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Replace the SDGraphicsBeginImageContextWithOptions with SDGraphicsImageRenderer

This commit is contained in:
DreamPiggy 2019-12-15 16:58:20 +08:00
parent ee0aa220e0
commit 8fa6c7519c
1 changed files with 49 additions and 47 deletions
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96
SDWebImage/Core/UIImage+Transform.m
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@ -9,6 +9,7 @@
#import "UIImage+Transform.h"
#import "NSImage+Compatibility.h"
#import "SDImageGraphics.h"
#import "SDGraphicsImageRenderer.h"
#import "NSBezierPath+RoundedCorners.h"
#import <Accelerate/Accelerate.h>
#if SD_UIKIT || SD_MAC
@ -165,11 +166,10 @@ static inline UIColor * SDGetColorFromPixel(Pixel_8888 pixel, CGBitmapInfo bitma
@implementation UIImage (Transform)
- (void)sd_drawInRect:(CGRect)rect withScaleMode:(SDImageScaleMode)scaleMode clipsToBounds:(BOOL)clips {
- (void)sd_drawInRect:(CGRect)rect context:(CGContextRef)context scaleMode:(SDImageScaleMode)scaleMode clipsToBounds:(BOOL)clips {
CGRect drawRect = SDCGRectFitWithScaleMode(rect, self.size, scaleMode);
if (drawRect.size.width == 0 || drawRect.size.height == 0) return;
if (clips) {
CGContextRef context = SDGraphicsGetCurrentContext();
if (context) {
CGContextSaveGState(context);
CGContextAddRect(context, rect);
@ -184,10 +184,12 @@ static inline UIColor * SDGetColorFromPixel(Pixel_8888 pixel, CGBitmapInfo bitma
- (nullable UIImage *)sd_resizedImageWithSize:(CGSize)size scaleMode:(SDImageScaleMode)scaleMode {
if (size.width <= 0 || size.height <= 0) return nil;
SDGraphicsBeginImageContextWithOptions(size, NO, self.scale);
[self sd_drawInRect:CGRectMake(0, 0, size.width, size.height) withScaleMode:scaleMode clipsToBounds:NO];
UIImage *image = SDGraphicsGetImageFromCurrentImageContext();
SDGraphicsEndImageContext();
SDGraphicsImageRendererFormat *format = [[SDGraphicsImageRendererFormat alloc] init];
format.scale = self.scale;
SDGraphicsImageRenderer *renderer = [[SDGraphicsImageRenderer alloc] initWithSize:size format:format];
UIImage *image = [renderer imageWithActions:^(CGContextRef _Nonnull context) {
[self sd_drawInRect:CGRectMake(0, 0, size.width, size.height) context:context scaleMode:scaleMode clipsToBounds:NO];
}];
return image;
}
@ -213,43 +215,43 @@ static inline UIColor * SDGetColorFromPixel(Pixel_8888 pixel, CGBitmapInfo bitma
- (nullable UIImage *)sd_roundedCornerImageWithRadius:(CGFloat)cornerRadius corners:(SDRectCorner)corners borderWidth:(CGFloat)borderWidth borderColor:(nullable UIColor *)borderColor {
if (!self.CGImage) return nil;
SDGraphicsBeginImageContextWithOptions(self.size, NO, self.scale);
CGContextRef context = SDGraphicsGetCurrentContext();
CGRect rect = CGRectMake(0, 0, self.size.width, self.size.height);
CGFloat minSize = MIN(self.size.width, self.size.height);
if (borderWidth < minSize / 2) {
#if SD_UIKIT || SD_WATCH
UIBezierPath *path = [UIBezierPath bezierPathWithRoundedRect:CGRectInset(rect, borderWidth, borderWidth) byRoundingCorners:corners cornerRadii:CGSizeMake(cornerRadius, cornerRadius)];
#else
NSBezierPath *path = [NSBezierPath sd_bezierPathWithRoundedRect:CGRectInset(rect, borderWidth, borderWidth) byRoundingCorners:corners cornerRadius:cornerRadius];
#endif
[path closePath];
SDGraphicsImageRendererFormat *format = [[SDGraphicsImageRendererFormat alloc] init];
format.scale = self.scale;
SDGraphicsImageRenderer *renderer = [[SDGraphicsImageRenderer alloc] initWithSize:self.size format:format];
UIImage *image = [renderer imageWithActions:^(CGContextRef _Nonnull context) {
CGRect rect = CGRectMake(0, 0, self.size.width, self.size.height);
CGContextSaveGState(context);
[path addClip];
[self drawInRect:rect];
CGContextRestoreGState(context);
}
if (borderColor && borderWidth < minSize / 2 && borderWidth > 0) {
CGFloat strokeInset = (floor(borderWidth * self.scale) + 0.5) / self.scale;
CGRect strokeRect = CGRectInset(rect, strokeInset, strokeInset);
CGFloat strokeRadius = cornerRadius > self.scale / 2 ? cornerRadius - self.scale / 2 : 0;
CGFloat minSize = MIN(self.size.width, self.size.height);
if (borderWidth < minSize / 2) {
#if SD_UIKIT || SD_WATCH
UIBezierPath *path = [UIBezierPath bezierPathWithRoundedRect:strokeRect byRoundingCorners:corners cornerRadii:CGSizeMake(strokeRadius, strokeRadius)];
UIBezierPath *path = [UIBezierPath bezierPathWithRoundedRect:CGRectInset(rect, borderWidth, borderWidth) byRoundingCorners:corners cornerRadii:CGSizeMake(cornerRadius, cornerRadius)];
#else
NSBezierPath *path = [NSBezierPath sd_bezierPathWithRoundedRect:strokeRect byRoundingCorners:corners cornerRadius:strokeRadius];
NSBezierPath *path = [NSBezierPath sd_bezierPathWithRoundedRect:CGRectInset(rect, borderWidth, borderWidth) byRoundingCorners:corners cornerRadius:cornerRadius];
#endif
[path closePath];
[path closePath];
CGContextSaveGState(context);
[path addClip];
[self drawInRect:rect];
CGContextRestoreGState(context);
}
path.lineWidth = borderWidth;
[borderColor setStroke];
[path stroke];
}
UIImage *image = SDGraphicsGetImageFromCurrentImageContext();
SDGraphicsEndImageContext();
if (borderColor && borderWidth < minSize / 2 && borderWidth > 0) {
CGFloat strokeInset = (floor(borderWidth * self.scale) + 0.5) / self.scale;
CGRect strokeRect = CGRectInset(rect, strokeInset, strokeInset);
CGFloat strokeRadius = cornerRadius > self.scale / 2 ? cornerRadius - self.scale / 2 : 0;
#if SD_UIKIT || SD_WATCH
UIBezierPath *path = [UIBezierPath bezierPathWithRoundedRect:strokeRect byRoundingCorners:corners cornerRadii:CGSizeMake(strokeRadius, strokeRadius)];
#else
NSBezierPath *path = [NSBezierPath sd_bezierPathWithRoundedRect:strokeRect byRoundingCorners:corners cornerRadius:strokeRadius];
#endif
[path closePath];
path.lineWidth = borderWidth;
[borderColor setStroke];
[path stroke];
}
}];
return image;
}
@ -347,15 +349,15 @@ static inline UIColor * SDGetColorFromPixel(Pixel_8888 pixel, CGBitmapInfo bitma
// blend mode, see https://en.wikipedia.org/wiki/Alpha_compositing
CGBlendMode blendMode = kCGBlendModeSourceAtop;
SDGraphicsBeginImageContextWithOptions(size, NO, scale);
CGContextRef context = SDGraphicsGetCurrentContext();
[self drawInRect:rect];
CGContextSetBlendMode(context, blendMode);
CGContextSetFillColorWithColor(context, tintColor.CGColor);
CGContextFillRect(context, rect);
UIImage *image = SDGraphicsGetImageFromCurrentImageContext();
SDGraphicsEndImageContext();
SDGraphicsImageRendererFormat *format = [[SDGraphicsImageRendererFormat alloc] init];
format.scale = scale;
SDGraphicsImageRenderer *renderer = [[SDGraphicsImageRenderer alloc] initWithSize:size format:format];
UIImage *image = [renderer imageWithActions:^(CGContextRef _Nonnull context) {
[self drawInRect:rect];
CGContextSetBlendMode(context, blendMode);
CGContextSetFillColorWithColor(context, tintColor.CGColor);
CGContextFillRect(context, rect);
}];
return image;
}