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Static WebP decoding a little enhancement. Do not need create WebP iterator for static images.

This commit is contained in:
DreamPiggy 2017-10-09 11:47:02 +08:00
parent e59d34fdb7
commit 756e59a995
1 changed files with 8 additions and 10 deletions
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18
SDWebImage/UIImage+WebP.m
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@ -50,15 +50,7 @@ static void FreeImageData(void *info, const void *data, size_t size) {
return nil; return nil;
} }
WebPIterator iter;
if (!WebPDemuxGetFrame(demuxer, 1, &iter)) {
WebPDemuxReleaseIterator(&iter);
WebPDemuxDelete(demuxer);
return nil;
}
uint32_t flags = WebPDemuxGetI(demuxer, WEBP_FF_FORMAT_FLAGS); uint32_t flags = WebPDemuxGetI(demuxer, WEBP_FF_FORMAT_FLAGS);
#if SD_UIKIT || SD_WATCH #if SD_UIKIT || SD_WATCH
int loopCount = WebPDemuxGetI(demuxer, WEBP_FF_LOOP_COUNT); int loopCount = WebPDemuxGetI(demuxer, WEBP_FF_LOOP_COUNT);
int frameCount = WebPDemuxGetI(demuxer, WEBP_FF_FRAME_COUNT); int frameCount = WebPDemuxGetI(demuxer, WEBP_FF_FRAME_COUNT);
@ -73,7 +65,6 @@ static void FreeImageData(void *info, const void *data, size_t size) {
} }
CGContextRef canvas = CGBitmapContextCreate(NULL, canvasWidth, canvasHeight, 8, 0, SDCGColorSpaceGetDeviceRGB(), bitmapInfo); CGContextRef canvas = CGBitmapContextCreate(NULL, canvasWidth, canvasHeight, 8, 0, SDCGColorSpaceGetDeviceRGB(), bitmapInfo);
if (!canvas) { if (!canvas) {
WebPDemuxReleaseIterator(&iter);
WebPDemuxDelete(demuxer); WebPDemuxDelete(demuxer);
return nil; return nil;
} }
@ -95,13 +86,20 @@ static void FreeImageData(void *info, const void *data, size_t size) {
#endif #endif
CGImageRelease(newImageRef); CGImageRelease(newImageRef);
} }
WebPDemuxReleaseIterator(&iter);
WebPDemuxDelete(demuxer); WebPDemuxDelete(demuxer);
CGContextRelease(canvas); CGContextRelease(canvas);
return staticImage; return staticImage;
} }
// for animated webp image // for animated webp image
WebPIterator iter;
if (!WebPDemuxGetFrame(demuxer, 1, &iter)) {
WebPDemuxReleaseIterator(&iter);
WebPDemuxDelete(demuxer);
CGContextRelease(canvas);
return nil;
}
NSMutableArray<UIImage *> *images = [NSMutableArray array]; NSMutableArray<UIImage *> *images = [NSMutableArray array];
#if SD_UIKIT || SD_WATCH #if SD_UIKIT || SD_WATCH
NSTimeInterval totalDuration = 0; NSTimeInterval totalDuration = 0;