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Merge pull request #3277 from dreampiggy/fix_pixel_ratio_thumbnail_calculation 

Fix pixel ratio thumbnail calculation
This commit is contained in:
DreamPiggy 2021-09-30 17:41:18 +08:00 committed by GitHub
parent 923e175326 8a13cbb68c
commit e0b8bf97d0
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 9 additions and 8 deletions
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4
SDWebImage/Core/NSImage+Compatibility.m
View File

@ -35,8 +35,8 @@
NSImageRep *imageRep = [self bestRepresentationForRect:imageRect context:nil hints:nil];
CGFloat width = imageRep.size.width;
CGFloat height = imageRep.size.height;
NSUInteger pixelWidth = imageRep.pixelsWide;
NSUInteger pixelHeight = imageRep.pixelsHigh;
CGFloat pixelWidth = (CGFloat)imageRep.pixelsWide;
CGFloat pixelHeight = (CGFloat)imageRep.pixelsHigh;
if (width > 0 && height > 0) {
CGFloat widthScale = pixelWidth / width;
CGFloat heightScale = pixelHeight / height;

8
SDWebImage/Core/SDImageIOAnimatedCoder.m
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@ -191,8 +191,8 @@ static NSString * kSDCGImageDestinationRequestedFileSize = @"kCGImageDestination
// Some options need to pass to `CGImageSourceCopyPropertiesAtIndex` before `CGImageSourceCreateImageAtIndex`, or ImageIO will ignore them because they parse once :)
// Parse the image properties
NSDictionary *properties = (__bridge_transfer NSDictionary *)CGImageSourceCopyPropertiesAtIndex(source, index, (__bridge CFDictionaryRef)options);
NSUInteger pixelWidth = [properties[(__bridge NSString *)kCGImagePropertyPixelWidth] unsignedIntegerValue];
NSUInteger pixelHeight = [properties[(__bridge NSString *)kCGImagePropertyPixelHeight] unsignedIntegerValue];
CGFloat pixelWidth = [properties[(__bridge NSString *)kCGImagePropertyPixelWidth] doubleValue];
CGFloat pixelHeight = [properties[(__bridge NSString *)kCGImagePropertyPixelHeight] doubleValue];
CGImagePropertyOrientation exifOrientation = (CGImagePropertyOrientation)[properties[(__bridge NSString *)kCGImagePropertyOrientation] unsignedIntegerValue];
if (!exifOrientation) {
exifOrientation = kCGImagePropertyOrientationUp;
@ -503,8 +503,8 @@ static NSString * kSDCGImageDestinationRequestedFileSize = @"kCGImageDestination
maxPixelSize = maxPixelSizeValue.CGSizeValue;
#endif
}
NSUInteger pixelWidth = CGImageGetWidth(imageRef);
NSUInteger pixelHeight = CGImageGetHeight(imageRef);
CGFloat pixelWidth = (CGFloat)CGImageGetWidth(imageRef);
CGFloat pixelHeight = (CGFloat)CGImageGetHeight(imageRef);
CGFloat finalPixelSize = 0;
if (maxPixelSize.width > 0 && maxPixelSize.height > 0 && pixelWidth > maxPixelSize.width && pixelHeight > maxPixelSize.height) {
CGFloat pixelRatio = pixelWidth / pixelHeight;

4
SDWebImage/Core/SDImageIOCoder.m
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@ -250,8 +250,8 @@ static NSString * kSDCGImageDestinationRequestedFileSize = @"kCGImageDestination
maxPixelSize = maxPixelSizeValue.CGSizeValue;
#endif
}
NSUInteger pixelWidth = CGImageGetWidth(imageRef);
NSUInteger pixelHeight = CGImageGetHeight(imageRef);
CGFloat pixelWidth = (CGFloat)CGImageGetWidth(imageRef);
CGFloat pixelHeight = (CGFloat)CGImageGetHeight(imageRef);
if (maxPixelSize.width > 0 && maxPixelSize.height > 0 && pixelWidth > maxPixelSize.width && pixelHeight > maxPixelSize.height) {
CGFloat pixelRatio = pixelWidth / pixelHeight;
CGFloat maxPixelSizeRatio = maxPixelSize.width / maxPixelSize.height;

1
SDWebImage/Core/UIView+WebCache.m
View File

@ -12,6 +12,7 @@
#import "SDWebImageError.h"
#import "SDInternalMacros.h"
#import "SDWebImageTransitionInternal.h"
#import "SDImageCache.h"
const int64_t SDWebImageProgressUnitCountUnknown = 1LL;