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Merge pull request #2131 from dreampiggy/fix_progressive_webp_decoding 

Fix progressive WebP decoding by creating data provider with actual data size
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DreamPiggy 2017-12-16 00:42:54 +08:00 committed by GitHub
parent d2443d9c56 283d66c308
commit df7ed34c14
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1 changed files with 2 additions and 1 deletions
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SDWebImage/SDWebImageWebPCoder.m
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@ -169,8 +169,9 @@
// last_y may be 0, means no enough bitmap data to decode, ignore this // last_y may be 0, means no enough bitmap data to decode, ignore this
if (width + height > 0 && last_y > 0 && height >= last_y) { if (width + height > 0 && last_y > 0 && height >= last_y) {
// Construct a UIImage from the decoded RGBA value array // Construct a UIImage from the decoded RGBA value array
size_t rgbaSize = last_y * stride;
CGDataProviderRef provider = CGDataProviderRef provider =
CGDataProviderCreateWithData(NULL, rgba, 0, NULL); CGDataProviderCreateWithData(NULL, rgba, rgbaSize, NULL);
CGColorSpaceRef colorSpaceRef = SDCGColorSpaceGetDeviceRGB(); CGColorSpaceRef colorSpaceRef = SDCGColorSpaceGetDeviceRGB();
CGBitmapInfo bitmapInfo = kCGBitmapByteOrder32Big | kCGImageAlphaPremultipliedLast; CGBitmapInfo bitmapInfo = kCGBitmapByteOrder32Big | kCGImageAlphaPremultipliedLast;