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Doric/doric-iOS/Pod/Classes/Shader/DoricImageNode.m
2022-03-18 20:02:52 +08:00

805 lines
33 KiB
Objective-C

/*
* 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 <JavaScriptCore/JavaScriptCore.h>
#import <JSValue+Doric.h>
#import <DoricPromise.h>
#if DORIC_USE_YYWEBIMAGE
#import <YYWebImage/YYWebImage.h>
#import <YYWebImage/_YYWebImageSetter.h>
@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 <SDWebImage/SDWebImage.h>
@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, strong) NSDictionary *tileInsetDic;
@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 <NSData *> *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 ([@"tileInset" isEqualToString:name]) {
self.tileInsetDic = (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];
NSData *pixels = imagePixels[@"pixels"];
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
CGContextRef context = CGBitmapContextCreate((void *) pixels.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);
view.image = image;
} else {
[super blendView:view forPropName:name propValue:prop];
}
}
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary<NSKeyValueChangeKey, id> *)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;
} else if (self.tileInsetDic != nil) {
CGFloat left = [self.tileInsetDic[@"left"] floatValue];
CGFloat top = [self.tileInsetDic[@"top"] floatValue];
CGFloat right = [self.tileInsetDic[@"right"] floatValue];
CGFloat bottom = [self.tileInsetDic[@"bottom"] floatValue];
CGFloat scale = self.imageScale;
UIImage *result = [self.view.image resizableImageWithCapInsets:UIEdgeInsetsMake(top / scale, left / scale, bottom / scale, right / scale) resizingMode:UIImageResizingModeTile];
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 {
if (!self.view.image) {
return nil;
}
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 freeWhenDone:YES];
}
- (void)setImagePixels:(NSDictionary *)imagePixels withPromise:(DoricPromise *)promise {
NSUInteger width = [imagePixels[@"width"] unsignedIntValue];
NSUInteger height = [imagePixels[@"height"] unsignedIntValue];
NSData *pixels = imagePixels[@"pixels"];
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
CGContextRef context = CGBitmapContextCreate((void *) pixels.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;
[promise resolve:nil];
}
- (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