diff options
| -rw-r--r-- | src/Fl_Double_Window.cxx | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/src/Fl_Double_Window.cxx b/src/Fl_Double_Window.cxx index 9c5e210b4..03e0240b8 100644 --- a/src/Fl_Double_Window.cxx +++ b/src/Fl_Double_Window.cxx @@ -188,6 +188,13 @@ Fl_Offscreen fl_create_offscreen_with_alpha(int w, int h) { return (Fl_Offscreen)ctx; } +static void bmProviderRelease (void *src, const void *data, size_t size) +{ + CFIndex count = CFGetRetainCount(src); + CFRelease(src); + if(count == 1) free((void*)data); +} + void fl_copy_offscreen(int x,int y,int w,int h,Fl_Offscreen osrc,int srcx,int srcy) { CGContextRef src = (CGContextRef)osrc; void *data = CGBitmapContextGetData(src); @@ -195,7 +202,10 @@ void fl_copy_offscreen(int x,int y,int w,int h,Fl_Offscreen osrc,int srcx,int sr int sh = CGBitmapContextGetHeight(src); CGImageAlphaInfo alpha = CGBitmapContextGetAlphaInfo(src); CGColorSpaceRef lut = CGColorSpaceCreateDeviceRGB(); - CGDataProviderRef src_bytes = CGDataProviderCreateWithData( 0L, data, sw*sh*4, 0L); + // when output goes to a Quartz printercontext, release of the bitmap must be + // delayed after the end of the print page + CFRetain(src); + CGDataProviderRef src_bytes = CGDataProviderCreateWithData( src, data, sw*sh*4, bmProviderRelease); CGImageRef img = CGImageCreate( sw, sh, 8, 4*8, 4*sw, lut, alpha, src_bytes, 0L, false, kCGRenderingIntentDefault); // fl_push_clip(); @@ -211,9 +221,9 @@ void fl_copy_offscreen(int x,int y,int w,int h,Fl_Offscreen osrc,int srcx,int sr void fl_delete_offscreen(Fl_Offscreen ctx) { if (!ctx) return; void *data = CGBitmapContextGetData((CGContextRef)ctx); + CFIndex count = CFGetRetainCount(ctx); CGContextRelease((CGContextRef)ctx); - if (!data) return; - free(data); + if(count == 1) free(data); } const int stack_max = 16; |