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Merge pull request #3334 from dreampiggy/bugfix_force_decode_use_image_renderer_and_argb8888 

Workaround iOS 15+ force decode again using Image Renderer(preferred) and RGB888
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DreamPiggy 2022-03-16 15:55:31 +08:00 committed by GitHub
parent 0228390699 874b674cb6
commit 4974524a47
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 72 additions and 73 deletions
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2
Examples/SDWebImage OSX Demo/ViewController.m
View File

@ -34,7 +34,7 @@
// NSImageView + Animated Image
self.imageView2.sd_imageIndicator = SDWebImageActivityIndicator.largeIndicator;
[self.imageView2 sd_setImageWithURL:[NSURL URLWithString:@"https:raw.githubusercontent.com/onevcat/APNGKit/master/TestImages/APNG-cube.apng"]];
[self.imageView2 sd_setImageWithURL:[NSURL URLWithString:@"https://raw.githubusercontent.com/onevcat/APNGKit/2.2.0/Tests/APNGKitTests/Resources/General/APNG-cube.apng"]];
NSMenu *menu1 = [[NSMenu alloc] initWithTitle:@"Toggle Animation"];
NSMenuItem *item1 = [menu1 addItemWithTitle:@"Toggle Animation" action:@selector(toggleAnimation:) keyEquivalent:@""];
item1.tag = 1;

105
SDWebImage/Core/SDImageCoderHelper.m
View File

@ -15,6 +15,7 @@
#import "SDAssociatedObject.h"
#import "UIImage+Metadata.h"
#import "SDInternalMacros.h"
#import "SDGraphicsImageRenderer.h"
#import <Accelerate/Accelerate.h>
static inline size_t SDByteAlign(size_t size, size_t alignment) {
@ -188,24 +189,10 @@ static const CGFloat kDestSeemOverlap = 2.0f; // the numbers of pixels to over
}
+ (CGColorSpaceRef)colorSpaceGetDeviceRGB {
#if SD_MAC
CGColorSpaceRef screenColorSpace = NSScreen.mainScreen.colorSpace.CGColorSpace;
if (screenColorSpace) {
return screenColorSpace;
}
#endif
static CGColorSpaceRef colorSpace;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
#if SD_UIKIT
if (@available(iOS 9.0, tvOS 9.0, *)) {
colorSpace = CGColorSpaceCreateWithName(kCGColorSpaceSRGB);
} else {
colorSpace = CGColorSpaceCreateDeviceRGB();
}
#else
colorSpace = CGColorSpaceCreateDeviceRGB();
#endif
});
return colorSpace;
}
@ -252,22 +239,19 @@ static const CGFloat kDestSeemOverlap = 2.0f; // the numbers of pixels to over
}
BOOL hasAlpha = [self CGImageContainsAlpha:cgImage];
// iOS prefer BGRA8888 (premultiplied) or BGRX8888 bitmapInfo for screen rendering, which is same as `UIGraphicsBeginImageContext()` or `- [CALayer drawInContext:]`
// Though you can use any supported bitmapInfo (see: https://developer.apple.com/library/content/documentation/GraphicsImaging/Conceptual/drawingwithquartz2d/dq_context/dq_context.html#//apple_ref/doc/uid/TP30001066-CH203-BCIBHHBB ) and let Core Graphics reorder it when you call `CGContextDrawImage`
// But since our build-in coders use this bitmapInfo, this can have a little performance benefit
// kCGImageAlphaNone is not supported in CGBitmapContextCreate.
// Check #3330 for more detail about why this bitmap is choosen.
CGBitmapInfo bitmapInfo;
CGContextRef context = NULL;
if (@available(iOS 15, tvOS 15, macOS 12, watchOS 8, *)) {
// Update for iOS 15: CoreGraphics's draw image will fail to transcode and draw some special CGImage on BGRX8888
// We prefer to use the input CGImage's bitmap firstly, then fallback to BGRAX8888. See #3330
bitmapInfo = CGImageGetBitmapInfo(cgImage);
context = CGBitmapContextCreate(NULL, newWidth, newHeight, 8, 0, [self colorSpaceGetDeviceRGB], bitmapInfo);
}
if (!context) {
bitmapInfo = kCGBitmapByteOrder32Host;
bitmapInfo |= hasAlpha ? kCGImageAlphaPremultipliedFirst : kCGImageAlphaNoneSkipFirst;
context = CGBitmapContextCreate(NULL, newWidth, newHeight, 8, 0, [self colorSpaceGetDeviceRGB], bitmapInfo);
if (hasAlpha) {
// iPhone GPU prefer to use BGRA8888, see: https://forums.raywenderlich.com/t/why-mtlpixelformat-bgra8unorm/53489
// BGRA8888
bitmapInfo = kCGBitmapByteOrder32Host | kCGImageAlphaPremultipliedFirst;
} else {
// BGR888 previously works on iOS 8~iOS 14, however, iOS 15+ will result a black image. FB9958017
// RGB888
bitmapInfo = kCGBitmapByteOrderDefault | kCGImageAlphaNoneSkipLast;
}
CGContextRef context = CGBitmapContextCreate(NULL, newWidth, newHeight, 8, 0, [self colorSpaceGetDeviceRGB], bitmapInfo);
if (!context) {
return NULL;
}
@ -299,9 +283,18 @@ static const CGFloat kDestSeemOverlap = 2.0f; // the numbers of pixels to over
if (output_buffer.data) free(output_buffer.data);
};
BOOL hasAlpha = [self CGImageContainsAlpha:cgImage];
// iOS display alpha info (BGRA8888/BGRX8888)
CGBitmapInfo bitmapInfo = kCGBitmapByteOrder32Host;
bitmapInfo |= hasAlpha ? kCGImageAlphaPremultipliedFirst : kCGImageAlphaNoneSkipFirst;
// kCGImageAlphaNone is not supported in CGBitmapContextCreate.
// Check #3330 for more detail about why this bitmap is choosen.
CGBitmapInfo bitmapInfo;
if (hasAlpha) {
// iPhone GPU prefer to use BGRA8888, see: https://forums.raywenderlich.com/t/why-mtlpixelformat-bgra8unorm/53489
// BGRA8888
bitmapInfo = kCGBitmapByteOrder32Host | kCGImageAlphaPremultipliedFirst;
} else {
// BGR888 previously works on iOS 8~iOS 14, however, iOS 15+ will result a black image. FB9958017
// RGB888
bitmapInfo = kCGBitmapByteOrderDefault | kCGImageAlphaNoneSkipLast;
}
vImage_CGImageFormat format = (vImage_CGImageFormat) {
.bitsPerComponent = 8,
.bitsPerPixel = 32,
@ -309,7 +302,7 @@ static const CGFloat kDestSeemOverlap = 2.0f; // the numbers of pixels to over
.bitmapInfo = bitmapInfo,
.version = 0,
.decode = NULL,
.renderingIntent = kCGRenderingIntentDefault,
.renderingIntent = CGImageGetRenderingIntent(cgImage)
};
vImage_Error a_ret = vImageBuffer_InitWithCGImage(&input_buffer, &format, NULL, cgImage, kvImageNoFlags);
@ -337,16 +330,21 @@ static const CGFloat kDestSeemOverlap = 2.0f; // the numbers of pixels to over
return image;
}
CGImageRef imageRef = [self CGImageCreateDecoded:image.CGImage];
CGImageRef imageRef = image.CGImage;
if (!imageRef) {
return image;
}
#if SD_MAC
UIImage *decodedImage = [[UIImage alloc] initWithCGImage:imageRef scale:image.scale orientation:kCGImagePropertyOrientationUp];
#else
UIImage *decodedImage = [[UIImage alloc] initWithCGImage:imageRef scale:image.scale orientation:image.imageOrientation];
#endif
CGImageRelease(imageRef);
BOOL hasAlpha = [self CGImageContainsAlpha:imageRef];
// Prefer to use new Image Renderer to re-draw image, instead of low-level CGBitmapContext and CGContextDrawImage
// This can keep both OS compatible and don't fight with Apple's performance optimization
SDGraphicsImageRendererFormat *format = [[SDGraphicsImageRendererFormat alloc] init];
format.opaque = !hasAlpha;
format.scale = image.scale;
CGSize imageSize = image.size;
SDGraphicsImageRenderer *renderer = [[SDGraphicsImageRenderer alloc] initWithSize:imageSize format:format];
UIImage *decodedImage = [renderer imageWithActions:^(CGContextRef _Nonnull context) {
[image drawInRect:CGRectMake(0, 0, imageSize.width, imageSize.height)];
}];
SDImageCopyAssociatedObject(image, decodedImage);
decodedImage.sd_isDecoded = YES;
return decodedImage;
@ -392,13 +390,17 @@ static const CGFloat kDestSeemOverlap = 2.0f; // the numbers of pixels to over
BOOL hasAlpha = [self CGImageContainsAlpha:sourceImageRef];
// kCGImageAlphaNone is not supported in CGBitmapContextCreate.
// Since the original image here has no alpha info, use kCGImageAlphaNoneSkipFirst
// to create bitmap graphics contexts without alpha info.
// Check #3330 for more detail about why this bitmap is choosen.
CGBitmapInfo bitmapInfo;
if (@available(iOS 15, tvOS 15, macOS 12, watchOS 8, *)) {
// Update for iOS 15: CoreGraphics's draw image will fail to transcode some special CGImage on BGRX8888
// We prefer to use the input CGImage's bitmap firstly, then fallback to BGRAX8888. See #3330
bitmapInfo = CGImageGetBitmapInfo(sourceImageRef);
if (hasAlpha) {
// iPhone GPU prefer to use BGRA8888, see: https://forums.raywenderlich.com/t/why-mtlpixelformat-bgra8unorm/53489
// BGRA8888
bitmapInfo = kCGBitmapByteOrder32Host | kCGImageAlphaPremultipliedFirst;
} else {
// BGR888 previously works on iOS 8~iOS 14, however, iOS 15+ will result a black image. FB9958017
// RGB888
bitmapInfo = kCGBitmapByteOrderDefault | kCGImageAlphaNoneSkipLast;
}
destContext = CGBitmapContextCreate(NULL,
destResolution.width,
destResolution.height,
@ -406,19 +408,6 @@ static const CGFloat kDestSeemOverlap = 2.0f; // the numbers of pixels to over
0,
colorspaceRef,
bitmapInfo);
}
if (!destContext) {
// iOS display alpha info (BGRA8888/BGRX8888)
bitmapInfo = kCGBitmapByteOrder32Host;
bitmapInfo |= hasAlpha ? kCGImageAlphaPremultipliedFirst : kCGImageAlphaNoneSkipFirst;
destContext = CGBitmapContextCreate(NULL,
destResolution.width,
destResolution.height,
kBitsPerComponent,
0,
colorspaceRef,
bitmapInfo);
}
if (destContext == NULL) {
return image;

20
SDWebImage/Core/SDImageGraphics.m
View File

@ -8,6 +8,7 @@
#import "SDImageGraphics.h"
#import "NSImage+Compatibility.h"
#import "SDImageCoderHelper.h"
#import "objc/runtime.h"
#if SD_MAC
@ -22,11 +23,20 @@ static CGContextRef SDCGContextCreateBitmapContext(CGSize size, BOOL opaque, CGF
size_t height = ceil(size.height * scale);
if (width < 1 || height < 1) return NULL;
//pre-multiplied BGRA for non-opaque, BGRX for opaque, 8-bits per component, as Apple's doc
CGColorSpaceRef space = CGColorSpaceCreateDeviceRGB();
CGImageAlphaInfo alphaInfo = kCGBitmapByteOrder32Host | (opaque ? kCGImageAlphaNoneSkipFirst : kCGImageAlphaPremultipliedFirst);
CGContextRef context = CGBitmapContextCreate(NULL, width, height, 8, 0, space, kCGBitmapByteOrderDefault | alphaInfo);
CGColorSpaceRelease(space);
CGColorSpaceRef space = [SDImageCoderHelper colorSpaceGetDeviceRGB];
// kCGImageAlphaNone is not supported in CGBitmapContextCreate.
// Check #3330 for more detail about why this bitmap is choosen.
CGBitmapInfo bitmapInfo;
if (!opaque) {
// iPhone GPU prefer to use BGRA8888, see: https://forums.raywenderlich.com/t/why-mtlpixelformat-bgra8unorm/53489
// BGRA8888
bitmapInfo = kCGBitmapByteOrder32Host | kCGImageAlphaPremultipliedFirst;
} else {
// BGR888 previously works on iOS 8~iOS 14, however, iOS 15+ will result a black image. FB9958017
// RGB888
bitmapInfo = kCGBitmapByteOrderDefault | kCGImageAlphaNoneSkipLast;
}
CGContextRef context = CGBitmapContextCreate(NULL, width, height, 8, 0, space, bitmapInfo);
if (!context) {
return NULL;
}

2
SDWebImage/Core/UIImage+Transform.m
View File

@ -609,7 +609,7 @@ static inline CGImageRef _Nullable SDCreateCGImageFromCIImage(CIImage * _Nonnull
.bitmapInfo = kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host, //requests a BGRA buffer.
.version = 0,
.decode = NULL,
.renderingIntent = kCGRenderingIntentDefault
.renderingIntent = CGImageGetRenderingIntent(imageRef)
};
vImage_Error err;

2
Tests/Tests/SDWebImageManagerTests.m
View File

@ -284,7 +284,7 @@
- (void)test13ThatScaleDownLargeImageEXIFOrientationImage {
XCTestExpectation *expectation = [self expectationWithDescription:@"SDWebImageScaleDownLargeImages works on EXIF orientation image"];
NSURL *originalImageURL = [NSURL URLWithString:@"https://raw.githubusercontent.com/recurser/exif-orientation-examples/master/Landscape_2.jpg"];
[SDWebImageManager.sharedManager loadImageWithURL:originalImageURL options:SDWebImageScaleDownLargeImages progress:nil completed:^(UIImage * _Nullable image, NSData * _Nullable data, NSError * _Nullable error, SDImageCacheType cacheType, BOOL finished, NSURL * _Nullable imageURL) {
[SDWebImageManager.sharedManager loadImageWithURL:originalImageURL options:SDWebImageScaleDownLargeImages | SDWebImageAvoidDecodeImage progress:nil completed:^(UIImage * _Nullable image, NSData * _Nullable data, NSError * _Nullable error, SDImageCacheType cacheType, BOOL finished, NSURL * _Nullable imageURL) {
expect(image).notTo.beNil();
#if SD_UIKIT
UIImageOrientation orientation = [SDImageCoderHelper imageOrientationFromEXIFOrientation:kCGImagePropertyOrientationUpMirrored];