/* * Copyright [2019] [Doric.Pub] * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ // // DoricImageNode.m // Doric // // Created by pengfei.zhou on 2019/8/6. // #import "DoricImageNode.h" #import "DoricExtensions.h" #import "DoricUtil.h" #import "DoricSuperNode.h" #import "DoricThirdParty.h" #import #import #if DORIC_USE_YYWEBIMAGE #import #import @interface DoricImageView : YYAnimatedImageView @end @implementation DoricImageView - (void)displayLayer:(CALayer *)layer { if (@available(iOS 14.0, *)) { if ([self.image isKindOfClass:YYImage.class] && ((YYImage *) self.image).animatedImageData) { [super displayLayer:layer]; } else { layer.contents = (__bridge id) self.image.CGImage; } } else { [super displayLayer:layer]; } } @end #elif DORIC_USE_SDWEBIMAGE #import @interface DoricImageView : SDAnimatedImageView @end @implementation DoricImageView @end #else @interface DoricImageView : UIImageView @end @implementation DoricImageView @end #endif @interface DoricImageNode () @property(nonatomic, copy) NSString *loadCallbackId; @property(nonatomic, copy) NSString *animationEndCallbackId; @property(nonatomic, assign) UIViewContentMode contentMode; @property(nonatomic, strong) NSNumber *placeHolderColor; @property(nonatomic, strong) NSString *placeHolderImage; @property(nonatomic, strong) NSString *placeHolderImageBase64; @property(nonatomic, strong) NSNumber *errorColor; @property(nonatomic, strong) NSString *errorImage; @property(nonatomic, strong) NSString *errorImageBase64; @property(nonatomic, strong) UIVisualEffectView *blurEffectView; @property(nonatomic, strong) NSDictionary *stretchInsetDic; @property(nonatomic, assign) CGFloat imageScale; @end @implementation DoricImageNode - (UIImageView *)build { self.imageScale = UIScreen.mainScreen.scale; return [[DoricImageView new] also:^(UIImageView *it) { it.clipsToBounds = YES; it.contentMode = UIViewContentModeScaleAspectFill; }]; } - (void)blend:(NSDictionary *)props { [props[@"placeHolderColor"] also:^(id it) { self.placeHolderColor = it; }]; [props[@"placeHolderImage"] also:^(id it) { self.placeHolderImage = it; }]; [props[@"placeHolderImageBase64"] also:^(id it) { self.placeHolderImageBase64 = it; }]; [props[@"errorColor"] also:^(id it) { self.errorColor = it; }]; [props[@"errorImage"] also:^(id it) { self.errorImage = it; }]; [props[@"errorImageBase64"] also:^(id it) { self.errorImageBase64 = it; }]; [props[@"imageScale"] also:^(NSNumber *it) { self.imageScale = it.floatValue; }]; [props[@"loadCallback"] also:^(NSString *it) { self.loadCallbackId = it; }]; [super blend:props]; } - (UIImage *)currentPlaceHolderImage { if (self.placeHolderImage) { return [UIImage imageNamed:self.placeHolderImage]; } if (self.placeHolderImageBase64) { NSString *base64 = self.placeHolderImageBase64; if (YES == [base64 hasPrefix:@"data:image"]) { base64 = [base64 componentsSeparatedByString:@","].lastObject; } NSData *imageData = [[NSData alloc] initWithBase64EncodedString:base64 options:NSDataBase64DecodingIgnoreUnknownCharacters]; #if DORIC_USE_YYWEBIMAGE YYImage *image = [YYImage imageWithData:imageData scale:self.imageScale]; #elif DORIC_USE_SDWEBIMAGE UIImage *image = [SDAnimatedImage imageWithData:imageData scale:self.imageScale]; if (!image) { image = [UIImage imageWithData:imageData scale:self.imageScale]; } #else UIImage *image = [UIImage imageWithData:imageData scale:self.imageScale]; #endif return image; } if (self.placeHolderColor) { UIColor *color = DoricColor(self.placeHolderColor); CGRect rect = CGRectMake(0, 0, 1, 1); self.view.contentMode = UIViewContentModeScaleToFill; if (@available(iOS 10.0, *)) { UIGraphicsImageRendererFormat *format = [[UIGraphicsImageRendererFormat alloc] init]; format.scale = [UIScreen mainScreen].scale; UIGraphicsImageRenderer *render = [[UIGraphicsImageRenderer alloc] initWithSize:rect.size format:format]; UIImage *image = [render imageWithActions:^(UIGraphicsImageRendererContext *_Nonnull rendererContext) { CGContextRef context = rendererContext.CGContext; CGContextSetFillColorWithColor(context, color.CGColor); CGContextFillRect(context, rect); }]; return image; } else { UIGraphicsBeginImageContextWithOptions(rect.size, NO, [UIScreen mainScreen].scale); CGContextRef context = UIGraphicsGetCurrentContext(); CGContextSetFillColorWithColor(context, color.CGColor); CGContextFillRect(context, rect); UIImage *image = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); return image; } } return self.doricContext.driver.registry.defaultPlaceHolderImage; } - (UIImage *)currentErrorImage { if (self.errorImage) { return [UIImage imageNamed:self.errorImage]; } if (self.errorImageBase64) { NSString *base64 = self.errorImageBase64; if (YES == [base64 hasPrefix:@"data:image"]) { base64 = [base64 componentsSeparatedByString:@","].lastObject; } NSData *imageData = [[NSData alloc] initWithBase64EncodedString:base64 options:NSDataBase64DecodingIgnoreUnknownCharacters]; #if DORIC_USE_YYWEBIMAGE YYImage *image = [YYImage imageWithData:imageData scale:self.imageScale]; #elif DORIC_USE_SDWEBIMAGE UIImage *image = [SDAnimatedImage imageWithData:imageData scale:self.imageScale]; if (!image) { image = [UIImage imageWithData:imageData scale:self.imageScale]; } #else UIImage *image = [UIImage imageWithData:imageData scale:self.imageScale]; #endif return image; } if (self.errorColor) { UIColor *color = DoricColor(self.errorColor); CGRect rect = CGRectMake(0, 0, 1, 1); self.view.contentMode = UIViewContentModeScaleToFill; if (@available(iOS 10.0, *)) { UIGraphicsImageRendererFormat *format = [[UIGraphicsImageRendererFormat alloc] init]; format.scale = [UIScreen mainScreen].scale; UIGraphicsImageRenderer *render = [[UIGraphicsImageRenderer alloc] initWithSize:rect.size format:format]; UIImage *image = [render imageWithActions:^(UIGraphicsImageRendererContext *_Nonnull rendererContext) { CGContextRef context = rendererContext.CGContext; CGContextSetFillColorWithColor(context, color.CGColor); CGContextFillRect(context, rect); }]; return image; } else { UIGraphicsBeginImageContextWithOptions(rect.size, NO, [UIScreen mainScreen].scale); CGContextRef context = UIGraphicsGetCurrentContext(); CGContextSetFillColorWithColor(context, color.CGColor); CGContextFillRect(context, rect); UIImage *image = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); return image; } } return self.doricContext.driver.registry.defaultErrorImage; } - (void)blendView:(UIImageView *)view forPropName:(NSString *)name propValue:(id)prop { if ([@"image" isEqualToString:name]) { DoricAsyncResult *asyncResult = [[self.doricContext.driver.registry.loaderManager load:prop withContext:self.doricContext] fetch]; [asyncResult setResultCallback:^(NSData *imageData) { [self.doricContext dispatchToMainQueue:^{ #if DORIC_USE_YYWEBIMAGE YYImage *image = [YYImage imageWithData:imageData scale:self.imageScale]; #elif DORIC_USE_SDWEBIMAGE UIImage *image = [SDAnimatedImage imageWithData:imageData scale:self.imageScale]; if (!image) { image = [UIImage imageWithData:imageData scale:self.imageScale]; } #else UIImage *image = [UIImage imageWithData:imageData scale:self.imageScale]; #endif view.image = image; if (self.needReload) { [self.superNode subNodeContentChanged:self]; } if (self.loadCallbackId.length > 0) { if (image) { [self callJSResponse:self.loadCallbackId, @{ @"width": @(image.size.width), @"height": @(image.size.height), #if DORIC_USE_YYWEBIMAGE @"animated": (image.animatedImageData != nil) ? @(YES) : @(NO), #elif DORIC_USE_SDWEBIMAGE @"animated": ([image isKindOfClass:SDAnimatedImage.class] && ((SDAnimatedImage *) image).animatedImageFrameCount > 0) ? @(YES) : @(NO), #else @"animated": @(NO), #endif }, nil]; } else { [self callJSResponse:self.loadCallbackId, nil]; } } }]; }]; [asyncResult setExceptionCallback:^(NSException *e) { DoricLog(@"Cannot load resource %@, %@", prop, e.reason); }]; } else if ([@"imageUrl" isEqualToString:name]) { __weak typeof(self) _self = self; __block BOOL async = NO; view.doricLayout.undefined = YES; #if DORIC_USE_YYWEBIMAGE dispatch_async([_YYWebImageSetter setterQueue], ^{ [view yy_cancelCurrentImageRequest]; [view yy_setImageWithURL:[NSURL URLWithString:prop] placeholder:[self currentPlaceHolderImage] options:0 completion:^(UIImage *image, NSURL *url, YYWebImageFromType from, YYWebImageStage stage, NSError *error) { __strong typeof(_self) self = _self; if (self.placeHolderColor || self.errorColor) { self.view.contentMode = self.contentMode; } self.view.doricLayout.undefined = NO; if (error) { [[self currentErrorImage] also:^(UIImage *it) { self.view.image = it; }]; if (self.loadCallbackId.length > 0) { [self callJSResponse:self.loadCallbackId, nil]; } } else if (image && stage == YYWebImageStageFinished) { if (image.scale != self.imageScale) { if ([image isKindOfClass:YYImage.class] && ((YYImage *) image).animatedImageData != nil) { image = [YYImage imageWithData:((YYImage *) image).animatedImageData scale:self.imageScale]; } else { image = [YYImage imageWithCGImage:image.CGImage scale:self.imageScale orientation:image.imageOrientation]; } self.view.image = image; } if (self.loadCallbackId.length > 0) { [self callJSResponse:self.loadCallbackId, @{ @"width": @(image.size.width), @"height": @(image.size.height), @"animated": ([image isKindOfClass:YYImage.class] && ((YYImage *) image).animatedImageData != nil) ? @(YES) : @(NO), }, nil]; } if (async && self.needReload) { [self.superNode subNodeContentChanged:self]; } } }]; }); #elif DORIC_USE_SDWEBIMAGE [view sd_setImageWithURL:[NSURL URLWithString:prop] placeholderImage:[self currentPlaceHolderImage] options:0 context:@{SDWebImageContextImageScaleFactor: @(self.imageScale)} progress:nil completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { __strong typeof(_self) self = _self; if (self.placeHolderColor || self.errorColor) { self.view.contentMode = self.contentMode; } self.view.doricLayout.undefined = NO; if (error) { [[self currentErrorImage] also:^(UIImage *it) { self.view.image = it; }]; if (self.loadCallbackId.length > 0) { [self callJSResponse:self.loadCallbackId, nil]; } } else { if (self.loadCallbackId.length > 0) { [self callJSResponse:self.loadCallbackId, @{ @"width": @(image.size.width), @"height": @(image.size.height), @"animated": ([image isKindOfClass:SDAnimatedImage.class] && ((SDAnimatedImage *) image).animatedImageFrameCount > 0) ? @(YES) : @(NO), }, nil]; } if (async && self.needReload) { [self.superNode subNodeContentChanged:self]; } } }]; #else DoricLog(@"Do not support load image url"); #endif async = YES; } else if ([@"scaleType" isEqualToString:name]) { switch ([prop integerValue]) { case 1: { self.view.contentMode = UIViewContentModeScaleAspectFit; break; } case 2: { self.view.contentMode = UIViewContentModeScaleAspectFill; break; } default: { self.view.contentMode = UIViewContentModeScaleToFill; break; } } self.contentMode = self.view.contentMode; } else if ([@"loadCallback" isEqualToString:name]) { // Do not need set } else if ([@"imageBase64" isEqualToString:name]) { NSString *base64 = prop; if (YES == [base64 hasPrefix:@"data:image"]) { base64 = [base64 componentsSeparatedByString:@","].lastObject; } NSData *imageData = [[NSData alloc] initWithBase64EncodedString:base64 options:NSDataBase64DecodingIgnoreUnknownCharacters]; #if DORIC_USE_YYWEBIMAGE YYImage *image = [YYImage imageWithData:imageData scale:self.imageScale]; #elif DORIC_USE_SDWEBIMAGE UIImage *image = [SDAnimatedImage imageWithData:imageData scale:self.imageScale]; if (!image) { image = [UIImage imageWithData:imageData scale:self.imageScale]; } #else UIImage *image = [UIImage imageWithData:imageData scale:self.imageScale]; #endif view.image = image; if (self.loadCallbackId.length > 0) { if (image) { [self callJSResponse:self.loadCallbackId, @{ @"width": @(image.size.width), @"height": @(image.size.height), #if DORIC_USE_YYWEBIMAGE @"animated": (image.animatedImageData != nil) ? @(YES) : @(NO), #elif DORIC_USE_SDWEBIMAGE @"animated": ([image isKindOfClass:SDAnimatedImage.class] && ((SDAnimatedImage *) image).animatedImageFrameCount > 0) ? @(YES) : @(NO), #else @"animated": @(NO), #endif }, nil]; } else { [self callJSResponse:self.loadCallbackId, nil]; } } } else if ([@"isBlur" isEqualToString:name]) { NSInteger value = [prop intValue]; if (value == 1) { if (!self.blurEffectView) { UIBlurEffect *blurEffect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleLight]; self.blurEffectView = [[UIVisualEffectView alloc] initWithEffect:blurEffect]; [view addSubview:self.blurEffectView]; dispatch_async(dispatch_get_main_queue(), ^{ self.blurEffectView.translatesAutoresizingMaskIntoConstraints = NO; NSLayoutConstraint *widthConstraint = [NSLayoutConstraint constraintWithItem:self.blurEffectView attribute:(NSLayoutAttributeWidth) relatedBy:(NSLayoutRelationEqual) toItem:view attribute:(NSLayoutAttributeWidth) multiplier:1 constant:0]; NSLayoutConstraint *heightConstraint = [NSLayoutConstraint constraintWithItem:self.blurEffectView attribute:(NSLayoutAttributeHeight) relatedBy:(NSLayoutRelationEqual) toItem:view attribute:(NSLayoutAttributeHeight) multiplier:1 constant:0]; [NSLayoutConstraint activateConstraints:@[widthConstraint, heightConstraint,]]; }); } } } else if ([@"imageRes" isEqualToString:name]) { UIImage *image = [self imageNamed:prop]; if (image) { view.image = image; } else { view.image = [UIImage imageNamed:prop]; } if (self.loadCallbackId.length > 0) { if (image) { [self callJSResponse:self.loadCallbackId, @{ @"width": @(image.size.width), @"height": @(image.size.height), #if DORIC_USE_YYWEBIMAGE @"animated": ([image isKindOfClass:YYImage.class] && ((YYImage *) image).animatedImageData != nil) ? @(YES) : @(NO), #elif DORIC_USE_SDWEBIMAGE @"animated": ([image isKindOfClass:SDAnimatedImage.class] && ((SDAnimatedImage *) image).animatedImageFrameCount > 0) ? @(YES) : @(NO), #else @"animated": @(NO), #endif }, nil]; } else { [self callJSResponse:self.loadCallbackId, nil]; } } } else if ([@"imagePath" isEqualToString:name]) { NSString *path = [[NSBundle mainBundle] bundlePath]; NSString *fullPath = [path stringByAppendingPathComponent:prop]; NSData *imgData = [[NSData alloc] initWithContentsOfFile:fullPath]; UIImage *image = [self imageFromData:imgData]; view.image = image; if (self.loadCallbackId.length > 0) { if (image) { [self callJSResponse:self.loadCallbackId, @{ @"width": @(image.size.width), @"height": @(image.size.height), #if DORIC_USE_YYWEBIMAGE @"animated": ([image isKindOfClass:YYImage.class] && ((YYImage *) image).animatedImageData != nil) ? @(YES) : @(NO), #elif DORIC_USE_SDWEBIMAGE @"animated": ([image isKindOfClass:SDAnimatedImage.class] && ((SDAnimatedImage *) image).animatedImageFrameCount > 0) ? @(YES) : @(NO), #else @"animated": @(NO), #endif }, nil]; } else { [self callJSResponse:self.loadCallbackId, nil]; } } } else if ([@"imageFilePath" isEqualToString:name]) { NSData *imgData = [[NSData alloc] initWithContentsOfFile:prop]; UIImage *image = [self imageFromData:imgData]; view.image = image; if (self.loadCallbackId.length > 0) { if (image) { [self callJSResponse:self.loadCallbackId, @{ @"width": @(image.size.width), @"height": @(image.size.height), #if DORIC_USE_YYWEBIMAGE @"animated": @([image isKindOfClass:YYImage.class] && ((YYImage *) image).animatedImageData != nil), #elif DORIC_USE_SDWEBIMAGE @"animated": ([image isKindOfClass:SDAnimatedImage.class] && ((SDAnimatedImage *) image).animatedImageFrameCount > 0) ? @(YES) : @(NO), #else @"animated": @(NO), #endif }, nil]; } else { [self callJSResponse:self.loadCallbackId, nil]; } } } else if ([@"stretchInset" isEqualToString:name]) { self.stretchInsetDic = (NSDictionary *) prop; } else if ([@"imageScale" isEqualToString:name]) { //Do not need set } else if ([@"onAnimationEnd" isEqualToString:name]) { if (self.animationEndCallbackId) { #if DORIC_USE_YYWEBIMAGE [(DoricImageView *) self.view removeObserver:self forKeyPath:@"currentIsPlayingAnimation" context:nil]; #elif DORIC_USE_SDWEBIMAGE [(DoricImageView *) self.view removeObserver:self forKeyPath:@"currentFrameIndex" context:nil]; #endif } self.animationEndCallbackId = prop; DoricImageView *doricImageView = (DoricImageView *) view; #if DORIC_USE_YYWEBIMAGE [doricImageView addObserver:self forKeyPath:@"currentIsPlayingAnimation" options:NSKeyValueObservingOptionOld context:nil]; #elif DORIC_USE_SDWEBIMAGE [doricImageView addObserver:self forKeyPath:@"currentFrameIndex" options:NSKeyValueObservingOptionNew context:nil]; #endif } else if ([@"imagePixels" isEqualToString:name]) { NSDictionary *imagePixels = prop; NSUInteger width = [imagePixels[@"width"] unsignedIntValue]; NSUInteger height = [imagePixels[@"height"] unsignedIntValue]; NSString *pixelsCallbackId = imagePixels[@"pixels"]; [[self callJSResponse:pixelsCallbackId, nil] setResultCallback:^(JSValue *pixelsValue) { if (![pixelsValue isArrayBuffer]) { return; } NSData *data = [pixelsValue toArrayBuffer]; [self.doricContext.driver ensureSyncInMainQueue:^{ CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB(); CGContextRef context = CGBitmapContextCreate((void *) data.bytes, width, height, 8, width * 4, colorSpace, kCGImageAlphaPremultipliedLast); CGImageRef imageRef = CGBitmapContextCreateImage(context); UIImage *image = [[UIImage alloc] initWithCGImage:imageRef scale:UIScreen.mainScreen.scale orientation:UIImageOrientationUp]; CGImageRelease(imageRef); CGContextRelease(context); CGColorSpaceRelease(colorSpace); self.view.image = image; }]; }]; } else { [super blendView:view forPropName:name propValue:prop]; } } - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context { DoricImageView *doricImageView = (DoricImageView *) self.view; #if DORIC_USE_YYWEBIMAGE if ([keyPath isEqualToString:@"currentIsPlayingAnimation"]) { if (!self.animationEndCallbackId) { return; } if (!doricImageView.currentIsPlayingAnimation && [change[@"old"] boolValue]) { [self callJSResponse:self.animationEndCallbackId, nil]; } } #elif DORIC_USE_SDWEBIMAGE if ([keyPath isEqualToString:@"currentFrameIndex"]) { if (!self.animationEndCallbackId) { return; } SDAnimatedImagePlayer *player = doricImageView.player; if (player.totalLoopCount > 0 && player.currentLoopCount == player.totalLoopCount - 1 && player.currentFrameIndex == player.totalFrameCount - 1 ) { [self callJSResponse:self.animationEndCallbackId, nil]; } } #endif } - (UIImage *)imageNamed:(NSString *)name { #if DORIC_USE_YYWEBIMAGE YYImage *image = [YYImage imageNamed:name]; #elif DORIC_USE_SDWEBIMAGE UIImage *image = [SDAnimatedImage imageNamed:name]; if (!image) { image = [UIImage imageNamed:name]; } #else UIImage *image = [UIImage imageNamed:name]; #endif return image; } - (UIImage *)imageFromData:(NSData *)imgData { #if DORIC_USE_YYWEBIMAGE YYImage *image = [YYImage imageWithData:imgData scale:self.imageScale]; #elif DORIC_USE_SDWEBIMAGE UIImage *image = [SDAnimatedImage imageWithData:imgData scale:self.imageScale]; if (!image) { image = [UIImage imageWithData:imgData scale:self.imageScale]; } #else UIImage *image = [UIImage imageWithData:imgData scale:self.imageScale]; #endif return image; } - (void)afterBlended:(NSDictionary *)props { if (self.stretchInsetDic != nil) { CGFloat left = [self.stretchInsetDic[@"left"] floatValue]; CGFloat top = [self.stretchInsetDic[@"top"] floatValue]; CGFloat right = [self.stretchInsetDic[@"right"] floatValue]; CGFloat bottom = [self.stretchInsetDic[@"bottom"] floatValue]; CGFloat scale = self.imageScale; UIImage *result = [self.view.image resizableImageWithCapInsets:UIEdgeInsetsMake(top / scale, left / scale, bottom / scale, right / scale) resizingMode:UIImageResizingModeStretch]; self.view.image = result; } } - (NSNumber *)isAnimating { if (self.view.animating) { return @(YES); } else { return @(NO); } } - (void)startAnimating { #if DORIC_USE_YYWEBIMAGE [(DoricImageView *) self.view setCurrentAnimatedImageIndex:0]; #endif [self.view startAnimating]; } - (void)stopAnimating { [self.view stopAnimating]; } - (void)reset { [super reset]; self.view.image = nil; self.loadCallbackId = nil; self.placeHolderColor = nil; self.placeHolderImage = nil; self.placeHolderImageBase64 = nil; self.errorColor = nil; self.errorImage = nil; self.errorImageBase64 = nil; self.imageScale = UIScreen.mainScreen.scale; self.blurEffectView = nil; self.view.contentMode = UIViewContentModeScaleAspectFill; if (self.animationEndCallbackId) { #if DORIC_USE_YYWEBIMAGE [(DoricImageView *) self.view removeObserver:self forKeyPath:@"currentIsPlayingAnimation" context:nil]; #elif DORIC_USE_SDWEBIMAGE [(DoricImageView *) self.view removeObserver:self forKeyPath:@"currentFrameIndex" context:nil]; #endif self.animationEndCallbackId = nil; } } - (BOOL)needReload { if (self.view.doricLayout.widthSpec == DoricLayoutFit || self.view.doricLayout.heightSpec == DoricLayoutFit) { CGSize size = [self.view sizeThatFits:self.view.bounds.size]; if (!CGSizeEqualToSize(size, self.view.bounds.size)) { return YES; } } return NO; } - (NSDictionary *)getImageInfo { CGImageRef imageRef = [self.view.image CGImage]; return @{ @"width": @(CGImageGetWidth(imageRef)), @"height": @(CGImageGetHeight(imageRef)), }; } - (NSData *)getImagePixels { CGImageRef imageRef = [self.view.image CGImage]; CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB(); size_t width = CGImageGetWidth(imageRef); size_t height = CGImageGetHeight(imageRef); size_t bytesPerPixel = 4; size_t bytesPerRow = bytesPerPixel * width; unsigned char *imageData = malloc(width * height * bytesPerPixel); CGContextRef contextRef = CGBitmapContextCreate( imageData, width, height, 8, bytesPerRow, colorSpace, kCGImageAlphaPremultipliedLast); CGContextDrawImage(contextRef, CGRectMake(0, 0, width, height), imageRef); CGColorSpaceRelease(colorSpace); CGContextRelease(contextRef); return [[NSData alloc] initWithBytesNoCopy:imageData length:width * height * bytesPerPixel]; } - (void)dealloc { if (self.animationEndCallbackId) { #if DORIC_USE_YYWEBIMAGE [(DoricImageView *) self.view removeObserver:self forKeyPath:@"currentIsPlayingAnimation" context:nil]; #elif DORIC_USE_SDWEBIMAGE [(DoricImageView *) self.view removeObserver:self forKeyPath:@"currentFrameIndex" context:nil]; #endif } } @end