Got Penguin sample running under Windows.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1362 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

utils/glcanvas/samples/penguin/Makefile

@@ -10,8 +10,8 @@ Penguin: penguin.o trackball.o lw.o glcanvas.o
 penguin.o: penguin.cpp
 	$(CPP) `wx-config --cflags` -I../../src -c penguin.cpp
 
-lw.o: lw.c
-	$(CC) `wx-config --cflags` -I../../src -c lw.c
+lw.o: lw.cpp
+	$(CPP) `wx-config --cflags` -I../../src -c lw.cpp
 
 trackball.o: trackball.c
 	$(CC) `wx-config --cflags` -I../../src -c trackball.c

utils/glcanvas/samples/penguin/lw.cpp

@@ -16,8 +16,9 @@
  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
-
-
+#ifdef __WXMSW__
+#include <windows.h>
+#endif
 
 #include "lw.h"
 #include <stdlib.h>
@@ -100,7 +101,7 @@ static void read_srfs(FILE *f, int nbytes, lwObject *lwo)
     /* allocate more memory for materials if needed */
     if (guess_cnt <= lwo->material_cnt) {
       guess_cnt += guess_cnt/2 + 4;
-      lwo->material = realloc(lwo->material, sizeof(lwMaterial)*guess_cnt);
+      lwo->material = (lwMaterial*) realloc(lwo->material, sizeof(lwMaterial)*guess_cnt);
     }
     material = lwo->material + lwo->material_cnt++;
 
@@ -112,7 +113,7 @@ static void read_srfs(FILE *f, int nbytes, lwObject *lwo)
     material->g = 0.7;
     material->b = 0.7;
   }
-  lwo->material = realloc(lwo->material, sizeof(lwMaterial)*lwo->material_cnt);
+  lwo->material = (lwMaterial*) realloc(lwo->material, sizeof(lwMaterial)*lwo->material_cnt);
 }
 
 
@@ -164,7 +165,7 @@ static void read_pols(FILE *f, int nbytes, lwObject *lwo)
     /* allocate more memory for polygons if necessary */
     if (guess_cnt <= lwo->face_cnt) {
       guess_cnt += guess_cnt + 4;
-      lwo->face = realloc(lwo->face, sizeof(lwFace)*guess_cnt);
+      lwo->face = (lwFace*) realloc((void*) lwo->face, sizeof(lwFace)*guess_cnt);
     }
     face = lwo->face + lwo->face_cnt++;
 
@@ -173,7 +174,7 @@ static void read_pols(FILE *f, int nbytes, lwObject *lwo)
     nbytes -= 2;
 
     /* allocate space for points */
-    face->index = calloc(sizeof(int)*face->index_cnt,1);
+    face->index = (int*) calloc(sizeof(int)*face->index_cnt,1);
     
     /* read points in */
     for (i=0; i<face->index_cnt; i++) {
@@ -200,7 +201,7 @@ static void read_pols(FILE *f, int nbytes, lwObject *lwo)
     face->material -= 1;
   }
   /* readjust to true size */
-  lwo->face = realloc(lwo->face, sizeof(lwFace)*lwo->face_cnt);
+  lwo->face = (lwFace*) realloc(lwo->face, sizeof(lwFace)*lwo->face_cnt);
 }
 
 
@@ -209,7 +210,7 @@ static void read_pnts(FILE *f, int nbytes, lwObject *lwo)
 {
   int i;
   lwo->vertex_cnt = nbytes / 12;
-  lwo->vertex = calloc(sizeof(GLfloat)*lwo->vertex_cnt*3, 1);
+  lwo->vertex = (float*) calloc(sizeof(GLfloat)*lwo->vertex_cnt*3, 1);
   for (i=0; i<lwo->vertex_cnt; i++) {
     lwo->vertex[i*3+0] = read_float(f);
     lwo->vertex[i*3+1] = read_float(f);
@@ -265,7 +266,7 @@ lwObject *lw_object_read(const char *lw_file)
   }
 
   /* create new lwObject */
-  lw_object = calloc(sizeof(lwObject),1);
+  lw_object = (lwObject*) calloc(sizeof(lwObject),1);
 
   /* read chunks */
   while (read_bytes < form_bytes) {

utils/glcanvas/samples/penguin/lw.h

@@ -49,6 +49,9 @@ typedef struct {
 
 } lwObject;
 
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 int       lw_is_lwobject(const char     *lw_file);
 lwObject *lw_object_read(const char     *lw_file);
@@ -58,5 +61,9 @@ void      lw_object_show(const lwObject *lw_object);
 GLfloat   lw_object_radius(const lwObject *lw_object);
 void      lw_object_scale (lwObject *lw_object, GLfloat scale);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* LW_H */
 

utils/glcanvas/samples/penguin/makefile.nt

@@ -0,0 +1,71 @@
+#
+# File:		makefile.nt
+# Author:	Julian Smart
+# Created:	1997
+# Updated:	
+#
+# "%W% %G%"
+#
+# Makefile : Builds penguin example (MS VC++).
+# Use FINAL=1 argument to nmake to build final version with no debugging
+# info
+
+# Set WXDIR for your system
+WXDIR = $(WXWIN)
+
+WXUSINGDLL=0
+
+EXTRAINC=-I..\..\win
+EXTRALIBS=$(WXDIR)\lib\glcanvas.lib glu32.lib opengl32.lib
+
+!include $(WXDIR)\src\ntwxwin.mak
+
+THISDIR = $(WXDIR)\utils\glcanvas\samples\penguin
+PROGRAM=penguin
+
+OBJECTS = $(PROGRAM).obj  trackball.obj lw.obj
+
+$(PROGRAM):    $(PROGRAM).exe
+
+all:    wx $(PROGRAM).exe
+
+wx:
+        cd $(WXDIR)\src\msw
+        nmake -f makefile.nt FINAL=$(FINAL)
+        cd $(THISDIR)
+
+wxclean:
+        cd $(WXDIR)\src\msw
+        nmake -f makefile.nt clean
+        cd $(THISDIR)
+
+$(PROGRAM).exe:      $(DUMMYOBJ) $(WXLIB) $(OBJECTS) $(PROGRAM).res
+	$(link) @<<
+-out:$(PROGRAM).exe
+$(LINKFLAGS)
+$(DUMMYOBJ) $(OBJECTS) $(PROGRAM).res
+$(LIBS)
+<<
+
+
+$(PROGRAM).obj:      $(PROGRAM).$(SRCSUFF) $(PROGRAM).h $(DUMMYOBJ)
+        $(cc) @<<
+$(CPPFLAGS2) /c /Tp $*.$(SRCSUFF)
+<<
+
+lw.obj:      lw.c lw.h
+        $(cc) @<<
+$(CPPFLAGS2) /c $*.$(SRCSUFF)
+<<
+
+$(PROGRAM).res :      $(PROGRAM).rc $(WXDIR)\include\wx\msw\wx.rc
+    $(rc) -r /i$(WXDIR)\include -fo$@ $(PROGRAM).rc
+
+
+clean:
+        -erase *.obj
+        -erase *.exe
+        -erase *.res
+        -erase *.map
+        -erase *.sbr
+        -erase *.pdb

utils/glcanvas/samples/penguin/penguin.cpp

@@ -183,15 +183,16 @@ void TestGLCanvas::LoadLWO(const wxString &filename)
 
 void TestGLCanvas::OnMouse( wxMouseEvent& event )
 {
+    wxSize sz(GetClientSize());
     if (event.Dragging())
     {
         /* drag in progress, simulate trackball */
         float spin_quat[4];
         trackball(spin_quat,
-	      (2.0*info.beginx -       m_width) / m_width,
-	      (     m_height - 2.0*info.beginy) / m_height,
-	      (     2.0*event.GetX() - m_width) / m_width,
-	      (    m_height - 2.0*event.GetY()) / m_height);
+	      (2.0*info.beginx -       sz.x) / sz.x,
+	      (     sz.y - 2.0*info.beginy) / sz.y,
+	      (     2.0*event.GetX() - sz.x) / sz.x,
+	      (    sz.y - 2.0*event.GetY()) / sz.y);
 	      
         add_quats( spin_quat, info.quat, info.quat );
 	

utils/glcanvas/samples/penguin/penguin.h

@@ -28,7 +28,8 @@ extern "C" {
 /* information needed to display lightwave mesh */
 typedef struct 
 {
-  gint do_init;         /* true if initgl not yet called */
+//  gint do_init;         /* true if initgl not yet called */
+  int do_init;
   lwObject *lwobject;   /* lightwave object mesh */
   float beginx,beginy;  /* position of mouse */
   float quat[4];        /* orientation of object */

utils/glcanvas/samples/penguin/penguin.rc

@@ -0,0 +1,3 @@
+/* mondrian ICON "mondrian.ico" */
+#include "wx/msw/wx.rc"
+