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Disable to support to create gif image representations when giflib

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does not define QuantizeBuffer. Fixes #38024.


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@35958 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Wolfgang Lux 2013-01-13 13:47:51 +00:00
parent 1fe1e8d367
commit 0d760caf50
5 changed files with 125 additions and 0 deletions
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7
Source/NSBitmapImageRep+GIF.m
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@ -110,6 +110,7 @@ static void gs_gif_init_input_source(gs_gif_input_src *src, NSData *data)
src->pos = 0;
}
#if HAVE_QUANTIZEBUFFER
/* Function to write GIF to buffer */
static int gs_gif_output(GifFileType *file, const GifByteType *buffer, int len)
{
@ -121,6 +122,7 @@ static int gs_gif_output(GifFileType *file, const GifByteType *buffer, int len)
[nsData appendBytes: buffer length: len];
return len;
}
#endif
/* -----------------------------------------------------------
The gif loading part of NSBitmapImageRep
@ -384,6 +386,7 @@ static int gs_gif_output(GifFileType *file, const GifByteType *buffer, int len)
- (NSData *) _GIFRepresentationWithProperties: (NSDictionary *) properties
errorMessage: (NSString **)errorMsg
{
#if HAVE_QUANTIZEBUFFER
NSMutableData * GIFRep = nil; // our return value
GifFileType * GIFFile = NULL;
GifByteType * rgbPlanes = NULL; // giflib needs planar RGB
@ -534,6 +537,10 @@ static int gs_gif_output(GifFileType *file, const GifByteType *buffer, int len)
free(GIFImage);
return GIFRep;
#else
NSLog(@"GIF representation is not available on this system.");
return nil;
#endif
}
@end