' "$tmpdepfile" | tr ' ' '
' | \
## Some versions of the HPUX 10.20 sed can't process this invocation
## correctly. Breaking it into two sed invocations is a workaround.
sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile" "$tmpdepfile".bak
;;
cpp)
# Important note: in order to support this mode, a compiler *must*
# always write the preprocessed file to stdout.
"$@" || exit $?
# Remove the call to Libtool.
if test "$libtool" = yes; then
while test "X$1" != 'X--mode=compile'; do
shift
done
shift
fi
# Remove `-o $object'.
IFS=" "
for arg
do
case $arg in
-o)
shift
;;
$object)
shift
;;
*)
set fnord "$@" "$arg"
shift # fnord
shift # $arg
;;
esac
done
"$@" -E |
sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
-e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
sed '$ s: \\$::' > "$tmpdepfile"
rm -f "$depfile"
echo "$object : \\" > "$depfile"
cat < "$tmpdepfile" >> "$depfile"
sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
msvisualcpp)
# Important note: in order to support this mode, a compiler *must*
# always write the preprocessed file to stdout.
"$@" || exit $?
# Remove the call to Libtool.
if test "$libtool" = yes; then
while test "X$1" != 'X--mode=compile'; do
shift
done
shift
fi
IFS=" "
for arg
do
case "$arg" in
-o)
shift
;;
$object)
shift
;;
"-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
set fnord "$@"
shift
shift
;;
*)
set fnord "$@" "$arg"
shift
shift
;;
esac
done
"$@" -E 2>/dev/null |
sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
rm -f "$depfile"
echo "$object : \\" > "$depfile"
sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile"
echo " " >> "$depfile"
sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
rm -f "$tmpdepfile"
;;
msvcmsys)
# This case exists only to let depend.m4 do its work. It works by
# looking at the text of this script. This case will never be run,
# since it is checked for above.
exit 1
;;
none)
exec "$@"
;;
*)
echo "Unknown depmode $depmode" 1>&2
exit 1
;;
esac
exit 0
# Local Variables:
# mode: shell-script
# sh-indentation: 2
# eval: (add-hook 'write-file-hooks 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-time-zone: "UTC"
# time-stamp-end: "; # UTC"
# End:

47
src/png/example.c
View File

@@ -2,15 +2,15 @@
#if 0 /* in case someone actually tries to compile this */
/* example.c - an example of using libpng
* Last changed in libpng 1.4.2 [May 6, 2010]
* Last changed in libpng 1.5.6 [November 3, 2011]
* This file has been placed in the public domain by the authors.
* Maintained 1998-2010 Glenn Randers-Pehrson
* Maintained 1998-2011 Glenn Randers-Pehrson
* Maintained 1996, 1997 Andreas Dilger)
* Written 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
*/
/* This is an example of how to use libpng to read and write PNG files.
* The file libpng.txt is much more verbose then this. If you have not
* The file libpng-manual.txt is much more verbose then this. If you have not
* read it, do so first. This was designed to be a starting point of an
* implementation. This is not officially part of libpng, is hereby placed
* in the public domain, and therefore does not require a copyright notice.
@@ -22,6 +22,10 @@
* see also the programs in the contrib directory.
*/
#define _POSIX_SOURCE 1 /* libpng and zlib are POSIX-compliant. You may
* change this if your application uses non-POSIX
* extensions. */
#include "png.h"
/* The png_jmpbuf() macro, used in error handling, became available in
@@ -31,7 +35,7 @@
*/
#ifndef png_jmpbuf
# define png_jmpbuf(png_ptr) ((png_ptr)->jmpbuf)
# define png_jmpbuf(png_ptr) ((png_ptr)->png_jmpbuf)
#endif
/* Check to see if a file is a PNG file using png_sig_cmp(). png_sig_cmp()
@@ -183,8 +187,15 @@ void read_png(FILE *fp, unsigned int sig_read) /* File is already open */
* are mutually exclusive.
*/
/* Tell libpng to strip 16 bit/color files down to 8 bits/color */
/* Tell libpng to strip 16 bit/color files down to 8 bits/color.
* Use accurate scaling if it's available, otherwise just chop off the
* low byte.
*/
#ifdef PNG_READ_SCALE_16_TO_8_SUPPORTED
png_set_scale_16(png_ptr);
#else
png_set_strip_16(png_ptr);
#endif
/* Strip alpha bytes from the input data without combining with the
* background (not recommended).
@@ -286,7 +297,6 @@ void read_png(FILE *fp, unsigned int sig_read) /* File is already open */
/* An array of colors to which the image should be quantized */
png_color std_color_cube[MAX_SCREEN_COLORS];
/* Prior to libpng-1.4.2, this was png_set_dither(). */
png_set_quantize(png_ptr, std_color_cube, MAX_SCREEN_COLORS,
MAX_SCREEN_COLORS, NULL, 0);
}
@@ -331,11 +341,16 @@ void read_png(FILE *fp, unsigned int sig_read) /* File is already open */
/* Add filler (or alpha) byte (before/after each RGB triplet) */
png_set_filler(png_ptr, 0xff, PNG_FILLER_AFTER);
#ifdef PNG_READ_INTERLACING_SUPPORTED
/* Turn on interlace handling. REQUIRED if you are not using
* png_read_image(). To see how to handle interlacing passes,
* see the png_read_row() method below:
*/
number_passes = png_set_interlace_handling(png_ptr);
#else
number_passes = 1;
#endif /* PNG_READ_INTERLACING_SUPPORTED */
/* Optional call to gamma correct and add the background to the palette
* and update info structure. REQUIRED if you are expecting libpng to
@@ -517,6 +532,7 @@ row_callback(png_structp png_ptr, png_bytep new_row,
*/
png_bytep old_row = ((png_bytep *)our_data)[row_num];
#ifdef PNG_READ_INTERLACING_SUPPORTED
/* If both rows are allocated then copy the new row
* data to the corresponding row data.
*/
@@ -545,6 +561,7 @@ row_callback(png_structp png_ptr, png_bytep new_row,
* to pass the current row as new_row, and the function will combine
* the old row and the new row.
*/
#endif /* PNG_READ_INTERLACING_SUPPORTED */
}
end_callback(png_structp png_ptr, png_infop info)
@@ -656,14 +673,18 @@ void write_png(char *file_name /* , ... other image information ... */)
/* Optional significant bit (sBIT) chunk */
png_color_8 sig_bit;
/* If we are dealing with a grayscale image then */
sig_bit.gray = true_bit_depth;
/* Otherwise, if we are dealing with a color image then */
sig_bit.red = true_red_bit_depth;
sig_bit.green = true_green_bit_depth;
sig_bit.blue = true_blue_bit_depth;
/* If the image has an alpha channel then */
sig_bit.alpha = true_alpha_bit_depth;
png_set_sBIT(png_ptr, info_ptr, &sig_bit);
@@ -676,20 +697,21 @@ void write_png(char *file_name /* , ... other image information ... */)
text_ptr[0].key = "Title";
text_ptr[0].text = "Mona Lisa";
text_ptr[0].compression = PNG_TEXT_COMPRESSION_NONE;
text_ptr[0].itxt_length = 0;
text_ptr[0].lang = NULL;
text_ptr[0].lang_key = NULL;
text_ptr[1].key = "Author";
text_ptr[1].text = "Leonardo DaVinci";
text_ptr[1].compression = PNG_TEXT_COMPRESSION_NONE;
text_ptr[1].itxt_length = 0;
text_ptr[1].lang = NULL;
text_ptr[1].lang_key = NULL;
text_ptr[2].key = "Description";
text_ptr[2].text = "<long text>";
text_ptr[2].compression = PNG_TEXT_COMPRESSION_zTXt;
#ifdef PNG_iTXt_SUPPORTED
text_ptr[0].lang = NULL;
text_ptr[0].lang_key = NULL;
text_ptr[1].lang = NULL;
text_ptr[1].lang_key = NULL;
text_ptr[2].itxt_length = 0;
text_ptr[2].lang = NULL;
text_ptr[2].lang_key = NULL;
#endif
png_set_text(png_ptr, info_ptr, text_ptr, 3);
/* Other optional chunks like cHRM, bKGD, tRNS, tIME, oFFs, pHYs */
@@ -754,6 +776,7 @@ void write_png(char *file_name /* , ... other image information ... */)
/* Turn on interlace handling if you are not using png_write_image() */
if (interlacing)
number_passes = png_set_interlace_handling(png_ptr);
else
number_passes = 1;

520
src/png/install-sh
View File

@@ -1,520 +0,0 @@
#!/bin/sh
# install - install a program, script, or datafile
scriptversion=2009-04-28.21; # UTC
# This originates from X11R5 (mit/util/scripts/install.sh), which was
# later released in X11R6 (xc/config/util/install.sh) with the
# following copyright and license.
#
# Copyright (C) 1994 X Consortium
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
# Except as contained in this notice, the name of the X Consortium shall not
# be used in advertising or otherwise to promote the sale, use or other deal-
# ings in this Software without prior written authorization from the X Consor-
# tium.
#
#
# FSF changes to this file are in the public domain.
#
# Calling this script install-sh is preferred over install.sh, to prevent
# `make' implicit rules from creating a file called install from it
# when there is no Makefile.
#
# This script is compatible with the BSD install script, but was written
# from scratch.
nl='
'
IFS=" "" $nl"
# set DOITPROG to echo to test this script
# Don't use :- since 4.3BSD and earlier shells don't like it.
doit=${DOITPROG-}
if test -z "$doit"; then
doit_exec=exec
else
doit_exec=$doit
fi
# Put in absolute file names if you don't have them in your path;
# or use environment vars.
chgrpprog=${CHGRPPROG-chgrp}
chmodprog=${CHMODPROG-chmod}
chownprog=${CHOWNPROG-chown}
cmpprog=${CMPPROG-cmp}
cpprog=${CPPROG-cp}
mkdirprog=${MKDIRPROG-mkdir}
mvprog=${MVPROG-mv}
rmprog=${RMPROG-rm}
stripprog=${STRIPPROG-strip}
posix_glob='?'
initialize_posix_glob='
test "$posix_glob" != "?" || {
if (set -f) 2>/dev/null; then
posix_glob=
else
posix_glob=:
fi
}
'
posix_mkdir=
# Desired mode of installed file.
mode=0755
chgrpcmd=
chmodcmd=$chmodprog
chowncmd=
mvcmd=$mvprog
rmcmd="$rmprog -f"
stripcmd=
src=
dst=
dir_arg=
dst_arg=
copy_on_change=false
no_target_directory=
usage="\
Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
or: $0 [OPTION]... SRCFILES... DIRECTORY
or: $0 [OPTION]... -t DIRECTORY SRCFILES...
or: $0 [OPTION]... -d DIRECTORIES...
In the 1st form, copy SRCFILE to DSTFILE.
In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
In the 4th, create DIRECTORIES.
Options:
--help display this help and exit.
--version display version info and exit.
-c (ignored)
-C install only if different (preserve the last data modification time)
-d create directories instead of installing files.
-g GROUP $chgrpprog installed files to GROUP.
-m MODE $chmodprog installed files to MODE.
-o USER $chownprog installed files to USER.
-s $stripprog installed files.
-t DIRECTORY install into DIRECTORY.
-T report an error if DSTFILE is a directory.
Environment variables override the default commands:
CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
RMPROG STRIPPROG
"
while test $# -ne 0; do
case $1 in
-c) ;;
-C) copy_on_change=true;;
-d) dir_arg=true;;
-g) chgrpcmd="$chgrpprog $2"
shift;;
--help) echo "$usage"; exit $?;;
-m) mode=$2
case $mode in
*' '* | *' '* | *'
'* | *'*'* | *'?'* | *'['*)
echo "$0: invalid mode: $mode" >&2
exit 1;;
esac
shift;;
-o) chowncmd="$chownprog $2"
shift;;
-s) stripcmd=$stripprog;;
-t) dst_arg=$2
shift;;
-T) no_target_directory=true;;
--version) echo "$0 $scriptversion"; exit $?;;
--) shift
break;;
-*) echo "$0: invalid option: $1" >&2
exit 1;;
*) break;;
esac
shift
done
if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
# When -d is used, all remaining arguments are directories to create.
# When -t is used, the destination is already specified.
# Otherwise, the last argument is the destination. Remove it from $@.
for arg
do
if test -n "$dst_arg"; then
# $@ is not empty: it contains at least $arg.
set fnord "$@" "$dst_arg"
shift # fnord
fi
shift # arg
dst_arg=$arg
done
fi
if test $# -eq 0; then
if test -z "$dir_arg"; then
echo "$0: no input file specified." >&2
exit 1
fi
# It's OK to call `install-sh -d' without argument.
# This can happen when creating conditional directories.
exit 0
fi
if test -z "$dir_arg"; then
trap '(exit $?); exit' 1 2 13 15
# Set umask so as not to create temps with too-generous modes.
# However, 'strip' requires both read and write access to temps.
case $mode in
# Optimize common cases.
*644) cp_umask=133;;
*755) cp_umask=22;;
*[0-7])
if test -z "$stripcmd"; then
u_plus_rw=
else
u_plus_rw='% 200'
fi
cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
*)
if test -z "$stripcmd"; then
u_plus_rw=
else
u_plus_rw=,u+rw
fi
cp_umask=$mode$u_plus_rw;;
esac
fi
for src
do
# Protect names starting with `-'.
case $src in
-*) src=./$src;;
esac
if test -n "$dir_arg"; then
dst=$src
dstdir=$dst
test -d "$dstdir"
dstdir_status=$?
else
# Waiting for this to be detected by the "$cpprog $src $dsttmp" command
# might cause directories to be created, which would be especially bad
# if $src (and thus $dsttmp) contains '*'.
if test ! -f "$src" && test ! -d "$src"; then
echo "$0: $src does not exist." >&2
exit 1
fi
if test -z "$dst_arg"; then
echo "$0: no destination specified." >&2
exit 1
fi
dst=$dst_arg
# Protect names starting with `-'.
case $dst in
-*) dst=./$dst;;
esac
# If destination is a directory, append the input filename; won't work
# if double slashes aren't ignored.
if test -d "$dst"; then
if test -n "$no_target_directory"; then
echo "$0: $dst_arg: Is a directory" >&2
exit 1
fi
dstdir=$dst
dst=$dstdir/`basename "$src"`
dstdir_status=0
else
# Prefer dirname, but fall back on a substitute if dirname fails.
dstdir=`
(dirname "$dst") 2>/dev/null ||
expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
X"$dst" : 'X\(//\)[^/]' \| \
X"$dst" : 'X\(//\)$' \| \
X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
echo X"$dst" |
sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
s//\1/
q
}
/^X\(\/\/\)[^/].*/{
s//\1/
q
}
/^X\(\/\/\)$/{
s//\1/
q
}
/^X\(\/\).*/{
s//\1/
q
}
s/.*/./; q'
`
test -d "$dstdir"
dstdir_status=$?
fi
fi
obsolete_mkdir_used=false
if test $dstdir_status != 0; then
case $posix_mkdir in
'')
# Create intermediate dirs using mode 755 as modified by the umask.
# This is like FreeBSD 'install' as of 1997-10-28.
umask=`umask`
case $stripcmd.$umask in
# Optimize common cases.
*[2367][2367]) mkdir_umask=$umask;;
.*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
*[0-7])
mkdir_umask=`expr $umask + 22 \
- $umask % 100 % 40 + $umask % 20 \
- $umask % 10 % 4 + $umask % 2
`;;
*) mkdir_umask=$umask,go-w;;
esac
# With -d, create the new directory with the user-specified mode.
# Otherwise, rely on $mkdir_umask.
if test -n "$dir_arg"; then
mkdir_mode=-m$mode
else
mkdir_mode=
fi
posix_mkdir=false
case $umask in
*[123567][0-7][0-7])
# POSIX mkdir -p sets u+wx bits regardless of umask, which
# is incompatible with FreeBSD 'install' when (umask & 300) != 0.
;;
*)
tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
if (umask $mkdir_umask &&
exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
then
if test -z "$dir_arg" || {
# Check for POSIX incompatibilities with -m.
# HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
# other-writeable bit of parent directory when it shouldn't.
# FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
ls_ld_tmpdir=`ls -ld "$tmpdir"`
case $ls_ld_tmpdir in
d????-?r-*) different_mode=700;;
d????-?--*) different_mode=755;;
*) false;;
esac &&
$mkdirprog -m$different_mode -p -- "$tmpdir" && {
ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
}
}
then posix_mkdir=:
fi
rmdir "$tmpdir/d" "$tmpdir"
else
# Remove any dirs left behind by ancient mkdir implementations.
rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
fi
trap '' 0;;
esac;;
esac
if
$posix_mkdir && (
umask $mkdir_umask &&
$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
)
then :
else
# The umask is ridiculous, or mkdir does not conform to POSIX,
# or it failed possibly due to a race condition. Create the
# directory the slow way, step by step, checking for races as we go.
case $dstdir in
/*) prefix='/';;
-*) prefix='./';;
*) prefix='';;
esac
eval "$initialize_posix_glob"
oIFS=$IFS
IFS=/
$posix_glob set -f
set fnord $dstdir
shift
$posix_glob set +f
IFS=$oIFS
prefixes=
for d
do
test -z "$d" && continue
prefix=$prefix$d
if test -d "$prefix"; then
prefixes=
else
if $posix_mkdir; then
(umask=$mkdir_umask &&
$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
# Don't fail if two instances are running concurrently.
test -d "$prefix" || exit 1
else
case $prefix in
*\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
*) qprefix=$prefix;;
esac
prefixes="$prefixes '$qprefix'"
fi
fi
prefix=$prefix/
done
if test -n "$prefixes"; then
# Don't fail if two instances are running concurrently.
(umask $mkdir_umask &&
eval "\$doit_exec \$mkdirprog $prefixes") ||
test -d "$dstdir" || exit 1
obsolete_mkdir_used=true
fi
fi
fi
if test -n "$dir_arg"; then
{ test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
{ test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
{ test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
else
# Make a couple of temp file names in the proper directory.
dsttmp=$dstdir/_inst.$$_
rmtmp=$dstdir/_rm.$$_
# Trap to clean up those temp files at exit.
trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
# Copy the file name to the temp name.
(umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
# and set any options; do chmod last to preserve setuid bits.
#
# If any of these fail, we abort the whole thing. If we want to
# ignore errors from any of these, just make sure not to ignore
# errors from the above "$doit $cpprog $src $dsttmp" command.
#
{ test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
{ test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
{ test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
{ test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
# If -C, don't bother to copy if it wouldn't change the file.
if $copy_on_change &&
old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` &&
new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` &&
eval "$initialize_posix_glob" &&
$posix_glob set -f &&
set X $old && old=:$2:$4:$5:$6 &&
set X $new && new=:$2:$4:$5:$6 &&
$posix_glob set +f &&
test "$old" = "$new" &&
$cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
then
rm -f "$dsttmp"
else
# Rename the file to the real destination.
$doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
# The rename failed, perhaps because mv can't rename something else
# to itself, or perhaps because mv is so ancient that it does not
# support -f.
{
# Now remove or move aside any old file at destination location.
# We try this two ways since rm can't unlink itself on some
# systems and the destination file might be busy for other
# reasons. In this case, the final cleanup might fail but the new
# file should still install successfully.
{
test ! -f "$dst" ||
$doit $rmcmd -f "$dst" 2>/dev/null ||
{ $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
{ $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
} ||
{ echo "$0: cannot unlink or rename $dst" >&2
(exit 1); exit 1
}
} &&
# Now rename the file to the real destination.
$doit $mvcmd "$dsttmp" "$dst"
}
fi || exit 1
trap '' 0
fi
done
# Local variables:
# eval: (add-hook 'write-file-hooks 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-time-zone: "UTC"
# time-stamp-end: "; # UTC"
# End:

6
src/png/libpng-config.in
View File

@@ -104,8 +104,8 @@ while test $# -gt 0; do
;;
--ldopts)
echo ${ldopts}
;;
echo ${ldopts}
;;
--ldflags)
echo ${ldopts} ${L_opts} ${R_opts} ${libs}
@@ -113,7 +113,7 @@ while test $# -gt 0; do
--static)
R_opts=""
libs=${all_libs}
libs=${all_libs}
;;
*)

2037
src/png/libpng-1.4.4.txt → src/png/libpng-manual.txt
View File

File diff suppressed because it is too large Load Diff

2437
src/png/libpng.3
View File

File diff suppressed because it is too large Load Diff

796
src/png/libpngpf.3
View File

@@ -1,806 +1,26 @@
.TH LIBPNGPF 3 "September 23, 2010"
.TH LIBPNGPF 3 "November 3, 2011"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.4.4
libpng \- Portable Network Graphics (PNG) Reference Library 1.5.6
(private functions)
.SH SYNOPSIS
\fB#include <png.h>\fP
\fB#include \fI"pngpriv.h"
\fI\fB
\fBvoid png_64bit_product (long \fP\fIv1\fP\fB, long \fP\fIv2\fP\fB, unsigned long \fI*hi_product,
\fBAs of libpng version \fP\fI1.5.1\fP\fB, this section is no longer \fP\fImaintained\fP\fB, now \fIthat
\fBunsigned long \fI*lo_product\fP\fB);\fP
\fBthe private function prototypes are hidden in pngpriv.h and not \fIaccessible
\fI\fB
\fBto applications. Look in pngpriv.h for the prototypes and a short \fIdescription
\fBvoid png_build_gamma_table (png_structp \fP\fIpng_ptr\fP\fB, png_byte \fIbit_depth\fP\fB);\fP
\fI\fB
\fI\fB
\fBvoid png_build_grayscale_palette (int \fP\fIbit_depth\fP\fB, png_colorp \fIpalette\fP\fB);\fP
\fI\fB
\fI\fB
\fBvoid png_calculate_crc (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIptr\fP\fB, png_size_t \fIlength\fP\fB);\fP
\fI\fB
\fI\fB
\fBint png_check_cHRM_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_fixed_point \fP\fIint_white_x\fP\fB, png_fixed_point \fP\fIint_white_y\fP\fB, png_fixed_point \fP\fIint_red_x\fP\fB, png_fixed_point \fP\fIint_red_y\fP\fB, png_fixed_point \fP\fIint_green_x\fP\fB, png_fixed_point \fP\fIint_green_y\fP\fB, png_fixed_point \fP\fIint_blue_x\fP\fB, png_fixed_point \fIint_blue_y\fP\fB);\fP
\fI\fB
\fI\fB
\fBvoid png_check_chunk_name (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIchunk_name\fP\fB);\fP
\fI\fB
\fI\fB
\fBpng_size_t png_check_keyword (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIkey\fP\fB, png_charpp \fInew_key\fP\fB);\fP
\fI\fB
\fI\fB
\fBvoid png_check_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIwidth\fP\fB, png_uint_32 \fP\fIheight\fP\fB, int \fP\fIbit_depth\fP\fB, int \fP\fIcolor_type\fP\fB, int \fP\fIinterlace_type\fP\fB, int \fP\fIcompression_type\fP\fB, int \fIfilter_type\fP\fB);\fP
\fI\fB
\fI\fB
\fBvoid png_combine_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIrow\fP\fB, int \fImask\fP\fB);\fP
\fI\fB
\fI\fB
\fBvoid png_correct_palette (png_structp \fP\fIpng_ptr\fP\fB, png_colorp \fP\fIpalette\fP\fB, int \fInum_palette\fP\fB);\fP
\fI\fB
\fI\fB
\fBint png_crc_error (png_structp \fIpng_ptr\fP\fB);\fP
\fI\fB
\fI\fB
\fBint png_crc_finish (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIskip\fP\fB);\fP
\fI\fB
\fI\fB
\fBvoid png_crc_read (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuf\fP\fB, png_size_t \fIlength\fP\fB);\fP
\fI\fB
\fI\fB
\fBpng_voidp png_create_struct (int \fItype\fP\fB);\fP
\fI\fB
\fI\fB
\fBpng_voidp png_create_struct_2 (int \fP\fItype\fP\fB, png_malloc_ptr \fP\fImalloc_fn\fP\fB, png_voidp \fImem_ptr\fP\fB);\fP
\fI\fB
\fI\fB
\fBint png_debug(int \fP\fIlevel\fP\fB, png_const_charp \fImessage\fP\fB);\fP
\fI\fB
\fBint png_debug1(int \fP\fIlevel\fP\fB, png_const_charp \fP\fImessage\fP\fB, \fIp1\fP\fB);\fP
\fI\fB
\fBint png_debug2(int \fP\fIlevel\fP\fB, png_const_charp \fP\fImessage\fP\fB, \fP\fIp1\fP\fB, \fIp2\fP\fB);\fP
\fI\fB
\fBvoid png_decompress_chunk (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIcomp_type\fP\fB, png_size_t \fP\fIchunklength\fP\fB, png_size_t \fP\fIprefix_length\fP\fB, png_size_t \fI*data_length\fP\fB);\fP
\fI\fB
\fI\fB
\fBvoid png_destroy_struct (png_voidp \fIstruct_ptr\fP\fB);\fP
\fI\fB
\fI\fB
\fBvoid png_destroy_struct_2 (png_voidp \fP\fIstruct_ptr\fP\fB, png_free_ptr \fP\fIfree_fn\fP\fB, png_voidp \fImem_ptr\fP\fB);\fP
\fI\fB
\fI\fB
\fBvoid png_do_background (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_16p \fP\fItrans_color\fP\fB, png_color_16p \fP\fIbackground\fP\fB, png_color_16p \fP\fIbackground_1\fP\fB, png_bytep \fP\fIgamma_table\fP\fB, png_bytep \fP\fIgamma_from_1\fP\fB, png_bytep \fP\fIgamma_to_1\fP\fB, png_uint_16pp \fP\fIgamma_16\fP\fB, png_uint_16pp \fP\fIgamma_16_from_1\fP\fB, png_uint_16pp \fP\fIgamma_16_to_1\fP\fB, int \fIgamma_shift\fP\fB);\fP
\fI\fB
\fI\fB
\fBvoid png_do_bgr (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
\fI\fB
\fI\fB
\fBvoid png_do_chop (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
\fI\fB
\fBvoid png_do_expand (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_16p \fItrans_value\fP\fB);\fP
\fI\fB
\fI\fB
\fBvoid png_do_expand_palette (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_colorp \fP\fIpalette\fP\fB, png_bytep \fP\fItrans\fP\fB, int \fInum_trans\fP\fB);\fP
\fI\fB
\fI\fB
\fBvoid png_do_gamma (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fP\fIgamma_table\fP\fB, png_uint_16pp \fP\fIgamma_16_table\fP\fB, int \fIgamma_shift\fP\fB);\fP
\fI\fB
\fI\fB
\fBvoid png_do_gray_to_rgb (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
\fI\fB
\fI\fB
\fBvoid png_do_invert (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
\fI\fB
\fI\fB
\fBvoid png_do_pack (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_uint_32 \fIbit_depth\fP\fB);\fP
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\fBvoid png_do_packswap (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
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\fBvoid png_do_quantize (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fP\fIpalette_lookup\fP\fB, png_bytep \fIquantize_lookup\fP\fB);\fP
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\fBvoid png_do_read_filler (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_uint_32 \fP\fIfiller\fP\fB, png_uint_32 \fIflags\fP\fB);\fP
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\fBvoid png_do_read_interlace (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, int \fP\fIpass\fP\fB, png_uint_32 \fItransformations\fP\fB);\fP
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\fBvoid png_do_read_invert_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
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\fBvoid png_do_read_swap_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
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\fBvoid png_do_read_transformations (png_structp \fIpng_ptr\fP\fB);\fP
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\fBint png_do_rgb_to_gray (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
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\fBvoid png_do_shift (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_8p \fIbit_depth\fP\fB);\fP
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\fBvoid png_do_strip_filler (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_uint_32 \fIflags\fP\fB);\fP
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\fBvoid png_do_swap (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
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\fBvoid png_do_unpack (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
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\fBvoid png_do_unshift (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_8p \fIsig_bits\fP\fB);\fP
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\fBvoid png_do_write_interlace (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, int \fIpass\fP\fB);\fP
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\fBvoid png_do_write_invert_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
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\fBvoid png_do_write_swap_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
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\fBvoid png_do_write_transformations (png_structp \fIpng_ptr\fP\fB);\fP
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\fBvoid *png_far_to_near (png_structp png_ptr,png_voidp \fP\fIptr\fP\fB, int \fIcheck\fP\fB);\fP
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\fBvoid png_flush (png_structp \fIpng_ptr\fP\fB);\fP
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\fBvoid png_handle_bKGD (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
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\fBvoid png_handle_cHRM (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
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\fBvoid png_handle_gAMA (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
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\fBvoid png_handle_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
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\fBvoid png_handle_IEND (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
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\fBvoid png_handle_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
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\fBvoid png_handle_iCCP (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
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\fBvoid png_handle_iTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
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\fBvoid png_handle_oFFs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
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\fBvoid png_handle_pCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
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\fBvoid png_handle_pHYs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
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\fBvoid png_handle_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
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\fBvoid png_handle_sBIT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
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\fBvoid png_handle_sCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
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\fBvoid png_handle_sPLT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
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\fBvoid png_handle_sRGB (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
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\fBvoid png_handle_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
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\fBvoid png_handle_tIME (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
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\fBvoid png_handle_tRNS (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
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\fBvoid png_handle_unknown (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
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\fBvoid png_handle_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
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\fBvoid png_info_destroy (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
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\fBvoid png_init_mmx_flags (png_structp \fIpng_ptr\fP\fB);\fP
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\fBvoid png_init_read_transformations (png_structp \fIpng_ptr\fP\fB);\fP
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\fBvoid png_process_IDAT_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIbuffer_length\fP\fB);\fP
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\fBvoid png_process_some_data (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
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\fBvoid png_push_check_crc (png_structp \fIpng_ptr\fP\fB);\fP
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\fBvoid png_push_crc_finish (png_structp \fIpng_ptr\fP\fB);\fP
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\fBvoid png_push_crc_skip (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
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\fBvoid png_push_fill_buffer (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIlength\fP\fB);\fP
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\fBvoid png_push_handle_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
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\fBvoid png_push_handle_unknown (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
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\fBvoid png_push_handle_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
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\fBvoid png_push_have_end (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
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\fBvoid png_push_have_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
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\fBvoid png_push_have_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIrow\fP\fB);\fP
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\fBvoid png_push_process_row (png_structp \fIpng_ptr\fP\fB);\fP
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\fBvoid png_push_read_chunk (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
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\fBvoid png_push_read_end (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
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\fBvoid png_push_read_IDAT (png_structp \fIpng_ptr\fP\fB);\fP
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\fBvoid png_push_read_sig (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
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\fBvoid png_push_read_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
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\fBvoid png_push_read_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
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\fBvoid png_push_restore_buffer (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIbuffer_length\fP\fB);\fP
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\fBvoid png_push_save_buffer (png_structp \fIpng_ptr\fP\fB);\fP
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\fBvoid png_read_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP
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\fBvoid png_read_destroy (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_infop \fIend_info_ptr\fP\fB);\fP
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\fBvoid png_read_filter_row (png_structp \fP\fIpng_ptr\fP\fB, png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fP\fIprev_row\fP\fB, int \fIfilter\fP\fB);\fP
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\fBvoid png_read_finish_row (png_structp \fIpng_ptr\fP\fB);\fP
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\fBvoid png_read_push_finish_row (png_structp \fIpng_ptr\fP\fB);\fP
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\fBvoid png_read_start_row (png_structp \fIpng_ptr\fP\fB);\fP
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\fBvoid png_read_transform_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
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\fBvoid png_reset_crc (png_structp \fIpng_ptr\fP\fB);\fP
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\fBint png_set_text_2 (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_textp \fP\fItext_ptr\fP\fB, int \fInum_text\fP\fB);\fP
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\fBvoid png_write_cHRM (png_structp \fP\fIpng_ptr\fP\fB, double \fP\fIwhite_x\fP\fB, double \fP\fIwhite_y\fP\fB, double \fP\fIred_x\fP\fB, double \fP\fIred_y\fP\fB, double \fP\fIgreen_x\fP\fB, double \fP\fIgreen_y\fP\fB, double \fP\fIblue_x\fP\fB, double \fIblue_y\fP\fB);\fP
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\fBvoid png_write_cHRM_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIwhite_x\fP\fB, png_uint_32 \fP\fIwhite_y\fP\fB, png_uint_32 \fP\fIred_x\fP\fB, png_uint_32 \fP\fIred_y\fP\fB, png_uint_32 \fP\fIgreen_x\fP\fB, png_uint_32 \fP\fIgreen_y\fP\fB, png_uint_32 \fP\fIblue_x\fP\fB, png_uint_32 \fIblue_y\fP\fB);\fP
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\fBvoid png_write_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP
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\fBvoid png_write_destroy (png_structp \fIpng_ptr\fP\fB);\fP
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\fBvoid png_write_filtered_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIfiltered_row\fP\fB);\fP
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\fBvoid png_write_find_filter (png_structp \fP\fIpng_ptr\fP\fB, png_row_infop \fIrow_info\fP\fB);\fP
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\fBvoid png_write_finish_row (png_structp \fIpng_ptr\fP\fB);\fP
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\fBvoid png_write_gAMA (png_structp \fP\fIpng_ptr\fP\fB, double \fIfile_gamma\fP\fB);\fP
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\fBvoid png_write_gAMA_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIint_file_gamma\fP\fB);\fP
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\fBvoid png_write_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_uint_16p \fP\fIhist\fP\fB, int \fInum_hist\fP\fB);\fP
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\fBvoid png_write_iCCP (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIname\fP\fB, int \fP\fIcompression_type\fP\fB, png_charp \fP\fIprofile\fP\fB, int \fIproflen\fP\fB);\fP
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\fBvoid png_write_IDAT (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP
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\fBvoid png_write_IEND (png_structp \fIpng_ptr\fP\fB);\fP
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\fBvoid png_write_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIwidth\fP\fB, png_uint_32 \fP\fIheight\fP\fB, int \fP\fIbit_depth\fP\fB, int \fP\fIcolor_type\fP\fB, int \fP\fIcompression_type\fP\fB, int \fP\fIfilter_type\fP\fB, int \fIinterlace_type\fP\fB);\fP
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\fBvoid png_write_iTXt (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIcompression\fP\fB, png_charp \fP\fIkey\fP\fB, png_charp \fP\fIlang\fP\fB, png_charp \fP\fItranslated_key\fP\fB, png_charp \fItext\fP\fB);\fP
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\fBvoid png_write_oFFs (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIx_offset\fP\fB, png_uint_32 \fP\fIy_offset\fP\fB, int \fIunit_type\fP\fB);\fP
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\fBvoid png_write_pCAL (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIpurpose\fP\fB, png_int_32 \fP\fIX0\fP\fB, png_int_32 \fP\fIX1\fP\fB, int \fP\fItype\fP\fB, int \fP\fInparams\fP\fB, png_charp \fP\fIunits\fP\fB, png_charpp \fIparams\fP\fB);\fP
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\fBvoid png_write_pHYs (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIx_pixels_per_unit\fP\fB, png_uint_32 \fP\fIy_pixels_per_unit\fP\fB, int \fIunit_type\fP\fB);\fP
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\fBvoid png_write_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_colorp \fP\fIpalette\fP\fB, png_uint_32 \fInum_pal\fP\fB);\fP
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\fBvoid png_write_sBIT (png_structp \fP\fIpng_ptr\fP\fB, png_color_8p \fP\fIsbit\fP\fB, int \fIcolor_type\fP\fB);\fP
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\fBvoid png_write_sCAL (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIunit\fP\fB, double \fP\fIwidth\fP\fB, double \fIheight\fP\fB);\fP
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\fBvoid png_write_sCAL_s (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIunit\fP\fB, png_charp \fP\fIwidth\fP\fB, png_charp \fIheight\fP\fB);\fP
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\fBvoid png_write_sRGB (png_structp \fP\fIpng_ptr\fP\fB, int \fIintent\fP\fB);\fP
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\fBvoid png_write_sPLT (png_structp \fP\fIpng_ptr\fP\fB, png_spalette_p \fIpalette\fP\fB);\fP
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\fBvoid png_write_start_row (png_structp \fIpng_ptr\fP\fB);\fP
\fI\fB
\fI\fB
\fBvoid png_write_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIkey\fP\fB, png_charp \fP\fItext\fP\fB, png_size_t \fItext_len\fP\fB);\fP
\fI\fB
\fI\fB
\fBvoid png_write_tIME (png_structp \fP\fIpng_ptr\fP\fB, png_timep \fImod_time\fP\fB);\fP
\fI\fB
\fI\fB
\fBvoid png_write_tRNS (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fItrans\fP\fB, png_color_16p \fP\fIvalues\fP\fB, int \fP\fInumber\fP\fB, int \fIcolor_type\fP\fB);\fP
\fI\fB
\fI\fB
\fBvoid png_write_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIkey\fP\fB, png_charp \fP\fItext\fP\fB, png_size_t \fP\fItext_len\fP\fB, int \fIcompression\fP\fB);\fP
\fI\fB
\fI\fB
\fBvoidpf png_zalloc (voidpf \fP\fIpng_ptr\fP\fB, uInt \fP\fIitems\fP\fB, uInt \fIsize\fP\fB);\fP
\fI\fB
\fI\fB
\fBvoid png_zfree (voidpf \fP\fIpng_ptr\fP\fB, voidpf \fIptr\fP\fB);\fP
\fI\fB
\fBof each \fIfunction.
\fI\fB
.SH DESCRIPTION
The functions listed above are used privately by libpng
The functions previously listed here are used privately by libpng
and are not recommended for use by applications. They are
not "exported" to applications using shared libraries. They
are listed alphabetically here as an aid to libpng maintainers.
See png.h for more information on these functions.
not "exported" to applications using shared libraries.
.SH SEE ALSO
.BR "png"(5), " libpng"(3), " zlib"(3), " deflate"(5), " " and " zlib"(5)

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src/png/ltmain.sh
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376
src/png/missing
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@@ -1,376 +0,0 @@
#! /bin/sh
# Common stub for a few missing GNU programs while installing.
scriptversion=2009-04-28.21; # UTC
# Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, 2006,
# 2008, 2009 Free Software Foundation, Inc.
# Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.
if test $# -eq 0; then
echo 1>&2 "Try \`$0 --help' for more information"
exit 1
fi
run=:
sed_output='s/.* --output[ =]\([^ ]*\).*/\1/p'
sed_minuso='s/.* -o \([^ ]*\).*/\1/p'
# In the cases where this matters, `missing' is being run in the
# srcdir already.
if test -f configure.ac; then
configure_ac=configure.ac
else
configure_ac=configure.in
fi
msg="missing on your system"
case $1 in
--run)
# Try to run requested program, and just exit if it succeeds.
run=
shift
"$@" && exit 0
# Exit code 63 means version mismatch. This often happens
# when the user try to use an ancient version of a tool on
# a file that requires a minimum version. In this case we
# we should proceed has if the program had been absent, or
# if --run hadn't been passed.
if test $? = 63; then
run=:
msg="probably too old"
fi
;;
-h|--h|--he|--hel|--help)
echo "\
$0 [OPTION]... PROGRAM [ARGUMENT]...
Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
error status if there is no known handling for PROGRAM.
Options:
-h, --help display this help and exit
-v, --version output version information and exit
--run try to run the given command, and emulate it if it fails
Supported PROGRAM values:
aclocal touch file \`aclocal.m4'
autoconf touch file \`configure'
autoheader touch file \`config.h.in'
autom4te touch the output file, or create a stub one
automake touch all \`Makefile.in' files
bison create \`y.tab.[ch]', if possible, from existing .[ch]
flex create \`lex.yy.c', if possible, from existing .c
help2man touch the output file
lex create \`lex.yy.c', if possible, from existing .c
makeinfo touch the output file
tar try tar, gnutar, gtar, then tar without non-portable flags
yacc create \`y.tab.[ch]', if possible, from existing .[ch]
Version suffixes to PROGRAM as well as the prefixes \`gnu-', \`gnu', and
\`g' are ignored when checking the name.
Send bug reports to <bug-automake@gnu.org>."
exit $?
;;
-v|--v|--ve|--ver|--vers|--versi|--versio|--version)
echo "missing $scriptversion (GNU Automake)"
exit $?
;;
-*)
echo 1>&2 "$0: Unknown \`$1' option"
echo 1>&2 "Try \`$0 --help' for more information"
exit 1
;;
esac
# normalize program name to check for.
program=`echo "$1" | sed '
s/^gnu-//; t
s/^gnu//; t
s/^g//; t'`
# Now exit if we have it, but it failed. Also exit now if we
# don't have it and --version was passed (most likely to detect
# the program). This is about non-GNU programs, so use $1 not
# $program.
case $1 in
lex*|yacc*)
# Not GNU programs, they don't have --version.
;;
tar*)
if test -n "$run"; then
echo 1>&2 "ERROR: \`tar' requires --run"
exit 1
elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
exit 1
fi
;;
*)
if test -z "$run" && ($1 --version) > /dev/null 2>&1; then
# We have it, but it failed.
exit 1
elif test "x$2" = "x--version" || test "x$2" = "x--help"; then
# Could not run --version or --help. This is probably someone
# running `$TOOL --version' or `$TOOL --help' to check whether
# $TOOL exists and not knowing $TOOL uses missing.
exit 1
fi
;;
esac
# If it does not exist, or fails to run (possibly an outdated version),
# try to emulate it.
case $program in
aclocal*)
echo 1>&2 "\
WARNING: \`$1' is $msg. You should only need it if
you modified \`acinclude.m4' or \`${configure_ac}'. You might want
to install the \`Automake' and \`Perl' packages. Grab them from
any GNU archive site."
touch aclocal.m4
;;
autoconf*)
echo 1>&2 "\
WARNING: \`$1' is $msg. You should only need it if
you modified \`${configure_ac}'. You might want to install the
\`Autoconf' and \`GNU m4' packages. Grab them from any GNU
archive site."
touch configure
;;
autoheader*)
echo 1>&2 "\
WARNING: \`$1' is $msg. You should only need it if
you modified \`acconfig.h' or \`${configure_ac}'. You might want
to install the \`Autoconf' and \`GNU m4' packages. Grab them
from any GNU archive site."
files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}`
test -z "$files" && files="config.h"
touch_files=
for f in $files; do
case $f in
*:*) touch_files="$touch_files "`echo "$f" |
sed -e 's/^[^:]*://' -e 's/:.*//'`;;
*) touch_files="$touch_files $f.in";;
esac
done
touch $touch_files
;;
automake*)
echo 1>&2 "\
WARNING: \`$1' is $msg. You should only need it if
you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'.
You might want to install the \`Automake' and \`Perl' packages.
Grab them from any GNU archive site."
find . -type f -name Makefile.am -print |
sed 's/\.am$/.in/' |
while read f; do touch "$f"; done
;;
autom4te*)
echo 1>&2 "\
WARNING: \`$1' is needed, but is $msg.
You might have modified some files without having the
proper tools for further handling them.
You can get \`$1' as part of \`Autoconf' from any GNU
archive site."
file=`echo "$*" | sed -n "$sed_output"`
test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
if test -f "$file"; then
touch $file
else
test -z "$file" || exec >$file
echo "#! /bin/sh"
echo "# Created by GNU Automake missing as a replacement of"
echo "# $ $@"
echo "exit 0"
chmod +x $file
exit 1
fi
;;
bison*|yacc*)
echo 1>&2 "\
WARNING: \`$1' $msg. You should only need it if
you modified a \`.y' file. You may need the \`Bison' package
in order for those modifications to take effect. You can get
\`Bison' from any GNU archive site."
rm -f y.tab.c y.tab.h
if test $# -ne 1; then
eval LASTARG="\${$#}"
case $LASTARG in
*.y)
SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
if test -f "$SRCFILE"; then
cp "$SRCFILE" y.tab.c
fi
SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
if test -f "$SRCFILE"; then
cp "$SRCFILE" y.tab.h
fi
;;
esac
fi
if test ! -f y.tab.h; then
echo >y.tab.h
fi
if test ! -f y.tab.c; then
echo 'main() { return 0; }' >y.tab.c
fi
;;
lex*|flex*)
echo 1>&2 "\
WARNING: \`$1' is $msg. You should only need it if
you modified a \`.l' file. You may need the \`Flex' package
in order for those modifications to take effect. You can get
\`Flex' from any GNU archive site."
rm -f lex.yy.c
if test $# -ne 1; then
eval LASTARG="\${$#}"
case $LASTARG in
*.l)
SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
if test -f "$SRCFILE"; then
cp "$SRCFILE" lex.yy.c
fi
;;
esac
fi
if test ! -f lex.yy.c; then
echo 'main() { return 0; }' >lex.yy.c
fi
;;
help2man*)
echo 1>&2 "\
WARNING: \`$1' is $msg. You should only need it if
you modified a dependency of a manual page. You may need the
\`Help2man' package in order for those modifications to take
effect. You can get \`Help2man' from any GNU archive site."
file=`echo "$*" | sed -n "$sed_output"`
test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
if test -f "$file"; then
touch $file
else
test -z "$file" || exec >$file
echo ".ab help2man is required to generate this page"
exit $?
fi
;;
makeinfo*)
echo 1>&2 "\
WARNING: \`$1' is $msg. You should only need it if
you modified a \`.texi' or \`.texinfo' file, or any other file
indirectly affecting the aspect of the manual. The spurious
call might also be the consequence of using a buggy \`make' (AIX,
DU, IRIX). You might want to install the \`Texinfo' package or
the \`GNU make' package. Grab either from any GNU archive site."
# The file to touch is that specified with -o ...
file=`echo "$*" | sed -n "$sed_output"`
test -z "$file" && file=`echo "$*" | sed -n "$sed_minuso"`
if test -z "$file"; then
# ... or it is the one specified with @setfilename ...
infile=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
file=`sed -n '
/^@setfilename/{
s/.* \([^ ]*\) *$/\1/
p
q
}' $infile`
# ... or it is derived from the source name (dir/f.texi becomes f.info)
test -z "$file" && file=`echo "$infile" | sed 's,.*/,,;s,.[^.]*$,,'`.info
fi
# If the file does not exist, the user really needs makeinfo;
# let's fail without touching anything.
test -f $file || exit 1
touch $file
;;
tar*)
shift
# We have already tried tar in the generic part.
# Look for gnutar/gtar before invocation to avoid ugly error
# messages.
if (gnutar --version > /dev/null 2>&1); then
gnutar "$@" && exit 0
fi
if (gtar --version > /dev/null 2>&1); then
gtar "$@" && exit 0
fi
firstarg="$1"
if shift; then
case $firstarg in
*o*)
firstarg=`echo "$firstarg" | sed s/o//`
tar "$firstarg" "$@" && exit 0
;;
esac
case $firstarg in
*h*)
firstarg=`echo "$firstarg" | sed s/h//`
tar "$firstarg" "$@" && exit 0
;;
esac
fi
echo 1>&2 "\
WARNING: I can't seem to be able to run \`tar' with the given arguments.
You may want to install GNU tar or Free paxutils, or check the
command line arguments."
exit 1
;;
*)
echo 1>&2 "\
WARNING: \`$1' is needed, and is $msg.
You might have modified some files without having the
proper tools for further handling them. Check the \`README' file,
it often tells you about the needed prerequisites for installing
this package. You may also peek at any GNU archive site, in case
some other package would contain this missing \`$1' program."
exit 1
;;
esac
exit 0
# Local variables:
# eval: (add-hook 'write-file-hooks 'time-stamp)
# time-stamp-start: "scriptversion="
# time-stamp-format: "%:y-%02m-%02d.%02H"
# time-stamp-time-zone: "UTC"
# time-stamp-end: "; # UTC"
# End:

2
src/png/png.5
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@@ -1,4 +1,4 @@
.TH PNG 5 "September 23, 2010"
.TH PNG 5 "November 3, 2011"
.SH NAME
png \- Portable Network Graphics (PNG) format
.SH DESCRIPTION

2319
src/png/png.c
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2620
src/png/png.h
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1712
src/png/pngconf.h
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157
src/png/pngdebug.h Normal file
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@@ -0,0 +1,157 @@
/* pngdebug.h - Debugging macros for libpng, also used in pngtest.c
*
* Copyright (c) 1998-2011 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
*
* Last changed in libpng 1.5.0 [January 6, 2011]
*
* This code is released under the libpng license.
* For conditions of distribution and use, see the disclaimer
* and license in png.h
*/
/* Define PNG_DEBUG at compile time for debugging information. Higher
* numbers for PNG_DEBUG mean more debugging information. This has
* only been added since version 0.95 so it is not implemented throughout
* libpng yet, but more support will be added as needed.
*
* png_debug[1-2]?(level, message ,arg{0-2})
* Expands to a statement (either a simple expression or a compound
* do..while(0) statement) that outputs a message with parameter
* substitution if PNG_DEBUG is defined to 2 or more. If PNG_DEBUG
* is undefined, 0 or 1 every png_debug expands to a simple expression
* (actually ((void)0)).
*
* level: level of detail of message, starting at 0. A level 'n'
* message is preceded by 'n' tab characters (not implemented
* on Microsoft compilers unless PNG_DEBUG_FILE is also
* defined, to allow debug DLL compilation with no standard IO).
* message: a printf(3) style text string. A trailing '\n' is added
* to the message.
* arg: 0 to 2 arguments for printf(3) style substitution in message.
*/
#ifndef PNGDEBUG_H
#define PNGDEBUG_H
/* These settings control the formatting of messages in png.c and pngerror.c */
/* Moved to pngdebug.h at 1.5.0 */
# ifndef PNG_LITERAL_SHARP
# define PNG_LITERAL_SHARP 0x23
# endif
# ifndef PNG_LITERAL_LEFT_SQUARE_BRACKET
# define PNG_LITERAL_LEFT_SQUARE_BRACKET 0x5b
# endif
# ifndef PNG_LITERAL_RIGHT_SQUARE_BRACKET
# define PNG_LITERAL_RIGHT_SQUARE_BRACKET 0x5d
# endif
# ifndef PNG_STRING_NEWLINE
# define PNG_STRING_NEWLINE "\n"
# endif
#ifdef PNG_DEBUG
# if (PNG_DEBUG > 0)
# if !defined(PNG_DEBUG_FILE) && defined(_MSC_VER)
# include <crtdbg.h>
# if (PNG_DEBUG > 1)
# ifndef _DEBUG
# define _DEBUG
# endif
# ifndef png_debug
# define png_debug(l,m) _RPT0(_CRT_WARN,m PNG_STRING_NEWLINE)
# endif
# ifndef png_debug1
# define png_debug1(l,m,p1) _RPT1(_CRT_WARN,m PNG_STRING_NEWLINE,p1)
# endif
# ifndef png_debug2
# define png_debug2(l,m,p1,p2) \
_RPT2(_CRT_WARN,m PNG_STRING_NEWLINE,p1,p2)
# endif
# endif
# else /* PNG_DEBUG_FILE || !_MSC_VER */
# ifndef PNG_STDIO_SUPPORTED
# include <stdio.h> /* not included yet */
# endif
# ifndef PNG_DEBUG_FILE
# define PNG_DEBUG_FILE stderr
# endif /* PNG_DEBUG_FILE */
# if (PNG_DEBUG > 1)
/* Note: ["%s"m PNG_STRING_NEWLINE] probably does not work on
* non-ISO compilers
*/
# ifdef __STDC__
# ifndef png_debug
# define png_debug(l,m) \
do { \
int num_tabs=l; \
fprintf(PNG_DEBUG_FILE,"%s"m PNG_STRING_NEWLINE,(num_tabs==1 ? "\t" : \
(num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":"")))); \
} while (0)
# endif
# ifndef png_debug1
# define png_debug1(l,m,p1) \
do { \
int num_tabs=l; \
fprintf(PNG_DEBUG_FILE,"%s"m PNG_STRING_NEWLINE,(num_tabs==1 ? "\t" : \
(num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))),p1); \
} while (0)
# endif
# ifndef png_debug2
# define png_debug2(l,m,p1,p2) \
do { \
int num_tabs=l; \
fprintf(PNG_DEBUG_FILE,"%s"m PNG_STRING_NEWLINE,(num_tabs==1 ? "\t" : \
(num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))),p1,p2); \
} while (0)
# endif
# else /* __STDC __ */
# ifndef png_debug
# define png_debug(l,m) \
do { \
int num_tabs=l; \
char format[256]; \
snprintf(format,256,"%s%s%s",(num_tabs==1 ? "\t" : \
(num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))), \
m,PNG_STRING_NEWLINE); \
fprintf(PNG_DEBUG_FILE,format); \
} while (0)
# endif
# ifndef png_debug1
# define png_debug1(l,m,p1) \
do { \
int num_tabs=l; \
char format[256]; \
snprintf(format,256,"%s%s%s",(num_tabs==1 ? "\t" : \
(num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))), \
m,PNG_STRING_NEWLINE); \
fprintf(PNG_DEBUG_FILE,format,p1); \
} while (0)
# endif
# ifndef png_debug2
# define png_debug2(l,m,p1,p2) \
do { \
int num_tabs=l; \
char format[256]; \
snprintf(format,256,"%s%s%s",(num_tabs==1 ? "\t" : \
(num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))), \
m,PNG_STRING_NEWLINE); \
fprintf(PNG_DEBUG_FILE,format,p1,p2); \
} while (0)
# endif
# endif /* __STDC __ */
# endif /* (PNG_DEBUG > 1) */
# endif /* _MSC_VER */
# endif /* (PNG_DEBUG > 0) */
#endif /* PNG_DEBUG */
#ifndef png_debug
# define png_debug(l, m) ((void)0)
#endif
#ifndef png_debug1
# define png_debug1(l, m, p1) ((void)0)
#endif
#ifndef png_debug2
# define png_debug2(l, m, p1, p2) ((void)0)
#endif
#endif /* PNGDEBUG_H */

550
src/png/pngerror.c
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@@ -1,8 +1,8 @@
/* pngerror.c - stub functions for i/o and memory allocation
*
* Last changed in libpng 1.4.0 [January 3, 2010]
* Copyright (c) 1998-2010 Glenn Randers-Pehrson
* Last changed in libpng 1.5.6 [November 3, 2011]
* Copyright (c) 1998-2011 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
*
@@ -16,18 +16,17 @@
* at each function.
*/
#define PNG_NO_PEDANTIC_WARNINGS
#include "png.h"
#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED)
#include "pngpriv.h"
static void /* PRIVATE */
png_default_error PNGARG((png_structp png_ptr,
png_const_charp error_message)) PNG_NORETURN;
#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED)
static PNG_FUNCTION(void, png_default_error,PNGARG((png_structp png_ptr,
png_const_charp error_message)),PNG_NORETURN);
#ifdef PNG_WARNINGS_SUPPORTED
static void /* PRIVATE */
png_default_warning PNGARG((png_structp png_ptr,
png_const_charp warning_message));
png_const_charp warning_message));
#endif /* PNG_WARNINGS_SUPPORTED */
/* This function is called whenever there is a fatal error. This function
@@ -36,42 +35,45 @@ png_default_warning PNGARG((png_structp png_ptr,
* to replace the error function at run-time.
*/
#ifdef PNG_ERROR_TEXT_SUPPORTED
void PNGAPI
png_error(png_structp png_ptr, png_const_charp error_message)
PNG_FUNCTION(void,PNGAPI
png_error,(png_structp png_ptr, png_const_charp error_message),PNG_NORETURN)
{
#ifdef PNG_ERROR_NUMBERS_SUPPORTED
char msg[16];
if (png_ptr != NULL)
{
if (png_ptr->flags&
(PNG_FLAG_STRIP_ERROR_NUMBERS|PNG_FLAG_STRIP_ERROR_TEXT))
{
if (*error_message == PNG_LITERAL_SHARP)
{
/* Strip "#nnnn " from beginning of error message. */
int offset;
for (offset = 1; offset<15; offset++)
if (error_message[offset] == ' ')
if (png_ptr->flags&
(PNG_FLAG_STRIP_ERROR_NUMBERS|PNG_FLAG_STRIP_ERROR_TEXT))
{
if (*error_message == PNG_LITERAL_SHARP)
{
/* Strip "#nnnn " from beginning of error message. */
int offset;
for (offset = 1; offset<15; offset++)
if (error_message[offset] == ' ')
break;
if (png_ptr->flags&PNG_FLAG_STRIP_ERROR_TEXT)
{
int i;
for (i = 0; i < offset - 1; i++)
msg[i] = error_message[i + 1];
msg[i - 1] = '\0';
error_message = msg;
}
else
error_message += offset;
}
else
{
if (png_ptr->flags&PNG_FLAG_STRIP_ERROR_TEXT)
{
msg[0] = '0';
msg[1] = '\0';
error_message = msg;
}
if (png_ptr->flags&PNG_FLAG_STRIP_ERROR_TEXT)
{
int i;
for (i = 0; i < offset - 1; i++)
msg[i] = error_message[i + 1];
msg[i - 1] = '\0';
error_message = msg;
}
else
error_message += offset;
}
else
{
if (png_ptr->flags&PNG_FLAG_STRIP_ERROR_TEXT)
{
msg[0] = '0';
msg[1] = '\0';
error_message = msg;
}
}
}
}
@@ -84,18 +86,124 @@ png_error(png_structp png_ptr, png_const_charp error_message)
png_default_error(png_ptr, error_message);
}
#else
void PNGAPI
png_err(png_structp png_ptr)
PNG_FUNCTION(void,PNGAPI
png_err,(png_structp png_ptr),PNG_NORETURN)
{
/* Prior to 1.5.2 the error_fn received a NULL pointer, expressed
* erroneously as '\0', instead of the empty string "". This was
* apparently an error, introduced in libpng-1.2.20, and png_default_error
* will crash in this case.
*/
if (png_ptr != NULL && png_ptr->error_fn != NULL)
(*(png_ptr->error_fn))(png_ptr, '\0');
(*(png_ptr->error_fn))(png_ptr, "");
/* If the custom handler doesn't exist, or if it returns,
use the default handler, which will not return. */
png_default_error(png_ptr, '\0');
png_default_error(png_ptr, "");
}
#endif /* PNG_ERROR_TEXT_SUPPORTED */
/* Utility to safely appends strings to a buffer. This never errors out so
* error checking is not required in the caller.
*/
size_t
png_safecat(png_charp buffer, size_t bufsize, size_t pos,
png_const_charp string)
{
if (buffer != NULL && pos < bufsize)
{
if (string != NULL)
while (*string != '\0' && pos < bufsize-1)
buffer[pos++] = *string++;
buffer[pos] = '\0';
}
return pos;
}
#if defined(PNG_WARNINGS_SUPPORTED) || defined(PNG_TIME_RFC1123_SUPPORTED)
/* Utility to dump an unsigned value into a buffer, given a start pointer and
* and end pointer (which should point just *beyond* the end of the buffer!)
* Returns the pointer to the start of the formatted string.
*/
png_charp
png_format_number(png_const_charp start, png_charp end, int format,
png_alloc_size_t number)
{
int count = 0; /* number of digits output */
int mincount = 1; /* minimum number required */
int output = 0; /* digit output (for the fixed point format) */
*--end = '\0';
/* This is written so that the loop always runs at least once, even with
* number zero.
*/
while (end > start && (number != 0 || count < mincount))
{
static const char digits[] = "0123456789ABCDEF";
switch (format)
{
case PNG_NUMBER_FORMAT_fixed:
/* Needs five digits (the fraction) */
mincount = 5;
if (output || number % 10 != 0)
{
*--end = digits[number % 10];
output = 1;
}
number /= 10;
break;
case PNG_NUMBER_FORMAT_02u:
/* Expects at least 2 digits. */
mincount = 2;
/* fall through */
case PNG_NUMBER_FORMAT_u:
*--end = digits[number % 10];
number /= 10;
break;
case PNG_NUMBER_FORMAT_02x:
/* This format expects at least two digits */
mincount = 2;
/* fall through */
case PNG_NUMBER_FORMAT_x:
*--end = digits[number & 0xf];
number >>= 4;
break;
default: /* an error */
number = 0;
break;
}
/* Keep track of the number of digits added */
++count;
/* Float a fixed number here: */
if (format == PNG_NUMBER_FORMAT_fixed) if (count == 5) if (end > start)
{
/* End of the fraction, but maybe nothing was output? In that case
* drop the decimal point. If the number is a true zero handle that
* here.
*/
if (output)
*--end = '.';
else if (number == 0) /* and !output */
*--end = '0';
}
}
return end;
}
#endif
#ifdef PNG_WARNINGS_SUPPORTED
/* This function is called whenever there is a non-fatal error. This function
* should not be changed. If there is a need to handle warnings differently,
@@ -110,22 +218,131 @@ png_warning(png_structp png_ptr, png_const_charp warning_message)
{
#ifdef PNG_ERROR_NUMBERS_SUPPORTED
if (png_ptr->flags&
(PNG_FLAG_STRIP_ERROR_NUMBERS|PNG_FLAG_STRIP_ERROR_TEXT))
(PNG_FLAG_STRIP_ERROR_NUMBERS|PNG_FLAG_STRIP_ERROR_TEXT))
#endif
{
if (*warning_message == PNG_LITERAL_SHARP)
{
for (offset = 1; offset < 15; offset++)
if (warning_message[offset] == ' ')
{
if (*warning_message == PNG_LITERAL_SHARP)
{
for (offset = 1; offset < 15; offset++)
if (warning_message[offset] == ' ')
break;
}
}
}
}
}
if (png_ptr != NULL && png_ptr->warning_fn != NULL)
(*(png_ptr->warning_fn))(png_ptr, warning_message + offset);
else
png_default_warning(png_ptr, warning_message + offset);
}
/* These functions support 'formatted' warning messages with up to
* PNG_WARNING_PARAMETER_COUNT parameters. In the format string the parameter
* is introduced by @<number>, where 'number' starts at 1. This follows the
* standard established by X/Open for internationalizable error messages.
*/
void
png_warning_parameter(png_warning_parameters p, int number,
png_const_charp string)
{
if (number > 0 && number <= PNG_WARNING_PARAMETER_COUNT)
(void)png_safecat(p[number-1], (sizeof p[number-1]), 0, string);
}
void
png_warning_parameter_unsigned(png_warning_parameters p, int number, int format,
png_alloc_size_t value)
{
char buffer[PNG_NUMBER_BUFFER_SIZE];
png_warning_parameter(p, number, PNG_FORMAT_NUMBER(buffer, format, value));
}
void
png_warning_parameter_signed(png_warning_parameters p, int number, int format,
png_int_32 value)
{
png_alloc_size_t u;
png_charp str;
char buffer[PNG_NUMBER_BUFFER_SIZE];
/* Avoid overflow by doing the negate in a png_alloc_size_t: */
u = (png_alloc_size_t)value;
if (value < 0)
u = ~u + 1;
str = PNG_FORMAT_NUMBER(buffer, format, u);
if (value < 0 && str > buffer)
*--str = '-';
png_warning_parameter(p, number, str);
}
void
png_formatted_warning(png_structp png_ptr, png_warning_parameters p,
png_const_charp message)
{
/* The internal buffer is just 128 bytes - enough for all our messages,
* overflow doesn't happen because this code checks!
*/
size_t i;
char msg[128];
for (i=0; i<(sizeof msg)-1 && *message != '\0'; ++i)
{
if (*message == '@')
{
int parameter = -1;
switch (*++message)
{
case '1':
parameter = 0;
break;
case '2':
parameter = 1;
break;
case '\0':
continue; /* To break out of the for loop above. */
default:
break;
}
if (parameter >= 0 && parameter < PNG_WARNING_PARAMETER_COUNT)
{
/* Append this parameter */
png_const_charp parm = p[parameter];
png_const_charp pend = p[parameter] + (sizeof p[parameter]);
/* No need to copy the trailing '\0' here, but there is no guarantee
* that parm[] has been initialized, so there is no guarantee of a
* trailing '\0':
*/
for (; i<(sizeof msg)-1 && parm != '\0' && parm < pend; ++i)
msg[i] = *parm++;
++message;
continue;
}
/* else not a parameter and there is a character after the @ sign; just
* copy that.
*/
}
/* At this point *message can't be '\0', even in the bad parameter case
* above where there is a lone '@' at the end of the message string.
*/
msg[i] = *message++;
}
/* i is always less than (sizeof msg), so: */
msg[i] = '\0';
/* And this is the formatted message: */
png_warning(png_ptr, msg);
}
#endif /* PNG_WARNINGS_SUPPORTED */
#ifdef PNG_BENIGN_ERRORS_SUPPORTED
@@ -133,9 +350,9 @@ void PNGAPI
png_benign_error(png_structp png_ptr, png_const_charp error_message)
{
if (png_ptr->flags & PNG_FLAG_BENIGN_ERRORS_WARN)
png_warning(png_ptr, error_message);
png_warning(png_ptr, error_message);
else
png_error(png_ptr, error_message);
png_error(png_ptr, error_message);
}
#endif
@@ -155,13 +372,16 @@ static PNG_CONST char png_digit[16] = {
#if defined(PNG_WARNINGS_SUPPORTED) || defined(PNG_ERROR_TEXT_SUPPORTED)
static void /* PRIVATE */
png_format_buffer(png_structp png_ptr, png_charp buffer, png_const_charp
error_message)
error_message)
{
int iout = 0, iin = 0;
png_uint_32 chunk_name = png_ptr->chunk_name;
int iout = 0, ishift = 24;
while (iin < 4)
while (ishift >= 0)
{
int c = png_ptr->chunk_name[iin++];
int c = (int)(chunk_name >> ishift) & 0xff;
ishift -= 8;
if (isnonalpha(c))
{
buffer[iout++] = PNG_LITERAL_LEFT_SQUARE_BRACKET;
@@ -169,38 +389,48 @@ png_format_buffer(png_structp png_ptr, png_charp buffer, png_const_charp
buffer[iout++] = png_digit[c & 0x0f];
buffer[iout++] = PNG_LITERAL_RIGHT_SQUARE_BRACKET;
}
else
{
buffer[iout++] = (png_byte)c;
buffer[iout++] = (char)c;
}
}
if (error_message == NULL)
buffer[iout] = '\0';
else
{
int iin = 0;
buffer[iout++] = ':';
buffer[iout++] = ' ';
png_memcpy(buffer + iout, error_message, PNG_MAX_ERROR_TEXT);
buffer[iout + PNG_MAX_ERROR_TEXT - 1] = '\0';
while (iin < PNG_MAX_ERROR_TEXT-1 && error_message[iin] != '\0')
buffer[iout++] = error_message[iin++];
/* iin < PNG_MAX_ERROR_TEXT, so the following is safe: */
buffer[iout] = '\0';
}
}
#endif /* PNG_WARNINGS_SUPPORTED || PNG_ERROR_TEXT_SUPPORTED */
#ifdef PNG_READ_SUPPORTED
void PNGAPI
png_chunk_error(png_structp png_ptr, png_const_charp error_message)
#if defined(PNG_READ_SUPPORTED) && defined(PNG_ERROR_TEXT_SUPPORTED)
PNG_FUNCTION(void,PNGAPI
png_chunk_error,(png_structp png_ptr, png_const_charp error_message),
PNG_NORETURN)
{
char msg[18+PNG_MAX_ERROR_TEXT];
if (png_ptr == NULL)
png_error(png_ptr, error_message);
png_error(png_ptr, error_message);
else
{
png_format_buffer(png_ptr, msg, error_message);
png_error(png_ptr, msg);
png_format_buffer(png_ptr, msg, error_message);
png_error(png_ptr, msg);
}
}
#endif /* PNG_READ_SUPPORTED */
#endif /* PNG_WARNINGS_SUPPORTED || PNG_ERROR_TEXT_SUPPORTED */
#endif /* PNG_READ_SUPPORTED && PNG_ERROR_TEXT_SUPPORTED */
#ifdef PNG_WARNINGS_SUPPORTED
void PNGAPI
@@ -208,11 +438,12 @@ png_chunk_warning(png_structp png_ptr, png_const_charp warning_message)
{
char msg[18+PNG_MAX_ERROR_TEXT];
if (png_ptr == NULL)
png_warning(png_ptr, warning_message);
png_warning(png_ptr, warning_message);
else
{
png_format_buffer(png_ptr, msg, warning_message);
png_warning(png_ptr, msg);
png_format_buffer(png_ptr, msg, warning_message);
png_warning(png_ptr, msg);
}
}
#endif /* PNG_WARNINGS_SUPPORTED */
@@ -222,14 +453,37 @@ png_chunk_warning(png_structp png_ptr, png_const_charp warning_message)
void PNGAPI
png_chunk_benign_error(png_structp png_ptr, png_const_charp error_message)
{
if (png_ptr->flags & PNG_FLAG_BENIGN_ERRORS_WARN)
png_chunk_warning(png_ptr, error_message);
else
png_chunk_error(png_ptr, error_message);
if (png_ptr->flags & PNG_FLAG_BENIGN_ERRORS_WARN)
png_chunk_warning(png_ptr, error_message);
else
png_chunk_error(png_ptr, error_message);
}
#endif
#endif /* PNG_READ_SUPPORTED */
#ifdef PNG_ERROR_TEXT_SUPPORTED
#ifdef PNG_FLOATING_POINT_SUPPORTED
PNG_FUNCTION(void,
png_fixed_error,(png_structp png_ptr, png_const_charp name),PNG_NORETURN)
{
# define fixed_message "fixed point overflow in "
# define fixed_message_ln ((sizeof fixed_message)-1)
int iin;
char msg[fixed_message_ln+PNG_MAX_ERROR_TEXT];
png_memcpy(msg, fixed_message, fixed_message_ln);
iin = 0;
if (name != NULL) while (iin < (PNG_MAX_ERROR_TEXT-1) && name[iin] != 0)
{
msg[fixed_message_ln + iin] = name[iin];
++iin;
}
msg[fixed_message_ln + iin] = 0;
png_error(png_ptr, msg);
}
#endif
#endif
#ifdef PNG_SETJMP_SUPPORTED
/* This API only exists if ANSI-C style error handling is used,
* otherwise it is necessary for png_default_error to be overridden.
@@ -242,7 +496,7 @@ png_set_longjmp_fn(png_structp png_ptr, png_longjmp_ptr longjmp_fn,
return NULL;
png_ptr->longjmp_fn = longjmp_fn;
return &png_ptr->jmpbuf;
return &png_ptr->longjmp_buffer;
}
#endif
@@ -251,63 +505,73 @@ png_set_longjmp_fn(png_structp png_ptr, png_longjmp_ptr longjmp_fn,
* function is used by default, or if the program supplies NULL for the
* error function pointer in png_set_error_fn().
*/
static void /* PRIVATE */
png_default_error(png_structp png_ptr, png_const_charp error_message)
static PNG_FUNCTION(void /* PRIVATE */,
png_default_error,(png_structp png_ptr, png_const_charp error_message),
PNG_NORETURN)
{
#ifdef PNG_CONSOLE_IO_SUPPORTED
#ifdef PNG_ERROR_NUMBERS_SUPPORTED
if (*error_message == PNG_LITERAL_SHARP)
/* Check on NULL only added in 1.5.4 */
if (error_message != NULL && *error_message == PNG_LITERAL_SHARP)
{
/* Strip "#nnnn " from beginning of error message. */
int offset;
char error_number[16];
for (offset = 0; offset<15; offset++)
{
/* Strip "#nnnn " from beginning of error message. */
int offset;
char error_number[16];
for (offset = 0; offset<15; offset++)
{
error_number[offset] = error_message[offset + 1];
if (error_message[offset] == ' ')
break;
}
if ((offset > 1) && (offset < 15))
{
error_number[offset - 1] = '\0';
fprintf(stderr, "libpng error no. %s: %s",
error_number, error_message + offset + 1);
fprintf(stderr, PNG_STRING_NEWLINE);
}
else
{
fprintf(stderr, "libpng error: %s, offset=%d",
error_message, offset);
fprintf(stderr, PNG_STRING_NEWLINE);
}
break;
}
if ((offset > 1) && (offset < 15))
{
error_number[offset - 1] = '\0';
fprintf(stderr, "libpng error no. %s: %s",
error_number, error_message + offset + 1);
fprintf(stderr, PNG_STRING_NEWLINE);
}
else
{
fprintf(stderr, "libpng error: %s, offset=%d",
error_message, offset);
fprintf(stderr, PNG_STRING_NEWLINE);
}
}
else
#endif
{
fprintf(stderr, "libpng error: %s", error_message);
fprintf(stderr, "libpng error: %s", error_message ? error_message :
"undefined");
fprintf(stderr, PNG_STRING_NEWLINE);
}
#else
PNG_UNUSED(error_message) /* Make compiler happy */
#endif
png_longjmp(png_ptr, 1);
}
PNG_FUNCTION(void,PNGAPI
png_longjmp,(png_structp png_ptr, int val),PNG_NORETURN)
{
#ifdef PNG_SETJMP_SUPPORTED
if (png_ptr && png_ptr->longjmp_fn)
{
# ifdef USE_FAR_KEYWORD
{
jmp_buf jmpbuf;
png_memcpy(jmpbuf, png_ptr->jmpbuf, png_sizeof(jmp_buf));
png_ptr->longjmp_fn(jmpbuf, 1);
}
{
jmp_buf tmp_jmpbuf;
png_memcpy(tmp_jmpbuf, png_ptr->longjmp_buffer, png_sizeof(jmp_buf));
png_ptr->longjmp_fn(tmp_jmpbuf, val);
}
# else
png_ptr->longjmp_fn(png_ptr->jmpbuf, 1);
png_ptr->longjmp_fn(png_ptr->longjmp_buffer, val);
# endif
}
#endif
/* Here if not setjmp support or if png_ptr is null. */
PNG_ABORT();
#ifndef PNG_CONSOLE_IO_SUPPORTED
error_message = error_message; /* Make compiler happy */
#endif
}
#ifdef PNG_WARNINGS_SUPPORTED
@@ -323,55 +587,63 @@ png_default_warning(png_structp png_ptr, png_const_charp warning_message)
# ifdef PNG_ERROR_NUMBERS_SUPPORTED
if (*warning_message == PNG_LITERAL_SHARP)
{
int offset;
char warning_number[16];
for (offset = 0; offset < 15; offset++)
{
warning_number[offset] = warning_message[offset + 1];
if (warning_message[offset] == ' ')
int offset;
char warning_number[16];
for (offset = 0; offset < 15; offset++)
{
warning_number[offset] = warning_message[offset + 1];
if (warning_message[offset] == ' ')
break;
}
if ((offset > 1) && (offset < 15))
{
warning_number[offset + 1] = '\0';
fprintf(stderr, "libpng warning no. %s: %s",
warning_number, warning_message + offset);
fprintf(stderr, PNG_STRING_NEWLINE);
}
else
{
fprintf(stderr, "libpng warning: %s",
warning_message);
fprintf(stderr, PNG_STRING_NEWLINE);
}
}
if ((offset > 1) && (offset < 15))
{
warning_number[offset + 1] = '\0';
fprintf(stderr, "libpng warning no. %s: %s",
warning_number, warning_message + offset);
fprintf(stderr, PNG_STRING_NEWLINE);
}
else
{
fprintf(stderr, "libpng warning: %s",
warning_message);
fprintf(stderr, PNG_STRING_NEWLINE);
}
}
else
# endif
{
fprintf(stderr, "libpng warning: %s", warning_message);
fprintf(stderr, PNG_STRING_NEWLINE);
fprintf(stderr, "libpng warning: %s", warning_message);
fprintf(stderr, PNG_STRING_NEWLINE);
}
#else
warning_message = warning_message; /* Make compiler happy */
PNG_UNUSED(warning_message) /* Make compiler happy */
#endif
png_ptr = png_ptr; /* Make compiler happy */
PNG_UNUSED(png_ptr) /* Make compiler happy */
}
#endif /* PNG_WARNINGS_SUPPORTED */
/* This function is called when the application wants to use another method
* of handling errors and warnings. Note that the error function MUST NOT
* return to the calling routine or serious problems will occur. The return
* method used in the default routine calls longjmp(png_ptr->jmpbuf, 1)
* method used in the default routine calls longjmp(png_ptr->longjmp_buffer, 1)
*/
void PNGAPI
png_set_error_fn(png_structp png_ptr, png_voidp error_ptr,
png_error_ptr error_fn, png_error_ptr warning_fn)
png_error_ptr error_fn, png_error_ptr warning_fn)
{
if (png_ptr == NULL)
return;
png_ptr->error_ptr = error_ptr;
png_ptr->error_fn = error_fn;
#ifdef PNG_WARNINGS_SUPPORTED
png_ptr->warning_fn = warning_fn;
#else
PNG_UNUSED(warning_fn)
#endif
}
@@ -380,10 +652,11 @@ png_set_error_fn(png_structp png_ptr, png_voidp error_ptr,
* pointer before png_write_destroy and png_read_destroy are called.
*/
png_voidp PNGAPI
png_get_error_ptr(png_structp png_ptr)
png_get_error_ptr(png_const_structp png_ptr)
{
if (png_ptr == NULL)
return NULL;
return ((png_voidp)png_ptr->error_ptr);
}
@@ -394,8 +667,9 @@ png_set_strip_error_numbers(png_structp png_ptr, png_uint_32 strip_mode)
{
if (png_ptr != NULL)
{
png_ptr->flags &=
((~(PNG_FLAG_STRIP_ERROR_NUMBERS|PNG_FLAG_STRIP_ERROR_TEXT))&strip_mode);
png_ptr->flags &=
((~(PNG_FLAG_STRIP_ERROR_NUMBERS |
PNG_FLAG_STRIP_ERROR_TEXT))&strip_mode);
}
}
#endif

792
src/png/pngget.c
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269
src/png/pnginfo.h Normal file
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@@ -0,0 +1,269 @@
/* pnginfo.h - header file for PNG reference library
*
* Copyright (c) 1998-2011 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
*
* Last changed in libpng 1.5.0 [January 6, 2011]
*
* This code is released under the libpng license.
* For conditions of distribution and use, see the disclaimer
* and license in png.h
*/
/* png_info is a structure that holds the information in a PNG file so
* that the application can find out the characteristics of the image.
* If you are reading the file, this structure will tell you what is
* in the PNG file. If you are writing the file, fill in the information
* you want to put into the PNG file, using png_set_*() functions, then
* call png_write_info().
*
* The names chosen should be very close to the PNG specification, so
* consult that document for information about the meaning of each field.
*
* With libpng < 0.95, it was only possible to directly set and read the
* the values in the png_info_struct, which meant that the contents and
* order of the values had to remain fixed. With libpng 0.95 and later,
* however, there are now functions that abstract the contents of
* png_info_struct from the application, so this makes it easier to use
* libpng with dynamic libraries, and even makes it possible to use
* libraries that don't have all of the libpng ancillary chunk-handing
* functionality. In libpng-1.5.0 this was moved into a separate private
* file that is not visible to applications.
*
* The following members may have allocated storage attached that should be
* cleaned up before the structure is discarded: palette, trans, text,
* pcal_purpose, pcal_units, pcal_params, hist, iccp_name, iccp_profile,
* splt_palettes, scal_unit, row_pointers, and unknowns. By default, these
* are automatically freed when the info structure is deallocated, if they were
* allocated internally by libpng. This behavior can be changed by means
* of the png_data_freer() function.
*
* More allocation details: all the chunk-reading functions that
* change these members go through the corresponding png_set_*
* functions. A function to clear these members is available: see
* png_free_data(). The png_set_* functions do not depend on being
* able to point info structure members to any of the storage they are
* passed (they make their own copies), EXCEPT that the png_set_text
* functions use the same storage passed to them in the text_ptr or
* itxt_ptr structure argument, and the png_set_rows and png_set_unknowns
* functions do not make their own copies.
*/
#ifndef PNGINFO_H
#define PNGINFO_H
struct png_info_def
{
/* the following are necessary for every PNG file */
png_uint_32 width; /* width of image in pixels (from IHDR) */
png_uint_32 height; /* height of image in pixels (from IHDR) */
png_uint_32 valid; /* valid chunk data (see PNG_INFO_ below) */
png_size_t rowbytes; /* bytes needed to hold an untransformed row */
png_colorp palette; /* array of color values (valid & PNG_INFO_PLTE) */
png_uint_16 num_palette; /* number of color entries in "palette" (PLTE) */
png_uint_16 num_trans; /* number of transparent palette color (tRNS) */
png_byte bit_depth; /* 1, 2, 4, 8, or 16 bits/channel (from IHDR) */
png_byte color_type; /* see PNG_COLOR_TYPE_ below (from IHDR) */
/* The following three should have been named *_method not *_type */
png_byte compression_type; /* must be PNG_COMPRESSION_TYPE_BASE (IHDR) */
png_byte filter_type; /* must be PNG_FILTER_TYPE_BASE (from IHDR) */
png_byte interlace_type; /* One of PNG_INTERLACE_NONE, PNG_INTERLACE_ADAM7 */
/* The following is informational only on read, and not used on writes. */
png_byte channels; /* number of data channels per pixel (1, 2, 3, 4) */
png_byte pixel_depth; /* number of bits per pixel */
png_byte spare_byte; /* to align the data, and for future use */
png_byte signature[8]; /* magic bytes read by libpng from start of file */
/* The rest of the data is optional. If you are reading, check the
* valid field to see if the information in these are valid. If you
* are writing, set the valid field to those chunks you want written,
* and initialize the appropriate fields below.
*/
#if defined(PNG_gAMA_SUPPORTED)
/* The gAMA chunk describes the gamma characteristics of the system
* on which the image was created, normally in the range [1.0, 2.5].
* Data is valid if (valid & PNG_INFO_gAMA) is non-zero.
*/
png_fixed_point gamma;
#endif
#ifdef PNG_sRGB_SUPPORTED
/* GR-P, 0.96a */
/* Data valid if (valid & PNG_INFO_sRGB) non-zero. */
png_byte srgb_intent; /* sRGB rendering intent [0, 1, 2, or 3] */
#endif
#ifdef PNG_TEXT_SUPPORTED
/* The tEXt, and zTXt chunks contain human-readable textual data in
* uncompressed, compressed, and optionally compressed forms, respectively.
* The data in "text" is an array of pointers to uncompressed,
* null-terminated C strings. Each chunk has a keyword that describes the
* textual data contained in that chunk. Keywords are not required to be
* unique, and the text string may be empty. Any number of text chunks may
* be in an image.
*/
int num_text; /* number of comments read or comments to write */
int max_text; /* current size of text array */
png_textp text; /* array of comments read or comments to write */
#endif /* PNG_TEXT_SUPPORTED */
#ifdef PNG_tIME_SUPPORTED
/* The tIME chunk holds the last time the displayed image data was
* modified. See the png_time struct for the contents of this struct.
*/
png_time mod_time;
#endif
#ifdef PNG_sBIT_SUPPORTED
/* The sBIT chunk specifies the number of significant high-order bits
* in the pixel data. Values are in the range [1, bit_depth], and are
* only specified for the channels in the pixel data. The contents of
* the low-order bits is not specified. Data is valid if
* (valid & PNG_INFO_sBIT) is non-zero.
*/
png_color_8 sig_bit; /* significant bits in color channels */
#endif
#if defined(PNG_tRNS_SUPPORTED) || defined(PNG_READ_EXPAND_SUPPORTED) || \
defined(PNG_READ_BACKGROUND_SUPPORTED)
/* The tRNS chunk supplies transparency data for paletted images and
* other image types that don't need a full alpha channel. There are
* "num_trans" transparency values for a paletted image, stored in the
* same order as the palette colors, starting from index 0. Values
* for the data are in the range [0, 255], ranging from fully transparent
* to fully opaque, respectively. For non-paletted images, there is a
* single color specified that should be treated as fully transparent.
* Data is valid if (valid & PNG_INFO_tRNS) is non-zero.
*/
png_bytep trans_alpha; /* alpha values for paletted image */
png_color_16 trans_color; /* transparent color for non-palette image */
#endif
#if defined(PNG_bKGD_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED)
/* The bKGD chunk gives the suggested image background color if the
* display program does not have its own background color and the image
* is needs to composited onto a background before display. The colors
* in "background" are normally in the same color space/depth as the
* pixel data. Data is valid if (valid & PNG_INFO_bKGD) is non-zero.
*/
png_color_16 background;
#endif
#ifdef PNG_oFFs_SUPPORTED
/* The oFFs chunk gives the offset in "offset_unit_type" units rightwards
* and downwards from the top-left corner of the display, page, or other
* application-specific co-ordinate space. See the PNG_OFFSET_ defines
* below for the unit types. Valid if (valid & PNG_INFO_oFFs) non-zero.
*/
png_int_32 x_offset; /* x offset on page */
png_int_32 y_offset; /* y offset on page */
png_byte offset_unit_type; /* offset units type */
#endif
#ifdef PNG_pHYs_SUPPORTED
/* The pHYs chunk gives the physical pixel density of the image for
* display or printing in "phys_unit_type" units (see PNG_RESOLUTION_
* defines below). Data is valid if (valid & PNG_INFO_pHYs) is non-zero.
*/
png_uint_32 x_pixels_per_unit; /* horizontal pixel density */
png_uint_32 y_pixels_per_unit; /* vertical pixel density */
png_byte phys_unit_type; /* resolution type (see PNG_RESOLUTION_ below) */
#endif
#ifdef PNG_hIST_SUPPORTED
/* The hIST chunk contains the relative frequency or importance of the
* various palette entries, so that a viewer can intelligently select a
* reduced-color palette, if required. Data is an array of "num_palette"
* values in the range [0,65535]. Data valid if (valid & PNG_INFO_hIST)
* is non-zero.
*/
png_uint_16p hist;
#endif
#ifdef PNG_cHRM_SUPPORTED
/* The cHRM chunk describes the CIE color characteristics of the monitor
* on which the PNG was created. This data allows the viewer to do gamut
* mapping of the input image to ensure that the viewer sees the same
* colors in the image as the creator. Values are in the range
* [0.0, 0.8]. Data valid if (valid & PNG_INFO_cHRM) non-zero.
*/
png_fixed_point x_white;
png_fixed_point y_white;
png_fixed_point x_red;
png_fixed_point y_red;
png_fixed_point x_green;
png_fixed_point y_green;
png_fixed_point x_blue;
png_fixed_point y_blue;
#endif
#ifdef PNG_pCAL_SUPPORTED
/* The pCAL chunk describes a transformation between the stored pixel
* values and original physical data values used to create the image.
* The integer range [0, 2^bit_depth - 1] maps to the floating-point
* range given by [pcal_X0, pcal_X1], and are further transformed by a
* (possibly non-linear) transformation function given by "pcal_type"
* and "pcal_params" into "pcal_units". Please see the PNG_EQUATION_
* defines below, and the PNG-Group's PNG extensions document for a
* complete description of the transformations and how they should be
* implemented, and for a description of the ASCII parameter strings.
* Data values are valid if (valid & PNG_INFO_pCAL) non-zero.
*/
png_charp pcal_purpose; /* pCAL chunk description string */
png_int_32 pcal_X0; /* minimum value */
png_int_32 pcal_X1; /* maximum value */
png_charp pcal_units; /* Latin-1 string giving physical units */
png_charpp pcal_params; /* ASCII strings containing parameter values */
png_byte pcal_type; /* equation type (see PNG_EQUATION_ below) */
png_byte pcal_nparams; /* number of parameters given in pcal_params */
#endif
/* New members added in libpng-1.0.6 */
png_uint_32 free_me; /* flags items libpng is responsible for freeing */
#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) || \
defined(PNG_HANDLE_AS_UNKNOWN_SUPPORTED)
/* Storage for unknown chunks that the library doesn't recognize. */
png_unknown_chunkp unknown_chunks;
int unknown_chunks_num;
#endif
#ifdef PNG_iCCP_SUPPORTED
/* iCCP chunk data. */
png_charp iccp_name; /* profile name */
png_bytep iccp_profile; /* International Color Consortium profile data */
png_uint_32 iccp_proflen; /* ICC profile data length */
png_byte iccp_compression; /* Always zero */
#endif
#ifdef PNG_sPLT_SUPPORTED
/* Data on sPLT chunks (there may be more than one). */
png_sPLT_tp splt_palettes;
png_uint_32 splt_palettes_num;
#endif
#ifdef PNG_sCAL_SUPPORTED
/* The sCAL chunk describes the actual physical dimensions of the
* subject matter of the graphic. The chunk contains a unit specification
* a byte value, and two ASCII strings representing floating-point
* values. The values are width and height corresponsing to one pixel
* in the image. Data values are valid if (valid & PNG_INFO_sCAL) is
* non-zero.
*/
png_byte scal_unit; /* unit of physical scale */
png_charp scal_s_width; /* string containing height */
png_charp scal_s_height; /* string containing width */
#endif
#ifdef PNG_INFO_IMAGE_SUPPORTED
/* Memory has been allocated if (valid & PNG_ALLOCATED_INFO_ROWS)
non-zero */
/* Data valid if (valid & PNG_INFO_IDAT) non-zero */
png_bytepp row_pointers; /* the image bits */
#endif
};
#endif /* PNGINFO_H */

187
src/png/pnglibconf.h Normal file
View File

@@ -0,0 +1,187 @@
/* libpng STANDARD API DEFINITION */
/* pnglibconf.h - library build configuration */
/* libpng version 1.5.4 - last changed on June 22, 2011 */
/* Copyright (c) 1998-2011 Glenn Randers-Pehrson */
/* This code is released under the libpng license. */
/* For conditions of distribution and use, see the disclaimer */
/* and license in png.h */
/* pnglibconf.h */
/* Derived from: scripts/pnglibconf.dfa */
/* If you edit this file by hand you must obey the rules expressed in */
/* pnglibconf.dfa with respect to the dependencies between the following */
/* symbols. It is much better to generate a new file using */
/* scripts/libpngconf.mak */
#ifndef PNGLCONF_H
#define PNGLCONF_H
/* settings */
#define PNG_API_RULE 0
#define PNG_CALLOC_SUPPORTED
#define PNG_COST_SHIFT 3
#define PNG_DEFAULT_READ_MACROS 1
#define PNG_GAMMA_THRESHOLD_FIXED 5000
#define PNG_MAX_GAMMA_8 11
#define PNG_QUANTIZE_BLUE_BITS 5
#define PNG_QUANTIZE_GREEN_BITS 5
#define PNG_QUANTIZE_RED_BITS 5
#define PNG_sCAL_PRECISION 5
#define PNG_USER_CHUNK_CACHE_MAX 0
#define PNG_USER_CHUNK_MALLOC_MAX 0
#define PNG_USER_HEIGHT_MAX 1000000
#define PNG_USER_WIDTH_MAX 1000000
#define PNG_WEIGHT_SHIFT 8
#define PNG_ZBUF_SIZE 8192
/* end of settings */
/* options */
#define PNG_16BIT_SUPPORTED
#define PNG_ALIGN_MEMORY_SUPPORTED
#define PNG_BENIGN_ERRORS_SUPPORTED
#define PNG_bKGD_SUPPORTED
#define PNG_BUILD_GRAYSCALE_PALETTE_SUPPORTED
#define PNG_CHECK_cHRM_SUPPORTED
#define PNG_cHRM_SUPPORTED
#define PNG_CONSOLE_IO_SUPPORTED
#define PNG_CONVERT_tIME_SUPPORTED
#define PNG_EASY_ACCESS_SUPPORTED
/*#undef PNG_ERROR_NUMBERS_SUPPORTED*/
#define PNG_ERROR_TEXT_SUPPORTED
#define PNG_FIXED_POINT_SUPPORTED
#define PNG_FLOATING_ARITHMETIC_SUPPORTED
#define PNG_FLOATING_POINT_SUPPORTED
#define PNG_gAMA_SUPPORTED
#define PNG_HANDLE_AS_UNKNOWN_SUPPORTED
#define PNG_hIST_SUPPORTED
#define PNG_iCCP_SUPPORTED
#define PNG_INCH_CONVERSIONS_SUPPORTED
#define PNG_INFO_IMAGE_SUPPORTED
#define PNG_IO_STATE_SUPPORTED
#define PNG_iTXt_SUPPORTED
#define PNG_MNG_FEATURES_SUPPORTED
#define PNG_oFFs_SUPPORTED
#define PNG_pCAL_SUPPORTED
#define PNG_pHYs_SUPPORTED
#define PNG_POINTER_INDEXING_SUPPORTED
#define PNG_PROGRESSIVE_READ_SUPPORTED
#define PNG_READ_16BIT_SUPPORTED
#define PNG_READ_ALPHA_MODE_SUPPORTED
#define PNG_READ_ANCILLARY_CHUNKS_SUPPORTED
#define PNG_READ_BACKGROUND_SUPPORTED
#define PNG_READ_BGR_SUPPORTED
#define PNG_READ_bKGD_SUPPORTED
#define PNG_READ_cHRM_SUPPORTED
#define PNG_READ_COMPOSITE_NODIV_SUPPORTED
#define PNG_READ_COMPRESSED_TEXT_SUPPORTED
#define PNG_READ_EXPAND_16_SUPPORTED
#define PNG_READ_EXPAND_SUPPORTED
#define PNG_READ_FILLER_SUPPORTED
#define PNG_READ_gAMA_SUPPORTED
#define PNG_READ_GAMMA_SUPPORTED
#define PNG_READ_GRAY_TO_RGB_SUPPORTED
#define PNG_READ_hIST_SUPPORTED
#define PNG_READ_iCCP_SUPPORTED
#define PNG_READ_INTERLACING_SUPPORTED
#define PNG_READ_INT_FUNCTIONS_SUPPORTED
#define PNG_READ_INVERT_ALPHA_SUPPORTED
#define PNG_READ_INVERT_SUPPORTED
#define PNG_READ_iTXt_SUPPORTED
#define PNG_READ_oFFs_SUPPORTED
#define PNG_READ_OPT_PLTE_SUPPORTED
#define PNG_READ_PACK_SUPPORTED
#define PNG_READ_PACKSWAP_SUPPORTED
#define PNG_READ_pCAL_SUPPORTED
#define PNG_READ_pHYs_SUPPORTED
#define PNG_READ_QUANTIZE_SUPPORTED
#define PNG_READ_RGB_TO_GRAY_SUPPORTED
#define PNG_READ_sBIT_SUPPORTED
#define PNG_READ_SCALE_16_TO_8_SUPPORTED
#define PNG_READ_sCAL_SUPPORTED
#define PNG_READ_SHIFT_SUPPORTED
#define PNG_READ_sPLT_SUPPORTED
#define PNG_READ_sRGB_SUPPORTED
#define PNG_READ_STRIP_16_TO_8_SUPPORTED
#define PNG_READ_STRIP_ALPHA_SUPPORTED
#define PNG_READ_SUPPORTED
#define PNG_READ_SWAP_ALPHA_SUPPORTED
#define PNG_READ_SWAP_SUPPORTED
#define PNG_READ_tEXt_SUPPORTED
#define PNG_READ_TEXT_SUPPORTED
#define PNG_READ_tIME_SUPPORTED
#define PNG_READ_TRANSFORMS_SUPPORTED
#define PNG_READ_tRNS_SUPPORTED
#define PNG_READ_UNKNOWN_CHUNKS_SUPPORTED
#define PNG_READ_USER_CHUNKS_SUPPORTED
#define PNG_READ_USER_TRANSFORM_SUPPORTED
#define PNG_READ_zTXt_SUPPORTED
#define PNG_SAVE_INT_32_SUPPORTED
#define PNG_sBIT_SUPPORTED
#define PNG_sCAL_SUPPORTED
#define PNG_SEQUENTIAL_READ_SUPPORTED
#define PNG_SET_CHUNK_CACHE_LIMIT_SUPPORTED
#define PNG_SET_CHUNK_MALLOC_LIMIT_SUPPORTED
#define PNG_SETJMP_SUPPORTED
#define PNG_SET_USER_LIMITS_SUPPORTED
#define PNG_sPLT_SUPPORTED
#define PNG_sRGB_SUPPORTED
#define PNG_STDIO_SUPPORTED
#define PNG_tEXt_SUPPORTED
#define PNG_TEXT_SUPPORTED
#define PNG_TIME_RFC1123_SUPPORTED
#define PNG_tIME_SUPPORTED
#define PNG_tRNS_SUPPORTED
#define PNG_UNKNOWN_CHUNKS_SUPPORTED
#define PNG_USER_CHUNKS_SUPPORTED
#define PNG_USER_LIMITS_SUPPORTED
#define PNG_USER_MEM_SUPPORTED
#define PNG_USER_TRANSFORM_INFO_SUPPORTED
#define PNG_USER_TRANSFORM_PTR_SUPPORTED
#define PNG_WARNINGS_SUPPORTED
#define PNG_WRITE_16BIT_SUPPORTED
#define PNG_WRITE_ANCILLARY_CHUNKS_SUPPORTED
#define PNG_WRITE_BGR_SUPPORTED
#define PNG_WRITE_bKGD_SUPPORTED
#define PNG_WRITE_cHRM_SUPPORTED
#define PNG_WRITE_COMPRESSED_TEXT_SUPPORTED
#define PNG_WRITE_CUSTOMIZE_ZTXT_COMPRESSION_SUPPORTED
#define PNG_WRITE_FILLER_SUPPORTED
#define PNG_WRITE_FILTER_SUPPORTED
#define PNG_WRITE_FLUSH_SUPPORTED
#define PNG_WRITE_gAMA_SUPPORTED
#define PNG_WRITE_hIST_SUPPORTED
#define PNG_WRITE_iCCP_SUPPORTED
#define PNG_WRITE_INTERLACING_SUPPORTED
#define PNG_WRITE_INT_FUNCTIONS_SUPPORTED
#define PNG_WRITE_INVERT_ALPHA_SUPPORTED
#define PNG_WRITE_INVERT_SUPPORTED
#define PNG_WRITE_iTXt_SUPPORTED
#define PNG_WRITE_oFFs_SUPPORTED
#define PNG_WRITE_OPTIMIZE_CMF_SUPPORTED
#define PNG_WRITE_PACK_SUPPORTED
#define PNG_WRITE_PACKSWAP_SUPPORTED
#define PNG_WRITE_pCAL_SUPPORTED
#define PNG_WRITE_pHYs_SUPPORTED
#define PNG_WRITE_sBIT_SUPPORTED
#define PNG_WRITE_sCAL_SUPPORTED
#define PNG_WRITE_SHIFT_SUPPORTED
#define PNG_WRITE_sPLT_SUPPORTED
#define PNG_WRITE_sRGB_SUPPORTED
#define PNG_WRITE_SUPPORTED
#define PNG_WRITE_SWAP_ALPHA_SUPPORTED
#define PNG_WRITE_SWAP_SUPPORTED
#define PNG_WRITE_tEXt_SUPPORTED
#define PNG_WRITE_TEXT_SUPPORTED
#define PNG_WRITE_tIME_SUPPORTED
#define PNG_WRITE_TRANSFORMS_SUPPORTED
#define PNG_WRITE_tRNS_SUPPORTED
#define PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED
#define PNG_WRITE_USER_TRANSFORM_SUPPORTED
#define PNG_WRITE_WEIGHTED_FILTER_SUPPORTED
#define PNG_WRITE_zTXt_SUPPORTED
#define PNG_zTXt_SUPPORTED
/* end of options */
#endif /* PNGLCONF_H */

266
src/png/pngmem.c
View File

@@ -1,8 +1,8 @@
/* pngmem.c - stub functions for memory allocation
*
* Last changed in libpng 1.4.2 [May 6, 2010]
* Copyright (c) 1998-2010 Glenn Randers-Pehrson
* Last changed in libpng 1.5.4 [July 7, 2011]
* Copyright (c) 1998-2011 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
*
@@ -17,40 +17,42 @@
* identify the replacement functions.
*/
#define PNG_NO_PEDANTIC_WARNINGS
#include "png.h"
#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED)
#include "pngpriv.h"
#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED)
/* Borland DOS special memory handler */
#if defined(__TURBOC__) && !defined(_Windows) && !defined(__FLAT__)
/* If you change this, be sure to change the one in png.h also */
/* Allocate memory for a png_struct. The malloc and memset can be replaced
by a single call to calloc() if this is thought to improve performance. */
png_voidp /* PRIVATE */
png_create_struct(int type)
PNG_FUNCTION(png_voidp /* PRIVATE */,
png_create_struct,(int type),PNG_ALLOCATED)
{
#ifdef PNG_USER_MEM_SUPPORTED
# ifdef PNG_USER_MEM_SUPPORTED
return (png_create_struct_2(type, NULL, NULL));
}
/* Alternate version of png_create_struct, for use with user-defined malloc. */
png_voidp /* PRIVATE */
png_create_struct_2(int type, png_malloc_ptr malloc_fn, png_voidp mem_ptr)
PNG_FUNCTION(png_voidp /* PRIVATE */,
png_create_struct_2,(int type, png_malloc_ptr malloc_fn, png_voidp mem_ptr),
PNG_ALLOCATED)
{
#endif /* PNG_USER_MEM_SUPPORTED */
# endif /* PNG_USER_MEM_SUPPORTED */
png_size_t size;
png_voidp struct_ptr;
if (type == PNG_STRUCT_INFO)
size = png_sizeof(png_info);
else if (type == PNG_STRUCT_PNG)
size = png_sizeof(png_struct);
else
return (png_get_copyright(NULL));
#ifdef PNG_USER_MEM_SUPPORTED
# ifdef PNG_USER_MEM_SUPPORTED
if (malloc_fn != NULL)
{
png_struct dummy_struct;
@@ -58,11 +60,13 @@ png_create_struct_2(int type, png_malloc_ptr malloc_fn, png_voidp mem_ptr)
png_ptr->mem_ptr=mem_ptr;
struct_ptr = (*(malloc_fn))(png_ptr, (png_uint_32)size);
}
else
#endif /* PNG_USER_MEM_SUPPORTED */
# endif /* PNG_USER_MEM_SUPPORTED */
struct_ptr = (png_voidp)farmalloc(size);
if (struct_ptr != NULL)
png_memset(struct_ptr, 0, size);
return (struct_ptr);
}
@@ -70,7 +74,7 @@ png_create_struct_2(int type, png_malloc_ptr malloc_fn, png_voidp mem_ptr)
void /* PRIVATE */
png_destroy_struct(png_voidp struct_ptr)
{
#ifdef PNG_USER_MEM_SUPPORTED
# ifdef PNG_USER_MEM_SUPPORTED
png_destroy_struct_2(struct_ptr, NULL, NULL);
}
@@ -79,10 +83,10 @@ void /* PRIVATE */
png_destroy_struct_2(png_voidp struct_ptr, png_free_ptr free_fn,
png_voidp mem_ptr)
{
#endif
# endif
if (struct_ptr != NULL)
{
#ifdef PNG_USER_MEM_SUPPORTED
# ifdef PNG_USER_MEM_SUPPORTED
if (free_fn != NULL)
{
png_struct dummy_struct;
@@ -91,7 +95,8 @@ png_destroy_struct_2(png_voidp struct_ptr, png_free_ptr free_fn,
(*(free_fn))(png_ptr, struct_ptr);
return;
}
#endif /* PNG_USER_MEM_SUPPORTED */
# endif /* PNG_USER_MEM_SUPPORTED */
farfree (struct_ptr);
}
}
@@ -115,55 +120,62 @@ png_destroy_struct_2(png_voidp struct_ptr, png_free_ptr free_fn,
* result, we would be truncating potentially larger memory requests
* (which should cause a fatal error) and introducing major problems.
*/
png_voidp PNGAPI
png_calloc(png_structp png_ptr, png_alloc_size_t size)
PNG_FUNCTION(png_voidp,PNGAPI
png_calloc,(png_structp png_ptr, png_alloc_size_t size),PNG_ALLOCATED)
{
png_voidp ret;
ret = (png_malloc(png_ptr, size));
if (ret != NULL)
png_memset(ret,0,(png_size_t)size);
return (ret);
}
png_voidp PNGAPI
png_malloc(png_structp png_ptr, png_alloc_size_t size)
PNG_FUNCTION(png_voidp,PNGAPI
png_malloc,(png_structp png_ptr, png_alloc_size_t size),PNG_ALLOCATED)
{
png_voidp ret;
if (png_ptr == NULL || size == 0)
return (NULL);
#ifdef PNG_USER_MEM_SUPPORTED
# ifdef PNG_USER_MEM_SUPPORTED
if (png_ptr->malloc_fn != NULL)
ret = ((png_voidp)(*(png_ptr->malloc_fn))(png_ptr, (png_size_t)size));
else
ret = (png_malloc_default(png_ptr, size));
if (ret == NULL && (png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0)
png_error(png_ptr, "Out of memory");
return (ret);
}
png_voidp PNGAPI
png_malloc_default(png_structp png_ptr, png_alloc_size_t size)
PNG_FUNCTION(png_voidp,PNGAPI
png_malloc_default,(png_structp png_ptr, png_alloc_size_t size),PNG_ALLOCATED)
{
png_voidp ret;
#endif /* PNG_USER_MEM_SUPPORTED */
# endif /* PNG_USER_MEM_SUPPORTED */
if (png_ptr == NULL || size == 0)
return (NULL);
#ifdef PNG_MAX_MALLOC_64K
# ifdef PNG_MAX_MALLOC_64K
if (size > (png_uint_32)65536L)
{
png_warning(png_ptr, "Cannot Allocate > 64K");
ret = NULL;
}
else
#endif
# endif
if (size != (size_t)size)
ret = NULL;
else if (size == (png_uint_32)65536L)
{
if (png_ptr->offset_table == NULL)
@@ -175,8 +187,9 @@ png_malloc_default(png_structp png_ptr, png_alloc_size_t size)
int num_blocks;
png_uint_32 total_size;
png_bytep table;
int i;
int i, mem_level, window_bits;
png_byte huge * hptr;
int window_bits
if (ret != NULL)
{
@@ -184,12 +197,23 @@ png_malloc_default(png_structp png_ptr, png_alloc_size_t size)
ret = NULL;
}
if (png_ptr->zlib_window_bits > 14)
num_blocks = (int)(1 << (png_ptr->zlib_window_bits - 14));
window_bits =
png_ptr->zlib_window_bits >= png_ptr->zlib_text_window_bits ?
png_ptr->zlib_window_bits : png_ptr->zlib_text_window_bits;
if (window_bits > 14)
num_blocks = (int)(1 << (window_bits - 14));
else
num_blocks = 1;
if (png_ptr->zlib_mem_level >= 7)
num_blocks += (int)(1 << (png_ptr->zlib_mem_level - 7));
mem_level =
png_ptr->zlib_mem_level >= png_ptr->zlib_text_mem_level ?
png_ptr->zlib_mem_level : png_ptr->zlib_text_mem_level;
if (mem_level >= 7)
num_blocks += (int)(1 << (mem_level - 7));
else
num_blocks++;
@@ -199,25 +223,27 @@ png_malloc_default(png_structp png_ptr, png_alloc_size_t size)
if (table == NULL)
{
#ifndef PNG_USER_MEM_SUPPORTED
# ifndef PNG_USER_MEM_SUPPORTED
if ((png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0)
png_error(png_ptr, "Out Of Memory"); /* Note "O", "M" */
else
png_warning(png_ptr, "Out Of Memory");
#endif
# endif
return (NULL);
}
if ((png_size_t)table & 0xfff0)
{
#ifndef PNG_USER_MEM_SUPPORTED
# ifndef PNG_USER_MEM_SUPPORTED
if ((png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0)
png_error(png_ptr,
"Farmalloc didn't return normalized pointer");
else
png_warning(png_ptr,
"Farmalloc didn't return normalized pointer");
#endif
# endif
return (NULL);
}
@@ -227,12 +253,13 @@ png_malloc_default(png_structp png_ptr, png_alloc_size_t size)
if (png_ptr->offset_table_ptr == NULL)
{
#ifndef PNG_USER_MEM_SUPPORTED
# ifndef PNG_USER_MEM_SUPPORTED
if ((png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0)
png_error(png_ptr, "Out Of memory"); /* Note "O", "m" */
else
png_warning(png_ptr, "Out Of memory");
#endif
# endif
return (NULL);
}
@@ -242,6 +269,7 @@ png_malloc_default(png_structp png_ptr, png_alloc_size_t size)
hptr = (png_byte huge *)((long)(hptr) & 0xfffffff0L);
hptr = hptr + 16L; /* "hptr += 16L" fails on Turbo C++ 3.0 */
}
for (i = 0; i < num_blocks; i++)
{
png_ptr->offset_table_ptr[i] = (png_bytep)hptr;
@@ -256,29 +284,32 @@ png_malloc_default(png_structp png_ptr, png_alloc_size_t size)
if (png_ptr->offset_table_count >= png_ptr->offset_table_number)
{
#ifndef PNG_USER_MEM_SUPPORTED
# ifndef PNG_USER_MEM_SUPPORTED
if ((png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0)
png_error(png_ptr, "Out of Memory"); /* Note "o" and "M" */
png_error(png_ptr, "Out of Memory"); /* Note "O" and "M" */
else
png_warning(png_ptr, "Out of Memory");
#endif
# endif
return (NULL);
}
ret = png_ptr->offset_table_ptr[png_ptr->offset_table_count++];
}
else
ret = farmalloc(size);
#ifndef PNG_USER_MEM_SUPPORTED
# ifndef PNG_USER_MEM_SUPPORTED
if (ret == NULL)
{
if ((png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0)
png_error(png_ptr, "Out of memory"); /* Note "o" and "m" */
else
png_warning(png_ptr, "Out of memory"); /* Note "o" and "m" */
}
#endif
# endif
return (ret);
}
@@ -293,12 +324,13 @@ png_free(png_structp png_ptr, png_voidp ptr)
if (png_ptr == NULL || ptr == NULL)
return;
#ifdef PNG_USER_MEM_SUPPORTED
# ifdef PNG_USER_MEM_SUPPORTED
if (png_ptr->free_fn != NULL)
{
(*(png_ptr->free_fn))(png_ptr, ptr);
return;
}
else
png_free_default(png_ptr, ptr);
}
@@ -306,7 +338,7 @@ png_free(png_structp png_ptr, png_voidp ptr)
void PNGAPI
png_free_default(png_structp png_ptr, png_voidp ptr)
{
#endif /* PNG_USER_MEM_SUPPORTED */
# endif /* PNG_USER_MEM_SUPPORTED */
if (png_ptr == NULL || ptr == NULL)
return;
@@ -334,9 +366,7 @@ png_free_default(png_structp png_ptr, png_voidp ptr)
}
if (ptr != NULL)
{
farfree(ptr);
}
}
#else /* Not the Borland DOS special memory handler */
@@ -344,52 +374,58 @@ png_free_default(png_structp png_ptr, png_voidp ptr)
/* Allocate memory for a png_struct or a png_info. The malloc and
memset can be replaced by a single call to calloc() if this is thought
to improve performance noticably. */
png_voidp /* PRIVATE */
png_create_struct(int type)
PNG_FUNCTION(png_voidp /* PRIVATE */,
png_create_struct,(int type),PNG_ALLOCATED)
{
#ifdef PNG_USER_MEM_SUPPORTED
# ifdef PNG_USER_MEM_SUPPORTED
return (png_create_struct_2(type, NULL, NULL));
}
/* Allocate memory for a png_struct or a png_info. The malloc and
memset can be replaced by a single call to calloc() if this is thought
to improve performance noticably. */
png_voidp /* PRIVATE */
png_create_struct_2(int type, png_malloc_ptr malloc_fn, png_voidp mem_ptr)
PNG_FUNCTION(png_voidp /* PRIVATE */,
png_create_struct_2,(int type, png_malloc_ptr malloc_fn, png_voidp mem_ptr),
PNG_ALLOCATED)
{
#endif /* PNG_USER_MEM_SUPPORTED */
# endif /* PNG_USER_MEM_SUPPORTED */
png_size_t size;
png_voidp struct_ptr;
if (type == PNG_STRUCT_INFO)
size = png_sizeof(png_info);
else if (type == PNG_STRUCT_PNG)
size = png_sizeof(png_struct);
else
return (NULL);
#ifdef PNG_USER_MEM_SUPPORTED
# ifdef PNG_USER_MEM_SUPPORTED
if (malloc_fn != NULL)
{
png_struct dummy_struct;
png_structp png_ptr = &dummy_struct;
png_ptr->mem_ptr=mem_ptr;
struct_ptr = (*(malloc_fn))(png_ptr, size);
if (struct_ptr != NULL)
png_memset(struct_ptr, 0, size);
return (struct_ptr);
}
#endif /* PNG_USER_MEM_SUPPORTED */
# endif /* PNG_USER_MEM_SUPPORTED */
#if defined(__TURBOC__) && !defined(__FLAT__)
# if defined(__TURBOC__) && !defined(__FLAT__)
struct_ptr = (png_voidp)farmalloc(size);
#else
# if defined(_MSC_VER) && defined(MAXSEG_64K)
# else
# if defined(_MSC_VER) && defined(MAXSEG_64K)
struct_ptr = (png_voidp)halloc(size, 1);
# else
# else
struct_ptr = (png_voidp)malloc(size);
# endif
#endif
# endif
# endif
if (struct_ptr != NULL)
png_memset(struct_ptr, 0, size);
@@ -401,7 +437,7 @@ png_create_struct_2(int type, png_malloc_ptr malloc_fn, png_voidp mem_ptr)
void /* PRIVATE */
png_destroy_struct(png_voidp struct_ptr)
{
#ifdef PNG_USER_MEM_SUPPORTED
# ifdef PNG_USER_MEM_SUPPORTED
png_destroy_struct_2(struct_ptr, NULL, NULL);
}
@@ -410,10 +446,10 @@ void /* PRIVATE */
png_destroy_struct_2(png_voidp struct_ptr, png_free_ptr free_fn,
png_voidp mem_ptr)
{
#endif /* PNG_USER_MEM_SUPPORTED */
# endif /* PNG_USER_MEM_SUPPORTED */
if (struct_ptr != NULL)
{
#ifdef PNG_USER_MEM_SUPPORTED
# ifdef PNG_USER_MEM_SUPPORTED
if (free_fn != NULL)
{
png_struct dummy_struct;
@@ -422,16 +458,19 @@ png_destroy_struct_2(png_voidp struct_ptr, png_free_ptr free_fn,
(*(free_fn))(png_ptr, struct_ptr);
return;
}
#endif /* PNG_USER_MEM_SUPPORTED */
#if defined(__TURBOC__) && !defined(__FLAT__)
# endif /* PNG_USER_MEM_SUPPORTED */
# if defined(__TURBOC__) && !defined(__FLAT__)
farfree(struct_ptr);
#else
# if defined(_MSC_VER) && defined(MAXSEG_64K)
# else
# if defined(_MSC_VER) && defined(MAXSEG_64K)
hfree(struct_ptr);
# else
# else
free(struct_ptr);
# endif
#endif
# endif
# endif
}
}
@@ -442,80 +481,92 @@ png_destroy_struct_2(png_voidp struct_ptr, png_free_ptr free_fn,
* have the ability to do that.
*/
png_voidp PNGAPI
png_calloc(png_structp png_ptr, png_alloc_size_t size)
PNG_FUNCTION(png_voidp,PNGAPI
png_calloc,(png_structp png_ptr, png_alloc_size_t size),PNG_ALLOCATED)
{
png_voidp ret;
ret = (png_malloc(png_ptr, size));
if (ret != NULL)
png_memset(ret,0,(png_size_t)size);
return (ret);
}
png_voidp PNGAPI
png_malloc(png_structp png_ptr, png_alloc_size_t size)
PNG_FUNCTION(png_voidp,PNGAPI
png_malloc,(png_structp png_ptr, png_alloc_size_t size),PNG_ALLOCATED)
{
png_voidp ret;
#ifdef PNG_USER_MEM_SUPPORTED
# ifdef PNG_USER_MEM_SUPPORTED
if (png_ptr == NULL || size == 0)
return (NULL);
if (png_ptr->malloc_fn != NULL)
ret = ((png_voidp)(*(png_ptr->malloc_fn))(png_ptr, (png_size_t)size));
else
ret = (png_malloc_default(png_ptr, size));
if (ret == NULL && (png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0)
png_error(png_ptr, "Out of Memory");
return (ret);
}
png_voidp PNGAPI
png_malloc_default(png_structp png_ptr, png_alloc_size_t size)
PNG_FUNCTION(png_voidp,PNGAPI
png_malloc_default,(png_structp png_ptr, png_alloc_size_t size),PNG_ALLOCATED)
{
png_voidp ret;
#endif /* PNG_USER_MEM_SUPPORTED */
# endif /* PNG_USER_MEM_SUPPORTED */
if (png_ptr == NULL || size == 0)
return (NULL);
#ifdef PNG_MAX_MALLOC_64K
# ifdef PNG_MAX_MALLOC_64K
if (size > (png_uint_32)65536L)
{
#ifndef PNG_USER_MEM_SUPPORTED
# ifndef PNG_USER_MEM_SUPPORTED
if ((png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0)
png_error(png_ptr, "Cannot Allocate > 64K");
else
#endif
# endif
return NULL;
}
#endif
# endif
/* Check for overflow */
#if defined(__TURBOC__) && !defined(__FLAT__)
# if defined(__TURBOC__) && !defined(__FLAT__)
if (size != (unsigned long)size)
ret = NULL;
else
ret = farmalloc(size);
#else
# if defined(_MSC_VER) && defined(MAXSEG_64K)
# else
# if defined(_MSC_VER) && defined(MAXSEG_64K)
if (size != (unsigned long)size)
ret = NULL;
else
ret = halloc(size, 1);
# else
# else
if (size != (size_t)size)
ret = NULL;
else
ret = malloc((size_t)size);
# endif
#endif
# endif
# endif
#ifndef PNG_USER_MEM_SUPPORTED
# ifndef PNG_USER_MEM_SUPPORTED
if (ret == NULL && (png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0)
png_error(png_ptr, "Out of Memory");
#endif
# endif
return (ret);
}
@@ -529,34 +580,38 @@ png_free(png_structp png_ptr, png_voidp ptr)
if (png_ptr == NULL || ptr == NULL)
return;
#ifdef PNG_USER_MEM_SUPPORTED
# ifdef PNG_USER_MEM_SUPPORTED
if (png_ptr->free_fn != NULL)
{
(*(png_ptr->free_fn))(png_ptr, ptr);
return;
}
else
png_free_default(png_ptr, ptr);
}
void PNGAPI
png_free_default(png_structp png_ptr, png_voidp ptr)
{
if (png_ptr == NULL || ptr == NULL)
return;
#endif /* PNG_USER_MEM_SUPPORTED */
# endif /* PNG_USER_MEM_SUPPORTED */
#if defined(__TURBOC__) && !defined(__FLAT__)
# if defined(__TURBOC__) && !defined(__FLAT__)
farfree(ptr);
#else
# if defined(_MSC_VER) && defined(MAXSEG_64K)
hfree(ptr);
# else
free(ptr);
# endif
#endif
}
# else
# if defined(_MSC_VER) && defined(MAXSEG_64K)
hfree(ptr);
# else
free(ptr);
# endif
# endif
}
#endif /* Not Borland DOS special memory handler */
/* This function was added at libpng version 1.2.3. The png_malloc_warn()
@@ -564,8 +619,8 @@ png_free_default(png_structp png_ptr, png_voidp ptr)
* instead of issuing a png_error, if it fails to allocate the requested
* memory.
*/
png_voidp PNGAPI
png_malloc_warn(png_structp png_ptr, png_alloc_size_t size)
PNG_FUNCTION(png_voidp,PNGAPI
png_malloc_warn,(png_structp png_ptr, png_alloc_size_t size),PNG_ALLOCATED)
{
png_voidp ptr;
png_uint_32 save_flags;
@@ -601,10 +656,11 @@ png_set_mem_fn(png_structp png_ptr, png_voidp mem_ptr, png_malloc_ptr
* pointer before png_write_destroy and png_read_destroy are called.
*/
png_voidp PNGAPI
png_get_mem_ptr(png_structp png_ptr)
png_get_mem_ptr(png_const_structp png_ptr)
{
if (png_ptr == NULL)
return (NULL);
return ((png_voidp)png_ptr->mem_ptr);
}
#endif /* PNG_USER_MEM_SUPPORTED */

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src/png/pngpread.c
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src/png/pngpriv.h
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src/png/pngread.c
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41
src/png/pngrio.c
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@@ -1,8 +1,8 @@
/* pngrio.c - functions for data input
*
* Last changed in libpng 1.4.1 [February 25, 2010]
* Copyright (c) 1998-2010 Glenn Randers-Pehrson
* Last changed in libpng 1.5.0 [January 6, 2011]
* Copyright (c) 1998-2011 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
*
@@ -18,11 +18,10 @@
* libpng use it at run time with png_set_read_fn(...).
*/
#define PNG_NO_PEDANTIC_WARNINGS
#include "png.h"
#ifdef PNG_READ_SUPPORTED
#include "pngpriv.h"
#ifdef PNG_READ_SUPPORTED
/* Read the data from whatever input you are using. The default routine
* reads from a file pointer. Note that this routine sometimes gets called
* with very small lengths, so you should implement some kind of simple
@@ -33,9 +32,10 @@ void /* PRIVATE */
png_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
{
png_debug1(4, "reading %d bytes", (int)length);
if (png_ptr->read_data_fn != NULL)
(*(png_ptr->read_data_fn))(png_ptr, data, length);
else
png_error(png_ptr, "Call to NULL read function");
}
@@ -46,14 +46,15 @@ png_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
* read_data function and use it at run time with png_set_read_fn(), rather
* than changing the library.
*/
#ifndef USE_FAR_KEYWORD
void PNGAPI
# ifndef USE_FAR_KEYWORD
void PNGCBAPI
png_default_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
{
png_size_t check;
if (png_ptr == NULL)
return;
/* fread() returns 0 on error, so it is OK to store this in a png_size_t
* instead of an int, which is what fread() actually returns.
*/
@@ -62,7 +63,7 @@ png_default_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
if (check != length)
png_error(png_ptr, "Read Error");
}
#else
# else
/* This is the model-independent version. Since the standard I/O library
can't handle far buffers in the medium and small models, we have to copy
the data.
@@ -71,7 +72,7 @@ png_default_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
#define NEAR_BUF_SIZE 1024
#define MIN(a,b) (a <= b ? a : b)
static void PNGAPI
static void PNGCBAPI
png_default_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
{
png_size_t check;
@@ -80,46 +81,57 @@ png_default_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
if (png_ptr == NULL)
return;
/* Check if data really is near. If so, use usual code. */
n_data = (png_byte *)CVT_PTR_NOCHECK(data);
io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr);
if ((png_bytep)n_data == data)
{
check = fread(n_data, 1, length, io_ptr);
}
else
{
png_byte buf[NEAR_BUF_SIZE];
png_size_t read, remaining, err;
check = 0;
remaining = length;
do
{
read = MIN(NEAR_BUF_SIZE, remaining);
err = fread(buf, 1, read, io_ptr);
png_memcpy(data, buf, read); /* copy far buffer to near buffer */
if (err != read)
break;
else
check += err;
data += read;
remaining -= read;
}
while (remaining != 0);
}
if ((png_uint_32)check != (png_uint_32)length)
png_error(png_ptr, "read Error");
}
#endif
# endif
#endif
/* This function allows the application to supply a new input function
* for libpng if standard C streams aren't being used.
*
* This function takes as its arguments:
*
* png_ptr - pointer to a png input data structure
*
* io_ptr - pointer to user supplied structure containing info about
* the input functions. May be NULL.
*
* read_data_fn - pointer to a new input function that takes as its
* arguments a pointer to a png_struct, a pointer to
* a location where input data can be stored, and a 32-bit
@@ -135,11 +147,13 @@ png_set_read_fn(png_structp png_ptr, png_voidp io_ptr,
{
if (png_ptr == NULL)
return;
png_ptr->io_ptr = io_ptr;
#ifdef PNG_STDIO_SUPPORTED
if (read_data_fn != NULL)
png_ptr->read_data_fn = read_data_fn;
else
png_ptr->read_data_fn = png_default_read_data;
#else
@@ -151,9 +165,8 @@ png_set_read_fn(png_structp png_ptr, png_voidp io_ptr,
{
png_ptr->write_data_fn = NULL;
png_warning(png_ptr,
"It's an error to set both read_data_fn and write_data_fn in the ");
png_warning(png_ptr,
"same structure. Resetting write_data_fn to NULL");
"Can't set both read_data_fn and write_data_fn in the"
" same structure");
}
#ifdef PNG_WRITE_FLUSH_SUPPORTED

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357
src/png/pngstruct.h Normal file
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@@ -0,0 +1,357 @@
/* pngstruct.h - header file for PNG reference library
*
* Copyright (c) 1998-2011 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
*
* Last changed in libpng 1.5.5 [September 22, 2011]
*
* This code is released under the libpng license.
* For conditions of distribution and use, see the disclaimer
* and license in png.h
*/
/* The structure that holds the information to read and write PNG files.
* The only people who need to care about what is inside of this are the
* people who will be modifying the library for their own special needs.
* It should NOT be accessed directly by an application.
*/
#ifndef PNGSTRUCT_H
#define PNGSTRUCT_H
/* zlib.h defines the structure z_stream, an instance of which is included
* in this structure and is required for decompressing the LZ compressed
* data in PNG files.
*/
#include "zlib.h"
struct png_struct_def
{
#ifdef PNG_SETJMP_SUPPORTED
jmp_buf longjmp_buffer; /* used in png_error */
png_longjmp_ptr longjmp_fn;/* setjmp non-local goto function. */
#endif
png_error_ptr error_fn; /* function for printing errors and aborting */
#ifdef PNG_WARNINGS_SUPPORTED
png_error_ptr warning_fn; /* function for printing warnings */
#endif
png_voidp error_ptr; /* user supplied struct for error functions */
png_rw_ptr write_data_fn; /* function for writing output data */
png_rw_ptr read_data_fn; /* function for reading input data */
png_voidp io_ptr; /* ptr to application struct for I/O functions */
#ifdef PNG_READ_USER_TRANSFORM_SUPPORTED
png_user_transform_ptr read_user_transform_fn; /* user read transform */
#endif
#ifdef PNG_WRITE_USER_TRANSFORM_SUPPORTED
png_user_transform_ptr write_user_transform_fn; /* user write transform */
#endif
/* These were added in libpng-1.0.2 */
#ifdef PNG_USER_TRANSFORM_PTR_SUPPORTED
#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \
defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
png_voidp user_transform_ptr; /* user supplied struct for user transform */
png_byte user_transform_depth; /* bit depth of user transformed pixels */
png_byte user_transform_channels; /* channels in user transformed pixels */
#endif
#endif
png_uint_32 mode; /* tells us where we are in the PNG file */
png_uint_32 flags; /* flags indicating various things to libpng */
png_uint_32 transformations; /* which transformations to perform */
z_stream zstream; /* pointer to decompression structure (below) */
png_bytep zbuf; /* buffer for zlib */
uInt zbuf_size; /* size of zbuf (typically 65536) */
#ifdef PNG_WRITE_SUPPORTED
/* Added in 1.5.4: state to keep track of whether the zstream has been
* initialized and if so whether it is for IDAT or some other chunk.
*/
#define PNG_ZLIB_UNINITIALIZED 0
#define PNG_ZLIB_FOR_IDAT 1
#define PNG_ZLIB_FOR_TEXT 2 /* anything other than IDAT */
#define PNG_ZLIB_USE_MASK 3 /* bottom two bits */
#define PNG_ZLIB_IN_USE 4 /* a flag value */
png_uint_32 zlib_state; /* State of zlib initialization */
/* End of material added at libpng 1.5.4 */
int zlib_level; /* holds zlib compression level */
int zlib_method; /* holds zlib compression method */
int zlib_window_bits; /* holds zlib compression window bits */
int zlib_mem_level; /* holds zlib compression memory level */
int zlib_strategy; /* holds zlib compression strategy */
#endif
/* Added at libpng 1.5.4 */
#if defined(PNG_WRITE_COMPRESSED_TEXT_SUPPORTED) || \
defined(PNG_WRITE_CUSTOMIZE_ZTXT_COMPRESSION_SUPPORTED)
int zlib_text_level; /* holds zlib compression level */
int zlib_text_method; /* holds zlib compression method */
int zlib_text_window_bits; /* holds zlib compression window bits */
int zlib_text_mem_level; /* holds zlib compression memory level */
int zlib_text_strategy; /* holds zlib compression strategy */
#endif
/* End of material added at libpng 1.5.4 */
png_uint_32 width; /* width of image in pixels */
png_uint_32 height; /* height of image in pixels */
png_uint_32 num_rows; /* number of rows in current pass */
png_uint_32 usr_width; /* width of row at start of write */
png_size_t rowbytes; /* size of row in bytes */
png_uint_32 iwidth; /* width of current interlaced row in pixels */
png_uint_32 row_number; /* current row in interlace pass */
png_uint_32 chunk_name; /* PNG_CHUNK() id of current chunk */
png_bytep prev_row; /* buffer to save previous (unfiltered) row.
* This is a pointer into big_prev_row
*/
png_bytep row_buf; /* buffer to save current (unfiltered) row.
* This is a pointer into big_row_buf
*/
png_bytep sub_row; /* buffer to save "sub" row when filtering */
png_bytep up_row; /* buffer to save "up" row when filtering */
png_bytep avg_row; /* buffer to save "avg" row when filtering */
png_bytep paeth_row; /* buffer to save "Paeth" row when filtering */
png_size_t info_rowbytes; /* Added in 1.5.4: cache of updated row bytes */
png_uint_32 idat_size; /* current IDAT size for read */
png_uint_32 crc; /* current chunk CRC value */
png_colorp palette; /* palette from the input file */
png_uint_16 num_palette; /* number of color entries in palette */
png_uint_16 num_trans; /* number of transparency values */
png_byte compression; /* file compression type (always 0) */
png_byte filter; /* file filter type (always 0) */
png_byte interlaced; /* PNG_INTERLACE_NONE, PNG_INTERLACE_ADAM7 */
png_byte pass; /* current interlace pass (0 - 6) */
png_byte do_filter; /* row filter flags (see PNG_FILTER_ below ) */
png_byte color_type; /* color type of file */
png_byte bit_depth; /* bit depth of file */
png_byte usr_bit_depth; /* bit depth of users row: write only */
png_byte pixel_depth; /* number of bits per pixel */
png_byte channels; /* number of channels in file */
png_byte usr_channels; /* channels at start of write: write only */
png_byte sig_bytes; /* magic bytes read/written from start of file */
png_byte maximum_pixel_depth;
/* pixel depth used for the row buffers */
png_byte transformed_pixel_depth;
/* pixel depth after read/write transforms */
png_byte io_chunk_string[5];
/* string name of chunk */
#if defined(PNG_READ_FILLER_SUPPORTED) || defined(PNG_WRITE_FILLER_SUPPORTED)
png_uint_16 filler; /* filler bytes for pixel expansion */
#endif
#if defined(PNG_bKGD_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED) ||\
defined(PNG_READ_ALPHA_MODE_SUPPORTED)
png_byte background_gamma_type;
png_fixed_point background_gamma;
png_color_16 background; /* background color in screen gamma space */
#ifdef PNG_READ_GAMMA_SUPPORTED
png_color_16 background_1; /* background normalized to gamma 1.0 */
#endif
#endif /* PNG_bKGD_SUPPORTED */
#ifdef PNG_WRITE_FLUSH_SUPPORTED
png_flush_ptr output_flush_fn; /* Function for flushing output */
png_uint_32 flush_dist; /* how many rows apart to flush, 0 - no flush */
png_uint_32 flush_rows; /* number of rows written since last flush */
#endif
#ifdef PNG_READ_GAMMA_SUPPORTED
int gamma_shift; /* number of "insignificant" bits in 16-bit gamma */
png_fixed_point gamma; /* file gamma value */
png_fixed_point screen_gamma; /* screen gamma value (display_exponent) */
png_bytep gamma_table; /* gamma table for 8-bit depth files */
png_uint_16pp gamma_16_table; /* gamma table for 16-bit depth files */
#if defined(PNG_READ_BACKGROUND_SUPPORTED) || \
defined(PNG_READ_ALPHA_MODE_SUPPORTED) || \
defined(PNG_READ_RGB_TO_GRAY_SUPPORTED)
png_bytep gamma_from_1; /* converts from 1.0 to screen */
png_bytep gamma_to_1; /* converts from file to 1.0 */
png_uint_16pp gamma_16_from_1; /* converts from 1.0 to screen */
png_uint_16pp gamma_16_to_1; /* converts from file to 1.0 */
#endif /* READ_BACKGROUND || READ_ALPHA_MODE || RGB_TO_GRAY */
#endif
#if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_sBIT_SUPPORTED)
png_color_8 sig_bit; /* significant bits in each available channel */
#endif
#if defined(PNG_READ_SHIFT_SUPPORTED) || defined(PNG_WRITE_SHIFT_SUPPORTED)
png_color_8 shift; /* shift for significant bit tranformation */
#endif
#if defined(PNG_tRNS_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED) \
|| defined(PNG_READ_EXPAND_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED)
png_bytep trans_alpha; /* alpha values for paletted files */
png_color_16 trans_color; /* transparent color for non-paletted files */
#endif
png_read_status_ptr read_row_fn; /* called after each row is decoded */
png_write_status_ptr write_row_fn; /* called after each row is encoded */
#ifdef PNG_PROGRESSIVE_READ_SUPPORTED
png_progressive_info_ptr info_fn; /* called after header data fully read */
png_progressive_row_ptr row_fn; /* called after a prog. row is decoded */
png_progressive_end_ptr end_fn; /* called after image is complete */
png_bytep save_buffer_ptr; /* current location in save_buffer */
png_bytep save_buffer; /* buffer for previously read data */
png_bytep current_buffer_ptr; /* current location in current_buffer */
png_bytep current_buffer; /* buffer for recently used data */
png_uint_32 push_length; /* size of current input chunk */
png_uint_32 skip_length; /* bytes to skip in input data */
png_size_t save_buffer_size; /* amount of data now in save_buffer */
png_size_t save_buffer_max; /* total size of save_buffer */
png_size_t buffer_size; /* total amount of available input data */
png_size_t current_buffer_size; /* amount of data now in current_buffer */
int process_mode; /* what push library is currently doing */
int cur_palette; /* current push library palette index */
# ifdef PNG_TEXT_SUPPORTED
png_size_t current_text_size; /* current size of text input data */
png_size_t current_text_left; /* how much text left to read in input */
png_charp current_text; /* current text chunk buffer */
png_charp current_text_ptr; /* current location in current_text */
# endif /* PNG_PROGRESSIVE_READ_SUPPORTED && PNG_TEXT_SUPPORTED */
#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */
#if defined(__TURBOC__) && !defined(_Windows) && !defined(__FLAT__)
/* For the Borland special 64K segment handler */
png_bytepp offset_table_ptr;
png_bytep offset_table;
png_uint_16 offset_table_number;
png_uint_16 offset_table_count;
png_uint_16 offset_table_count_free;
#endif
#ifdef PNG_READ_QUANTIZE_SUPPORTED
png_bytep palette_lookup; /* lookup table for quantizing */
png_bytep quantize_index; /* index translation for palette files */
#endif
#if defined(PNG_READ_QUANTIZE_SUPPORTED) || defined(PNG_hIST_SUPPORTED)
png_uint_16p hist; /* histogram */
#endif
#ifdef PNG_WRITE_WEIGHTED_FILTER_SUPPORTED
png_byte heuristic_method; /* heuristic for row filter selection */
png_byte num_prev_filters; /* number of weights for previous rows */
png_bytep prev_filters; /* filter type(s) of previous row(s) */
png_uint_16p filter_weights; /* weight(s) for previous line(s) */
png_uint_16p inv_filter_weights; /* 1/weight(s) for previous line(s) */
png_uint_16p filter_costs; /* relative filter calculation cost */
png_uint_16p inv_filter_costs; /* 1/relative filter calculation cost */
#endif
#ifdef PNG_TIME_RFC1123_SUPPORTED
char time_buffer[29]; /* String to hold RFC 1123 time text */
#endif
/* New members added in libpng-1.0.6 */
png_uint_32 free_me; /* flags items libpng is responsible for freeing */
#ifdef PNG_USER_CHUNKS_SUPPORTED
png_voidp user_chunk_ptr;
png_user_chunk_ptr read_user_chunk_fn; /* user read chunk handler */
#endif
#ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED
int num_chunk_list;
png_bytep chunk_list;
#endif
#ifdef PNG_READ_sRGB_SUPPORTED
/* Added in 1.5.5 to record an sRGB chunk in the png. */
png_byte is_sRGB;
#endif
/* New members added in libpng-1.0.3 */
#ifdef PNG_READ_RGB_TO_GRAY_SUPPORTED
png_byte rgb_to_gray_status;
/* Added in libpng 1.5.5 to record setting of coefficients: */
png_byte rgb_to_gray_coefficients_set;
/* These were changed from png_byte in libpng-1.0.6 */
png_uint_16 rgb_to_gray_red_coeff;
png_uint_16 rgb_to_gray_green_coeff;
/* deleted in 1.5.5: rgb_to_gray_blue_coeff; */
#endif
/* New member added in libpng-1.0.4 (renamed in 1.0.9) */
#if defined(PNG_MNG_FEATURES_SUPPORTED) || \
defined(PNG_READ_EMPTY_PLTE_SUPPORTED) || \
defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED)
/* Changed from png_byte to png_uint_32 at version 1.2.0 */
png_uint_32 mng_features_permitted;
#endif
/* New member added in libpng-1.0.9, ifdef'ed out in 1.0.12, enabled in 1.2.0 */
#ifdef PNG_MNG_FEATURES_SUPPORTED
png_byte filter_type;
#endif
/* New members added in libpng-1.2.0 */
/* New members added in libpng-1.0.2 but first enabled by default in 1.2.0 */
#ifdef PNG_USER_MEM_SUPPORTED
png_voidp mem_ptr; /* user supplied struct for mem functions */
png_malloc_ptr malloc_fn; /* function for allocating memory */
png_free_ptr free_fn; /* function for freeing memory */
#endif
/* New member added in libpng-1.0.13 and 1.2.0 */
png_bytep big_row_buf; /* buffer to save current (unfiltered) row */
#ifdef PNG_READ_QUANTIZE_SUPPORTED
/* The following three members were added at version 1.0.14 and 1.2.4 */
png_bytep quantize_sort; /* working sort array */
png_bytep index_to_palette; /* where the original index currently is
in the palette */
png_bytep palette_to_index; /* which original index points to this
palette color */
#endif
/* New members added in libpng-1.0.16 and 1.2.6 */
png_byte compression_type;
#ifdef PNG_USER_LIMITS_SUPPORTED
png_uint_32 user_width_max;
png_uint_32 user_height_max;
/* Added in libpng-1.4.0: Total number of sPLT, text, and unknown
* chunks that can be stored (0 means unlimited).
*/
png_uint_32 user_chunk_cache_max;
/* Total memory that a zTXt, sPLT, iTXt, iCCP, or unknown chunk
* can occupy when decompressed. 0 means unlimited.
*/
png_alloc_size_t user_chunk_malloc_max;
#endif
/* New member added in libpng-1.0.25 and 1.2.17 */
#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED
/* Storage for unknown chunk that the library doesn't recognize. */
png_unknown_chunk unknown_chunk;
#endif
/* New member added in libpng-1.2.26 */
png_size_t old_big_row_buf_size;
/* New member added in libpng-1.2.30 */
png_charp chunkdata; /* buffer for reading chunk data */
#ifdef PNG_IO_STATE_SUPPORTED
/* New member added in libpng-1.4.0 */
png_uint_32 io_state;
#endif
/* New member added in libpng-1.5.6 */
png_bytep big_prev_row;
};
#endif /* PNGSTRUCT_H */

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src/png/pngtest.c
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361
src/png/pngtrans.c
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@@ -1,8 +1,8 @@
/* pngtrans.c - transforms the data in a row (used by both readers and writers)
*
* Last changed in libpng 1.4.2 [April 29, 2010]
* Copyright (c) 1998-2010 Glenn Randers-Pehrson
* Last changed in libpng 1.5.4 [July 7, 2011]
* Copyright (c) 1998-2011 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
*
@@ -11,11 +11,10 @@
* and license in png.h
*/
#define PNG_NO_PEDANTIC_WARNINGS
#include "png.h"
#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED)
#include "pngpriv.h"
#if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED)
#if defined(PNG_READ_BGR_SUPPORTED) || defined(PNG_WRITE_BGR_SUPPORTED)
/* Turn on BGR-to-RGB mapping */
void PNGAPI
@@ -25,6 +24,7 @@ png_set_bgr(png_structp png_ptr)
if (png_ptr == NULL)
return;
png_ptr->transformations |= PNG_BGR;
}
#endif
@@ -38,6 +38,7 @@ png_set_swap(png_structp png_ptr)
if (png_ptr == NULL)
return;
if (png_ptr->bit_depth == 16)
png_ptr->transformations |= PNG_SWAP_BYTES;
}
@@ -52,6 +53,7 @@ png_set_packing(png_structp png_ptr)
if (png_ptr == NULL)
return;
if (png_ptr->bit_depth < 8)
{
png_ptr->transformations |= PNG_PACK;
@@ -69,6 +71,7 @@ png_set_packswap(png_structp png_ptr)
if (png_ptr == NULL)
return;
if (png_ptr->bit_depth < 8)
png_ptr->transformations |= PNG_PACKSWAP;
}
@@ -76,12 +79,13 @@ png_set_packswap(png_structp png_ptr)
#if defined(PNG_READ_SHIFT_SUPPORTED) || defined(PNG_WRITE_SHIFT_SUPPORTED)
void PNGAPI
png_set_shift(png_structp png_ptr, png_color_8p true_bits)
png_set_shift(png_structp png_ptr, png_const_color_8p true_bits)
{
png_debug(1, "in png_set_shift");
if (png_ptr == NULL)
return;
png_ptr->transformations |= PNG_SHIFT;
png_ptr->shift = *true_bits;
}
@@ -117,10 +121,13 @@ png_set_filler(png_structp png_ptr, png_uint_32 filler, int filler_loc)
if (png_ptr == NULL)
return;
png_ptr->transformations |= PNG_FILLER;
png_ptr->filler = (png_uint_16)filler;
if (filler_loc == PNG_FILLER_AFTER)
png_ptr->flags |= PNG_FLAG_FILLER_AFTER;
else
png_ptr->flags &= ~PNG_FLAG_FILLER_AFTER;
@@ -135,7 +142,7 @@ png_set_filler(png_structp png_ptr, png_uint_32 filler, int filler_loc)
}
/* Also I added this in libpng-1.0.2a (what happens when we expand
* a less-than-8-bit grayscale to GA? */
* a less-than-8-bit grayscale to GA?) */
if (png_ptr->color_type == PNG_COLOR_TYPE_GRAY && png_ptr->bit_depth >= 8)
{
@@ -151,6 +158,7 @@ png_set_add_alpha(png_structp png_ptr, png_uint_32 filler, int filler_loc)
if (png_ptr == NULL)
return;
png_set_filler(png_ptr, filler, filler_loc);
png_ptr->transformations |= PNG_ADD_ALPHA;
}
@@ -166,6 +174,7 @@ png_set_swap_alpha(png_structp png_ptr)
if (png_ptr == NULL)
return;
png_ptr->transformations |= PNG_SWAP_ALPHA;
}
#endif
@@ -179,6 +188,7 @@ png_set_invert_alpha(png_structp png_ptr)
if (png_ptr == NULL)
return;
png_ptr->transformations |= PNG_INVERT_ALPHA;
}
#endif
@@ -191,6 +201,7 @@ png_set_invert_mono(png_structp png_ptr)
if (png_ptr == NULL)
return;
png_ptr->transformations |= PNG_INVERT_MONO;
}
@@ -206,8 +217,8 @@ png_do_invert(png_row_infop row_info, png_bytep row)
if (row_info->color_type == PNG_COLOR_TYPE_GRAY)
{
png_bytep rp = row;
png_uint_32 i;
png_uint_32 istop = row_info->rowbytes;
png_size_t i;
png_size_t istop = row_info->rowbytes;
for (i = 0; i < istop; i++)
{
@@ -215,36 +226,41 @@ png_do_invert(png_row_infop row_info, png_bytep row)
rp++;
}
}
else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA &&
row_info->bit_depth == 8)
{
png_bytep rp = row;
png_uint_32 i;
png_uint_32 istop = row_info->rowbytes;
png_size_t i;
png_size_t istop = row_info->rowbytes;
for (i = 0; i < istop; i+=2)
for (i = 0; i < istop; i += 2)
{
*rp = (png_byte)(~(*rp));
rp+=2;
rp += 2;
}
}
#ifdef PNG_16BIT_SUPPORTED
else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA &&
row_info->bit_depth == 16)
{
png_bytep rp = row;
png_uint_32 i;
png_uint_32 istop = row_info->rowbytes;
png_size_t i;
png_size_t istop = row_info->rowbytes;
for (i = 0; i < istop; i+=4)
for (i = 0; i < istop; i += 4)
{
*rp = (png_byte)(~(*rp));
*(rp+1) = (png_byte)(~(*(rp+1)));
rp+=4;
*(rp + 1) = (png_byte)(~(*(rp + 1)));
rp += 4;
}
}
#endif
}
#endif
#ifdef PNG_16BIT_SUPPORTED
#if defined(PNG_READ_SWAP_SUPPORTED) || defined(PNG_WRITE_SWAP_SUPPORTED)
/* Swaps byte order on 16 bit depth images */
void /* PRIVATE */
@@ -252,8 +268,7 @@ png_do_swap(png_row_infop row_info, png_bytep row)
{
png_debug(1, "in png_do_swap");
if (
row_info->bit_depth == 16)
if (row_info->bit_depth == 16)
{
png_bytep rp = row;
png_uint_32 i;
@@ -268,6 +283,7 @@ png_do_swap(png_row_infop row_info, png_bytep row)
}
}
#endif
#endif
#if defined(PNG_READ_PACKSWAP_SUPPORTED)||defined(PNG_WRITE_PACKSWAP_SUPPORTED)
static PNG_CONST png_byte onebppswaptable[256] = {
@@ -381,19 +397,22 @@ png_do_packswap(png_row_infop row_info, png_bytep row)
{
png_debug(1, "in png_do_packswap");
if (
row_info->bit_depth < 8)
if (row_info->bit_depth < 8)
{
png_bytep rp, end, table;
png_bytep rp;
png_const_bytep end, table;
end = row + row_info->rowbytes;
if (row_info->bit_depth == 1)
table = (png_bytep)onebppswaptable;
table = onebppswaptable;
else if (row_info->bit_depth == 2)
table = (png_bytep)twobppswaptable;
table = twobppswaptable;
else if (row_info->bit_depth == 4)
table = (png_bytep)fourbppswaptable;
table = fourbppswaptable;
else
return;
@@ -405,158 +424,119 @@ png_do_packswap(png_row_infop row_info, png_bytep row)
#if defined(PNG_WRITE_FILLER_SUPPORTED) || \
defined(PNG_READ_STRIP_ALPHA_SUPPORTED)
/* Remove filler or alpha byte(s) */
/* Remove a channel - this used to be 'png_do_strip_filler' but it used a
* somewhat weird combination of flags to determine what to do. All the calls
* to png_do_strip_filler are changed in 1.5.2 to call this instead with the
* correct arguments.
*
* The routine isn't general - the channel must be the channel at the start or
* end (not in the middle) of each pixel.
*/
void /* PRIVATE */
png_do_strip_filler(png_row_infop row_info, png_bytep row, png_uint_32 flags)
png_do_strip_channel(png_row_infop row_info, png_bytep row, int at_start)
{
png_debug(1, "in png_do_strip_filler");
png_bytep sp = row; /* source pointer */
png_bytep dp = row; /* destination pointer */
png_bytep ep = row + row_info->rowbytes; /* One beyond end of row */
/* At the start sp will point to the first byte to copy and dp to where
* it is copied to. ep always points just beyond the end of the row, so
* the loop simply copies (channels-1) channels until sp reaches ep.
*
* at_start: 0 -- convert AG, XG, ARGB, XRGB, AAGG, XXGG, etc.
* nonzero -- convert GA, GX, RGBA, RGBX, GGAA, RRGGBBXX, etc.
*/
/* GA, GX, XG cases */
if (row_info->channels == 2)
{
png_bytep sp=row;
png_bytep dp=row;
png_uint_32 row_width=row_info->width;
png_uint_32 i;
if ((row_info->color_type == PNG_COLOR_TYPE_RGB ||
(row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA &&
(flags & PNG_FLAG_STRIP_ALPHA))) &&
row_info->channels == 4)
if (row_info->bit_depth == 8)
{
if (row_info->bit_depth == 8)
{
/* This converts from RGBX or RGBA to RGB */
if (flags & PNG_FLAG_FILLER_AFTER)
{
dp+=3; sp+=4;
for (i = 1; i < row_width; i++)
{
*dp++ = *sp++;
*dp++ = *sp++;
*dp++ = *sp++;
sp++;
}
}
/* This converts from XRGB or ARGB to RGB */
else
{
for (i = 0; i < row_width; i++)
{
sp++;
*dp++ = *sp++;
*dp++ = *sp++;
*dp++ = *sp++;
}
}
row_info->pixel_depth = 24;
row_info->rowbytes = row_width * 3;
}
else /* if (row_info->bit_depth == 16) */
{
if (flags & PNG_FLAG_FILLER_AFTER)
{
/* This converts from RRGGBBXX or RRGGBBAA to RRGGBB */
sp += 8; dp += 6;
for (i = 1; i < row_width; i++)
{
/* This could be (although png_memcpy is probably slower):
png_memcpy(dp, sp, 6);
sp += 8;
dp += 6;
*/
if (at_start) /* Skip initial filler */
++sp;
else /* Skip initial channel and, for sp, the filler */
sp += 2, ++dp;
*dp++ = *sp++;
*dp++ = *sp++;
*dp++ = *sp++;
*dp++ = *sp++;
*dp++ = *sp++;
*dp++ = *sp++;
sp += 2;
}
}
else
{
/* This converts from XXRRGGBB or AARRGGBB to RRGGBB */
for (i = 0; i < row_width; i++)
{
/* This could be (although png_memcpy is probably slower):
png_memcpy(dp, sp, 6);
sp += 8;
dp += 6;
*/
/* For a 1 pixel wide image there is nothing to do */
while (sp < ep)
*dp++ = *sp, sp += 2;
sp+=2;
*dp++ = *sp++;
*dp++ = *sp++;
*dp++ = *sp++;
*dp++ = *sp++;
*dp++ = *sp++;
*dp++ = *sp++;
}
}
row_info->pixel_depth = 48;
row_info->rowbytes = row_width * 6;
}
row_info->channels = 3;
row_info->pixel_depth = 8;
}
else if ((row_info->color_type == PNG_COLOR_TYPE_GRAY ||
(row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA &&
(flags & PNG_FLAG_STRIP_ALPHA))) &&
row_info->channels == 2)
else if (row_info->bit_depth == 16)
{
if (row_info->bit_depth == 8)
{
/* This converts from GX or GA to G */
if (flags & PNG_FLAG_FILLER_AFTER)
{
for (i = 0; i < row_width; i++)
{
*dp++ = *sp++;
sp++;
}
}
/* This converts from XG or AG to G */
else
{
for (i = 0; i < row_width; i++)
{
sp++;
*dp++ = *sp++;
}
}
row_info->pixel_depth = 8;
row_info->rowbytes = row_width;
}
else /* if (row_info->bit_depth == 16) */
{
if (flags & PNG_FLAG_FILLER_AFTER)
{
/* This converts from GGXX or GGAA to GG */
sp += 4; dp += 2;
for (i = 1; i < row_width; i++)
{
*dp++ = *sp++;
*dp++ = *sp++;
sp += 2;
}
}
else
{
/* This converts from XXGG or AAGG to GG */
for (i = 0; i < row_width; i++)
{
sp += 2;
*dp++ = *sp++;
*dp++ = *sp++;
}
}
row_info->pixel_depth = 16;
row_info->rowbytes = row_width * 2;
}
row_info->channels = 1;
if (at_start) /* Skip initial filler */
sp += 2;
else /* Skip initial channel and, for sp, the filler */
sp += 4, dp += 2;
while (sp < ep)
*dp++ = *sp++, *dp++ = *sp, sp += 3;
row_info->pixel_depth = 16;
}
if (flags & PNG_FLAG_STRIP_ALPHA)
row_info->color_type &= ~PNG_COLOR_MASK_ALPHA;
else
return; /* bad bit depth */
row_info->channels = 1;
/* Finally fix the color type if it records an alpha channel */
if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
row_info->color_type = PNG_COLOR_TYPE_GRAY;
}
/* RGBA, RGBX, XRGB cases */
else if (row_info->channels == 4)
{
if (row_info->bit_depth == 8)
{
if (at_start) /* Skip initial filler */
++sp;
else /* Skip initial channels and, for sp, the filler */
sp += 4, dp += 3;
/* Note that the loop adds 3 to dp and 4 to sp each time. */
while (sp < ep)
*dp++ = *sp++, *dp++ = *sp++, *dp++ = *sp, sp += 2;
row_info->pixel_depth = 24;
}
else if (row_info->bit_depth == 16)
{
if (at_start) /* Skip initial filler */
sp += 2;
else /* Skip initial channels and, for sp, the filler */
sp += 8, dp += 6;
while (sp < ep)
{
/* Copy 6 bytes, skip 2 */
*dp++ = *sp++, *dp++ = *sp++;
*dp++ = *sp++, *dp++ = *sp++;
*dp++ = *sp++, *dp++ = *sp, sp += 3;
}
row_info->pixel_depth = 48;
}
else
return; /* bad bit depth */
row_info->channels = 3;
/* Finally fix the color type if it records an alpha channel */
if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)
row_info->color_type = PNG_COLOR_TYPE_RGB;
}
else
return; /* The filler channel has gone already */
/* Fix the rowbytes value. */
row_info->rowbytes = dp-row;
}
#endif
@@ -567,8 +547,7 @@ png_do_bgr(png_row_infop row_info, png_bytep row)
{
png_debug(1, "in png_do_bgr");
if (
(row_info->color_type & PNG_COLOR_MASK_COLOR))
if ((row_info->color_type & PNG_COLOR_MASK_COLOR))
{
png_uint_32 row_width = row_info->width;
if (row_info->bit_depth == 8)
@@ -585,6 +564,7 @@ png_do_bgr(png_row_infop row_info, png_bytep row)
*(rp + 2) = save;
}
}
else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)
{
png_bytep rp;
@@ -598,6 +578,8 @@ png_do_bgr(png_row_infop row_info, png_bytep row)
}
}
}
#ifdef PNG_16BIT_SUPPORTED
else if (row_info->bit_depth == 16)
{
if (row_info->color_type == PNG_COLOR_TYPE_RGB)
@@ -615,6 +597,7 @@ png_do_bgr(png_row_infop row_info, png_bytep row)
*(rp + 5) = save;
}
}
else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)
{
png_bytep rp;
@@ -631,12 +614,14 @@ png_do_bgr(png_row_infop row_info, png_bytep row)
}
}
}
#endif
}
}
#endif /* PNG_READ_BGR_SUPPORTED or PNG_WRITE_BGR_SUPPORTED */
#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \
defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
#ifdef PNG_USER_TRANSFORM_PTR_SUPPORTED
void PNGAPI
png_set_user_transform_info(png_structp png_ptr, png_voidp
user_transform_ptr, int user_transform_depth, int user_transform_channels)
@@ -645,33 +630,49 @@ png_set_user_transform_info(png_structp png_ptr, png_voidp
if (png_ptr == NULL)
return;
#ifdef PNG_USER_TRANSFORM_PTR_SUPPORTED
png_ptr->user_transform_ptr = user_transform_ptr;
png_ptr->user_transform_depth = (png_byte)user_transform_depth;
png_ptr->user_transform_channels = (png_byte)user_transform_channels;
#else
if (user_transform_ptr || user_transform_depth || user_transform_channels)
png_warning(png_ptr,
"This version of libpng does not support user transform info");
#endif
}
#endif
/* This function returns a pointer to the user_transform_ptr associated with
* the user transform functions. The application should free any memory
* associated with this pointer before png_write_destroy and png_read_destroy
* are called.
*/
#ifdef PNG_USER_TRANSFORM_PTR_SUPPORTED
png_voidp PNGAPI
png_get_user_transform_ptr(png_structp png_ptr)
png_get_user_transform_ptr(png_const_structp png_ptr)
{
if (png_ptr == NULL)
return (NULL);
#ifdef PNG_USER_TRANSFORM_PTR_SUPPORTED
return ((png_voidp)png_ptr->user_transform_ptr);
#else
return (NULL);
#endif
}
#endif
#ifdef PNG_USER_TRANSFORM_INFO_SUPPORTED
png_uint_32 PNGAPI
png_get_current_row_number(png_const_structp png_ptr)
{
/* See the comments in png.h - this is the sub-image row when reading and
* interlaced image.
*/
if (png_ptr != NULL)
return png_ptr->row_number;
return PNG_UINT_32_MAX; /* help the app not to fail silently */
}
png_byte PNGAPI
png_get_current_pass_number(png_const_structp png_ptr)
{
if (png_ptr != NULL)
return png_ptr->pass;
return 8; /* invalid */
}
#endif /* PNG_USER_TRANSFORM_INFO_SUPPORTED */
#endif /* PNG_READ_USER_TRANSFORM_SUPPORTED ||
PNG_WRITE_USER_TRANSFORM_SUPPORTED */
#endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */

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src/png/pngwio.c
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@@ -1,8 +1,8 @@
/* pngwio.c - functions for data output
*
* Last changed in libpng 1.4.0 [January 3, 2010]
* Copyright (c) 1998-2010 Glenn Randers-Pehrson
* Last changed in libpng 1.5.0 [January 6, 2011]
* Copyright (c) 1998-2011 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
*
@@ -18,11 +18,10 @@
* them at run time with png_set_write_fn(...).
*/
#define PNG_NO_PEDANTIC_WARNINGS
#include "png.h"
#ifdef PNG_WRITE_SUPPORTED
#include "pngpriv.h"
#ifdef PNG_WRITE_SUPPORTED
/* Write the data to whatever output you are using. The default routine
* writes to a file pointer. Note that this routine sometimes gets called
* with very small lengths, so you should implement some kind of simple
@@ -31,10 +30,12 @@
*/
void /* PRIVATE */
png_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
png_write_data(png_structp png_ptr, png_const_bytep data, png_size_t length)
{
/* NOTE: write_data_fn must not change the buffer! */
if (png_ptr->write_data_fn != NULL )
(*(png_ptr->write_data_fn))(png_ptr, data, length);
(*(png_ptr->write_data_fn))(png_ptr, (png_bytep)data, length);
else
png_error(png_ptr, "Call to NULL write function");
}
@@ -46,14 +47,16 @@ png_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
* than changing the library.
*/
#ifndef USE_FAR_KEYWORD
void PNGAPI
void PNGCBAPI
png_default_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
{
png_uint_32 check;
png_size_t check;
if (png_ptr == NULL)
return;
check = fwrite(data, 1, length, (png_FILE_p)(png_ptr->io_ptr));
if (check != length)
png_error(png_ptr, "Write Error");
}
@@ -66,7 +69,7 @@ png_default_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
#define NEAR_BUF_SIZE 1024
#define MIN(a,b) (a <= b ? a : b)
void PNGAPI
void PNGCBAPI
png_default_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
{
png_uint_32 check;
@@ -75,24 +78,29 @@ png_default_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
if (png_ptr == NULL)
return;
/* Check if data really is near. If so, use usual code. */
near_data = (png_byte *)CVT_PTR_NOCHECK(data);
io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr);
if ((png_bytep)near_data == data)
{
check = fwrite(near_data, 1, length, io_ptr);
}
else
{
png_byte buf[NEAR_BUF_SIZE];
png_size_t written, remaining, err;
check = 0;
remaining = length;
do
{
written = MIN(NEAR_BUF_SIZE, remaining);
png_memcpy(buf, data, written); /* Copy far buffer to near buffer */
err = fwrite(buf, 1, written, io_ptr);
if (err != written)
break;
@@ -104,6 +112,7 @@ png_default_write_data(png_structp png_ptr, png_bytep data, png_size_t length)
}
while (remaining != 0);
}
if (check != length)
png_error(png_ptr, "Write Error");
}
@@ -123,17 +132,19 @@ png_flush(png_structp png_ptr)
(*(png_ptr->output_flush_fn))(png_ptr);
}
#ifdef PNG_STDIO_SUPPORTED
void PNGAPI
# ifdef PNG_STDIO_SUPPORTED
void PNGCBAPI
png_default_flush(png_structp png_ptr)
{
png_FILE_p io_ptr;
if (png_ptr == NULL)
return;
io_ptr = (png_FILE_p)CVT_PTR((png_ptr->io_ptr));
fflush(io_ptr);
}
#endif
# endif
#endif
/* This function allows the application to supply new output functions for
@@ -167,7 +178,7 @@ png_default_flush(png_structp png_ptr)
*/
void PNGAPI
png_set_write_fn(png_structp png_ptr, png_voidp io_ptr,
png_rw_ptr write_data_fn, png_flush_ptr output_flush_fn)
png_rw_ptr write_data_fn, png_flush_ptr output_flush_fn)
{
if (png_ptr == NULL)
return;
@@ -185,30 +196,32 @@ png_set_write_fn(png_structp png_ptr, png_voidp io_ptr,
#endif
#ifdef PNG_WRITE_FLUSH_SUPPORTED
#ifdef PNG_STDIO_SUPPORTED
# ifdef PNG_STDIO_SUPPORTED
if (output_flush_fn != NULL)
png_ptr->output_flush_fn = output_flush_fn;
else
png_ptr->output_flush_fn = png_default_flush;
#else
# else
png_ptr->output_flush_fn = output_flush_fn;
#endif
# endif
#endif /* PNG_WRITE_FLUSH_SUPPORTED */
/* It is an error to read while writing a png file */
if (png_ptr->read_data_fn != NULL)
{
png_ptr->read_data_fn = NULL;
png_warning(png_ptr,
"Attempted to set both read_data_fn and write_data_fn in");
png_warning(png_ptr,
"the same structure. Resetting read_data_fn to NULL");
"Can't set both read_data_fn and write_data_fn in the"
" same structure");
}
}
#ifdef USE_FAR_KEYWORD
#ifdef _MSC_VER
# ifdef _MSC_VER
void *png_far_to_near(png_structp png_ptr, png_voidp ptr, int check)
{
void *near_ptr;
@@ -236,6 +249,6 @@ void *png_far_to_near(png_structp png_ptr, png_voidp ptr, int check)
return(near_ptr);
}
# endif
# endif
# endif
#endif
#endif /* PNG_WRITE_SUPPORTED */

817
src/png/pngwrite.c
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File diff suppressed because it is too large Load Diff

173
src/png/pngwtran.c
View File

@@ -1,8 +1,8 @@
/* pngwtran.c - transforms the data in a row for PNG writers
*
* Last changed in libpng 1.4.1 [February 25, 2010]
* Copyright (c) 1998-2010 Glenn Randers-Pehrson
* Last changed in libpng 1.5.6 [November 3, 2011]
* Copyright (c) 1998-2011 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
*
@@ -11,16 +11,16 @@
* and license in png.h
*/
#define PNG_NO_PEDANTIC_WARNINGS
#include "png.h"
#ifdef PNG_WRITE_SUPPORTED
#include "pngpriv.h"
#ifdef PNG_WRITE_SUPPORTED
#ifdef PNG_WRITE_TRANSFORMS_SUPPORTED
/* Transform the data according to the user's wishes. The order of
* transformations is significant.
*/
void /* PRIVATE */
png_do_write_transformations(png_structp png_ptr)
png_do_write_transformations(png_structp png_ptr, png_row_infop row_info)
{
png_debug(1, "in png_do_write_transformations");
@@ -30,56 +30,65 @@ png_do_write_transformations(png_structp png_ptr)
#ifdef PNG_WRITE_USER_TRANSFORM_SUPPORTED
if (png_ptr->transformations & PNG_USER_TRANSFORM)
if (png_ptr->write_user_transform_fn != NULL)
(*(png_ptr->write_user_transform_fn)) /* User write transform
(*(png_ptr->write_user_transform_fn)) /* User write transform
function */
(png_ptr, /* png_ptr */
&(png_ptr->row_info), /* row_info: */
/* png_uint_32 width; width of row */
/* png_uint_32 rowbytes; number of bytes in row */
/* png_byte color_type; color type of pixels */
/* png_byte bit_depth; bit depth of samples */
/* png_byte channels; number of channels (1-4) */
/* png_byte pixel_depth; bits per pixel (depth*channels) */
png_ptr->row_buf + 1); /* start of pixel data for row */
(png_ptr, /* png_ptr */
row_info, /* row_info: */
/* png_uint_32 width; width of row */
/* png_size_t rowbytes; number of bytes in row */
/* png_byte color_type; color type of pixels */
/* png_byte bit_depth; bit depth of samples */
/* png_byte channels; number of channels (1-4) */
/* png_byte pixel_depth; bits per pixel (depth*channels) */
png_ptr->row_buf + 1); /* start of pixel data for row */
#endif
#ifdef PNG_WRITE_FILLER_SUPPORTED
if (png_ptr->transformations & PNG_FILLER)
png_do_strip_filler(&(png_ptr->row_info), png_ptr->row_buf + 1,
png_ptr->flags);
png_do_strip_channel(row_info, png_ptr->row_buf + 1,
!(png_ptr->flags & PNG_FLAG_FILLER_AFTER));
#endif
#ifdef PNG_WRITE_PACKSWAP_SUPPORTED
if (png_ptr->transformations & PNG_PACKSWAP)
png_do_packswap(&(png_ptr->row_info), png_ptr->row_buf + 1);
png_do_packswap(row_info, png_ptr->row_buf + 1);
#endif
#ifdef PNG_WRITE_PACK_SUPPORTED
if (png_ptr->transformations & PNG_PACK)
png_do_pack(&(png_ptr->row_info), png_ptr->row_buf + 1,
(png_uint_32)png_ptr->bit_depth);
png_do_pack(row_info, png_ptr->row_buf + 1,
(png_uint_32)png_ptr->bit_depth);
#endif
#ifdef PNG_WRITE_SWAP_SUPPORTED
if (png_ptr->transformations & PNG_SWAP_BYTES)
png_do_swap(&(png_ptr->row_info), png_ptr->row_buf + 1);
png_do_swap(row_info, png_ptr->row_buf + 1);
#endif
#ifdef PNG_WRITE_SHIFT_SUPPORTED
if (png_ptr->transformations & PNG_SHIFT)
png_do_shift(&(png_ptr->row_info), png_ptr->row_buf + 1,
&(png_ptr->shift));
png_do_shift(row_info, png_ptr->row_buf + 1,
&(png_ptr->shift));
#endif
#ifdef PNG_WRITE_SWAP_ALPHA_SUPPORTED
if (png_ptr->transformations & PNG_SWAP_ALPHA)
png_do_write_swap_alpha(&(png_ptr->row_info), png_ptr->row_buf + 1);
png_do_write_swap_alpha(row_info, png_ptr->row_buf + 1);
#endif
#ifdef PNG_WRITE_INVERT_ALPHA_SUPPORTED
if (png_ptr->transformations & PNG_INVERT_ALPHA)
png_do_write_invert_alpha(&(png_ptr->row_info), png_ptr->row_buf + 1);
png_do_write_invert_alpha(row_info, png_ptr->row_buf + 1);
#endif
#ifdef PNG_WRITE_BGR_SUPPORTED
if (png_ptr->transformations & PNG_BGR)
png_do_bgr(&(png_ptr->row_info), png_ptr->row_buf + 1);
png_do_bgr(row_info, png_ptr->row_buf + 1);
#endif
#ifdef PNG_WRITE_INVERT_SUPPORTED
if (png_ptr->transformations & PNG_INVERT_MONO)
png_do_invert(&(png_ptr->row_info), png_ptr->row_buf + 1);
png_do_invert(row_info, png_ptr->row_buf + 1);
#endif
}
@@ -114,9 +123,12 @@ png_do_pack(png_row_infop row_info, png_bytep row, png_uint_32 bit_depth)
{
if (*sp != 0)
v |= mask;
sp++;
if (mask > 1)
mask >>= 1;
else
{
mask = 0x80;
@@ -125,10 +137,13 @@ png_do_pack(png_row_infop row_info, png_bytep row, png_uint_32 bit_depth)
v = 0;
}
}
if (mask != 0x80)
*dp = (png_byte)v;
break;
}
case 2:
{
png_bytep sp, dp;
@@ -140,12 +155,14 @@ png_do_pack(png_row_infop row_info, png_bytep row, png_uint_32 bit_depth)
dp = row;
shift = 6;
v = 0;
for (i = 0; i < row_width; i++)
{
png_byte value;
value = (png_byte)(*sp & 0x03);
v |= (value << shift);
if (shift == 0)
{
shift = 6;
@@ -153,14 +170,19 @@ png_do_pack(png_row_infop row_info, png_bytep row, png_uint_32 bit_depth)
dp++;
v = 0;
}
else
shift -= 2;
sp++;
}
if (shift != 6)
*dp = (png_byte)v;
break;
}
case 4:
{
png_bytep sp, dp;
@@ -172,6 +194,7 @@ png_do_pack(png_row_infop row_info, png_bytep row, png_uint_32 bit_depth)
dp = row;
shift = 4;
v = 0;
for (i = 0; i < row_width; i++)
{
png_byte value;
@@ -186,20 +209,27 @@ png_do_pack(png_row_infop row_info, png_bytep row, png_uint_32 bit_depth)
dp++;
v = 0;
}
else
shift -= 4;
sp++;
}
if (shift != 4)
*dp = (png_byte)v;
break;
}
default:
break;
}
row_info->bit_depth = (png_byte)bit_depth;
row_info->pixel_depth = (png_byte)(bit_depth * row_info->channels);
row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth,
row_info->width);
row_info->width);
}
}
#endif
@@ -213,12 +243,12 @@ png_do_pack(png_row_infop row_info, png_bytep row, png_uint_32 bit_depth)
* data to 0 to 15.
*/
void /* PRIVATE */
png_do_shift(png_row_infop row_info, png_bytep row, png_color_8p bit_depth)
png_do_shift(png_row_infop row_info, png_bytep row,
png_const_color_8p bit_depth)
{
png_debug(1, "in png_do_shift");
if (
row_info->color_type != PNG_COLOR_TYPE_PALETTE)
if (row_info->color_type != PNG_COLOR_TYPE_PALETTE)
{
int shift_start[4], shift_dec[4];
int channels = 0;
@@ -228,19 +258,23 @@ png_do_shift(png_row_infop row_info, png_bytep row, png_color_8p bit_depth)
shift_start[channels] = row_info->bit_depth - bit_depth->red;
shift_dec[channels] = bit_depth->red;
channels++;
shift_start[channels] = row_info->bit_depth - bit_depth->green;
shift_dec[channels] = bit_depth->green;
channels++;
shift_start[channels] = row_info->bit_depth - bit_depth->blue;
shift_dec[channels] = bit_depth->blue;
channels++;
}
else
{
shift_start[channels] = row_info->bit_depth - bit_depth->gray;
shift_dec[channels] = bit_depth->gray;
channels++;
}
if (row_info->color_type & PNG_COLOR_MASK_ALPHA)
{
shift_start[channels] = row_info->bit_depth - bit_depth->alpha;
@@ -252,14 +286,16 @@ png_do_shift(png_row_infop row_info, png_bytep row, png_color_8p bit_depth)
if (row_info->bit_depth < 8)
{
png_bytep bp = row;
png_uint_32 i;
png_size_t i;
png_byte mask;
png_uint_32 row_bytes = row_info->rowbytes;
png_size_t row_bytes = row_info->rowbytes;
if (bit_depth->gray == 1 && row_info->bit_depth == 2)
mask = 0x55;
else if (row_info->bit_depth == 4 && bit_depth->gray == 3)
mask = 0x11;
else
mask = 0xff;
@@ -270,15 +306,18 @@ png_do_shift(png_row_infop row_info, png_bytep row, png_color_8p bit_depth)
v = *bp;
*bp = 0;
for (j = shift_start[0]; j > -shift_dec[0]; j -= shift_dec[0])
{
if (j > 0)
*bp |= (png_byte)((v << j) & 0xff);
else
*bp |= (png_byte)((v >> (-j)) & mask);
}
}
}
else if (row_info->bit_depth == 8)
{
png_bytep bp = row;
@@ -294,15 +333,18 @@ png_do_shift(png_row_infop row_info, png_bytep row, png_color_8p bit_depth)
v = *bp;
*bp = 0;
for (j = shift_start[c]; j > -shift_dec[c]; j -= shift_dec[c])
{
if (j > 0)
*bp |= (png_byte)((v << j) & 0xff);
else
*bp |= (png_byte)((v >> (-j)) & 0xff);
}
}
}
else
{
png_bytep bp;
@@ -317,10 +359,12 @@ png_do_shift(png_row_infop row_info, png_bytep row, png_color_8p bit_depth)
v = (png_uint_16)(((png_uint_16)(*bp) << 8) + *(bp + 1));
value = 0;
for (j = shift_start[c]; j > -shift_dec[c]; j -= shift_dec[c])
{
if (j > 0)
value |= (png_uint_16)((v << j) & (png_uint_16)0xffff);
else
value |= (png_uint_16)((v >> (-j)) & (png_uint_16)0xffff);
}
@@ -341,12 +385,13 @@ png_do_write_swap_alpha(png_row_infop row_info, png_bytep row)
{
if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)
{
/* This converts from ARGB to RGBA */
if (row_info->bit_depth == 8)
{
/* This converts from ARGB to RGBA */
png_bytep sp, dp;
png_uint_32 i;
png_uint_32 row_width = row_info->width;
for (i = 0, sp = dp = row; i < row_width; i++)
{
png_byte save = *(sp++);
@@ -356,9 +401,11 @@ png_do_write_swap_alpha(png_row_infop row_info, png_bytep row)
*(dp++) = save;
}
}
/* This converts from AARRGGBB to RRGGBBAA */
#ifdef PNG_WRITE_16BIT_SUPPORTED
else
{
/* This converts from AARRGGBB to RRGGBBAA */
png_bytep sp, dp;
png_uint_32 i;
png_uint_32 row_width = row_info->width;
@@ -378,12 +425,14 @@ png_do_write_swap_alpha(png_row_infop row_info, png_bytep row)
*(dp++) = save[1];
}
}
#endif /* PNG_WRITE_16BIT_SUPPORTED */
}
else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
{
/* This converts from AG to GA */
if (row_info->bit_depth == 8)
{
/* This converts from AG to GA */
png_bytep sp, dp;
png_uint_32 i;
png_uint_32 row_width = row_info->width;
@@ -395,9 +444,11 @@ png_do_write_swap_alpha(png_row_infop row_info, png_bytep row)
*(dp++) = save;
}
}
/* This converts from AAGG to GGAA */
#ifdef PNG_WRITE_16BIT_SUPPORTED
else
{
/* This converts from AAGG to GGAA */
png_bytep sp, dp;
png_uint_32 i;
png_uint_32 row_width = row_info->width;
@@ -413,6 +464,7 @@ png_do_write_swap_alpha(png_row_infop row_info, png_bytep row)
*(dp++) = save[1];
}
}
#endif /* PNG_WRITE_16BIT_SUPPORTED */
}
}
}
@@ -427,12 +479,13 @@ png_do_write_invert_alpha(png_row_infop row_info, png_bytep row)
{
if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)
{
/* This inverts the alpha channel in RGBA */
if (row_info->bit_depth == 8)
{
/* This inverts the alpha channel in RGBA */
png_bytep sp, dp;
png_uint_32 i;
png_uint_32 row_width = row_info->width;
for (i = 0, sp = dp = row; i < row_width; i++)
{
/* Does nothing
@@ -444,9 +497,11 @@ png_do_write_invert_alpha(png_row_infop row_info, png_bytep row)
*(dp++) = (png_byte)(255 - *(sp++));
}
}
/* This inverts the alpha channel in RRGGBBAA */
#ifdef PNG_WRITE_16BIT_SUPPORTED
else
{
/* This inverts the alpha channel in RRGGBBAA */
png_bytep sp, dp;
png_uint_32 i;
png_uint_32 row_width = row_info->width;
@@ -466,12 +521,14 @@ png_do_write_invert_alpha(png_row_infop row_info, png_bytep row)
*(dp++) = (png_byte)(255 - *(sp++));
}
}
#endif /* PNG_WRITE_16BIT_SUPPORTED */
}
else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
{
/* This inverts the alpha channel in GA */
if (row_info->bit_depth == 8)
{
/* This inverts the alpha channel in GA */
png_bytep sp, dp;
png_uint_32 i;
png_uint_32 row_width = row_info->width;
@@ -482,9 +539,11 @@ png_do_write_invert_alpha(png_row_infop row_info, png_bytep row)
*(dp++) = (png_byte)(255 - *(sp++));
}
}
/* This inverts the alpha channel in GGAA */
#ifdef PNG_WRITE_16BIT_SUPPORTED
else
{
/* This inverts the alpha channel in GGAA */
png_bytep sp, dp;
png_uint_32 i;
png_uint_32 row_width = row_info->width;
@@ -500,10 +559,12 @@ png_do_write_invert_alpha(png_row_infop row_info, png_bytep row)
*(dp++) = (png_byte)(255 - *(sp++));
}
}
#endif /* PNG_WRITE_16BIT_SUPPORTED */
}
}
}
#endif
#endif /* PNG_WRITE_TRANSFORMS_SUPPORTED */
#ifdef PNG_MNG_FEATURES_SUPPORTED
/* Undoes intrapixel differencing */
@@ -512,8 +573,7 @@ png_do_write_intrapixel(png_row_infop row_info, png_bytep row)
{
png_debug(1, "in png_do_write_intrapixel");
if (
(row_info->color_type & PNG_COLOR_MASK_COLOR))
if ((row_info->color_type & PNG_COLOR_MASK_COLOR))
{
int bytes_per_pixel;
png_uint_32 row_width = row_info->width;
@@ -524,17 +584,21 @@ png_do_write_intrapixel(png_row_infop row_info, png_bytep row)
if (row_info->color_type == PNG_COLOR_TYPE_RGB)
bytes_per_pixel = 3;
else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)
bytes_per_pixel = 4;
else
return;
for (i = 0, rp = row; i < row_width; i++, rp += bytes_per_pixel)
{
*(rp) = (png_byte)((*rp - *(rp+1))&0xff);
*(rp+2) = (png_byte)((*(rp+2) - *(rp+1))&0xff);
*(rp) = (png_byte)((*rp - *(rp + 1)) & 0xff);
*(rp + 2) = (png_byte)((*(rp + 2) - *(rp + 1)) & 0xff);
}
}
#ifdef PNG_WRITE_16BIT_SUPPORTED
else if (row_info->bit_depth == 16)
{
png_bytep rp;
@@ -542,24 +606,27 @@ png_do_write_intrapixel(png_row_infop row_info, png_bytep row)
if (row_info->color_type == PNG_COLOR_TYPE_RGB)
bytes_per_pixel = 6;
else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)
bytes_per_pixel = 8;
else
return;
for (i = 0, rp = row; i < row_width; i++, rp += bytes_per_pixel)
{
png_uint_32 s0 = (*(rp ) << 8) | *(rp+1);
png_uint_32 s1 = (*(rp+2) << 8) | *(rp+3);
png_uint_32 s2 = (*(rp+4) << 8) | *(rp+5);
png_uint_32 s0 = (*(rp ) << 8) | *(rp + 1);
png_uint_32 s1 = (*(rp + 2) << 8) | *(rp + 3);
png_uint_32 s2 = (*(rp + 4) << 8) | *(rp + 5);
png_uint_32 red = (png_uint_32)((s0 - s1) & 0xffffL);
png_uint_32 blue = (png_uint_32)((s2 - s1) & 0xffffL);
*(rp ) = (png_byte)((red >> 8) & 0xff);
*(rp+1) = (png_byte)(red & 0xff);
*(rp+4) = (png_byte)((blue >> 8) & 0xff);
*(rp+5) = (png_byte)(blue & 0xff);
*(rp ) = (png_byte)((red >> 8) & 0xff);
*(rp + 1) = (png_byte)(red & 0xff);
*(rp + 4) = (png_byte)((blue >> 8) & 0xff);
*(rp + 5) = (png_byte)(blue & 0xff);
}
}
#endif /* PNG_WRITE_16BIT_SUPPORTED */
}
}
#endif /* PNG_MNG_FEATURES_SUPPORTED */

1426
src/png/pngwutil.c
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File diff suppressed because it is too large Load Diff

383
src/png/projects/owatcom/libpng.tgt Normal file
View File

@@ -0,0 +1,383 @@
40
targetIdent
0
MProject
1
MComponent
0
2
WString
3
LIB
3
WString
5
n_2sn
1
0
0
4
MCommand
0
5
MCommand
0
6
MItem
10
libpng.lib
7
WString
3
LIB
8
WVList
0
9
WVList
1
10
ActionStates
11
WString
5
&Make
12
WVList
0
-1
1
1
0
13
WPickList
16
14
MItem
3
*.c
15
WString
4
COBJ
16
WVList
2
17
MVState
18
WString
3
WCC
19
WString
25
n????Include directories:
1
20
WString
39
"$(%zlib);$(%watcom)/h;$(%watcom)/h/nt"
0
21
MVState
22
WString
3
WCC
23
WString
25
n????Include directories:
0
24
WString
39
"$(%zlib);$(%watcom)/h;$(%watcom)/h/nt"
0
25
WVList
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# This is an OpenWatcom make file which builds pnglibconf.h - the libpng
# configuration header. You can ignore this file if you don't need to
# configure libpng; a default configuration will be built.
#
# For more information build libpng.wpj under the IDE and then read the
# generated files:
#
# config.inf: Basic configuration information for a standard build.
# pngconfig.dfa: Advanced configuration for non-standard libpng builds.
#
DELETE=rm -f
ECHO=echo
COPY=copy
#
# If your configuration needs to test compiler flags when building
# pnglibconf.h you may need to override the following on the wmake command
# line:
CFLAGS=
CC=wcl386
CPP=$(CC) -pw0
#
# Read awk from the environment if set, else it can be set on the command
# line (the default approach is to set the %awk% environment variable in the
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AWK=$(%awk)
!endif
#
# pnglibconf.h must exist in the source directory, this is the final rule
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..\..\pnglibconf.h: pnglibconf.h
$(COPY) pnglibconf.h $@
!ifdef AWK
# CPPFLAGS should contain the options to control the result,
# but DEFS and CFLAGS are also supported here, override
# as appropriate
DFNFLAGS = $(DEFS) $(CPPFLAGS) $(CFLAGS)
pnglibconf.h: pnglibconf.dfn
$(DELETE) $@ dfn.c dfn1.out dfn2.out
$(ECHO) $#include "pnglibconf.dfn" >dfn.c
$(CPP) $(DFNFLAGS) dfn.c >dfn1.out
$(AWK) -f << dfn1.out >dfn2.out
/^.*PNG_DEFN_MAGIC-.*-PNG_DEFN_END.*$$/{
sub(/^.*PNG_DEFN_MAGIC-/, "")
sub(/ *-PNG_DEFN_END.*$$/, "")
gsub(/ *@@@ */, "")
print
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<<
$(COPY) dfn2.out $@
@type << >pngconfig.inf
This is a locally configurable build of libpng.lib; for configuration
instructions consult and edit projects/openwatcom/pngconfig.dfa
<<
$(DELETE) dfn.c dfn1.out dfn2.out
pnglibconf.dfn: ..\..\scripts\pnglibconf.dfa ..\..\scripts\options.awk pngconfig.dfa
$(DELETE) $@ dfn1.out dfn2.out
$(AWK) -f ..\..\scripts\options.awk out=dfn1.out ..\..\scripts\pnglibconf.dfa pngconfig.dfa $(DFA_XTRA) 1>&2
$(AWK) -f ..\..\scripts\options.awk out=dfn2.out dfn1.out 1>&2
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$(DELETE) dfn1.out dfn2.out
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# The following lines are used to copy scripts\pnglibconf.h.prebuilt and make
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# By default libpng is built to use the __cdecl calling convention on
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#
# Thus the default must be changed to build on OpenWatcom and, once changed,
# the result will not be compatible with applications built using other
# compilers (in fact attempts to build will fail at compile time.)
#
pnglibconf.h: ..\..\scripts\pnglibconf.h.prebuilt .existsonly
@$(ECHO) .
@$(ECHO) .
@$(ECHO) $$(AWK) NOT AVAILABLE: COPYING scripts\pnglibconf.h.prebuilt
@$(ECHO) .
@$(ECHO) .
vi -q -k ":1,$$s/PNG_API_RULE 0$$/PNG_API_RULE 2/\n:w! $@\n:q!\n" ..\..\scripts\pnglibconf.h.prebuilt
@$(ECHO) .
@$(ECHO) .
@$(ECHO) YOU HAVE A DEFAULT CONFIGURATION BECAUSE YOU DO NOT HAVE AWK!
@$(ECHO) .
@$(ECHO) .
@type << >pngconfig.inf
This is the default configuration of libpng.lib, if you wish to
change the configuration please consult the instructions in
projects/owatcom/pngconfig.dfa.
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# Make the default files
defaults: .symbolic
@$(COPY) << config.inf
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$# 1) Edit the 'before' rule of libpng.wpj (from the IDE) to define the
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$# zlib.lib.
$#
$# 2) If you want to change libpng to a non-standard configuration also
$# change the definition of 'awk' in the before rule to the name of your
$# awk command. For more instructions on configuration read
$# pngconfig.dfa.
$#
$# 3) Delete this file (config.inf).
<<
@$(COPY) << pngconfig.dfa
$# pngconfig.dfa: this file contains configuration options for libpng.
$# If emtpy the standard configuration will be built. For this file to be
$# used a working version of the program 'awk' is required and the program
$# must be identified in the 'before' rule of the project.
$#
$# If you don't already have 'awk', or the version of awk you have seems not
$# to work, download Brian Kernighan's awk (Brian Kernighan is the author of
$# awk.) You can find source code and a built executable (called awk95.exe)
$# here:
$#
$# http://www.cs.princeton.edu/~bwk/btl.mirror/
$#
$# The executable works just fine.
$#
$# If build issues errors after a change to pngconfig.dfa you have entered
$# inconsistent feature requests, or even malformed requests, in
$# pngconfig.dfa. The error messages from awk should be comprehensible, but
$# if not simply go back to the start (nothing but comments in this file) and
$# enter configuration lines one by one until one produces an error. (Or, of
$# course, do the standard binary chop.)
$#
$# You need to rebuild everything after a change to pnglibconf.dfa - i.e. you
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$# generated dependency information (as of OpenWatcom 1.9) does not record the
$# dependency on pnglibconf.h correctly.
$#
$# If awk isn't set then this file is bypassed. If you just want the standard
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$#
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clean:: .symbolic
$(DELETE) ..\..\pnglibconf.h pnglibconf.* dfn.c *.out pngconfig.inf
$(DELETE) *.obj *.mbr *.sym *.err *.pch libpng.mk
$(DELETE) libpng.lib libpng.lbr libpng.lb1 libpng.cbr libpng.mk1
$(DELETE) pngtest.exe pngtest.map pngtest.lk1 pngtest.mk1
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179
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src/png/projects/visualc6/README.txt
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Microsoft Developer Studio Project File, Format Version 6.00 for libpng.
Copyright (C) 2000-2004 Simon-Pierre Cadieux.
Copyright (C) 2004 Cosmin Truta.
This code is released under the libpng license.
For conditions of distribution and use, see copyright notice in png.h
NOTE: This project will be removed from libpng-1.5.0. It has
been replaced with the "vstudio" project.
Assumptions:
* The libpng source files are in ..\..
* The zlib source files are in ..\..\..\zlib
* The zlib project files are in ..\..\..\zlib\projects\visualc6
To use:
1) On the main menu, select "File | Open Workspace".
Open "libpng.dsw".
2) Select "Build | Set Active Configuration".
Choose the configuration you wish to build.
(Choose libpng or pngtest; zlib will be built automatically.)
3) Select "Build | Clean".
4) Select "Build | Build ... (F7)". Ignore warning messages about
not being able to find certain include files (e.g. alloc.h).
5) If you built the sample program (pngtest),
select "Build | Execute ... (Ctrl+F5)".
This project builds the libpng binaries as follows:
* Win32_DLL_Release\libpng14.dll DLL build
* Win32_DLL_Debug\libpng14d.dll DLL build (debug version)
* Win32_DLL_VB\libpng14vb.dll DLL build for Visual Basic, using stdcall
* Win32_LIB_Release\libpng.lib static build
* Win32_LIB_Debug\libpngd.lib static build (debug version)
Notes:
If you change anything in the source files, or select different compiler
settings, please change the DLL name to something different than any of
the above names. Also, make sure that in your "pngusr.h" you define
PNG_USER_PRIVATEBUILD and PNG_USER_DLLFNAME_POSTFIX according to the
instructions provided in "pngconf.h".
All DLLs built by this project use the Microsoft dynamic C runtime library
MSVCRT.DLL (MSVCRTD.DLL for debug versions). If you distribute any of the
above mentioned libraries you should also include this DLL in your package.
For a list of files that are redistributable in Visual C++ 6.0, see
Common\Redist\Redist.txt on Disc 1 of the Visual C++ 6.0 product CDs.

328
src/png/projects/visualc6/libpng.dsp
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# Microsoft Developer Studio Project File - Name="libpng" - Package Owner=<4>
# Microsoft Developer Studio Generated Build File, Format Version 6.00
# ** DO NOT EDIT **
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!MESSAGE "libpng - Win32 DLL Release" (based on "Win32 (x86) Dynamic-Link Library")
!MESSAGE "libpng - Win32 DLL Debug" (based on "Win32 (x86) Dynamic-Link Library")
!MESSAGE "libpng - Win32 DLL VB" (based on "Win32 (x86) Dynamic-Link Library")
!MESSAGE "libpng - Win32 LIB Release" (based on "Win32 (x86) Static Library")
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PostBuild_Cmds=echo Deleting $(targetname) import library and export file (Not required for VB projects) del $(outdir)\$(targetname).lib del $(outdir)\$(targetname).exp
# End Special Build Tool
!ELSEIF "$(CFG)" == "libpng - Win32 LIB Release"
# PROP BASE Use_MFC 0
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# PROP Target_Dir ""
CPP=cl.exe
# ADD BASE CPP /nologo /MD /W3 /O2 /D "WIN32" /D "NDEBUG" /FD /c
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LIB32=link.exe -lib
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!ELSEIF "$(CFG)" == "libpng - Win32 LIB Debug"
# PROP BASE Use_MFC 0
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RSC=rc.exe
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# ADD BASE BSC32 /nologo
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LIB32=link.exe -lib
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!ENDIF
# Begin Target
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# Name "libpng - Win32 DLL VB"
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!ELSEIF "$(CFG)" == "libpng - Win32 DLL Debug"
!ELSEIF "$(CFG)" == "libpng - Win32 DLL VB"
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!ELSEIF "$(CFG)" == "libpng - Win32 LIB Release"
# PROP Exclude_From_Build 1
!ELSEIF "$(CFG)" == "libpng - Win32 LIB Debug"
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# PROP Default_Filter "h;hpp;hxx;hm;inl"
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!ELSEIF "$(CFG)" == "libpng - Win32 DLL Debug"
!ELSEIF "$(CFG)" == "libpng - Win32 DLL VB"
!ELSEIF "$(CFG)" == "libpng - Win32 LIB Release"
# PROP Exclude_From_Build 1
!ELSEIF "$(CFG)" == "libpng - Win32 LIB Debug"
# PROP Exclude_From_Build 1
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SOURCE=.\README.txt
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59
src/png/projects/visualc6/libpng.dsw
View File

@@ -1,59 +0,0 @@
Microsoft Developer Studio Workspace File, Format Version 6.00
# WARNING: DO NOT EDIT OR DELETE THIS WORKSPACE FILE!
###############################################################################
Project: "libpng"=".\libpng.dsp" - Package Owner=<4>
Package=<5>
{{{
}}}
Package=<4>
{{{
Begin Project Dependency
Project_Dep_Name zlib
End Project Dependency
}}}
###############################################################################
Project: "pngtest"=".\pngtest.dsp" - Package Owner=<4>
Package=<5>
{{{
}}}
Package=<4>
{{{
Begin Project Dependency
Project_Dep_Name libpng
End Project Dependency
}}}
###############################################################################
Project: "zlib"="..\..\..\zlib\projects\visualc6\zlib.dsp" - Package Owner=<4>
Package=<5>
{{{
}}}
Package=<4>
{{{
}}}
###############################################################################
Global:
Package=<5>
{{{
}}}
Package=<3>
{{{
}}}
###############################################################################

178
src/png/projects/visualc6/pngtest.dsp
View File

@@ -1,178 +0,0 @@
# Microsoft Developer Studio Project File - Name="pngtest" - Package Owner=<4>
# Microsoft Developer Studio Generated Build File, Format Version 6.00
# ** DO NOT EDIT **
# TARGTYPE "Win32 (x86) Console Application" 0x0103
CFG=pngtest - Win32 DLL Release
!MESSAGE This is not a valid makefile. To build this project using NMAKE,
!MESSAGE use the Export Makefile command and run
!MESSAGE
!MESSAGE NMAKE /f "pngtest.mak".
!MESSAGE
!MESSAGE You can specify a configuration when running NMAKE
!MESSAGE by defining the macro CFG on the command line. For example:
!MESSAGE
!MESSAGE NMAKE /f "pngtest.mak" CFG="pngtest - Win32 DLL Release"
!MESSAGE
!MESSAGE Possible choices for configuration are:
!MESSAGE
!MESSAGE "pngtest - Win32 DLL Release" (based on "Win32 (x86) Console Application")
!MESSAGE "pngtest - Win32 DLL Debug" (based on "Win32 (x86) Console Application")
!MESSAGE "pngtest - Win32 LIB Release" (based on "Win32 (x86) Console Application")
!MESSAGE "pngtest - Win32 LIB Debug" (based on "Win32 (x86) Console Application")
!MESSAGE
# Begin Project
# PROP AllowPerConfigDependencies 0
# PROP Scc_ProjName ""
# PROP Scc_LocalPath ""
CPP=cl.exe
RSC=rc.exe
!IF "$(CFG)" == "pngtest - Win32 DLL Release"
# PROP BASE Use_MFC 0
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# PROP BASE Output_Dir "pngtest___Win32_DLL_Release"
# PROP BASE Intermediate_Dir "pngtest___Win32_DLL_Release"
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# ADD RSC /l 0x409 /d "NDEBUG"
BSC32=bscmake.exe
# ADD BASE BSC32 /nologo
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LINK32=link.exe
# ADD BASE LINK32 /nologo /subsystem:console /machine:I386
# ADD LINK32 Win32_DLL_Release\libpng14.lib ..\..\..\zlib\projects\visualc6\Win32_DLL_Release\zlib1.lib /nologo /subsystem:console /machine:I386
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SOURCE="$(InputPath)"
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# End Special Build Tool
!ELSEIF "$(CFG)" == "pngtest - Win32 DLL Debug"
# PROP BASE Use_MFC 0
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# PROP Ignore_Export_Lib 0
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# SUBTRACT BASE CPP /YX
# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /I "..\..\..\zlib" /D "WIN32" /D "_DEBUG" /D "PNG_DLL" /D "PNG_NO_STDIO" /FD /GZ /c
# SUBTRACT CPP /YX
# ADD BASE RSC /l 0x409 /d "_DEBUG"
# ADD RSC /l 0x409 /d "_DEBUG"
BSC32=bscmake.exe
# ADD BASE BSC32 /nologo
# ADD BSC32 /nologo
LINK32=link.exe
# ADD BASE LINK32 /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
# ADD LINK32 Win32_DLL_Debug\libpng14d.lib ..\..\..\zlib\projects\visualc6\Win32_DLL_Debug\zlib1d.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
# Begin Special Build Tool
OutDir=.\Win32_DLL_Debug
SOURCE="$(InputPath)"
PostBuild_Desc=[Run Test]
PostBuild_Cmds=set path=$(outdir);..\..\..\zlib\projects\visualc6\Win32_DLL_Debug; $(outdir)\pngtest.exe ..\..\pngtest.png
# End Special Build Tool
!ELSEIF "$(CFG)" == "pngtest - Win32 LIB Release"
# PROP BASE Use_MFC 0
# PROP BASE Use_Debug_Libraries 0
# PROP BASE Output_Dir "pngtest___Win32_LIB_Release"
# PROP BASE Intermediate_Dir "pngtest___Win32_LIB_Release"
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# ADD BASE CPP /nologo /W3 /O2 /D "WIN32" /D "NDEBUG" /FD /c
# SUBTRACT BASE CPP /YX
# ADD CPP /nologo /MD /W3 /O2 /I "..\..\..\zlib" /D "WIN32" /D "NDEBUG" /FD /c
# SUBTRACT CPP /YX
# ADD BASE RSC /l 0x409 /d "NDEBUG"
# ADD RSC /l 0x409 /d "NDEBUG"
BSC32=bscmake.exe
# ADD BASE BSC32 /nologo
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LINK32=link.exe
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SOURCE="$(InputPath)"
PostBuild_Desc=[Run Test]
PostBuild_Cmds=$(outdir)\pngtest.exe ..\..\pngtest.png
# End Special Build Tool
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# PROP BASE Use_MFC 0
# PROP BASE Use_Debug_Libraries 1
# PROP BASE Output_Dir "pngtest___Win32_LIB_Debug"
# PROP BASE Intermediate_Dir "pngtest___Win32_LIB_Debug"
# PROP BASE Target_Dir ""
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# ADD RSC /l 0x409 /d "_DEBUG"
BSC32=bscmake.exe
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LINK32=link.exe
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# ADD LINK32 Win32_LIB_Debug\libpngd.lib ..\..\..\zlib\projects\visualc6\Win32_LIB_Debug\zlibd.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
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SOURCE="$(InputPath)"
PostBuild_Desc=[Run Test]
PostBuild_Cmds=$(outdir)\pngtest.exe ..\..\pngtest.png
# End Special Build Tool
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# Name "pngtest - Win32 DLL Debug"
# Name "pngtest - Win32 LIB Release"
# Name "pngtest - Win32 LIB Debug"
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# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"
# Begin Source File
SOURCE=..\..\pngtest.c
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2
src/png/projects/visualc71/PRJ0041.mak
View File

@@ -9,7 +9,7 @@ all: $(IntDir)\alloc.h \
$(IntDir)\strings.h \
$(IntDir)\unistd.h \
$(IntDir)\unixio.h
$(IntDir)\alloc.h \
$(IntDir)\fp.h \
$(IntDir)\m68881.h \

6
src/png/projects/visualc71/README.txt
View File

@@ -37,9 +37,9 @@ To use:
This project builds the libpng binaries as follows:
* Win32_DLL_Release\libpng14.dll DLL build
* Win32_DLL_Debug\libpng14d.dll DLL build (debug version)
* Win32_DLL_VB\libpng14vb.dll DLL build for Visual Basic, using stdcall
* Win32_DLL_Release\libpng15.dll DLL build
* Win32_DLL_Debug\libpng15d.dll DLL build (debug version)
* Win32_DLL_VB\libpng15vb.dll DLL build for Visual Basic, using stdcall
* Win32_LIB_Release\libpng.lib static build
* Win32_LIB_Debug\libpngd.lib static build (debug version)

72
src/png/projects/visualc71/libpng.vcproj
View File

@@ -17,35 +17,35 @@
<Tool
Name="VCCLCompilerTool"
InlineFunctionExpansion="1"
AdditionalIncludeDirectories="..\..;..\..\scripts;..\..\..\zlib"
AdditionalIncludeDirectories="..\..;..\..\..\zlib"
PreprocessorDefinitions="WIN32;NDEBUG;PNG_BUILD_DLL;ZLIB_DLL;_CRT_SECURE_NO_WARNINGS"
StringPooling="TRUE"
RuntimeLibrary="2"
EnableFunctionLevelLinking="TRUE"
UsePrecompiledHeader="3"
PrecompiledHeaderThrough="png.h"
PrecompiledHeaderThrough="pngpriv.h"
WarningLevel="3"
CompileAs="0"/>
<Tool
Name="VCCustomBuildTool"/>
<Tool
Name="VCLinkerTool"
OutputFile="$(OutDir)/libpng14.dll"
LinkIncremental="1"
ModuleDefinitionFile="..\..\scripts\pngwin.def"/>
OutputFile="$(OutDir)/libpng15.dll"
LinkIncremental="1"/>
<Tool
Name="VCMIDLTool"/>
<Tool
Name="VCPostBuildEventTool"/>
<Tool
Name="VCPreBuildEventTool"/>
Name="VCPreBuildEventTool"
CommandLine="copy ..\..\scripts\pnglibconf.h.prebuilt ..\..\pnglibconf.h"/>
<Tool
Name="VCPreLinkEventTool"/>
<Tool
Name="VCResourceCompilerTool"
PreprocessorDefinitions="NDEBUG"
Culture="1033"
AdditionalIncludeDirectories="..\..;..\..\scripts;..\..\..\zlib;$(IntDir)"/>
AdditionalIncludeDirectories="..\..;..\..\..\zlib;$(IntDir)"/>
<Tool
Name="VCWebServiceProxyGeneratorTool"/>
<Tool
@@ -65,12 +65,12 @@
<Tool
Name="VCCLCompilerTool"
Optimization="0"
AdditionalIncludeDirectories="..\..;..\..\scripts;..\..\..\zlib"
AdditionalIncludeDirectories="..\..;..\..\..\zlib"
PreprocessorDefinitions="WIN32;_DEBUG;DEBUG;PNG_DEBUG=1;PNG_BUILD_DLL;ZLIB_DLL;_CRT_SECURE_NO_WARNINGS"
BasicRuntimeChecks="3"
RuntimeLibrary="3"
UsePrecompiledHeader="3"
PrecompiledHeaderThrough="png.h"
PrecompiledHeaderThrough="pngpriv.h"
WarningLevel="3"
DebugInformationFormat="4"
CompileAs="0"/>
@@ -78,22 +78,22 @@
Name="VCCustomBuildTool"/>
<Tool
Name="VCLinkerTool"
OutputFile="$(OutDir)/libpng14d.dll"
ModuleDefinitionFile="..\..\scripts\pngwin.def"
OutputFile="$(OutDir)/libpng15d.dll"
GenerateDebugInformation="TRUE"/>
<Tool
Name="VCMIDLTool"/>
<Tool
Name="VCPostBuildEventTool"/>
<Tool
Name="VCPreBuildEventTool"/>
Name="VCPreBuildEventTool"
CommandLine="copy ..\..\scripts\pnglibconf.h.prebuilt ..\..\pnglibconf.h"/>
<Tool
Name="VCPreLinkEventTool"/>
<Tool
Name="VCResourceCompilerTool"
PreprocessorDefinitions="_DEBUG,PNG_DEBUG=1"
Culture="1033"
AdditionalIncludeDirectories="..\..;..\..\scripts;..\..\..\zlib;$(IntDir)"/>
AdditionalIncludeDirectories="..\..;..\..\..\zlib;$(IntDir)"/>
<Tool
Name="VCWebServiceProxyGeneratorTool"/>
<Tool
@@ -113,27 +113,28 @@
<Tool
Name="VCCLCompilerTool"
InlineFunctionExpansion="1"
AdditionalIncludeDirectories="..\..;..\..\scripts;..\..\..\zlib"
AdditionalIncludeDirectories="..\..;..\..\..\zlib"
PreprocessorDefinitions="WIN32;NDEBUG;PNG_BUILD_DLL;ZLIB_DLL;PNGAPI=__stdcall;PNG_NO_MODULEDEF;PNG_LIBPNG_SPECIALBUILD;PNG_USER_PRIVATEBUILD;_CRT_SECURE_NO_WARNINGS"
StringPooling="TRUE"
RuntimeLibrary="2"
EnableFunctionLevelLinking="TRUE"
UsePrecompiledHeader="3"
PrecompiledHeaderThrough="png.h"
PrecompiledHeaderThrough="pngpriv.h"
WarningLevel="3"
CompileAs="0"/>
<Tool
Name="VCCustomBuildTool"/>
<Tool
Name="VCLinkerTool"
OutputFile="$(OutDir)/libpng14vb.dll"
OutputFile="$(OutDir)/libpng15vb.dll"
LinkIncremental="1"/>
<Tool
Name="VCMIDLTool"/>
<Tool
Name="VCPostBuildEventTool"/>
<Tool
Name="VCPreBuildEventTool"/>
Name="VCPreBuildEventTool"
CommandLine="copy ..\..\scripts\pnglibconf.h.prebuilt ..\..\pnglibconf.h"/>
<Tool
Name="VCPreLinkEventTool"/>
<Tool
@@ -141,7 +142,7 @@
AdditionalOptions="/d PNG_NO_PEDANTIC_WARNINGS /d PNG_LIBPNG_DLLFNAME_POSTFIX=&quot;&quot;&quot;&quot;VB&quot;&quot;&quot;&quot; /d PNG_LIBPNG_SPECIALBUILD=&quot;&quot;&quot;&quot;__stdcall calling convention used for exported functions&quot;&quot;&quot;&quot;"
PreprocessorDefinitions="NDEBUG"
Culture="1033"
AdditionalIncludeDirectories="..\..;..\..\scripts;..\..\..\zlib;$(IntDir)"/>
AdditionalIncludeDirectories="..\..;..\..\..\zlib;$(IntDir)"/>
<Tool
Name="VCWebServiceProxyGeneratorTool"/>
<Tool
@@ -161,13 +162,13 @@
<Tool
Name="VCCLCompilerTool"
InlineFunctionExpansion="1"
AdditionalIncludeDirectories="..\..;..\..\scripts;..\..\..\zlib"
AdditionalIncludeDirectories="..\..;..\..\..\zlib"
PreprocessorDefinitions="WIN32;NDEBUG;_CRT_SECURE_NO_WARNINGS"
StringPooling="TRUE"
RuntimeLibrary="0"
EnableFunctionLevelLinking="TRUE"
UsePrecompiledHeader="3"
PrecompiledHeaderThrough="png.h"
PrecompiledHeaderThrough="pngpriv.h"
WarningLevel="3"
CompileAs="0"/>
<Tool
@@ -180,7 +181,8 @@
<Tool
Name="VCPostBuildEventTool"/>
<Tool
Name="VCPreBuildEventTool"/>
Name="VCPreBuildEventTool"
CommandLine="copy ..\..\scripts\pnglibconf.h.prebuilt ..\..\pnglibconf.h"/>
<Tool
Name="VCPreLinkEventTool"/>
<Tool
@@ -202,12 +204,12 @@
<Tool
Name="VCCLCompilerTool"
Optimization="0"
AdditionalIncludeDirectories="..\..;..\..\scripts;..\..\..\zlib"
AdditionalIncludeDirectories="..\..;..\..\..\zlib"
PreprocessorDefinitions="WIN32;_DEBUG;DEBUG;PNG_DEBUG=1;_CRT_SECURE_NO_WARNINGS"
BasicRuntimeChecks="3"
RuntimeLibrary="1"
UsePrecompiledHeader="3"
PrecompiledHeaderThrough="png.h"
PrecompiledHeaderThrough="pngpriv.h"
WarningLevel="3"
DebugInformationFormat="4"
CompileAs="0"/>
@@ -221,7 +223,8 @@
<Tool
Name="VCPostBuildEventTool"/>
<Tool
Name="VCPreBuildEventTool"/>
Name="VCPreBuildEventTool"
CommandLine="copy ..\..\scripts\pnglibconf.h.prebuilt ..\..\pnglibconf.h"/>
<Tool
Name="VCPreLinkEventTool"/>
<Tool
@@ -335,27 +338,6 @@
<File
RelativePath="..\..\pngtrans.c">
</File>
<File
RelativePath="..\..\scripts\pngwin.def">
<FileConfiguration
Name="DLL VB|Win32"
ExcludedFromBuild="TRUE">
<Tool
Name="VCCustomBuildTool"/>
</FileConfiguration>
<FileConfiguration
Name="LIB Release|Win32"
ExcludedFromBuild="TRUE">
<Tool
Name="VCCustomBuildTool"/>
</FileConfiguration>
<FileConfiguration
Name="LIB Debug|Win32"
ExcludedFromBuild="TRUE">
<Tool
Name="VCCustomBuildTool"/>
</FileConfiguration>
</File>
<File
RelativePath="..\..\pngwio.c">
</File>

2
src/png/projects/visualc71/pngtest.vcproj
View File

@@ -130,7 +130,7 @@ $(TargetPath) ..\..\pngtest.png $(IntDir)\pngout.png"
Name="VCLinkerTool"
OutputFile="$(OutDir)/pngtest.exe"
LinkIncremental="1"
IgnoreDefaultLibraryNames="$(IntDir)\libpng14b.lib"
IgnoreDefaultLibraryNames="$(IntDir)\libpng15b.lib"
SubSystem="1"
TargetMachine="1"/>
<Tool

466
src/png/projects/vstudio/libpng/libpng.vcxproj
View File

@@ -1,233 +1,233 @@
<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup Label="ProjectConfigurations">
<ProjectConfiguration Include="Debug Library|Win32">
<Configuration>Debug Library</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|Win32">
<Configuration>Debug</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release Library|Win32">
<Configuration>Release Library</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Win32">
<Configuration>Release</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
</ItemGroup>
<PropertyGroup Label="Globals">
<ProjectGuid>{D6973076-9317-4EF2-A0B8-B7A18AC0713E}</ProjectGuid>
<Keyword>Win32Proj</Keyword>
<RootNamespace>libpng</RootNamespace>
</PropertyGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
<Import Project="$(SolutionDir)\zlib.props" />
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
<ConfigurationType>DynamicLibrary</ConfigurationType>
<CharacterSet>MultiByte</CharacterSet>
<WholeProgramOptimization>true</WholeProgramOptimization>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug Library|Win32'" Label="Configuration">
<ConfigurationType>StaticLibrary</ConfigurationType>
<CharacterSet>MultiByte</CharacterSet>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
<ConfigurationType>DynamicLibrary</ConfigurationType>
<WholeProgramOptimization>true</WholeProgramOptimization>
<CharacterSet>MultiByte</CharacterSet>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release Library|Win32'" Label="Configuration">
<ConfigurationType>StaticLibrary</ConfigurationType>
<CharacterSet>MultiByte</CharacterSet>
</PropertyGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
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219
src/png/projects/vstudio/pngvalid/pngvalid.vcxproj Normal file
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</Project>

69
src/png/projects/vstudio/readme.txt
View File

@@ -1,7 +1,7 @@
VisualStudio instructions
libpng version 1.4.4 - September 23, 2010
libpng version 1.5.6 - November 3, 2011
Copyright (c) 1998-2010 Glenn Randers-Pehrson
@@ -13,29 +13,13 @@ This directory contains support for building libpng under MicroSoft
VisualStudio 2010. It may also work under later versions of VisualStudio.
You should be familiar with VisualStudio before using this directory.
This is a slightly modified copy of the 'vstudio' solution from libpng
1.5; it is intended to provide compatibility for libpng 1.4 with later
releases of zlib (from 1.2.4) and to provide a migration aid for 1.5.
A 'VB' DLL is no longer produced - use the standard 'Release' DLL.
Initial preparations
====================
You should install the 'official' build of zlib on your system - follow the
instructions provided on http://www.zlib.net. When a new release is being
made of zlib the instructions disappear for a while until the new official
build is available. You will have to wait.
You must enter some information in zlib.props before attempting to build
with this 'solution'. Please read and edit zlib.props first. You will
probably not be familiar with the contents of zlib.props - do not worry,
it is mostly harmless.
Make sure that your official build layout matches the requirements listed
in zlib.props. Prior to zlib-1.2.4 the official build (1.2.3) placed
include and library files in different directories - if you find this
has happened just put them all in the same directory.
This is all you need to do to build the 'release' and 'release library'
configurations.
@@ -46,6 +30,25 @@ information is produced (in the .pdb), but if you encounter a problem the
optimization may make it difficult to debug. Simply rebuild with a lower
optimization level (e.g. /Od.)
Linking your application
========================
Normally you should link against the 'release' configuration. This builds a
DLL for libpng 1.5 with the default runtime options used by Visual Studio
2010. In particular the runtime library is the "MultiThreaded DLL" version.
If you use Visual Studio defaults to build your application you will have no
problems.
If you don't use the Visual Studio defaults your application must still be built
with the default runtime option (/MD). If, for some reason, it is not then your
application will crash inside libpng15.dll as soon as libpng tries to read
from a file handle you pass in.
If you do not want to use the DLL, for example for a very small application,
the 'release library' configuration may be more appropriate. This is built
with a non-standard runtime library - the "MultiThreaded" version. When you
build your application it must be compiled with this option (/MT), otherwise
it will not build (if you are lucky) or crash (if you are not.)
Stop reading here
=================
You have enough information to build a working application.
@@ -57,37 +60,5 @@ do not need these unless your own solution itself uses debug builds (it is
far more effective to debug on the release builds, there is no point building
a special debug build.)
If, despite the previous paragraph, you still feel you need a debug build you
will have to download the zlib source as well (http://www.zlib.net) and include
the directory where you unpack it in zlib.props. This solution will then be
able to build a minimal zlib sufficient for libpng. This build is only
suitable for making a debug libpng.
The debug build of libpng is minimally supported. Support for debug builds of
zlib is also minimal. You really don't want to do this.
This solution only supports the Multi-Threaded DLL C Runtime
============================================================
If you examine the solution you will find that it very deliberately lists
exactly which MicroSoft DLLs it is linking against. It explicitly links
against msvcrt.lib. The debug version links against msvcrtd.lib (this is
why it is a debug version - it's nothing to do with having any special
debug support, it doesn't).
These versions of the MicroSoft C runtime correspond to the compiler flags
/MD (release) and /MDd (debug) - the "Multi-Threaded DLL" implementation of the
C runtime library.
If you need to change this then you will have to make sure that both the
compiler flags and the ".lib" in the linker dependences match up. Fortunately
neither zlib nor libpng require libraries other than a C runtime and
kernel32.
You cannot pass (FILE*) objects from a different runtime (including msvcrtd
to msvcrt) to libpng. If you do then your program will crash within libpng
when it first makes a file read or write call.
It is likely if you have read this far that you have found you can't avoid
having multiple C runtimes in your program. This is OK, it does work, but
you will have to implement the libpng file read/write callbacks rather than
using the internal libpng default. This is easy.

48
src/png/projects/vstudio/vstudio.sln
View File

@@ -1,16 +1,28 @@
Microsoft Visual Studio Solution File, Format Version 11.00
# Visual C++ Express 2010
# Visual Studio 2010
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "libpng", "libpng\libpng.vcxproj", "{D6973076-9317-4EF2-A0B8-B7A18AC0713E}"
ProjectSection(ProjectDependencies) = postProject
{18040998-CC22-2BAE-FE7A-C0A3038F1D5C} = {18040998-CC22-2BAE-FE7A-C0A3038F1D5C}
{64CE4900-97EA-2DD5-4226-F2E36FFF2867} = {64CE4900-97EA-2DD5-4226-F2E36FFF2867}
{EB33566E-DA7F-4D28-9077-88C0B7C77E35} = {EB33566E-DA7F-4D28-9077-88C0B7C77E35}
EndProjectSection
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "pngtest", "pngtest\pngtest.vcxproj", "{228BA965-50D5-42B2-8BCF-AFCC227E3C1D}"
ProjectSection(ProjectDependencies) = postProject
{64CE4900-97EA-2DD5-4226-F2E36FFF2867} = {64CE4900-97EA-2DD5-4226-F2E36FFF2867}
{EB33566E-DA7F-4D28-9077-88C0B7C77E35} = {EB33566E-DA7F-4D28-9077-88C0B7C77E35}
{D6973076-9317-4EF2-A0B8-B7A18AC0713E} = {D6973076-9317-4EF2-A0B8-B7A18AC0713E}
EndProjectSection
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "zlib", "zlib\zlib.vcxproj", "{18040998-CC22-2BAE-FE7A-C0A3038F1D5C}"
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "zlib", "zlib\zlib.vcxproj", "{64CE4900-97EA-2DD5-4226-F2E36FFF2867}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "pngvalid", "pngvalid\pngvalid.vcxproj", "{9B36B6FE-7FC0-434F-A71F-BBEF8099F1D8}"
ProjectSection(ProjectDependencies) = postProject
{64CE4900-97EA-2DD5-4226-F2E36FFF2867} = {64CE4900-97EA-2DD5-4226-F2E36FFF2867}
{EB33566E-DA7F-4D28-9077-88C0B7C77E35} = {EB33566E-DA7F-4D28-9077-88C0B7C77E35}
{D6973076-9317-4EF2-A0B8-B7A18AC0713E} = {D6973076-9317-4EF2-A0B8-B7A18AC0713E}
EndProjectSection
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "pnglibconf", "pnglibconf\pnglibconf.vcxproj", "{EB33566E-DA7F-4D28-9077-88C0B7C77E35}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -36,12 +48,30 @@ Global
{228BA965-50D5-42B2-8BCF-AFCC227E3C1D}.Release Library|Win32.Build.0 = Release Library|Win32
{228BA965-50D5-42B2-8BCF-AFCC227E3C1D}.Release|Win32.ActiveCfg = Release|Win32
{228BA965-50D5-42B2-8BCF-AFCC227E3C1D}.Release|Win32.Build.0 = Release|Win32
{18040998-CC22-2BAE-FE7A-C0A3038F1D5C}.Debug Library|Win32.ActiveCfg = Debug Library|Win32
{18040998-CC22-2BAE-FE7A-C0A3038F1D5C}.Debug Library|Win32.Build.0 = Debug Library|Win32
{18040998-CC22-2BAE-FE7A-C0A3038F1D5C}.Debug|Win32.ActiveCfg = Debug|Win32
{18040998-CC22-2BAE-FE7A-C0A3038F1D5C}.Debug|Win32.Build.0 = Debug|Win32
{18040998-CC22-2BAE-FE7A-C0A3038F1D5C}.Release Library|Win32.ActiveCfg = Debug|Win32
{18040998-CC22-2BAE-FE7A-C0A3038F1D5C}.Release|Win32.ActiveCfg = Debug|Win32
{64CE4900-97EA-2DD5-4226-F2E36FFF2867}.Debug Library|Win32.ActiveCfg = Debug Library|Win32
{64CE4900-97EA-2DD5-4226-F2E36FFF2867}.Debug Library|Win32.Build.0 = Debug Library|Win32
{64CE4900-97EA-2DD5-4226-F2E36FFF2867}.Debug|Win32.ActiveCfg = Debug|Win32
{64CE4900-97EA-2DD5-4226-F2E36FFF2867}.Debug|Win32.Build.0 = Debug|Win32
{64CE4900-97EA-2DD5-4226-F2E36FFF2867}.Release Library|Win32.ActiveCfg = Release Library|Win32
{64CE4900-97EA-2DD5-4226-F2E36FFF2867}.Release Library|Win32.Build.0 = Release Library|Win32
{64CE4900-97EA-2DD5-4226-F2E36FFF2867}.Release|Win32.ActiveCfg = Release|Win32
{64CE4900-97EA-2DD5-4226-F2E36FFF2867}.Release|Win32.Build.0 = Release|Win32
{9B36B6FE-7FC0-434F-A71F-BBEF8099F1D8}.Debug Library|Win32.ActiveCfg = Debug Library|Win32
{9B36B6FE-7FC0-434F-A71F-BBEF8099F1D8}.Debug Library|Win32.Build.0 = Debug Library|Win32
{9B36B6FE-7FC0-434F-A71F-BBEF8099F1D8}.Debug|Win32.ActiveCfg = Debug|Win32
{9B36B6FE-7FC0-434F-A71F-BBEF8099F1D8}.Debug|Win32.Build.0 = Debug|Win32
{9B36B6FE-7FC0-434F-A71F-BBEF8099F1D8}.Release Library|Win32.ActiveCfg = Release Library|Win32
{9B36B6FE-7FC0-434F-A71F-BBEF8099F1D8}.Release Library|Win32.Build.0 = Release Library|Win32
{9B36B6FE-7FC0-434F-A71F-BBEF8099F1D8}.Release|Win32.ActiveCfg = Release|Win32
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{EB33566E-DA7F-4D28-9077-88C0B7C77E35}.Debug Library|Win32.ActiveCfg = Release|Win32
{EB33566E-DA7F-4D28-9077-88C0B7C77E35}.Debug Library|Win32.Build.0 = Release|Win32
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{EB33566E-DA7F-4D28-9077-88C0B7C77E35}.Debug|Win32.Build.0 = Release|Win32
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{EB33566E-DA7F-4D28-9077-88C0B7C77E35}.Release|Win32.Build.0 = Release|Win32
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE

44
src/png/projects/vstudio/zlib.props
View File

@@ -1,43 +1,37 @@
<?xml version="1.0" encoding="utf-8"?>
<!--
* zlib.props - location of zlib source and build
* zlib.props - location of zlib source
*
* libpng version 1.4.4 - September 23, 2010
* libpng version 1.5.6 - November 3, 2011
*
* Copyright (c) 1998-2010 Glenn Randers-Pehrson
* Copyright (c) 1998-2011 Glenn Randers-Pehrson
*
* This code is released under the libpng license.
* For conditions of distribution and use, see the disclaimer
* and license in png.h
* You must edit this file to record the location of the zlib
* official and debug builds unless they are in the default
* directories:
* official: zlib1
* debug: zlib debug
* source code.
-->
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<Project ToolsVersion="4.0"
xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup Label="Globals">
<!-- Place the name of the directory containing the official
build of zlib and the corresponding header files in this
property. The directory is expected to contain at least:
<!-- Place the name of the directory containing the source of zlib used for
debugging in this property.
zdll.lib # The DLL import library
zlib.lib # The static library
zlib.h # The header file
zconf.h # Another header file included by zlib.h
-->
<ZLib1Dir>..\..\..\..\zlib124-dll\zlib-1.2.4</ZLib1Dir>
The directory need only contain the '.c' and '.h' files from the
source.
<!-- Place the name of the directory containing the source of
zlib used for debugging in this property.
The directory need only contain the '.c' and '.h' files
from the source. For your own sanity make sure that the
'.h' files in the source match those from the 'official'
build above.
If you use a relative directory name (as below) then it must be
relative to the project directories; these are one level deepers than
the directories containing this file.
If the version of zlib you use does not match that used when the
distribution was built you will get warnings from pngtest that the zlib
versions do not match. The zlib version used in this build is recorded
below:
-->
<ZLibSrcDir>..\..\..\..\zlib-1.2.4</ZLibSrcDir>
<ZLibSrcDir>..\..\..\..\zlib-1.2.5</ZLibSrcDir>
</PropertyGroup>
</Project>

286
src/png/projects/vstudio/zlib/zlib.vcxproj
View File

@@ -1,112 +1,174 @@
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<ClCompile Include="$(ZLibSrcDir)\inftrees.c" />
<ClCompile Include="$(ZLibSrcDir)\trees.c" />
<ClCompile Include="$(ZLibSrcDir)\uncompr.c" />
<ClCompile Include="$(ZLibSrcDir)\zutil.c" />
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<PropertyGroup Label="Globals">
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
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3
src/png/projects/xcode/README.txt
View File

@@ -1,3 +0,0 @@
1 September 2010: Philippe Hausler updated the xcode project to work
with libpng-1.4.x and added iOS targets for simulator and device.

2
src/png/projects/xcode/libpng.xcodeproj/.gitignore vendored
View File

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*.mode1*
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805
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37
src/png/scripts/README.txt
View File

@@ -1,8 +1,9 @@
Makefiles for libpng version 1.4.4 - September 23, 2010
Makefiles for libpng version 1.5.6 - November 3, 2011
pnglibconf.h.prebuilt => Stores configuration settings
makefile.linux => Linux/ELF makefile
(gcc, creates libpng14.so.14.1.4.4)
(gcc, creates libpng15.so.15.1.5.6)
makefile.gcc => Generic makefile (gcc, creates static libpng.a)
makefile.knr => Archaic UNIX Makefile that converts files with
ansi2knr (Requires ansi2knr.c from
@@ -15,12 +16,11 @@ Makefiles for libpng version 1.4.4 - September 23, 2010
makefile.beos => beos makefile
makefile.bor => Borland makefile (uses bcc)
makefile.cegcc => minge32ce for Windows CE makefile
makefile.cygwin => Cygwin/gcc makefile
makefile.darwin => Darwin makefile, can use on MacosX
makefile.dec => DEC Alpha UNIX makefile
makefile.dj2 => DJGPP 2 makefile
makefile.elf => Linux/ELF makefile symbol versioning,
(gcc, creates libpng14.so.14.1.4.4)
(gcc, creates libpng15.so.15.1.5.6)
makefile.freebsd => FreeBSD makefile
makefile.gcc => Generic gcc makefile
makefile.hpgcc => HPUX makefile using gcc
@@ -28,40 +28,49 @@ Makefiles for libpng version 1.4.4 - September 23, 2010
makefile.hp64 => HPUX (10.20 and 11.00) makefile, 64-bit
makefile.ibmc => IBM C/C++ version 3.x for Win32 and OS/2 (static)
makefile.intel => Intel C/C++ version 4.0 and later
makefile.mingw => Mingw makefile
makefile.mips => MIPS makefile
makefile.msc => Microsoft C makefile
makefile.netbsd => NetBSD/cc makefile, makes libpng.so.
makefile.openbsd => OpenBSD makefile
makefile.os2 => OS/2 Makefile (gcc and emx, requires pngos2.def)
makefile.os2 => OS/2 Makefile (gcc and emx, requires libpng.def)
makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc
makefile.sggcc => Silicon Graphics (gcc,
creates libpng14.so.14.1.4.4)
creates libpng15.so.15.1.5.6)
makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib)
makefile.solaris => Solaris 2.X makefile (gcc,
creates libpng14.so.14.1.4.4)
creates libpng15.so.15.1.5.6)
makefile.so9 => Solaris 9 makefile (gcc,
creates libpng14.so.14.1.4.4)
creates libpng15.so.15.1.5.6)
makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
makefile.sunos => Sun makefile
makefile.32sunu => Sun Ultra 32-bit makefile
makefile.64sunu => Sun Ultra 64-bit makefile
makefile.tc3 => Turbo C 3.0 makefile
makefile.vcwin32 => makefile for Microsoft Visual C++ 4.0 and later
makefile.watcom => Watcom 10a+ Makefile, 32-bit flat memory model
makevms.com => VMS build script
smakefile.ppc => AMIGA smakefile for SAS C V6.58/7.00 PPC compiler
(Requires SCOPTIONS, copied from scripts/SCOPTIONS.ppc)
Other supporting scripts:
README.txt => This file
descrip.mms => VMS makefile for MMS or MMK
libpng-config-body.in => used by several makefiles to create libpng-config
libpng-config-head.in => used by several makefiles to create libpng-config
libpng.pc.in => Used by several makefiles to create libpng.pc
pngos2.def => OS/2 module definition file used by makefile.os2
pngwin.def => Module definitions for makefile.cygwin and mingw
png32ce.def => Module definition file used by makefile.cegcc
pngwin.rc => Used by the visualc6 and visualc71 projects.
pngwin.rc => Used by the visualc71 project.
pngwin.def => Used by makefile.os2
pngwin.dfn => Used to maintain pngwin.def
SCOPTIONS.ppc => Used with smakefile.ppc
checksym.awk => Used for maintaining pnglibconf.h
def.dfn => Used for maintaining pnglibconf.h
options.awk => Used for maintaining pnglibconf.h
pnglibconf.dfa => Used for maintaining pnglibconf.h
pnglibconf.mak => Used for maintaining pnglibconf.h
sym.dfn => Used for symbol versioning
symbols.def => Used for symbol versioning
symbols.dfn => Used for symbol versioning
vers.dfn => Used for symbol versioning
Further information can be found in comments in the individual makefiles.

161
src/png/scripts/checksym.awk Executable file
View File

@@ -0,0 +1,161 @@
#!/bin/awk -f
# Check a list of symbols against the master definition
# (official) list. Arguments:
#
# awk -f checksym.awk official-def list-to-check
#
# Output is a file in the current directory called 'symbols.new',
# stdout holds error messages. Error code indicates success or
# failure.
#
# NOTE: this is a pure, old fashioned, awk script. It will
# work with any awk
BEGIN{
err=0
master="" # master file
official[1] = "" # defined symbols from master file
symbol[1] = "" # defined symbols from png.h
removed[1] = "" # removed symbols from png.h
lasto = 0 # last ordinal value from png.h
mastero = 0 # highest ordinal in master file
symbolo = 0 # highest ordinal in png.h
missing = "error"# log an error on missing symbols
}
# Read existing definitions from the master file (the first
# file on the command line.) This must be a def file and it
# has definition lines (others are ignored) of the form:
#
# symbol @ordinal
#
master == "" {
master = FILENAME
}
FILENAME==master && NF==2 && $2~/^@/ && $1!~/^;/ {
o=0+substr($2,2)
if (o > 0) {
if (official[o] == "") {
official[o] = $1
if (o > mastero) mastero = o
next
} else
print master ": duplicated symbol:", official[o] ":", $0
} else
print master ": bad export line format:", $0
err = 1
}
FILENAME==master && $1==";missing" && NF==2{
# This allows the master file to control how missing symbols
# are handled; symbols that aren't in either the master or
# the new file. Valid values are 'ignore', 'warning' and
# 'error'
missing = $2
}
FILENAME==master {
next
}
# Read new definitions, these are free form but the lines must
# just be symbol definitions. Lines will be commented out for
# 'removed' symbols, introduced in png.h using PNG_REMOVED rather
# than PNG_EXPORT. Use symbols.dfn or pngwin.dfn to generate the
# input file.
#
# symbol @ordinal # two fields, exported symbol
# ; symbol @ordinal # three fields, removed symbol
# ; @ordinal # two fields, the last ordinal
NF==2 && $1 == ";" && $2 ~ /^@[1-9][0-9]*$/ { # last ordinal
o=0+substr($2,2)
if (lasto == 0 || lasto == o)
lasto=o
else {
print "png.h: duplicated last ordinal:", lasto, o
err = 1
}
next
}
NF==3 && $1 == ";" && $3 ~ /^@[1-9][0-9]*$/ { # removed symbol
o=0+substr($3,2)
if (removed[o] == "" || removed[o] == $2) {
removed[o] = $2
if (o > symbolo) symbolo = o
} else {
print "png.h: duplicated removed symbol", o ": '" removed[o] "' != '" $2 "'"
err = 1
}
next
}
NF==2 && $2 ~ /^@[1-9][0-9]*$/ { # exported symbol
o=0+substr($2,2)
if (symbol[o] == "" || symbol[o] == $1) {
symbol[o] = $1
if (o > symbolo) symbolo = o
} else {
print "png.h: duplicated symbol", o ": '" symbol[o] "' != '" $1 "'"
err = 1
}
}
{
next # skip all other lines
}
# At the end check for symbols marked as both duplicated and removed
END{
if (symbolo > lasto) {
print "highest symbol ordinal in png.h,", symbolo ", exceeds last ordinal from png.h", lasto
err = 1
}
if (mastero > lasto) {
print "highest symbol ordinal in", master ",", mastero ", exceeds last ordinal from png.h", lasto
err = 1
}
unexported=0
for (o=1; o<=lasto; ++o) {
if (symbol[o] == "" && removed[o] == "") {
if (unexported == 0) unexported = o
if (official[o] == "") {
# missing in export list too, so ok
if (o < lasto) continue
}
}
if (unexported != 0) {
# Symbols in the .def but not in the new file are errors, but
# the 'unexported' symbols aren't in either. By default this
# is an error too (see the setting of 'missing' at the start),
# but this can be reset on the command line or by stuff in the
# file - see the comments above.
if (missing != "ignore") {
if (o-1 > unexported)
print "png.h:", missing ": missing symbols:", unexported "-" o-1
else
print "png.h:", missing ": missing symbol:", unexported
if (missing != "warning")
err = 1
}
unexported = 0
}
if (symbol[o] != "" && removed[o] != "") {
print "png.h: symbol", o, "both exported as '" symbol[o] "' and removed as '" removed[o] "'"
err = 1
} else if (symbol[o] != official[o]) {
# either the symbol is missing somewhere or it changed
err = 1
if (symbol[o] == "")
print "png.h: symbol", o, "is exported as '" official[o] "' in", master
else if (official[o] == "")
print "png.h: exported symbol", o, "'" symbol[o] "' not present in", master
else
print "png.h: exported symbol", o, "'" symbol[o] "' exists as '" official[o] "' in", master
}
# Finally generate symbols.new
if (symbol[o] != "")
print " " symbol[o], "@" o > "symbols.new"
}
if (err != 0) {
print "*** A new list is in symbols.new ***"
exit 1
}
}

137
src/png/scripts/chkfmt Executable file
View File

@@ -0,0 +1,137 @@
#!/bin/sh
#
# Check the format of the source files in the current directory - checks for a
# line length of 80 characters max and no tab characters.
#
# Optionally arguments are files or directories to check.
#
# -v: output the long lines (makes fixing them easier)
# -e: spawn an editor for each file that needs a change ($EDITOR must be
# defined). When using -e the script MUST be run from an interactive
# command line.
verbose=
edit=
vers=
test "$1" = "-v" && {
shift
verbose=yes
}
test "$1" = "-e" && {
shift
if test -n "$EDITOR"
then
edit=yes
# Copy the standard streams for the editor
exec 3>&0 4>&1 5>&2
else
echo "chkfmt -e: EDITOR must be defined" >&2
exit 1
fi
}
# Function to edit a single file - if the file isn't changed ask the user
# whether or not to continue. This stuff only works if the script is run from
# the command line (otherwise, don't specify -e or you will be sorry).
doed(){
cp "$file" "$file".orig
"$EDITOR" "$file" 0>&3 1>&4 2>&5 3>&- 4>&- 5>&- || exit 1
if cmp -s "$file".orig "$file"
then
rm "$file".orig
echo -n "$file: file not changed, type anything to continue: " >&5
read ans 0>&3
test -n "$ans" || return 1
fi
return 0
}
# In beta versions the version string which appears in files can be a little
# long and cause spuriously overlong lines. To avoid this subtitute the version
# string with a 'standard' version a.b.cc before checking for long lines.
if test -r png.h
then
vers="`sed -n -e \
's/^#define PNG_LIBPNG_VER_STRING .\([0-9]\.[0-9]\.[0-9][0-9a-z]*\).$/\1/p' \
png.h`"
echo "chkfmt: checking version $vers"
fi
if test -z "$vers"
then
echo "chkfmt: png.h not found, ignoring version number" >&2
fi
test -n "$1" || set -- .
find "$@" \( -type d \( -name '.git' -o -name '.libs' -o -name 'projects' \) \
-prune \) -o \( -type f \
! -name '*.[oa]' ! -name '*.l[oa]' ! -name '*.png' ! -name '*.out' \
! -name '*.jpg' ! -name '*.patch' ! -name '*.obj' ! -name '*.exe' \
! -name '*.com' ! -name '*.tar.*' ! -name '*.zip' ! -name '*.ico' \
! -name '*.res' ! -name '*.rc' ! -name '*.mms' ! -name '*.rej' \
! -name '*.dsp' ! -name '*.orig' ! -name '*.dfn' ! -name '*.swp' \
! -name '~*' ! -name '*.3' \
! -name 'missing' ! -name 'mkinstalldirs' ! -name 'depcomp' \
! -name 'aclocal.m4' ! -name 'install-sh' ! -name 'Makefile.in' \
! -name 'ltmain.sh' ! -name 'config*' -print \) | {
st=0
while read file
do
case "$file" in
*.mak|*[Mm]akefile.*|*[Mm]akefile)
# Makefiles require tabs, dependency lines can be this long.
check_tabs=
line_length=100;;
*.awk)
# Includes literal tabs
check_tabs=
# The following is arbitrary
line_length=132;;
*contrib/*/*.[ch])
check_tabs=yes
line_length=96;;
*)
check_tabs=yes
line_length=80;;
esac
# Note that vers can only contain 0-9, . and a-z
if test -n "$vers"
then
sed -e "s/$vers/a.b.cc/g" "$file" >"$file".$$
else
cp "$file" "$file".$$
fi
splt="`fold -$line_length "$file".$$ | diff -c "$file".$$ -`"
rm "$file".$$
if test -n "$splt"
then
echo "$file: lines too long"
st=1
if test -n "$EDITOR" -a -n "$edit"
then
doed "$file" || exit 1
elif test -n "$verbose"
then
echo "$splt"
fi
fi
if test -n "$check_tabs"
then
tab="`tr -c -d '\t' <"$file"`"
if test -n "$tab"
then
echo "$file: file contains tab characters"
st=1
if test -n "$EDITOR" -a -n "$edit"
then
doed "$file" || exit 1
elif test -n "$verbose"
then
echo "$splt"
fi
fi
fi
done
exit $st
}

38
src/png/scripts/def.dfn Normal file
View File

@@ -0,0 +1,38 @@
/* def.dfn - define format of libpng.def
*
* Last changed in libpng version 1.5.0 [(PENDING RELEASE)]
* Copyright (c) 2010-2011 Glenn Randers-Pehrson
*
* This code is released under the libpng license.
* For conditions of distribution and use, see the disclaimer
* and license in png.h
*/
/* These macros exist to make the header and trailer shorter below: */
#define S PNG_DEFN_MAGIC
#define E PNG_DEFN_END
/* Write the export file header: */
S-;---------------------------------------------------------------E
S-; LIBPNG module definition file for OS/2-E
S-;---------------------------------------------------------------E
S--E
S-; If you give the library an explicit name one or other files-E
S-; may need modifying to support the new name on one or more-E
S-; systems.-E
S-LIBRARY-E
S-OS2 DESCRIPTION "PNG image compression library"-E
S-OS2 CODE PRELOAD MOVEABLE DISCARDABLE-E
S--E
S-EXPORTS-E
S-;Version 1.5.0beta58-E
/* NOTE: @@@ is interpreted by the calling script as a signal to
* join the two things on either side, so we can do symbol
* substitution within the name, regular C ## joins the pp-tokens,
* not their final values.
*/
#define PNG_EXPORTA(ordinal, type, name, args, attributes)\
PNG_DEFN_MAGIC- SYMBOL_PREFIX @@@ name-PNG_DEFN_END
#include "../png.h"

30
src/png/scripts/descrip.mms
View File

@@ -33,20 +33,20 @@ clean :
# Other dependencies.
png.obj : png.h, pngconf.h, pngpriv.h
pngpread.obj : png.h, pngconf.h, pngpriv.h
pngset.obj : png.h, pngconf.h, pngpriv.h
pngget.obj : png.h, pngconf.h, pngpriv.h
pngread.obj : png.h, pngconf.h, pngpriv.h
pngrtran.obj : png.h, pngconf.h, pngpriv.h
pngrutil.obj : png.h, pngconf.h, pngpriv.h
pngerror.obj : png.h, pngconf.h, pngpriv.h
pngmem.obj : png.h, pngconf.h, pngpriv.h
pngrio.obj : png.h, pngconf.h, pngpriv.h
pngwio.obj : png.h, pngconf.h, pngpriv.h
pngtrans.obj : png.h, pngconf.h, pngpriv.h
pngwrite.obj : png.h, pngconf.h, pngpriv.h
pngwtran.obj : png.h, pngconf.h, pngpriv.h
pngwutil.obj : png.h, pngconf.h, pngpriv.h
png.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h, pnginfo.h, pngdebug.h
pngpread.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h, pnginfo.h, pngdebug.h
pngset.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h, pnginfo.h, pngdebug.h
pngget.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h, pnginfo.h, pngdebug.h
pngread.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h, pnginfo.h, pngdebug.h
pngrtran.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h, pnginfo.h, pngdebug.h
pngrutil.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h, pnginfo.h, pngdebug.h
pngerror.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h, pnginfo.h, pngdebug.h
pngmem.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h, pnginfo.h, pngdebug.h
pngrio.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h, pnginfo.h, pngdebug.h
pngwio.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h, pnginfo.h, pngdebug.h
pngtrans.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h, pnginfo.h, pngdebug.h
pngwrite.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h, pnginfo.h, pngdebug.h
pngwtran.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h, pnginfo.h, pngdebug.h
pngwutil.obj : png.h, pngconf.h, pnglibconf.h, pngpriv.h, pngstruct.h, pnginfo.h, pngdebug.h
pngtest.obj : png.h, pngconf.h

2
src/png/scripts/libpng-config-head.in
View File

@@ -11,7 +11,7 @@
# Modeled after libxml-config.
version=1.4.4
version=1.5.6
prefix=""
libdir=""
libs=""

6
src/png/scripts/libpng.pc.in
View File

@@ -1,10 +1,10 @@
prefix=@prefix@
exec_prefix=@exec_prefix@
libdir=@libdir@
includedir=@includedir@/libpng14
includedir=@includedir@/libpng15
Name: libpng
Description: Loads and saves PNG files
Version: 1.4.4
Libs: -L${libdir} -lpng14
Version: 1.5.6
Libs: -L${libdir} -lpng15
Cflags: -I${includedir}

56
src/png/scripts/makefile.32sunu
View File

@@ -1,6 +1,6 @@
# makefile for libpng on Solaris 2.x with cc
# Contributed by William L. Sebok, based on makefile.linux
# Copyright (C) 2002, 2006, 2010 Glenn Randers-Pehrson
# Copyright (C) 2002, 2006, 2010-2011 Glenn Randers-Pehrson
# Copyright (C) 1998 Greg Roelofs
# Copyright (C) 1996, 1997 Andreas Dilger
@@ -9,8 +9,8 @@
# and license in png.h
# Library name:
LIBNAME=libpng14
PNGMAJ = 14
LIBNAME=libpng15
PNGMAJ = 15
# Shared library names:
LIBSO=$(LIBNAME).so
@@ -29,7 +29,7 @@ RM_F=/bin/rm -f
SUN_CC_FLAGS=-fast -xtarget=ultra
SUN_LD_FLAGS=-fast -xtarget=ultra
# where make install puts libpng.a, libpng14.so and libpng14/png.h
# where make install puts libpng.a, libpng15.so and libpng15/png.h
prefix=/a
exec_prefix=$(prefix)
@@ -82,6 +82,10 @@ OBJSDLL = $(OBJS:.o=.pic.o)
all: libpng.a $(LIBSO) pngtest libpng.pc libpng-config
include scripts/pnglibconf.mak
DELETE = $(RM_F)
DFNFLAGS = $(DEFS) $(CPPFLAGS)
libpng.a: $(OBJS)
$(AR_RC) $@ $(OBJS)
$(RANLIB) $@
@@ -91,7 +95,7 @@ libpng.pc:
-e s!@exec_prefix@!$(exec_prefix)! \
-e s!@libdir@!$(LIBPATH)! \
-e s!@includedir@!$(INCPATH)! \
-e s!-lpng14!-lpng14\ -lz\ -lm! > libpng.pc
-e s!-lpng15!-lpng15\ -lz\ -lm! > libpng.pc
libpng-config:
( cat scripts/libpng-config-head.in; \
@@ -102,7 +106,7 @@ libpng-config:
echo R_opts=\"-R$(LIBPATH)\"; \
echo ccopts=\"-xtarget=ultra\"; \
echo ldopts=\"-xtarget=ultra\"; \
echo libs=\"-lpng14 -lz -lm\"; \
echo libs=\"-lpng15 -lz -lm\"; \
cat scripts/libpng-config-body.in ) > libpng-config
chmod +x libpng-config
@@ -131,12 +135,12 @@ pngtest: pngtest.o $(LIBSO)
test: pngtest
./pngtest
install-headers: png.h pngconf.h
install-headers: png.h pngconf.h pnglibconf.h
-@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
-@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
cp png.h pngconf.h $(DI)/$(LIBNAME)
chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
-@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
cp png.h pngconf.h pnglibconf.h $(DI)/$(LIBNAME)
chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h $(DI)/$(LIBNAME)/pnglibconf.h
-@$(RM_F) $(DI)/png.h $(DI)/pngconf.h $(DI)/pnglibconf.h
-@$(RM_F) $(DI)/libpng
(cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
@@ -218,20 +222,20 @@ writelock:
# DO NOT DELETE THIS LINE -- make depend depends on it.
png.o png.pic.o: png.h pngconf.h pngpriv.h
pngerror.o pngerror.pic.o: png.h pngconf.h pngpriv.h
pngrio.o pngrio.pic.o: png.h pngconf.h pngpriv.h
pngwio.o pngwio.pic.o: png.h pngconf.h pngpriv.h
pngmem.o pngmem.pic.o: png.h pngconf.h pngpriv.h
pngset.o pngset.pic.o: png.h pngconf.h pngpriv.h
pngget.o pngget.pic.o: png.h pngconf.h pngpriv.h
pngread.o pngread.pic.o: png.h pngconf.h pngpriv.h
pngrtran.o pngrtran.pic.o: png.h pngconf.h pngpriv.h
pngrutil.o pngrutil.pic.o: png.h pngconf.h pngpriv.h
pngtrans.o pngtrans.pic.o: png.h pngconf.h pngpriv.h
pngwrite.o pngwrite.pic.o: png.h pngconf.h pngpriv.h
pngwtran.o pngwtran.pic.o: png.h pngconf.h pngpriv.h
pngwutil.o pngwutil.pic.o: png.h pngconf.h pngpriv.h
pngpread.o pngpread.pic.o: png.h pngconf.h pngpriv.h
png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngtest.o: png.h pngconf.h
pngtest.o: png.h pngconf.h pnglibconf.h

56
src/png/scripts/makefile.64sunu
View File

@@ -1,6 +1,6 @@
# makefile for libpng on Solaris 2.x with cc
# Contributed by William L. Sebok, based on makefile.linux
# Copyright (C) 2002, 2006, 2010 Glenn Randers-Pehrson
# Copyright (C) 2002, 2006, 2010-2011 Glenn Randers-Pehrson
# Copyright (C) 1998 Greg Roelofs
# Copyright (C) 1996, 1997 Andreas Dilger
@@ -9,8 +9,8 @@
# and license in png.h
# Library name:
LIBNAME=libpng14
PNGMAJ = 14
LIBNAME=libpng15
PNGMAJ = 15
# Shared library names:
LIBSO=$(LIBNAME).so
@@ -29,7 +29,7 @@ RM_F=/bin/rm -f
SUN_CC_FLAGS=-fast -xtarget=ultra -xarch=v9
SUN_LD_FLAGS=-fast -xtarget=ultra -xarch=v9
# where make install puts libpng.a, libpng14.so and libpng14/png.h
# where make install puts libpng.a, libpng15.so and libpng15/png.h
prefix=/a
exec_prefix=$(prefix)
@@ -47,7 +47,7 @@ WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
-Wstrict-prototypes -Wmissing-prototypes #-Wconversion
CFLAGS=-I$(ZLIBINC) $(SUN_CC_FLAGS) \
# $(WARNMORE) -g -DPNG_DEBUG=5
LDFLAGS=-L. -R. $(SUN_LD_FLAGS) -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng14 -lz -lm
LDFLAGS=-L. -R. $(SUN_LD_FLAGS) -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng15 -lz -lm
INCPATH=$(prefix)/include
LIBPATH=$(exec_prefix)/lib
@@ -82,6 +82,10 @@ OBJSDLL = $(OBJS:.o=.pic.o)
all: libpng.a $(LIBSO) pngtest libpng.pc libpng-config
include scripts/pnglibconf.mak
DELETE = $(RM_F)
DFNFLAGS = $(DEFS) $(CPPFLAGS)
libpng.a: $(OBJS)
$(AR_RC) $@ $(OBJS)
$(RANLIB) $@
@@ -91,7 +95,7 @@ libpng.pc:
-e s!@exec_prefix@!$(exec_prefix)! \
-e s!@libdir@!$(LIBPATH)! \
-e s!@includedir@!$(INCPATH)! \
-e s!-lpng14!-lpng14\ -lz\ -lm! > libpng.pc
-e s!-lpng15!-lpng15\ -lz\ -lm! > libpng.pc
libpng-config:
( cat scripts/libpng-config-head.in; \
@@ -102,7 +106,7 @@ libpng-config:
echo R_opts=\"-R$(LIBPATH)\"; \
echo ccopts=\"-xtarget=ultra -xarch=v9\"; \
echo ldopts=\"-xtarget=ultra -xarch=v9\"; \
echo libs=\"-lpng14 -lz -lm\"; \
echo libs=\"-lpng15 -lz -lm\"; \
cat scripts/libpng-config-body.in ) > libpng-config
chmod +x libpng-config
@@ -134,9 +138,9 @@ test: pngtest
install-headers: png.h pngconf.h
-@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
-@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
cp png.h pngconf.h $(DI)/$(LIBNAME)
chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
-@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
cp png.h pngconf.h pnglibconf.h $(DI)/$(LIBNAME)
chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h $(DI)/$(LIBNAME)/pnglibconf.h
-@$(RM_F) $(DI)/png.h $(DI)/pngconf.h $(DI)/pnglibconf.h
-@$(RM_F) $(DI)/libpng
(cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
@@ -218,20 +222,20 @@ writelock:
# DO NOT DELETE THIS LINE -- make depend depends on it.
png.o png.pic.o: png.h pngconf.h pngpriv.h
pngerror.o pngerror.pic.o: png.h pngconf.h pngpriv.h
pngrio.o pngrio.pic.o: png.h pngconf.h pngpriv.h
pngwio.o pngwio.pic.o: png.h pngconf.h pngpriv.h
pngmem.o pngmem.pic.o: png.h pngconf.h pngpriv.h
pngset.o pngset.pic.o: png.h pngconf.h pngpriv.h
pngget.o pngget.pic.o: png.h pngconf.h pngpriv.h
pngread.o pngread.pic.o: png.h pngconf.h pngpriv.h
pngrtran.o pngrtran.pic.o: png.h pngconf.h pngpriv.h
pngrutil.o pngrutil.pic.o: png.h pngconf.h pngpriv.h
pngtrans.o pngtrans.pic.o: png.h pngconf.h pngpriv.h
pngwrite.o pngwrite.pic.o: png.h pngconf.h pngpriv.h
pngwtran.o pngwtran.pic.o: png.h pngconf.h pngpriv.h
pngwutil.o pngwutil.pic.o: png.h pngconf.h pngpriv.h
pngpread.o pngpread.pic.o: png.h pngconf.h pngpriv.h
png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngtest.o: png.h pngconf.h
pngtest.o: png.h pngconf.h pnglibconf.h

7
src/png/scripts/makefile.acorn
View File

@@ -43,8 +43,15 @@ Test: @.pngtest
.c.o:
cc $(ccflags) -o $@ $<
# See scripts.mak.libpngconf for how to generate this:
@.h.libpngconf: @.scripts.h.libpngconf
copy @.scripts.h.libpngconf $@
# Static dependencies:
@.o.png @.o.pngerror @.o.pngrio @.o.pngwio @.o.pngmem \
@.o.pngpread @.o.pngset @.o.pngget @.o.pngread @.o.pngrtran \
@.o.pngrutil @.o.pngtrans @.o.pngwrite @.o.pngwtran @.o.pngwutil \
@.o.pngtest: @.h.libpngconf
# Dynamic dependencies:

53
src/png/scripts/makefile.aix
View File

@@ -21,8 +21,8 @@ RANLIB = ranlib
RM_F = rm -f
LN_SF = ln -f -s
LIBNAME=libpng14
PNGMAJ = 14
LIBNAME=libpng15
PNGMAJ = 15
prefix=/usr/local
INCPATH=$(prefix)/include
@@ -46,8 +46,8 @@ LDDEBUG =
CRELEASE = -O2
LDRELEASE = -s
WARNMORE=-W -Wall
CFLAGS = -D_ALL_SOURCE -I$(ZLIBINC) $(WARNMORE) $(CRELEASE)
LDFLAGS = -L. -L$(ZLIBLIB) -lpng14 -lz -lm $(LDRELEASE)
CFLAGS = -I$(ZLIBINC) $(WARNMORE) $(CRELEASE)
LDFLAGS = -L. -L$(ZLIBLIB) -lpng15 -lz -lm $(LDRELEASE)
# File extensions
O=.o
@@ -62,6 +62,10 @@ OBJS = png$(O) pngerror$(O) pngget$(O) pngmem$(O) pngpread$(O) \
# Targets
all: $(LIBNAME)$(A) pngtest$(E)
include scripts/pnglibconf.mak
REMOVE = $(RM_F)
DFNFLAGS = $(DEFS) $(CPPFLAGS)
$(LIBNAME)$(A): $(OBJS)
$(AR_RC) $@ $(OBJS)
$(RANLIB) $@
@@ -78,11 +82,14 @@ install: $(LIBNAME)$(A)
-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-@$(RM_F) $(DI)/$(LIBNAME)/png.h
-@$(RM_F) $(DI)/$(LIBNAME)/pngconf.h
-@$(RM_F) $(DI)/$(LIBNAME)/pnglibconf.h
-@$(RM_F) $(DI)/png.h
-@$(RM_F) $(DI)/pngconf.h
cp png.h pngconf.h $(DI)/$(LIBNAME)
-@$(RM_F) $(DI)/pnglibconf.h
cp png.h pngconf.h pnglibconf.h $(DI)/$(LIBNAME)
chmod 644 $(DI)/$(LIBNAME)/png.h \
$(DI)/$(LIBNAME)/pngconf.h
$(DI)/$(LIBNAME)/pngconf.h \
$(DI)/$(LIBNAME)/pnglibconf.h
-@$(RM_F) -r $(DI)/libpng
(cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
-@$(RM_F) $(DL)/$(LIBNAME)$(A)
@@ -93,22 +100,22 @@ install: $(LIBNAME)$(A)
(cd $(DI); $(LN_SF) libpng/* .;)
clean:
$(RM_F) *.o $(LIBNAME)$(A) pngtest pngout.png
$(RM_F) *.o $(LIBNAME)$(A) pngtest pngout.png pnglibconf.h
png$(O): png.h pngconf.h pngpriv.h
pngerror$(O): png.h pngconf.h pngpriv.h
pngget$(O): png.h pngconf.h pngpriv.h
pngmem$(O): png.h pngconf.h pngpriv.h
pngpread$(O): png.h pngconf.h pngpriv.h
pngread$(O): png.h pngconf.h pngpriv.h
pngrio$(O): png.h pngconf.h pngpriv.h
pngrtran$(O): png.h pngconf.h pngpriv.h
pngrutil$(O): png.h pngconf.h pngpriv.h
pngset$(O): png.h pngconf.h pngpriv.h
pngtrans$(O): png.h pngconf.h pngpriv.h
pngwio$(O): png.h pngconf.h pngpriv.h
pngwrite$(O): png.h pngconf.h pngpriv.h
pngwtran$(O): png.h pngconf.h pngpriv.h
pngwutil$(O): png.h pngconf.h pngpriv.h
png$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngerror$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngget$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngmem$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngpread$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngread$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrio$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrtran$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrutil$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngset$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngtrans$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwio$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwrite$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwtran$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwutil$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngtest$(O): png.h pngconf.h
pngtest$(O): png.h pngconf.h pnglibconf.h

9
src/png/scripts/makefile.amiga
View File

@@ -6,8 +6,6 @@
# For conditions of distribution and use, see the disclaimer
# and license in png.h
#
# Note: Use #define PNG_READ_BIG_ENDIAN_SUPPORTED in pngconf.h
#
# Location/path of zlib include files
ZLIB=/zlib
#compiler
@@ -26,6 +24,8 @@ LDLIBS= libpng.lib libgz.lib LIB:scm.lib LIB:sc.lib Lib:amiga.lib
LN= slink
# file deletion command
RM= delete quiet
# file copy command?
CP= copy
# library (.lib) file creation command
AR= oml
# make directory command
@@ -41,6 +41,11 @@ libpng.lib: $(OBJS)
-$(RM) libpng.lib
$(AR) libpng.lib r $(OBJS)
$(OBJS): pngpriv.h png.h pngconf.h pnglibconf.h pnginfo.h pngstruct.h pngdebug.h
pnglibconf.h: scripts/pnglibconf.h.prebuilt
$(CP) scripts/pnglibconf.h.prebuilt pnglibconf.h
pngtest: pngtest.o libpng.lib
$(LN) <WITH <
$(LDFLAGS)

8
src/png/scripts/makefile.atari
View File

@@ -38,6 +38,11 @@ all: $(LBR) pngtest.ttp
$(LBR): $(OBJS)
$(OBJS): pngpriv.h png.h pngconf.h pnglibconf.h pnginfo.h pngstruct.h pngdebug.h
pnglibconf.h: scripts/pnglibconf.h.prebuilt
cp scripts/pnglibconf.h.prebuilt pnglibconf.h
pngtest.ttp: pngtest.o $(LBR)
$(CC) $(CFLAGS) $(LDFLAGS) -o$@ pngtest.o
@@ -47,9 +52,12 @@ install: libpng.a
-@mkdir $(DESTDIR)$(LIBPATH)
-@rm -f $(DESTDIR)$(INCPATH)/png.h
-@rm -f $(DESTDIR)$(INCPATH)/pngconf.h
-@rm -f $(DESTDIR)$(INCPATH)/pnglibconf.h
cp png.h $(DESTDIR)$(INCPATH)/libpng
cp pngconf.h $(DESTDIR)$(INCPATH)/libpng
cp pnglibconf.h $(DESTDIR)$(INCPATH)/libpng
chmod 644 $(DESTDIR)$(INCPATH)/libpng/png.h
chmod 644 $(DESTDIR)$(INCPATH)/libpng/pngconf.h
chmod 644 $(DESTDIR)$(INCPATH)/libpng/pnglibconf.h
(cd $(DESTDIR)$(INCPATH); ln -f -s $(LIBNAME) libpng; \
ln -f -s $(LIBNAME)/* .)

38
src/png/scripts/makefile.bc32
View File

@@ -109,22 +109,27 @@ test: pngtest.exe
## Minor Targets
png.obj: png.c png.h pngconf.h pngpriv.h
pngerror.obj: pngerror.c png.h pngconf.h pngpriv.h
pngget.obj: pngget.c png.h pngconf.h pngpriv.h
pngmem.obj: pngmem.c png.h pngconf.h pngpriv.h
pngpread.obj: pngpread.c png.h pngconf.h pngpriv.h
pngread.obj: pngread.c png.h pngconf.h pngpriv.h
pngrio.obj: pngrio.c png.h pngconf.h pngpriv.h
pngrtran.obj: pngrtran.c png.h pngconf.h pngpriv.h
pngrutil.obj: pngrutil.c png.h pngconf.h pngpriv.h
pngset.obj: pngset.c png.h pngconf.h pngpriv.h
pngtrans.obj: pngtrans.c png.h pngconf.h pngpriv.h
pngwio.obj: pngwio.c png.h pngconf.h pngpriv.h
pngwrite.obj: pngwrite.c png.h pngconf.h pngpriv.h
pngwtran.obj: pngwtran.c png.h pngconf.h pngpriv.h
pngwutil.obj: pngwutil.c png.h pngconf.h pngpriv.h
pngtest.obj: pngtest.c png.h pngconf.h
# see scripts\pnglibconf.mak for how to make this file
# with different options
pnglibconf.h: scripts\pnglibconf.h.prebuilt
copy scripts\pnglibconf.h.prebuilt $@
png.obj: png.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngerror.obj: pngerror.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngget.obj: pngget.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngmem.obj: pngmem.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngpread.obj: pngpread.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngread.obj: pngread.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrio.obj: pngrio.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrtran.obj: pngrtran.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrutil.obj: pngrutil.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngset.obj: pngset.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngtrans.obj: pngtrans.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwio.obj: pngwio.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwrite.obj: pngwrite.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwtran.obj: pngwtran.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwutil.obj: pngwutil.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngtest.obj: pngtest.c png.h pngconf.h pnglibconf.h
$(LIBNAME): $(OBJS)
-del $(LIBNAME)
@@ -134,6 +139,7 @@ $(LIBOBJS), libpng
# Cleanup
clean:
-del pnglibconf.h
-del *.obj
-del $(LIBNAME)
-del pngtest.exe

61
src/png/scripts/makefile.beos
View File

@@ -1,6 +1,6 @@
# makefile for libpng on BeOS x86 ELF with gcc
# modified from makefile.linux by Sander Stoks
# Copyright (C) 2002, 2006, 2008, 2010 Glenn Randers-Pehrson
# Copyright (C) 2002, 2006, 2008, 2010-2011 Glenn Randers-Pehrson
# Copyright (C) 1999 Greg Roelofs
# Copyright (C) 1996, 1997 Andreas Dilger
#
@@ -9,8 +9,8 @@
# and license in png.h
# Library name:
LIBNAME=libpng14
PNGMAJ = 14
LIBNAME=libpng15
PNGMAJ = 15
# Shared library names:
LIBSO=$(LIBNAME).so
@@ -45,7 +45,7 @@ CFLAGS=-I$(ZLIBINC) -W -Wall -O1 -funroll-loops \
# LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng -lz
LDFLAGS=-L. -Wl,-soname=$(LIBSOMAJ) -L$(ZLIBLIB) -lz
# where make install puts libpng.a, libpng14.so*, and png.h
# where make install puts libpng.a, libpng15.so*, and png.h
prefix=/usr/local
exec_prefix=$(prefix)
INCPATH=$(prefix)/include
@@ -78,6 +78,10 @@ OBJSDLL = $(OBJS)
all: libpng.a $(LIBSO) pngtest libpng.pc libpng-config
# try include scripts/pnglibconf.mak for more options
pnglibconf.h: scripts/pnglibconf.h.prebuilt
cp scripts/pnglibconf.h.prebuilt $@
libpng.a: $(OBJS)
$(AR_RC) $@ $(OBJS)
$(RANLIB) $@
@@ -87,13 +91,13 @@ libpng.pc:
-e s!@exec_prefix@!$(exec_prefix)! \
-e s!@libdir@!$(LIBPATH)! \
-e s!@includedir@!$(INCPATH)! \
-e s!-lpng14!-lpng14\ -lz\ -lm! > libpng.pc
-e s!-lpng15!-lpng15\ -lz\ -lm! > libpng.pc
libpng-config:
( cat scripts/libpng-config-head.in; \
echo prefix=\"$(prefix)\"; \
echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
echo libs=\"-lpng14 -lz \"; \
echo libs=\"-lpng15 -lz \"; \
cat scripts/libpng-config-body.in ) > libpng-config
chmod +x libpng-config
@@ -106,17 +110,17 @@ $(LIBSOMAJ): $(OBJSDLL)
$(LIBSOMAJ) $(OBJSDLL) $(LDFLAGS)
pngtest: pngtest.o $(LIBSO)
$(CC) -L$(ZLIBLIB) -L. -lz -lpng14 -o pngtest pngtest.o
$(CC) -L$(ZLIBLIB) -L. -lz -lpng15 -o pngtest pngtest.o
test: pngtest
./pngtest
install-headers: png.h pngconf.h
install-headers: png.h pngconf.h pnglibconf.h
-@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
-@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
cp png.h pngconf.h $(DI)/$(LIBNAME)
chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
-@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
cp png.h pngconf.h pnglibconf.h $(DI)/$(LIBNAME)
chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h $(DI)/$(LIBNAME)/pnglibconf.h
-@$(RM_F) $(DI)/png.h $(DI)/pngconf.h $(DI)/pnglibconf.h
-@$(RM_F) $(DI)/libpng
(cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
@@ -128,7 +132,6 @@ install-static: install-headers libpng.a
(cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
install-shared: install-headers $(LIBSOMAJ) libpng.pc
-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-@$(RM_F) $(DL)/$(LIBSO)
-@$(RM_F) $(DL)/$(LIBSOREL)
@@ -189,24 +192,24 @@ test-installed:
clean:
$(RM_F) *.o libpng.a pngtest pngout.png libpng-config \
$(LIBSO) $(LIBSOMAJ)* pngtesti \
libpng.pc
pnglibconf.h libpng.pc
# DO NOT DELETE THIS LINE -- make depend depends on it.
png.o png.pic.o: png.h pngconf.h pngpriv.h
pngerror.o pngerror.pic.o: png.h pngconf.h pngpriv.h
pngrio.o pngrio.pic.o: png.h pngconf.h pngpriv.h
pngwio.o pngwio.pic.o: png.h pngconf.h pngpriv.h
pngmem.o pngmem.pic.o: png.h pngconf.h pngpriv.h
pngset.o pngset.pic.o: png.h pngconf.h pngpriv.h
pngget.o pngget.pic.o: png.h pngconf.h pngpriv.h
pngread.o pngread.pic.o: png.h pngconf.h pngpriv.h
pngrtran.o pngrtran.pic.o: png.h pngconf.h pngpriv.h
pngrutil.o pngrutil.pic.o: png.h pngconf.h pngpriv.h
pngtrans.o pngtrans.pic.o: png.h pngconf.h pngpriv.h
pngwrite.o pngwrite.pic.o: png.h pngconf.h pngpriv.h
pngwtran.o pngwtran.pic.o: png.h pngconf.h pngpriv.h
pngwutil.o pngwutil.pic.o: png.h pngconf.h pngpriv.h
pngpread.o pngpread.pic.o: png.h pngconf.h pngpriv.h
png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngtest.o: png.h pngconf.h
pngtest.o: png.h pngconf.h pnglibconf.h

37
src/png/scripts/makefile.bor
View File

@@ -108,6 +108,10 @@ LIBNAME=libpng$(MODEL).lib
all: libpng pngtest
# try !inlude scripts\pnglibconf.mak for more options
pnglibconf.h: scripts\pnglibconf.h.prebuilt
copy scripts\pnglibconf.h.prebuilt $@
libpng: $(LIBNAME)
pngtest: pngtest$(MODEL).exe
@@ -117,21 +121,21 @@ test: pngtest$(MODEL).exe
## Minor Targets
png.obj: png.c png.h pngconf.h pngpriv.h
pngerror.obj: pngerror.c png.h pngconf.h pngpriv.h
pngget.obj: pngget.c png.h pngconf.h pngpriv.h
pngmem.obj: pngmem.c png.h pngconf.h pngpriv.h
pngpread.obj: pngpread.c png.h pngconf.h pngpriv.h
pngread.obj: pngread.c png.h pngconf.h pngpriv.h
pngrio.obj: pngrio.c png.h pngconf.h pngpriv.h
pngrtran.obj: pngrtran.c png.h pngconf.h pngpriv.h
pngrutil.obj: pngrutil.c png.h pngconf.h pngpriv.h
pngset.obj: pngset.c png.h pngconf.h pngpriv.h
pngtrans.obj: pngtrans.c png.h pngconf.h pngpriv.h
pngwio.obj: pngwio.c png.h pngconf.h pngpriv.h
pngwrite.obj: pngwrite.c png.h pngconf.h pngpriv.h
pngwtran.obj: pngwtran.c png.h pngconf.h pngpriv.h
pngwutil.obj: pngwutil.c png.h pngconf.h pngpriv.h
png.obj: png.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngerror.obj: pngerror.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngget.obj: pngget.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngmem.obj: pngmem.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngpread.obj: pngpread.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngread.obj: pngread.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrio.obj: pngrio.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrtran.obj: pngrtran.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrutil.obj: pngrutil.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngset.obj: pngset.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngtrans.obj: pngtrans.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwio.obj: pngwio.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwrite.obj: pngwrite.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwtran.obj: pngwtran.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwutil.obj: pngwutil.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
$(LIBNAME): $(OBJS)
-del $(LIBNAME)
@@ -139,7 +143,7 @@ $(LIBNAME): $(OBJS)
$(LIBOBJS), libpng$(MODEL)
|
pngtest$(MODEL).obj: pngtest.c png.h pngconf.h
pngtest$(MODEL).obj: pngtest.c png.h pngconf.h pnglibconf.h
$(CC) $(CFLAGS) -opngtest$(MODEL) -c pngtest.c
pngtest$(MODEL).exe: pngtest$(MODEL).obj
@@ -147,6 +151,7 @@ pngtest$(MODEL).exe: pngtest$(MODEL).obj
# Clean up anything else you want
clean:
-del pnglibconf.h
-del *.obj
-del *.exe
-del *.lib

17
src/png/scripts/makefile.cegcc
View File

@@ -22,16 +22,16 @@
# make clean
VERMAJ = 1
VERMIN = 4
VERMIC = 4
VERMIN = 5
VERMIC = 6
VER = $(VERMAJ).$(VERMIN).$(VERMIC)
NAME = libpng
PACKAGE = $(NAME)-$(VER)
BIN = libpng14-0.dll
LIB = libpng14.a libpng14.dll.a libpng.a libpng.dll.a scripts/png32ce.def
INCLUDE = png.h pngconf.h pngpriv.h
PC = libpng14.pc libpng.pc
BIN = libpng15-0.dll
LIB = libpng15.a libpng15.dll.a libpng.a libpng.dll.a
INCLUDE = png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
PC = libpng15.pc libpng.pc
MANIFESTVERBIN = "Libpng-$(VER): Binary files"
MANIFESTVERDEV = "Libpng-$(VER): Developer files"
@@ -64,7 +64,10 @@ copy-src:
compilation:
@echo " * Compilation of $(PACKAGE)"
cd $(PACKAGE) && CPPFLAGS="$(CPPFLAGS) -DPNG_BUILD_DLL -DPNG_CONSOLE_IO_SUPPORTED -D_WIN32_WCE=0x0420" CFLAGS="$(CFLAGS) -mms-bitfields -O3 -pipe -fomit-frame-pointer" LDFLAGS="$(LDFLAGS) -Wl,--enable-auto-import -Wl,-s" ./configure --prefix=/opt/wince --host=arm-mingw32ce && make
cd $(PACKAGE) && CPPFLAGS="$(CPPFLAGS) -DPNG_CONSOLE_IO_SUPPORTED -D_WIN32_WCE=0x0420" \
CFLAGS="$(CFLAGS) -mms-bitfields -O3 -pipe -fomit-frame-pointer" \
LDFLAGS="$(LDFLAGS) -Wl,--enable-auto-import -Wl,-s" \
./configure --prefix=/opt/wince --host=arm-mingw32ce && make
copy:
@echo " * Copy of binary and development files"

291
src/png/scripts/makefile.cygwin
View File

@@ -1,291 +0,0 @@
# makefile for cygwin on x86
# Builds both dll (with import lib) and static lib versions
# of the library, and builds two copies of pngtest: one
# statically linked and one dynamically linked.
#
# Copyright (C) 2002, 2006-2008 Soren Anderson, Charles Wilson,
# and Glenn Randers-Pehrson, based on makefile for linux-elf w/mmx by:
# Copyright (C) 1998-2000 Greg Roelofs
# Copyright (C) 1996, 1997 Andreas Dilger
#
# This code is released under the libpng license.
# For conditions of distribution and use, see the disclaimer
# and license in png.h
# This makefile intends to support building outside the src directory
# if desired. When invoking it, specify an argument to SRCDIR on the
# command line that points to the top of the directory where your source
# is located.
ifdef SRCDIR
VPATH = $(SRCDIR)
else
SRCDIR = .
endif
# Override DESTDIR= on the make install command line to easily support
# installing into a temporary location. Example:
#
# make install DESTDIR=/tmp/build/libpng
#
# If you're going to install into a temporary location
# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
# you execute make install.
DESTDIR=
CC=gcc
ifdef MINGW
MINGW_CCFLAGS=-mno-cygwin -I/usr/include/mingw
MINGW_LDFLAGS=-mno-cygwin -L/usr/lib/mingw
endif
# Where "make install" puts libpng*.a, *png*.dll, png.h, and pngconf.h
ifndef prefix
prefix=/usr
$(warning You haven't specified a 'prefix=' location. Defaulting to "/usr")
endif
exec_prefix=$(prefix)
# Where the zlib library and include files are located
ZLIBLIB= /usr/lib
ZLIBINC=
#ZLIBLIB=../zlib
#ZLIBINC=../zlib
ALIGN=
# for i386:
#ALIGN=-malign-loops=2 -malign-functions=2
WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
-Wmissing-declarations -Wtraditional -Wcast-align \
-Wstrict-prototypes -Wmissing-prototypes #-Wconversion
CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
-W -Wall -O3 $(ALIGN) -funroll-loops \
-fomit-frame-pointer) # $(WARNMORE) -g -DPNG_DEBUG=5
LIBNAME = libpng14
PNGMAJ = 14
CYGDLL = 14
SHAREDLIB=cygpng$(CYGDLL).dll
STATLIB=libpng.a
IMPLIB=libpng.dll.a
SHAREDDEF=libpng.def
LIBS=$(SHAREDLIB) $(STATLIB)
EXE=.exe
LDFLAGS=$(strip -L. $(MINGW_LDFLAGS) -lpng $(addprefix -L,$(ZLIBLIB)) -lz)
LDSFLAGS=$(strip -shared -L. $(MINGW_LDFLAGS) -Wl,--export-all)
LDEXTRA=-Wl,--out-implib=$(IMPLIB) $(addprefix -L,$(ZLIBLIB)) -lz
MKDIR_P=/bin/mkdir -pv
RANLIB=ranlib
#RANLIB=echo
INCPATH=$(prefix)/include
LIBPATH=$(exec_prefix)/lib
BINPATH=$(exec_prefix)/bin
MANPATH=$(prefix)/man
MAN3PATH=$(MANPATH)/man3
MAN5PATH=$(MANPATH)/man5
# cosmetic: shortened strings:
S =$(SRCDIR)
D =$(DESTDIR)
DB =$(D)$(BINPATH)
DI =$(D)$(INCPATH)
DL =$(D)$(LIBPATH)
OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
pngwtran.o pngmem.o pngerror.o pngpread.o
OBJSDLL = $(OBJS:.o=.pic.o)
.SUFFIXES: .c .o .pic.o
%.o : %.c
$(CC) -c $(CFLAGS) -o $@ $<
%.pic.o : CFLAGS += -DPNG_BUILD_DLL
%.pic.o : %.c
$(CC) -c $(CFLAGS) -o $@ $<
all: all-static all-shared libpng.pc libpng-config libpng.pc libpng-config
# Make this to verify that "make [...] install" will do what you want.
buildsetup-tell:
@echo VPATH is set to: \"$(VPATH)\"
@echo prefix is set to: \"$(prefix)\"
@echo -e INCPATH,LIBPATH, etc. are set to:'\n' \
$(addprefix $(D),$(INCPATH)'\n' $(LIBPATH)'\n' $(BINPATH)'\n' \
$(MANPATH)'\n' $(MAN3PATH)'\n' $(MAN5PATH)'\n')'\n'
libpng.pc: scripts/libpng.pc.in
@echo -e Making pkg-config file for this libpng installation..'\n' \
using PREFIX=\"$(prefix)\"'\n'
cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
-e s!@exec_prefix@!$(exec_prefix)! \
-e s!@libdir@!$(LIBPATH)! \
-e s!@includedir@!$(INCPATH)! \
-e s!-lpng14!-lpng14\ -lz! > libpng.pc
libpng-config: scripts/libpng-config-head.in scripts/libpng-config-body.in
@echo -e Making $(LIBNAME) libpng-config file for this libpng \
installation..'\n' using PREFIX=\"$(prefix)\"'\n'
( cat $(S)/scripts/libpng-config-head.in; \
echo prefix=\"$(prefix)\"; \
echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
echo L_opts=\"-L$(LIBPATH)\"; \
echo libs=\"-lpng$(CYGDLL) -lz\"; \
cat $(S)/scripts/libpng-config-body.in ) > libpng-config
chmod +x libpng-config
static: all-static
shared: all-shared
all-static: $(STATLIB) pngtest-stat$(EXE)
all-shared: $(SHAREDLIB) pngtest$(EXE)
$(STATLIB): $(OBJS)
ar rc $@ $(OBJS)
$(RANLIB) $@
$(SHAREDDEF): scripts/pngwin.def
cat $< | sed -e '1{G;s/^\(.*\)\(\n\)/EXPORTS/;};2,/^EXPORTS/d' | \
sed -e 's/\([^;]*\);/;/' > $@
$(SHAREDLIB): $(OBJSDLL) $(SHAREDDEF)
$(CC) $(LDSFLAGS) -o $@ $(OBJSDLL) -L. $(LDEXTRA)
pngtest$(EXE): pngtest.pic.o $(SHAREDLIB)
$(CC) $(CFLAGS) $< $(LDFLAGS) -o $@
pngtest-stat$(EXE): pngtest.o $(STATLIB)
$(CC) -static $(CFLAGS) $< $(LDFLAGS) -o $@
pngtest.pic.o: pngtest.c
$(CC) $(CFLAGS) -c $< -o $@
pngtest.o: pngtest.c png.h pngconf.h
$(CC) $(CFLAGS) -c $< -o $@
test: test-static test-shared
test-static: pngtest-stat$(EXE)
./pngtest-stat $(S)/pngtest.png
test-shared: pngtest$(EXE)
./pngtest $(S)/pngtest.png
install-static: $(STATLIB) install-headers install-man
-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
install -m 644 $(STATLIB) $(DL)/$(LIBNAME).a
-@rm -f $(DL)/$(STATLIB)
(cd $(DL); ln -sf $(LIBNAME).a $(STATLIB))
install-shared: $(SHAREDLIB) libpng.pc libpng-config install-headers install-man
-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
-@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
-@/bin/rm -f $(DL)/pkgconfig/libpng.pc
install -m 644 $(IMPLIB) $(DL)/$(LIBNAME).dll.a
-@rm -f $(DL)/$(IMPLIB)
(cd $(DL); ln -sf $(LIBNAME).dll.a $(IMPLIB))
install -s -m 755 $(SHAREDLIB) $(DB)
install -m 644 libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
(cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
install-headers:
-@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
-@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
-@rm -f $(DI)/png.h
-@rm -f $(DI)/pngconf.h
install -m 644 $(S)/png.h $(S)/pngconf.h $(DI)/$(LIBNAME)
-@rm -f $(DI)/libpng
(cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
install-man:
-@if [ ! -d $(D)$(MAN3PATH) ]; then $(MKDIR_P) $(D)$(MAN3PATH); fi
-@if [ ! -d $(D)$(MAN5PATH) ]; then $(MKDIR_P) $(D)$(MAN5PATH); fi
install -m 644 $(S)/libpngpf.3 $(S)/libpng.3 $(D)$(MAN3PATH)
install -m 644 $(S)/png.5 $(D)$(MAN5PATH)
install-config: libpng-config
-@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
-@/bin/rm -f $(DB)/libpng-config
-@/bin/rm -f $(DB)/$(LIBNAME)-config
cp libpng-config $(DB)/$(LIBNAME)-config
chmod 755 $(DB)/$(LIBNAME)-config
(cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
# Run this to verify that a future `configure' run will pick up the settings
# you want.
test-config-install: SHELL=/bin/bash
test-config-install: $(DB)/libpng-config
@echo -e Testing libpng-config functions...'\n'
@ for TYRA in LDFLAGS CPPFLAGS CFLAGS LIBS VERSION; \
do \
printf "(%d)\t %10s =%s\n" $$(($$gytiu + 1)) $$TYRA \
"$$($(DB)/libpng-config `echo --$$TYRA |tr '[:upper:]' '[:lower:]'`)"; \
gytiu=$$(( $$gytiu + 1 )); \
done
install: install-static install-shared install-man install-config
# If you installed in $(DESTDIR), test-installed won't work until you
# move the library to its final location. Use test-dd to test it
# before then.
test-dd:
echo
echo Testing installed dynamic shared library in $(DL).
$(CC) -I$(DI) $(CFLAGS) \
`$(BINPATH)/libpng14-config --cflags` pngtest.c \
-L$(DL) -L$(ZLIBLIB) \
-o pngtestd `$(BINPATH)/libpng14-config --ldflags`
./pngtestd pngtest.png
test-installed:
$(CC) $(CFLAGS) \
`$(BINPATH)/libpng14-config --cflags` pngtest.c \
-L$(ZLIBLIB) \
-o pngtesti$(EXE) `$(BINPATH)/libpng14-config --ldflags`
./pngtesti$(EXE) pngtest.png
clean:
/bin/rm -f *.pic.o *.o $(STATLIB) $(IMPLIB) $(SHAREDLIB) \
pngtest-stat$(EXE) pngtest$(EXE) pngout.png $(SHAREDDEF) \
libpng-config libpng.pc pngtesti$(EXE)
DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
writelock:
chmod a-w *.[ch35] $(DOCS) scripts/*
.PHONY: buildsetup-tell libpng.pc libpng-config test-config-install clean
# DO NOT DELETE THIS LINE -- make depend depends on it.
png.o png.pic.o: png.h pngconf.h pngpriv.h png.c
pngerror.o pngerror.pic.o: png.h pngconf.h pngpriv.h pngerror.c
pngrio.o pngrio.pic.o: png.h pngconf.h pngpriv.h pngrio.c
pngwio.o pngwio.pic.o: png.h pngconf.h pngpriv.h pngwio.c
pngmem.o pngmem.pic.o: png.h pngconf.h pngpriv.h pngmem.c
pngset.o pngset.pic.o: png.h pngconf.h pngpriv.h pngset.c
pngget.o pngget.pic.o: png.h pngconf.h pngpriv.h pngget.c
pngread.o pngread.pic.o: png.h pngconf.h pngpriv.h pngread.c
pngrtran.o pngrtran.pic.o: png.h pngconf.h pngpriv.h pngrtran.c
pngrutil.o pngrutil.pic.o: png.h pngconf.h pngpriv.h pngrutil.c
pngtrans.o pngtrans.pic.o: png.h pngconf.h pngpriv.h pngtrans.c
pngwrite.o pngwrite.pic.o: png.h pngconf.h pngpriv.h pngwrite.c
pngwtran.o pngwtran.pic.o: png.h pngconf.h pngpriv.h pngwtran.c
pngwutil.o pngwutil.pic.o: png.h pngconf.h pngpriv.h pngwutil.c
pngpread.o pngpread.pic.o: png.h pngconf.h pngpriv.h pngpread.c
pngtest.o: png.h pngconf.h pngtest.c
pngtest-stat.o: png.h pngconf.h pngtest.c

66
src/png/scripts/makefile.darwin
View File

@@ -1,5 +1,5 @@
# makefile for libpng on Darwin / Mac OS X
# Copyright (C) 2002, 2004, 2006, 2008, 2010 Glenn Randers-Pehrson
# Copyright (C) 2002, 2004, 2006, 2008, 2010-2011 Glenn Randers-Pehrson
# Copyright (C) 2001 Christoph Pfisterer
# derived from makefile.linux:
# Copyright (C) 1998, 1999 Greg Roelofs
@@ -9,7 +9,8 @@
# For conditions of distribution and use, see the disclaimer
# and license in png.h
# where "make install" puts libpng.a, libpng14.dylib, png.h and pngconf.h
# where "make install" puts libpng.a, libpng15.dylib, png.h, pngconf.h,
# and pnglibconf.h
prefix=/usr/local
exec_prefix=$(prefix)
@@ -20,8 +21,8 @@ ZLIBLIB=../zlib
ZLIBINC=../zlib
# Library name:
LIBNAME = libpng14
PNGMAJ = 14
LIBNAME = libpng15
PNGMAJ = 15
# Shared library names:
LIBSO=$(LIBNAME).dylib
@@ -36,10 +37,11 @@ MKDIR_P=mkdir -p
LN_SF=ln -sf
RANLIB=ranlib
RM_F=/bin/rm -f
ARCH="-arch i386 -arch x86_64"
# CFLAGS=-I$(ZLIBINC) -W -Wall -O3 -funroll-loops
CFLAGS=-I$(ZLIBINC) -W -Wall -O -funroll-loops
LDFLAGS=-L. -L$(ZLIBLIB) -lpng14 -lz
CFLAGS=-I$(ZLIBINC) -W -Wall -O -funroll-loops $(ARCH)
LDFLAGS=-L. -L$(ZLIBLIB) -lpng15 -lz $(ARCH)
INCPATH=$(prefix)/include
LIBPATH=$(exec_prefix)/lib
@@ -74,6 +76,10 @@ OBJSDLL = $(OBJS:.o=.pic.o)
all: libpng.a $(LIBSO) pngtest libpng.pc libpng-config
# see scripts/pnglibconf.mak for more options
pnglibconf.h: scripts/pnglibconf.h.prebuilt
cp scripts/pnglibconf.h.prebuilt $@
libpng.a: $(OBJS)
$(AR_RC) $@ $(OBJS)
$(RANLIB) $@
@@ -83,14 +89,14 @@ libpng.pc:
-e s!@exec_prefix@!$(exec_prefix)! \
-e s!@libdir@!$(LIBPATH)! \
-e s!@includedir@!$(INCPATH)! \
-e s!-lpng14!-lpng14\ -lz! > libpng.pc
-e s!-lpng15!-lpng15\ -lz! > libpng.pc
libpng-config:
( cat scripts/libpng-config-head.in; \
echo prefix=\"$(prefix)\"; \
echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
echo L_opts=\"-L$(LIBPATH)\"; \
echo libs=\"-lpng14 -lz\"; \
echo libs=\"-lpng15 -lz\"; \
cat scripts/libpng-config-body.in ) > libpng-config
chmod +x libpng-config
@@ -100,7 +106,7 @@ $(LIBSO): $(LIBSOMAJ)
$(LIBSOMAJ): $(OBJSDLL)
$(CC) -dynamiclib \
-install_name $(LIBPATH)/$(LIBSOMAJ) \
-current_version 14 -compatibility_version 14 \
-current_version 15 -compatibility_version 15 \
-o $(LIBSOMAJ) \
$(OBJSDLL) -L$(ZLIBLIB) -lz
@@ -110,12 +116,12 @@ pngtest: pngtest.o $(LIBSO)
test: pngtest
./pngtest
install-headers: png.h pngconf.h
install-headers: png.h pngconf.h pnglibconf.h
-@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
-@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
cp png.h pngconf.h $(DI)/$(LIBNAME)
chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
-@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
cp png.h pngconf.h pnglibconf.h $(DI)/$(LIBNAME)
chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h $(DI)/$(LIBNAME)/pnglibconf.h
-@$(RM_F) $(DI)/png.h $(DI)/pngconf.h $(DI)/pnglibconf.h
-@$(RM_F) $(DI)/libpng
(cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
@@ -187,7 +193,7 @@ test-installed:
clean:
$(RM_F) *.o libpng.a pngtest pngout.png libpng-config \
libpng.pc $(LIBNAME).*dylib pngtesti
libpng.pc $(LIBNAME).*dylib pngtesti pnglibconf.h
DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
writelock:
@@ -195,20 +201,20 @@ writelock:
# DO NOT DELETE THIS LINE -- make depend depends on it.
png.o png.pic.o: png.h pngconf.h pngpriv.h
pngerror.o pngerror.pic.o: png.h pngconf.h pngpriv.h
pngrio.o pngrio.pic.o: png.h pngconf.h pngpriv.h
pngwio.o pngwio.pic.o: png.h pngconf.h pngpriv.h
pngmem.o pngmem.pic.o: png.h pngconf.h pngpriv.h
pngset.o pngset.pic.o: png.h pngconf.h pngpriv.h
pngget.o pngget.pic.o: png.h pngconf.h pngpriv.h
pngread.o pngread.pic.o: png.h pngconf.h pngpriv.h
pngrtran.o pngrtran.pic.o: png.h pngconf.h pngpriv.h
pngrutil.o pngrutil.pic.o: png.h pngconf.h pngpriv.h
pngtrans.o pngtrans.pic.o: png.h pngconf.h pngpriv.h
pngwrite.o pngwrite.pic.o: png.h pngconf.h pngpriv.h
pngwtran.o pngwtran.pic.o: png.h pngconf.h pngpriv.h
pngwutil.o pngwutil.pic.o: png.h pngconf.h pngpriv.h
pngpread.o pngpread.pic.o: png.h pngconf.h pngpriv.h
png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngtest.o: png.h pngconf.h
pngtest.o: png.h pngconf.h pnglibconf.h

56
src/png/scripts/makefile.dec
View File

@@ -1,5 +1,5 @@
# makefile for libpng on DEC Alpha Unix
# Copyright (C) 2000-2002, 2006, 2010 Glenn Randers-Pehrson
# Copyright (C) 2000-2002, 2006, 2010-2011 Glenn Randers-Pehrson
# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
#
# This code is released under the libpng license.
@@ -7,8 +7,8 @@
# and license in png.h
# Library name:
PNGMAJ = 14
LIBNAME = libpng14
PNGMAJ = 15
LIBNAME = libpng15
# Shared library names:
LIBSO=$(LIBNAME).so
@@ -62,6 +62,10 @@ OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
all: $(LIBSO) libpng.a pngtest libpng.pc libpng-config
# see scripts/pnglibconf.mak for more options
pnglibconf.h: scripts/pnglibconf.h.prebuilt
cp scripts/pnglibconf.h.prebuilt $@
libpng.a: $(OBJS)
$(AR_RC) $@ $(OBJS)
$(RANLIB) $@
@@ -71,7 +75,7 @@ libpng.pc:
-e s!@exec_prefix@!$(exec_prefix)! \
-e s!@libdir@!$(LIBPATH)! \
-e s!@includedir@!$(INCPATH)! \
-e s!-lpng14!-lpng14\ -lz\ -lm! > libpng.pc
-e s!-lpng15!-lpng15\ -lz\ -lm! > libpng.pc
libpng-config:
( cat scripts/libpng-config-head.in; \
@@ -79,7 +83,7 @@ libpng-config:
echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
echo ccopts=\"-std\"; \
echo L_opts=\"-L$(LIBPATH)\"; \
echo libs=\"-lpng14 -lz -lm\"; \
echo libs=\"-lpng15 -lz -lm\"; \
cat scripts/libpng-config-body.in ) > libpng-config
chmod +x libpng-config
@@ -96,12 +100,12 @@ pngtest: pngtest.o libpng.a
test: pngtest
./pngtest
install-headers: png.h pngconf.h
install-headers: png.h pngconf.h pnglibconf.h
-@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
-@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
cp png.h pngconf.h $(DI)/$(LIBNAME)
chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
cp png.h pngconf.h pnglibconf.h $(DI)/$(LIBNAME)
chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h $(DI)/$(LIBNAME)/pnglibconf.h
-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h $(DI)/pnglibconf.h
-@/bin/rm -f $(DI)/libpng
(cd $(DI); $(LN_SF)(LIBNAME) libpng; $(LN_SF)(LIBNAME)/* .)
@@ -175,24 +179,24 @@ test-installed:
clean:
/bin/rm -f *.o libpng.a pngtest pngtesti pngout.png \
libpng-config $(LIBSO) $(LIBSOMAJ)* \
libpng.pc
libpng.pc pnglibconf.h
# DO NOT DELETE THIS LINE -- make depend depends on it.
png.o: png.h pngconf.h pngpriv.h
pngerror.o: png.h pngconf.h pngpriv.h
pngrio.o: png.h pngconf.h pngpriv.h
pngwio.o: png.h pngconf.h pngpriv.h
pngmem.o: png.h pngconf.h pngpriv.h
pngset.o: png.h pngconf.h pngpriv.h
pngget.o: png.h pngconf.h pngpriv.h
pngread.o: png.h pngconf.h pngpriv.h
pngrtran.o: png.h pngconf.h pngpriv.h
pngrutil.o: png.h pngconf.h pngpriv.h
pngtrans.o: png.h pngconf.h pngpriv.h
pngwrite.o: png.h pngconf.h pngpriv.h
pngwtran.o: png.h pngconf.h pngpriv.h
pngwutil.o: png.h pngconf.h pngpriv.h
pngpread.o: png.h pngconf.h pngpriv.h
png.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngerror.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngmem.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngset.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngget.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngtrans.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwrite.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngpread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngtest.o: png.h pngconf.h
pngtest.o: png.h pngconf.h pnglibconf.h

40
src/png/scripts/makefile.dj2
View File

@@ -1,5 +1,5 @@
# DJGPP (DOS gcc) makefile for libpng
# Copyright (C) 2002, 2006, 2009-2010 Glenn Randers-Pehrson
# Copyright (C) 2002, 2006, 2009-2010-2011 Glenn Randers-Pehrson
# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
#
# This code is released under the libpng license.
@@ -24,6 +24,10 @@ OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
all: libpng.a pngtest
# see scripts/pnglibconf.mak for more options
pnglibconf.h: scripts/pnglibconf.h.prebuilt
cp scripts/pnglibconf.h.prebuilt $@
libpng.a: $(OBJS)
ar rc $@ $(OBJS)
$(RANLIB) $@
@@ -35,24 +39,24 @@ pngtest: pngtest.o libpng.a
test: pngtest
./pngtest
clean:
rm -f *.o libpng.a pngtest pngout.png
rm -f *.o libpng.a pngtest pngout.png pnglibconf.h
# DO NOT DELETE THIS LINE -- make depend depends on it.
png.o: png.h pngconf.h pngpriv.h
pngerror.o: png.h pngconf.h pngpriv.h
pngrio.o: png.h pngconf.h pngpriv.h
pngwio.o: png.h pngconf.h pngpriv.h
pngmem.o: png.h pngconf.h pngpriv.h
pngset.o: png.h pngconf.h pngpriv.h
pngget.o: png.h pngconf.h pngpriv.h
pngread.o: png.h pngconf.h pngpriv.h
pngpread.o: png.h pngconf.h pngpriv.h
pngrtran.o: png.h pngconf.h pngpriv.h
pngrutil.o: png.h pngconf.h pngpriv.h
pngtrans.o: png.h pngconf.h pngpriv.h
pngwrite.o: png.h pngconf.h pngpriv.h
pngwtran.o: png.h pngconf.h pngpriv.h
pngwutil.o: png.h pngconf.h pngpriv.h
png.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngerror.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngmem.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngset.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngget.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngpread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngtrans.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwrite.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngtest.o: png.h pngconf.h
pngtest.o: png.h pngconf.h pnglibconf.h

74
src/png/scripts/makefile.elf
View File

@@ -1,5 +1,5 @@
# makefile for libpng.a and libpng14.so on Linux ELF with gcc
# Copyright (C) 1998, 1999, 2002, 2006, 2008, 2010 Greg Roelofs
# makefile for libpng.a and libpng15.so on Linux ELF with gcc
# Copyright (C) 1998, 1999, 2002, 2006, 2008, 2010-2011 Greg Roelofs
# and Glenn Randers-Pehrson
# Copyright (C) 1996, 1997 Andreas Dilger
#
@@ -10,19 +10,19 @@
# Modified for Debian by Junichi Uekawa and Josselin Mouette
# Major modifications are:
# * link libpng explicitly with libz and libm
# * $(OLDSO).14 is a symlink rather than a different library
# * $(OLDSO).15 is a symlink rather than a different library
# * versioned symbols
# Library name:
LIBNAME = libpng14
PNGMAJ = 14
LIBNAME = libpng15
PNGMAJ = 15
# Shared library names:
LIBSO=$(LIBNAME).so
LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
LIBSOREL=$(LIBSOMAJ).$(RELEASE)
OLDSO=libpng.so
OLDSOMAJ=libpng.so.14
OLDSOMAJ=libpng.so.15
# Utilities:
AR_RC=ar rc
@@ -32,8 +32,8 @@ LN_SF=ln -sf
RANLIB=ranlib
RM_F=/bin/rm -f
# where "make install" puts libpng14.a, libpng14.so*,
# libpng14/png.h and libpng14/pngconf.h
# where "make install" puts libpng15.a, libpng15.so*,
# libpng15/png.h, libpng15/pngconf.h, and libpng15/pnglibconf.h
# Prefix must be a full pathname.
prefix=/usr/local
exec_prefix=$(prefix)
@@ -57,7 +57,7 @@ WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
CFLAGS=-W -Wall -D_REENTRANT -O2 \
$(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5
LDFLAGS=-L. -lpng14
LDFLAGS=-L. -lpng15
LDFLAGS_A=libpng.a -lz -lm
LIBADDFLAGS=-lz -lm
@@ -95,6 +95,10 @@ OBJSDLL = $(OBJS:.o=.pic.o)
all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config
# see scripts/pnglibconf.mak for more options
pnglibconf.h: scripts/pnglibconf.h.prebuilt
cp scripts/pnglibconf.h.prebuilt $@
libpng.a: $(OBJS)
$(AR_RC) $@ $(OBJS)
$(RANLIB) $@
@@ -104,11 +108,11 @@ libpng.pc:
-e s!@exec_prefix@!$(exec_prefix)! \
-e s!@libdir@!$(LIBPATH)! \
-e s!@includedir@!$(INCPATH)! \
-e s!-lpng14!-lpng14\ -lz\ -lm! > libpng.pc
-e s!-lpng15!-lpng15\ -lz\ -lm! > libpng.pc
libpng.syms: png.h pngconf.h
libpng.syms: png.h pngconf.h pnglibconf.h
$(CC) $(CFLAGS) -E -DPNG_BUILDSYMS -DPNG_INTERNAL png.h |\
awk -F '[\t [\\]();]' -v PNGMAJ=$(PNGMAJ) 'BEGIN{printf("PNG14_%s {global:\n",PNGMAJ)}\
awk -F '[\t [\\]();]' -v PNGMAJ=$(PNGMAJ) 'BEGIN{printf("PNG15_%s {global:\n",PNGMAJ)}\
{ for (i=1;i+2<=NF;++i)\
if ($$(i)=="PNG_FUNCTION_EXPORT" && $$(i+2)=="END")\
print $$(i+1) ";";\
@@ -125,8 +129,8 @@ libpng-config:
echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
echo L_opts=\"\"; \
echo R_opts=\"\"; \
echo libs=\"-lpng14\"; \
echo all_libs=\"-lpng14 $(LIBADDFLAGS)\"; \
echo libs=\"-lpng15\"; \
echo all_libs=\"-lpng15 $(LIBADDFLAGS)\"; \
cat scripts/libpng-config-body.in ) > libpng-config
chmod +x libpng-config
@@ -155,12 +159,12 @@ test: pngtest pngtest-static
@echo ""
./pngtest-static
install-headers: png.h pngconf.h
install-headers: png.h pngconf.h pnglibconf.h
-@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
-@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
cp png.h pngconf.h $(DI)/$(LIBNAME)
chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
-@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
cp png.h pngconf.h pnglibconf.h $(DI)/$(LIBNAME)
chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h $(DI)/$(LIBNAME)/pnglibconf.h
-@$(RM_F) $(DI)/png.h $(DI)/pngconf.h $(DI)/pnglibconf.h
-@$(RM_F) $(DI)/libpng
(cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
@@ -232,7 +236,7 @@ test-installed:
clean:
$(RM_F) *.o libpng.a libpng.syms pngtest pngout.png libpng-config \
$(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \
libpng.pc
libpng.pc pnglibconf.h
DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
writelock:
@@ -240,20 +244,20 @@ writelock:
# DO NOT DELETE THIS LINE -- make depend depends on it.
png.o png.pic.o: png.h pngconf.h pngpriv.h
pngerror.o pngerror.pic.o: png.h pngconf.h pngpriv.h
pngrio.o pngrio.pic.o: png.h pngconf.h pngpriv.h
pngwio.o pngwio.pic.o: png.h pngconf.h pngpriv.h
pngmem.o pngmem.pic.o: png.h pngconf.h pngpriv.h
pngset.o pngset.pic.o: png.h pngconf.h pngpriv.h
pngget.o pngget.pic.o: png.h pngconf.h pngpriv.h
pngread.o pngread.pic.o: png.h pngconf.h pngpriv.h
pngrtran.o pngrtran.pic.o: png.h pngconf.h pngpriv.h
pngrutil.o pngrutil.pic.o: png.h pngconf.h pngpriv.h
pngtrans.o pngtrans.pic.o: png.h pngconf.h pngpriv.h
pngwrite.o pngwrite.pic.o: png.h pngconf.h pngpriv.h
pngwtran.o pngwtran.pic.o: png.h pngconf.h pngpriv.h
pngwutil.o pngwutil.pic.o: png.h pngconf.h pngpriv.h
pngpread.o pngpread.pic.o: png.h pngconf.h pngpriv.h
png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngtest.o: png.h pngconf.h
pngtest.o: png.h pngconf.h pnglibconf.h

11
src/png/scripts/makefile.freebsd
View File

@@ -6,7 +6,7 @@
# and license in png.h
PREFIX?= /usr/local
SHLIB_VER?= 14
SHLIB_VER?= 15
LIB= png
SHLIB_MAJOR= ${SHLIB_VER}
@@ -17,13 +17,14 @@ NOOBJ= YES
# where make install puts libpng.a and png.h
DESTDIR= ${PREFIX}
LIBDIR= /lib
INCS= png.h pngconf.h pngpriv.h
INCS= png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
INCSDIR= /include/libpng
INCDIR= ${INCSDIR} # for 4.x bsd.lib.mk
MAN= libpng.3 libpngpf.3 png.5
MANDIR= /man/man
SYMLINKS= libpng/png.h ${INCSDIR}/../png.h \
libpng/pngconf.h ${INCSDIR}/../pngconf.h
libpng/pngconf.h ${INCSDIR}/../pngconf.h \
libpng/pnglibconf.h ${INCSDIR}/../pnglibconf.h
LDADD+= -lm -lz
DPADD+= ${LIBM} ${LIBZ}
@@ -41,6 +42,10 @@ CLEANFILES= pngtest pngtest.o pngout.png
test: pngtest
./pngtest
# see scripts/pnglibconf.mak for more options
pnglibconf.h: scripts/pnglibconf.h.prebuilt
cp scripts/pnglibconf.h.prebuilt $@
DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
writelock:
chmod a-w *.[ch35] $(DOCS) scripts/*

38
src/png/scripts/makefile.gcc
View File

@@ -41,6 +41,10 @@ OBJS = png$(O) pngerror$(O) pngget$(O) pngmem$(O) pngpread$(O) \
# Targets
all: static
# see scripts/pnglibconf.mak for more options
pnglibconf.h: scripts/pnglibconf.h.prebuilt
cp scripts/pnglibconf.h.prebuilt $@
.c$(O):
$(CC) -c $(CFLAGS) -I$(ZLIBINC) $<
@@ -62,22 +66,22 @@ pngtest$(EXE): pngtest$(O) libpng$(A)
$(LD) $(LDFLAGS) -L$(ZLIBLIB) -o $@ pngtest$(O) libpng$(A) $(LIBS)
clean:
$(RM_F) *$(O) libpng$(A) pngtest$(EXE) pngout.png
$(RM_F) *$(O) libpng$(A) pngtest$(EXE) pngout.png pnglibconf.h
png$(O): png.h pngconf.h pngpriv.h
pngerror$(O): png.h pngconf.h pngpriv.h
pngget$(O): png.h pngconf.h pngpriv.h
pngmem$(O): png.h pngconf.h pngpriv.h
pngpread$(O): png.h pngconf.h pngpriv.h
pngread$(O): png.h pngconf.h pngpriv.h
pngrio$(O): png.h pngconf.h pngpriv.h
pngrtran$(O): png.h pngconf.h pngpriv.h
pngrutil$(O): png.h pngconf.h pngpriv.h
pngset$(O): png.h pngconf.h pngpriv.h
pngtrans$(O): png.h pngconf.h pngpriv.h
pngwio$(O): png.h pngconf.h pngpriv.h
pngwrite$(O): png.h pngconf.h pngpriv.h
pngwtran$(O): png.h pngconf.h pngpriv.h
pngwutil$(O): png.h pngconf.h pngpriv.h
png$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngerror$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngget$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngmem$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngpread$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngread$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrio$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrtran$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrutil$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngset$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngtrans$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwio$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwrite$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwtran$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwutil$(O): png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngtest$(O): png.h pngconf.h
pngtest$(O): png.h pngconf.h pnglibconf.h

58
src/png/scripts/makefile.hp64
View File

@@ -1,5 +1,5 @@
# makefile for libpng, HPUX (10.20 and 11.00) using the ANSI/C product.
# Copyright (C) 1999-2002, 2006, 2009, 2010 Glenn Randers-Pehrson
# Copyright (C) 1999-2002, 2006, 2009, 2010-2011 Glenn Randers-Pehrson
# Copyright (C) 1995 Guy Eric Schalnat, Group 42
# contributed by Jim Rice and updated by Chris Schleicher, Hewlett Packard
#
@@ -19,8 +19,8 @@ ZLIBINC=/opt/zlib/include
# SHAREDLIB=libz.sl
# Library name:
LIBNAME = libpng14
PNGMAJ = 14
LIBNAME = libpng15
PNGMAJ = 15
# Shared library names:
LIBSO=$(LIBNAME).sl
@@ -44,7 +44,7 @@ CCFLAGS=-I$(ZLIBINC) -O -Ae -Wl,+vnocompatwarnings +DD64 \
LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm
# where make install puts libpng.a, libpng14.sl, and png.h
# where make install puts libpng.a, libpng15.sl, and png.h
prefix=/opt/libpng
exec_prefix=$(prefix)
INCPATH=$(prefix)/include
@@ -80,6 +80,10 @@ OBJSDLL = $(OBJS:.o=.pic.o)
all: libpng.a $(LIBSO) pngtest libpng.pc libpng-config
# see scripts/pnglibconf.mak for more options
pnglibconf.h: scripts/pnglibconf.h.prebuilt
cp scripts/pnglibconf.h.prebuilt $@
libpng.a: $(OBJS)
$(AR_RC) $@ $(OBJS)
$(RANLIB) $@
@@ -89,7 +93,7 @@ libpng.pc:
-e s!@exec_prefix@!$(exec_prefix)! \
-e s!@libdir@!$(LIBPATH)! \
-e s!@includedir@!$(INCPATH)! \
-e s!-lpng14!-lpng14\ -lz\ -lm! > libpng.pc
-e s!-lpng15!-lpng15\ -lz\ -lm! > libpng.pc
libpng-config:
( cat scripts/libpng-config-head.in; \
@@ -97,7 +101,7 @@ libpng-config:
echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
echo ccopts=\"-Ae +DA1.1 +DS2.0\"; \
echo L_opts=\"-L$(LIBPATH)\"; \
echo libs=\"-lpng14 -lz -lm\"; \
echo libs=\"-lpng15 -lz -lm\"; \
cat scripts/libpng-config-body.in ) > libpng-config
chmod +x libpng-config
@@ -114,12 +118,12 @@ pngtest: pngtest.o libpng.a
test: pngtest
./pngtest
install-headers: png.h pngconf.h
install-headers: png.h pngconf.h pnglibconf.h
-@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
-@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
cp png.h pngconf.h $(DI)/$(LIBNAME)
chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
-@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
cp png.h pngconf.h pnglibconf.h $(DI)/$(LIBNAME)
chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h $(DI)/$(LIBNAME)/pnglibconf.h
-@$(RM_F) $(DI)/png.h $(DI)/pngconf.h $(DI)/pnglibconf.h
-@$(RM_F) $(DI)/libpng
(cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
@@ -193,7 +197,7 @@ test-installed:
clean:
$(RM_F) *.o libpng.a pngtest pngtesti pngout.png \
libpng-config $(LIBSO) $(LIBSOMAJ)* \
libpng.pc
libpng.pc pnglibconf.h
DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
writelock:
@@ -201,20 +205,20 @@ writelock:
# DO NOT DELETE THIS LINE -- make depend depends on it.
png.o: png.h pngconf.h pngpriv.h
pngerror.o: png.h pngconf.h pngpriv.h
pngrio.o: png.h pngconf.h pngpriv.h
pngwio.o: png.h pngconf.h pngpriv.h
pngmem.o: png.h pngconf.h pngpriv.h
pngset.o: png.h pngconf.h pngpriv.h
pngget.o: png.h pngconf.h pngpriv.h
pngread.o: png.h pngconf.h pngpriv.h
pngrtran.o: png.h pngconf.h pngpriv.h
pngrutil.o: png.h pngconf.h pngpriv.h
pngtrans.o: png.h pngconf.h pngpriv.h
pngwrite.o: png.h pngconf.h pngpriv.h
pngwtran.o: png.h pngconf.h pngpriv.h
pngwutil.o: png.h pngconf.h pngpriv.h
pngpread.o: png.h pngconf.h pngpriv.h
png.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngerror.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngmem.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngset.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngget.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngtrans.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwrite.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngpread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngtest.o: png.h pngconf.h
pngtest.o: png.h pngconf.h pnglibconf.h

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