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Merge pull request #12 from SDWebImage/bugfix_webp_icc_profile_crash 

Fix that WebP with custom ICC Profile will randomly crash, because `CGColorSpaceCreateWithICCProfile` does not copy the ICC data pointer
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Kinarobin 2019-02-18 09:38:38 +08:00 committed by GitHub
parent b4b3504274 92cb639713
commit 6dcdec2d13
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1 changed files with 3 additions and 1 deletions
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4
SDWebImageWebPCoder/Classes/SDImageWebPCoder.m
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@ -429,7 +429,9 @@
WebPChunkIterator chunk_iter;
int result = WebPDemuxGetChunk(demuxer, "ICCP", 1, &chunk_iter);
if (result) {
NSData *profileData = [NSData dataWithBytesNoCopy:(void *)chunk_iter.chunk.bytes length:chunk_iter.chunk.size freeWhenDone:NO];
// See #2618, the `CGColorSpaceCreateWithICCProfile` does not copy ICC Profile data, it only retain the byte ptr.
// When the libwebp `WebPDemuxer` dealloc, all chunk will be freed. So we must copy the ICC data (really cheap, less than 10KB)
NSData *profileData = [NSData dataWithBytes:chunk_iter.chunk.bytes length:chunk_iter.chunk.size];
colorSpaceRef = CGColorSpaceCreateWithICCProfile((__bridge CFDataRef)profileData);
WebPDemuxReleaseChunkIterator(&chunk_iter);
}