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iOS: image render optimize

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UIGraphicsBeginImageContextWithOptions replaced with UIGraphicsImageRenderer above iOS 10
This commit is contained in:
王劲鹏 2021-09-02 18:46:11 +08:00 committed by osborn
parent 627c107976
commit 7a0a2c6621
3 changed files with 106 additions and 40 deletions
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28
doric-iOS/Pod/Classes/Shader/DoricImageNode.m
View File

@ -147,6 +147,19 @@ - (UIImage *)currentPlaceHolderImage {
UIColor *color = DoricColor(self.placeHolderColor); UIColor *color = DoricColor(self.placeHolderColor);
CGRect rect = CGRectMake(0, 0, 1, 1); CGRect rect = CGRectMake(0, 0, 1, 1);
self.view.contentMode = UIViewContentModeScaleToFill; 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); UIGraphicsBeginImageContextWithOptions(rect.size, NO, [UIScreen mainScreen].scale);
CGContextRef context = UIGraphicsGetCurrentContext(); CGContextRef context = UIGraphicsGetCurrentContext();
@ -157,6 +170,7 @@ - (UIImage *)currentPlaceHolderImage {
UIGraphicsEndImageContext(); UIGraphicsEndImageContext();
return image; return image;
} }
}
return self.doricContext.driver.registry.defaultPlaceHolderImage; return self.doricContext.driver.registry.defaultPlaceHolderImage;
} }
@ -189,6 +203,19 @@ - (UIImage *)currentErrorImage {
UIColor *color = DoricColor(self.errorColor); UIColor *color = DoricColor(self.errorColor);
CGRect rect = CGRectMake(0, 0, 1, 1); CGRect rect = CGRectMake(0, 0, 1, 1);
self.view.contentMode = UIViewContentModeScaleToFill; 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); UIGraphicsBeginImageContextWithOptions(rect.size, NO, [UIScreen mainScreen].scale);
CGContextRef context = UIGraphicsGetCurrentContext(); CGContextRef context = UIGraphicsGetCurrentContext();
@ -199,6 +226,7 @@ - (UIImage *)currentErrorImage {
UIGraphicsEndImageContext(); UIGraphicsEndImageContext();
return image; return image;
} }
}
return self.doricContext.driver.registry.defaultErrorImage; return self.doricContext.driver.registry.defaultErrorImage;
} }

19
doric-iOS/Pod/Classes/Shader/DoricTextNode.m
View File

@ -286,6 +286,24 @@ - (UIImage *)gradientImageFromColors:(NSArray *)colors
startPoint:(CGPoint)startPoint startPoint:(CGPoint)startPoint
endPoint:(CGPoint)endPoint endPoint:(CGPoint)endPoint
imgSize:(CGSize)imgSize { imgSize:(CGSize)imgSize {
if (@available(iOS 10.0, *)) {
UIGraphicsImageRendererFormat *format = [[UIGraphicsImageRendererFormat alloc] init];
format.scale = [UIScreen mainScreen].scale;
UIGraphicsImageRenderer *render = [[UIGraphicsImageRenderer alloc]initWithSize:imgSize format:format];
UIImage *image = [render imageWithActions:^(UIGraphicsImageRendererContext * _Nonnull rendererContext) {
CGContextRef context = rendererContext.CGContext;
CGContextSaveGState(context);
CGColorSpaceRef colorSpace = CGColorGetColorSpace((__bridge CGColorRef) colors.lastObject);
CGGradientRef gradient = CGGradientCreateWithColors(colorSpace, (__bridge CFArrayRef) colors, locations);
CGPoint start = (CGPoint) {startPoint.x * imgSize.width, startPoint.y * imgSize.height};
CGPoint end = (CGPoint) {endPoint.x * imgSize.width, endPoint.y * imgSize.height};
CGContextDrawLinearGradient(context, gradient, start, end, kCGGradientDrawsBeforeStartLocation | kCGGradientDrawsAfterEndLocation);
CGGradientRelease(gradient);
CGContextRestoreGState(context);
}];
return image;
} else {
UIGraphicsBeginImageContextWithOptions(imgSize, NO, [UIScreen mainScreen].scale); UIGraphicsBeginImageContextWithOptions(imgSize, NO, [UIScreen mainScreen].scale);
CGContextRef context = UIGraphicsGetCurrentContext(); CGContextRef context = UIGraphicsGetCurrentContext();
CGContextSaveGState(context); CGContextSaveGState(context);
@ -299,5 +317,6 @@ - (UIImage *)gradientImageFromColors:(NSArray *)colors
CGContextRestoreGState(context); CGContextRestoreGState(context);
UIGraphicsEndImageContext(); UIGraphicsEndImageContext();
return image; return image;
}
} }
@end @end

19
doric-iOS/Pod/Classes/Shader/DoricViewNode.m
View File

@ -340,6 +340,24 @@ - (UIImage *)gradientImageFromColors:(NSArray *)colors
startPoint:(CGPoint)startPoint startPoint:(CGPoint)startPoint
endPoint:(CGPoint)endPoint endPoint:(CGPoint)endPoint
imgSize:(CGSize)imgSize { imgSize:(CGSize)imgSize {
if (@available(iOS 10.0, *)) {
UIGraphicsImageRendererFormat *format = [[UIGraphicsImageRendererFormat alloc] init];
format.scale = [UIScreen mainScreen].scale;
UIGraphicsImageRenderer *render = [[UIGraphicsImageRenderer alloc]initWithSize:imgSize format:format];
UIImage *image = [render imageWithActions:^(UIGraphicsImageRendererContext * _Nonnull rendererContext) {
CGContextRef context = rendererContext.CGContext;
CGContextSaveGState(context);
CGColorSpaceRef colorSpace = CGColorGetColorSpace((__bridge CGColorRef) colors.lastObject);
CGGradientRef gradient = CGGradientCreateWithColors(colorSpace, (__bridge CFArrayRef) colors, locations);
CGPoint start = (CGPoint) {startPoint.x * imgSize.width, startPoint.y * imgSize.height};
CGPoint end = (CGPoint) {endPoint.x * imgSize.width, endPoint.y * imgSize.height};
CGContextDrawLinearGradient(context, gradient, start, end, kCGGradientDrawsBeforeStartLocation | kCGGradientDrawsAfterEndLocation);
CGGradientRelease(gradient);
CGContextRestoreGState(context);
}];
return image;
} else {
UIGraphicsBeginImageContextWithOptions(imgSize, NO, [UIScreen mainScreen].scale); UIGraphicsBeginImageContextWithOptions(imgSize, NO, [UIScreen mainScreen].scale);
CGContextRef context = UIGraphicsGetCurrentContext(); CGContextRef context = UIGraphicsGetCurrentContext();
CGContextSaveGState(context); CGContextSaveGState(context);
@ -353,6 +371,7 @@ - (UIImage *)gradientImageFromColors:(NSArray *)colors
CGContextRestoreGState(context); CGContextRestoreGState(context);
UIGraphicsEndImageContext(); UIGraphicsEndImageContext();
return image; return image;
}
} }
- (void)requestLayout { - (void)requestLayout {