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Added SDImageCoderDecodeSolutionAutomatic, which check image format as well 

This avoid the unwanted CMPhoto log
This commit is contained in:
DreamPiggy 2022-07-16 16:27:30 +08:00
parent 213a8b8def
commit a88e669422
3 changed files with 102 additions and 47 deletions
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12
SDWebImage/Core/SDImageCoderHelper.h
View File

@ -11,9 +11,11 @@
#import "SDImageFrame.h"
typedef NS_ENUM(NSUInteger, SDImageCoderDecodeSolution) {
/// always use the CoreGraphics to redraw on bitmap context, best compatibility
/// automatically choose the solution based on image format, hardware, OS version. This keep balance for compatibility and performance. Default after SDWebImage 5.13.0
SDImageCoderDecodeSolutionAutomatic,
/// always use CoreGraphics to draw on bitmap context and trigger decode. Best compatibility. Default before SDWebImage 5.13.0
SDImageCoderDecodeSolutionCoreGraphics,
/// available on iOS/tvOS 15+, use UIKit's new CGImageDecompressor, best performance. If failed, will fallback to CoreGraphics as well
/// available on iOS/tvOS 15+, use UIKit's new CGImageDecompressor/CMPhoto to decode. Best performance. If failed, will fallback to CoreGraphics as well
SDImageCoderDecodeSolutionUIKit
};
@ -118,9 +120,9 @@ typedef NS_ENUM(NSUInteger, SDImageCoderDecodeSolution) {
*/
+ (UIImage * _Nullable)decodedAndScaledDownImageWithImage:(UIImage * _Nullable)image limitBytes:(NSUInteger)bytes;
/** Control the default force decode solution. Available solutions in `SDImageCoderDecodeSolution`.
@note Defaults to `SDImageCoderDecodeSolutionCoreGraphics`
@note You can opt-in to use `SDImageCoderDecodeSolutionUIKit`, which will prefer to use UIKit on iOS 15, and fallback to CoreGraphics instead.
/**
Control the default force decode solution. Available solutions in `SDImageCoderDecodeSolution`.
@note Defaults to `SDImageCoderDecodeSolutionAutomatic`, which prefers to use UIKit for JPEG/HEIF, and fallback on CoreGraphics. If you want control on your hand, set the other solution.
*/
@property (class, readwrite) SDImageCoderDecodeSolution defaultDecodeSolution;

136
SDWebImage/Core/SDImageCoderHelper.m
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@ -16,13 +16,63 @@
#import "UIImage+Metadata.h"
#import "SDInternalMacros.h"
#import "SDGraphicsImageRenderer.h"
#import "SDInternalMacros.h"
#import <Accelerate/Accelerate.h>
static inline size_t SDByteAlign(size_t size, size_t alignment) {
return ((size + (alignment - 1)) / alignment) * alignment;
}
static SDImageCoderDecodeSolution kDefaultDecodeSolution = SDImageCoderDecodeSolutionCoreGraphics;
#if SD_UIKIT
static inline UIImage *SDImageDecodeUIKit(UIImage *image) {
// See: https://developer.apple.com/documentation/uikit/uiimage/3750834-imagebypreparingfordisplay
// Need CGImage-based
if (@available(iOS 15, tvOS 15, *)) {
UIImage *decodedImage = [image imageByPreparingForDisplay];
if (decodedImage) {
SDImageCopyAssociatedObject(image, decodedImage);
decodedImage.sd_isDecoded = YES;
return decodedImage;
}
}
return nil;
}
static inline UIImage *SDImageDecodeAndScaleDownUIKit(UIImage *image, CGSize destResolution) {
// See: https://developer.apple.com/documentation/uikit/uiimage/3750835-imagebypreparingthumbnailofsize
// Need CGImage-based
if (@available(iOS 15, tvOS 15, *)) {
// Calculate thumbnail point size
CGFloat scale = image.scale ?: 1;
CGSize thumbnailSize = CGSizeMake(destResolution.width / scale, destResolution.height / scale);
UIImage *decodedImage = [image imageByPreparingThumbnailOfSize:thumbnailSize];
if (decodedImage) {
SDImageCopyAssociatedObject(image, decodedImage);
decodedImage.sd_isDecoded = YES;
return decodedImage;
}
}
return nil;
}
static inline BOOL SDImageSupportsHardwareHEVCDecoder(void) {
static dispatch_once_t onceToken;
static BOOL supportsHardware = NO;
dispatch_once(&onceToken, ^{
SEL DeviceInfoSelector = SD_SEL_SPI(deviceInfoForKey:);
NSString *HEVCDecoder8bitSupported = @"N8lZxRgC7lfdRS3dRLn+Ag";
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
if ([UIDevice.currentDevice respondsToSelector:DeviceInfoSelector] && [UIDevice.currentDevice performSelector:DeviceInfoSelector withObject:HEVCDecoder8bitSupported]) {
supportsHardware = YES;
}
#pragma clang diagnostic pop
});
return supportsHardware;
}
#endif
static SDImageCoderDecodeSolution kDefaultDecodeSolution = SDImageCoderDecodeSolutionAutomatic;
static const size_t kBytesPerPixel = 4;
static const size_t kBitsPerComponent = 8;
@ -369,18 +419,23 @@ static const CGFloat kDestSeemOverlap = 2.0f; // the numbers of pixels to over
return image;
}
UIImage *decodedImage;
#if SD_UIKIT
// See: https://developer.apple.com/documentation/uikit/uiimage/3750834-imagebypreparingfordisplay
// Need CGImage-based
if (self.defaultDecodeSolution == SDImageCoderDecodeSolutionUIKit) {
if (@available(iOS 15, tvOS 15, *)) {
UIImage *decodedImage = [image imageByPreparingForDisplay];
if (decodedImage) {
SDImageCopyAssociatedObject(image, decodedImage);
decodedImage.sd_isDecoded = YES;
return decodedImage;
}
SDImageCoderDecodeSolution decodeSolution = self.defaultDecodeSolution;
if (decodeSolution == SDImageCoderDecodeSolutionAutomatic) {
// See #3365, CMPhoto iOS 15 only supports JPEG/HEIF format, or it will print an error log :(
SDImageFormat format = image.sd_imageFormat;
if ((format == SDImageFormatHEIC || format == SDImageFormatHEIF) && SDImageSupportsHardwareHEVCDecoder()) {
decodedImage = SDImageDecodeUIKit(image);
} else if (format == SDImageFormatJPEG) {
decodedImage = SDImageDecodeUIKit(image);
}
} else if (decodeSolution == SDImageCoderDecodeSolutionUIKit) {
// Arbitrarily call CMPhoto
decodedImage = SDImageDecodeUIKit(image);
}
if (decodedImage) {
return decodedImage;
}
#endif
@ -396,7 +451,7 @@ static const CGFloat kDestSeemOverlap = 2.0f; // the numbers of pixels to over
format.scale = image.scale;
CGSize imageSize = image.size;
SDGraphicsImageRenderer *renderer = [[SDGraphicsImageRenderer alloc] initWithSize:imageSize format:format];
UIImage *decodedImage = [renderer imageWithActions:^(CGContextRef _Nonnull context) {
decodedImage = [renderer imageWithActions:^(CGContextRef _Nonnull context) {
[image drawInRect:CGRectMake(0, 0, imageSize.width, imageSize.height)];
}];
SDImageCopyAssociatedObject(image, decodedImage);
@ -436,26 +491,26 @@ static const CGFloat kDestSeemOverlap = 2.0f; // the numbers of pixels to over
destResolution.width = MAX(1, (int)(sourceResolution.width * imageScale));
destResolution.height = MAX(1, (int)(sourceResolution.height * imageScale));
UIImage *decodedImage;
#if SD_UIKIT
// See: https://developer.apple.com/documentation/uikit/uiimage/3750835-imagebypreparingthumbnailofsize
// Need CGImage-based
if (self.defaultDecodeSolution == SDImageCoderDecodeSolutionUIKit) {
if (@available(iOS 15, tvOS 15, *)) {
// Calculate thumbnail point size
CGFloat scale = image.scale ?: 1;
CGSize thumbnailSize = CGSizeMake(destResolution.width / scale, destResolution.height / scale);
UIImage *decodedImage = [image imageByPreparingThumbnailOfSize:thumbnailSize];
if (decodedImage) {
SDImageCopyAssociatedObject(image, decodedImage);
decodedImage.sd_isDecoded = YES;
return decodedImage;
}
SDImageCoderDecodeSolution decodeSolution = self.defaultDecodeSolution;
if (decodeSolution == SDImageCoderDecodeSolutionAutomatic) {
// See #3365, CMPhoto iOS 15 only supports JPEG/HEIF format, or it will print an error log :(
SDImageFormat format = image.sd_imageFormat;
if ((format == SDImageFormatHEIC || format == SDImageFormatHEIF) && SDImageSupportsHardwareHEVCDecoder()) {
decodedImage = SDImageDecodeAndScaleDownUIKit(image, destResolution);
} else if (format == SDImageFormatJPEG) {
decodedImage = SDImageDecodeAndScaleDownUIKit(image, destResolution);
}
} else if (decodeSolution == SDImageCoderDecodeSolutionUIKit) {
// Arbitrarily call CMPhoto
decodedImage = SDImageDecodeAndScaleDownUIKit(image, destResolution);
}
if (decodedImage) {
return decodedImage;
}
#endif
CGContextRef destContext = NULL;
// autorelease the bitmap context and all vars to help system to free memory when there are memory warning.
// on iOS7, do not forget to call [[SDImageCache sharedImageCache] clearMemory];
@autoreleasepool {
@ -475,13 +530,13 @@ static const CGFloat kDestSeemOverlap = 2.0f; // the numbers of pixels to over
// RGB888
bitmapInfo = kCGBitmapByteOrderDefault | kCGImageAlphaNoneSkipLast;
}
destContext = CGBitmapContextCreate(NULL,
destResolution.width,
destResolution.height,
kBitsPerComponent,
0,
colorspaceRef,
bitmapInfo);
CGContextRef destContext = CGBitmapContextCreate(NULL,
destResolution.width,
destResolution.height,
kBitsPerComponent,
0,
colorspaceRef,
bitmapInfo);
if (destContext == NULL) {
return image;
@ -549,17 +604,14 @@ static const CGFloat kDestSeemOverlap = 2.0f; // the numbers of pixels to over
return image;
}
#if SD_MAC
UIImage *destImage = [[UIImage alloc] initWithCGImage:destImageRef scale:image.scale orientation:kCGImagePropertyOrientationUp];
decodedImage = [[UIImage alloc] initWithCGImage:destImageRef scale:image.scale orientation:kCGImagePropertyOrientationUp];
#else
UIImage *destImage = [[UIImage alloc] initWithCGImage:destImageRef scale:image.scale orientation:image.imageOrientation];
decodedImage = [[UIImage alloc] initWithCGImage:destImageRef scale:image.scale orientation:image.imageOrientation];
#endif
CGImageRelease(destImageRef);
if (destImage == nil) {
return image;
}
SDImageCopyAssociatedObject(image, destImage);
destImage.sd_isDecoded = YES;
return destImage;
SDImageCopyAssociatedObject(image, decodedImage);
decodedImage.sd_isDecoded = YES;
return decodedImage;
}
}

1
SDWebImage/Core/UIImage+ForceDecode.m
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@ -9,6 +9,7 @@
#import "UIImage+ForceDecode.h"
#import "SDImageCoderHelper.h"
#import "objc/runtime.h"
#import "NSImage+Compatibility.h"
@implementation UIImage (ForceDecode)