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Fix the bug when the thumbnail pixel size is larger than the pixel size, and the image has EXIF orientation, the final UIImage will use wrong image orientation

This commit is contained in:
DreamPiggy 2020-08-13 18:17:28 +08:00
parent 40023d5668
commit e142610455
1 changed files with 4 additions and 3 deletions
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7
SDWebImage/Core/SDImageIOAnimatedCoder.m
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@ -212,7 +212,8 @@ static NSString * kSDCGImageDestinationRequestedFileSize = @"kCGImageDestination
decodingOptions = [NSMutableDictionary dictionary];
}
CGImageRef imageRef;
if (thumbnailSize.width == 0 || thumbnailSize.height == 0 || pixelWidth == 0 || pixelHeight == 0 || (pixelWidth <= thumbnailSize.width && pixelHeight <= thumbnailSize.height)) {
BOOL createFullImage = thumbnailSize.width == 0 || thumbnailSize.height == 0 || pixelWidth == 0 || pixelHeight == 0 || (pixelWidth <= thumbnailSize.width && pixelHeight <= thumbnailSize.height);
if (createFullImage) {
if (isVector) {
if (thumbnailSize.width == 0 || thumbnailSize.height == 0) {
// Provide the default pixel count for vector images, simply just use the screen size
@ -251,8 +252,8 @@ static NSString * kSDCGImageDestinationRequestedFileSize = @"kCGImageDestination
if (!imageRef) {
return nil;
}
if (thumbnailSize.width > 0 && thumbnailSize.height > 0) {
// Thumbnail image post-process
if (!createFullImage) {
if (preserveAspectRatio) {
// kCGImageSourceCreateThumbnailWithTransform will apply EXIF transform as well, we should not apply twice
exifOrientation = kCGImagePropertyOrientationUp;