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Fixed CGcontext stack error appearing under Mac OS X. 

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@7278 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Manolo Gouy 2010-03-16 17:40:03 +00:00
parent 7f001d1fb9
commit 664c2f4b4e
1 changed files with 10 additions and 12 deletions
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22
src/Fl_Gl_Printer.cxx
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@ -9,10 +9,12 @@
#include "FL/fl_draw.H"
#endif
#if defined(__APPLE__)
static void imgProviderReleaseData (void *info, const void *data, size_t size)
{
free((void *)data);
}
#endif
void Fl_Gl_Printer::print_gl_window(Fl_Gl_Window *glw, int x, int y)
{
@ -23,10 +25,11 @@ void Fl_Gl_Printer::print_gl_window(Fl_Gl_Window *glw, int x, int y)
CGContextRef save_gc = fl_gc;
const int bytesperpixel = 4;
#else
_XGC *save_gc = fl_gc; // FIXME Linux/Unix
_XGC *save_gc = fl_gc;
const int bytesperpixel = 3;
#endif
glw->redraw();
fl_gc = NULL;
Fl::check();
glw->make_current();
// select front buffer as our source for pixel data
@ -53,9 +56,7 @@ void Fl_Gl_Printer::print_gl_window(Fl_Gl_Window *glw, int x, int y)
baseAddress);
glPopClientAttrib();
fl_gc = save_gc;
#ifdef WIN32
fl_draw_image(baseAddress + (glw->h() - 1) * mByteWidth, x, y , glw->w(), glw->h(), bytesperpixel, - mByteWidth);
#elif defined(__APPLE__)
#if defined(__APPLE__)
#if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_4
#define kCGBitmapByteOrder32Big 0
#define CGBitmapInfo CGImageAlphaInfo
@ -69,9 +70,6 @@ void Fl_Gl_Printer::print_gl_window(Fl_Gl_Window *glw, int x, int y)
kCGImageAlphaNoneSkipFirst | kCGBitmapByteOrder32Little /* XRGB Little Endian */
#endif
, provider, NULL, false, kCGRenderingIntentDefault);
CGColorSpaceRelease(cSpace);
CGDataProviderRelease(provider);
if(image == NULL) return;
CGContextSaveGState(fl_gc);
int w, h;
@ -83,11 +81,11 @@ void Fl_Gl_Printer::print_gl_window(Fl_Gl_Window *glw, int x, int y)
CGContextDrawImage(fl_gc, rect, image);
Fl_X::q_end_image();
CGContextRestoreGState(fl_gc);
CFRelease(image);
#else // FIXME Linux/Unix
CGImageRelease(image);
CGColorSpaceRelease(cSpace);
CGDataProviderRelease(provider);
#else
fl_draw_image(baseAddress + (glw->h() - 1) * mByteWidth, x, y , glw->w(), glw->h(), bytesperpixel, - mByteWidth);
#endif // WIN32
#ifndef __APPLE__
free(baseAddress);
#endif
#endif // __APPLE__
}