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Fix the handle of ForceDecodePolicyAlways, still need to check animated image and vector image to not break them

This commit is contained in:
DreamPiggy 2023-07-13 15:02:55 +08:00
parent 3e382b234d
commit cc89e14fdd
1 changed files with 17 additions and 14 deletions
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31
SDWebImage/Core/SDImageCoderHelper.m
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@ -816,11 +816,9 @@ static const CGFloat kDestSeemOverlap = 2.0f; // the numbers of pixels to over
if (image == nil) {
return NO;
}
// Check policy (never/always)
// Check policy (never)
if (policy == SDImageForceDecodePolicyNever) {
return NO;
} else if (policy == SDImageForceDecodePolicyAlways) {
return YES;
}
// Avoid extra decode
if (image.sd_isDecoded) {
@ -834,17 +832,22 @@ static const CGFloat kDestSeemOverlap = 2.0f; // the numbers of pixels to over
if (image.sd_isVector) {
return NO;
}
// Check policy (automatic)
CGImageRef cgImage = image.CGImage;
if (cgImage) {
CFStringRef uttype = CGImageGetUTType(cgImage);
if (uttype) {
// Only ImageIO can set `com.apple.ImageIO.imageSourceTypeIdentifier`
return YES;
} else {
// Now, let's check if the CGImage is hardware supported (not byte-aligned will cause extra copy)
BOOL isSupported = [SDImageCoderHelper CGImageIsHardwareSupported:cgImage];
return !isSupported;
// Check policy (always)
if (policy == SDImageForceDecodePolicyAlways) {
return YES;
} else {
// Check policy (automatic)
CGImageRef cgImage = image.CGImage;
if (cgImage) {
CFStringRef uttype = CGImageGetUTType(cgImage);
if (uttype) {
// Only ImageIO can set `com.apple.ImageIO.imageSourceTypeIdentifier`
return YES;
} else {
// Now, let's check if the CGImage is hardware supported (not byte-aligned will cause extra copy)
BOOL isSupported = [SDImageCoderHelper CGImageIsHardwareSupported:cgImage];
return !isSupported;
}
}
}