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Compile fix for GIF decoder,

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Added image index to loadfile.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4774 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
1999-11-30 17:24:14 +00:00
parent a05da1b682
commit 700ec4546c
10 changed files with 51 additions and 23 deletions
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19
include/wx/image.h
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@@ -62,9 +62,11 @@ public:
wxImageHandler() { m_name = ""; m_extension = ""; m_type = 0; } wxImageHandler() { m_name = ""; m_extension = ""; m_type = 0; }
#if wxUSE_STREAMS #if wxUSE_STREAMS
virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE ); virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE, int index=0 );
virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE ); virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE );
virtual int GetImageCount( wxInputStream& stream );
bool CanRead( wxInputStream& stream ) { return DoCanRead(stream); } bool CanRead( wxInputStream& stream ) { return DoCanRead(stream); }
bool CanRead( const wxString& name ); bool CanRead( const wxString& name );
#endif #endif
@@ -108,7 +110,7 @@ public:
}; };
#if wxUSE_STREAMS #if wxUSE_STREAMS
virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE ); virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE, int index=0 );
virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE ); virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE );
virtual bool DoCanRead( wxInputStream& stream ); virtual bool DoCanRead( wxInputStream& stream );
#endif #endif
@@ -135,7 +137,7 @@ public:
}; };
#if wxUSE_STREAMS #if wxUSE_STREAMS
virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE ); virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE, int index=0 );
virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE ); virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE );
virtual bool DoCanRead( wxInputStream& stream ); virtual bool DoCanRead( wxInputStream& stream );
#endif #endif
@@ -162,9 +164,10 @@ public:
}; };
#if wxUSE_STREAMS #if wxUSE_STREAMS
virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE ); virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE, int index=0 );
virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE ); virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE );
virtual bool DoCanRead( wxInputStream& stream ); virtual bool DoCanRead( wxInputStream& stream );
virtual int GetImageCount( wxInputStream& stream );
#endif #endif
}; };
#endif #endif
@@ -188,7 +191,7 @@ public:
}; };
#if wxUSE_STREAMS #if wxUSE_STREAMS
virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE ); virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE, int index=0 );
virtual bool DoCanRead( wxInputStream& stream ); virtual bool DoCanRead( wxInputStream& stream );
#endif #endif
}; };
@@ -214,7 +217,7 @@ public:
}; };
#if wxUSE_STREAMS #if wxUSE_STREAMS
virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE ); virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE, int index=0 );
virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE ); virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE );
virtual bool DoCanRead( wxInputStream& stream ); virtual bool DoCanRead( wxInputStream& stream );
#endif #endif
@@ -241,7 +244,7 @@ public:
}; };
#if wxUSE_STREAMS #if wxUSE_STREAMS
virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE ); virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE, int index=0 );
virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE ); virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE );
virtual bool DoCanRead( wxInputStream& stream ); virtual bool DoCanRead( wxInputStream& stream );
#endif #endif
@@ -268,7 +271,7 @@ public:
}; };
#if wxUSE_STREAMS #if wxUSE_STREAMS
virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE ); virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE, int index=0 );
virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE ); virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE );
virtual bool DoCanRead( wxInputStream& stream ); virtual bool DoCanRead( wxInputStream& stream );
#endif // wxUSE_STREAMS #endif // wxUSE_STREAMS

2
src/common/gifdecod.cpp
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@@ -446,7 +446,7 @@ bool wxGIFDecoder::CanRead()
unsigned char buf[3]; unsigned char buf[3];
m_f->Read(buf, 3); m_f->Read(buf, 3);
stream.SeekI(-3, wxFromCurrent); m_f->SeekI(-3, wxFromCurrent);
return (memcmp(buf, "GIF", 3) == 0); return (memcmp(buf, "GIF", 3) == 0);
} }

2
src/common/imagbmp.cpp
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@@ -64,7 +64,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxBMPHandler,wxImageHandler)
#define poffset (line * width * 3 + column * 3) #define poffset (line * width * 3 + column * 3)
bool wxBMPHandler::LoadFile( wxImage *image, wxInputStream& stream, bool WXUNUSED(verbose) ) bool wxBMPHandler::LoadFile( wxImage *image, wxInputStream& stream, bool WXUNUSED(verbose), int WXUNUSED(index) )
{ {
int rshift = 0, gshift = 0, bshift = 0; int rshift = 0, gshift = 0, bshift = 0;
wxUint8 aByte; wxUint8 aByte;

12
src/common/image.cpp
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@@ -656,7 +656,7 @@ IMPLEMENT_ABSTRACT_CLASS(wxImageHandler,wxObject)
#endif #endif
#if wxUSE_STREAMS #if wxUSE_STREAMS
bool wxImageHandler::LoadFile( wxImage *WXUNUSED(image), wxInputStream& WXUNUSED(stream), bool WXUNUSED(verbose) ) bool wxImageHandler::LoadFile( wxImage *WXUNUSED(image), wxInputStream& WXUNUSED(stream), bool WXUNUSED(verbose), int WXUNUSED(index) )
{ {
return FALSE; return FALSE;
} }
@@ -666,9 +666,13 @@ bool wxImageHandler::SaveFile( wxImage *WXUNUSED(image), wxOutputStream& WXUNUSE
return FALSE; return FALSE;
} }
int wxImageHandler::GetImageCount( wxInputStream& WXUNUSED(stream) )
{
return 1;
}
bool wxImageHandler::CanRead( const wxString& name ) bool wxImageHandler::CanRead( const wxString& name )
{ {
#if wxUSE_STREAMS
if (wxFileExists(name)) if (wxFileExists(name))
{ {
wxFileInputStream stream(name); wxFileInputStream stream(name);
@@ -680,13 +684,9 @@ bool wxImageHandler::CanRead( const wxString& name )
return FALSE; return FALSE;
} }
#else // !wxUSE_STREAMS
return FALSE; return FALSE;
#endif // wxUSE_STREAMS
} }
#endif // wxUSE_STREAMS #endif // wxUSE_STREAMS
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------

2
src/common/imaggif.cpp
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@@ -40,7 +40,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxGIFHandler,wxImageHandler)
#if wxUSE_STREAMS #if wxUSE_STREAMS
bool wxGIFHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbose ) bool wxGIFHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbose, int WXUNUSED(index) )
{ {
wxGIFDecoder *decod; wxGIFDecoder *decod;
int error; int error;

2
src/common/imagjpeg.cpp
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@@ -150,7 +150,7 @@ my_error_exit (j_common_ptr cinfo)
bool wxJPEGHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbose ) bool wxJPEGHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbose, int WXUNUSED(index) )
{ {
struct jpeg_decompress_struct cinfo; struct jpeg_decompress_struct cinfo;
struct my_error_mgr jerr; struct my_error_mgr jerr;

2
src/common/imagpcx.cpp
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@@ -222,7 +222,7 @@ int ReadPCX(wxImage *image, wxInputStream& stream)
IMPLEMENT_DYNAMIC_CLASS(wxPCXHandler,wxImageHandler) IMPLEMENT_DYNAMIC_CLASS(wxPCXHandler,wxImageHandler)
#endif #endif
bool wxPCXHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbose ) bool wxPCXHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbose, int WXUNUSED(index) )
{ {
int error; int error;

2
src/common/imagpng.cpp
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@@ -96,7 +96,7 @@ LINKAGEMODE png_silent_warning(png_structp WXUNUSED(png_ptr), png_const_charp WX
{ {
} }
bool wxPNGHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbose) bool wxPNGHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbose, int WXUNUSED(index) )
{ {
// VZ: as this function uses setjmp() the only fool proof error handling // VZ: as this function uses setjmp() the only fool proof error handling
// method is to use goto (setjmp is not really C++ dtors friendly...) // method is to use goto (setjmp is not really C++ dtors friendly...)

2
src/common/imagpnm.cpp
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@@ -50,7 +50,7 @@ void Skip_Comment(wxInputStream &stream)
} }
} }
bool wxPNMHandler::LoadFile( wxImage *image, wxInputStream& stream, bool WXUNUSED(verbose) ) bool wxPNMHandler::LoadFile( wxImage *image, wxInputStream& stream, bool WXUNUSED(verbose), int WXUNUSED(index) )
{ {
wxUint32 width, height; wxUint32 width, height;
wxUint16 maxval; wxUint16 maxval;

29
src/common/imagtiff.cpp
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@@ -119,7 +119,7 @@ TIFFwxOpen(wxInputStream &stream, const char* name, const char* mode)
} }
bool wxTIFFHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbose ) bool wxTIFFHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbose, int index )
{ {
image->Destroy(); image->Destroy();
@@ -133,6 +133,16 @@ bool wxTIFFHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbos
return FALSE; return FALSE;
} }
if (!TIFFSetDirectory( tif, (tdir_t)index ))
{
if (verbose)
wxLogError( _("Invalid TIFF image index.") );
TIFFClose( tif );
return FALSE;
}
uint32 w, h; uint32 w, h;
size_t npixels; size_t npixels;
uint32 *raster; uint32 *raster;
@@ -216,9 +226,24 @@ bool wxTIFFHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbos
return TRUE; return TRUE;
} }
int wxTIFFHandler::GetImageCount( wxInputStream& stream )
{
TIFF *tif = TIFFwxOpen( stream, "image", "r" );
if (!tif)
return 0;
bool wxTIFFHandler::SaveFile( wxImage *image, wxOutputStream& stream, bool verbose ) int dircount = 0; // according to the libtiff docs, dircount should be set to 1 here???
do {
dircount++;
} while (TIFFReadDirectory(tif));
TIFFClose( tif );
return dircount;
}
bool wxTIFFHandler::SaveFile( wxImage *WXUNUSED(image), wxOutputStream& WXUNUSED(stream), bool WXUNUSED(verbose) )
{ {
return FALSE; return FALSE;
} }