chore: Initial clean commit
- Removed YuMi/Library/ (138 MB, not tracked) - Removed YuMi/Resources/ (23 MB, not tracked) - Removed old version assets (566 files, not tracked) - Excluded Pods/, xcuserdata/ and other build artifacts - Clean repository optimized for company server deployment
This commit is contained in:
edwinQQQ
65
YuMi/CustomUI/UIImage/UIImage+Utils.h
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65
YuMi/CustomUI/UIImage/UIImage+Utils.h
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//
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// UIImage+Utils.h
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// YYMobileFramework
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//
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// Created by wuwei on 14/6/20.
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// Copyright (c) 2014年 YY Inc. All rights reserved.
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//
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#import <UIKit/UIKit.h>
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typedef NS_ENUM(NSUInteger, GradientType) {
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GradientTypeTopToBottom = 0,//从上到小
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GradientTypeLeftToRight = 1,//从左到右
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GradientTypeUpleftToLowright = 2,//左上到右下
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GradientTypeUprightToLowleft = 3,//右上到左下
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};
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|
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@interface UIImage (Utils)
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- (UIImage *)grayscaleImage;
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- (UIImage *)imageBlendInGray;
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- (UIImage *)imageWithBlendMode:(CGBlendMode)blendMode;
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+ (UIImage *)imageWithColor:(UIColor *)color;
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+ (UIImage *)imageWithColor:(UIColor *)color size:(CGSize)size;
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+ (UIImage *)fixOrientation:(UIImage *)aImage;
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- (UIImage *)imageWithColor:(UIColor *)color;
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|
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- (UIImage *)setCornerWithRadius:(CGFloat)radius andSize:(CGSize)size;
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//异步生成纯色圆角图片
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||||
- (void)imageWithSize:(CGSize)size radius:(CGFloat)radius backColor:(UIColor *)backColor completion:(void(^)(UIImage *image))completion;
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/**
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返回指定大小，颜色，渐变模式的渐变色图片
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*/
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+ (UIImage *)gradientColorImageFromColors:(NSArray<UIColor *>*)colors gradientType:(GradientType)gradientType imgSize:(CGSize)imgSize;
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+ (UIImage *)waterImageWithImage:(UIImage *)image waterImage:(UIImage *)waterImage waterImageRect:(CGRect)rect;
|
||||
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+ (CGSize)sizeWithImageOriginSize:(CGSize)originSize
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minSize:(CGSize)imageMinSize
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maxSize:(CGSize)imageMaxSize;
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|
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///裁剪图片
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- (UIImage *)cutImage:(CGSize)newSize;
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- (UIImage *)cropRightAndBottomPixels:(NSUInteger)pixels;
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|
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-(UIImage *)compressWithMaxLength:(NSUInteger)maxLength;
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- (UIImage *)roundedImageWithCornerRadius:(CGFloat)cornerRadius size:(CGSize)size;
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+(UIImage *)getImageFromView:(UIView *)view;
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+ (NSString *)getImageTypeWithImageData: (NSData *)data;
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+(UIImage *)getLanguageImage:(NSString *)image;
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+(NSString *)getLanguageText:(NSString *)image;
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- (UIImage *)resizeTo:(CGSize)size;
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- (UIImage *)imageByApplyingAlpha:(CGFloat)alpha;
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@end
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592
YuMi/CustomUI/UIImage/UIImage+Utils.m
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592
YuMi/CustomUI/UIImage/UIImage+Utils.m
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@@ -0,0 +1,592 @@
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//
|
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// UIImage+Utils.m
|
||||
// YYMobileFramework
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||||
//
|
||||
// Created by wuwei on 14/6/20.
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||||
// Copyright (c) 2014年 YY Inc. All rights reserved.
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//
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||||
|
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#import "UIImage+Utils.h"
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#import <ImageIO/ImageIO.h>
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@implementation UIImage (Utils)
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- (UIImage *)grayscaleImage
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{
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CGFloat width = self.size.width;
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CGFloat height = self.size.height;
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CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceGray();
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CGContextRef context = CGBitmapContextCreate(nil,
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width,
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height,
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8,
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0,
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colorSpace,
|
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kCGImageAlphaNone);
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||||
// kCGBitmapByteOrder32Little | kCGImageAlphaPremultipliedLast);
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||||
|
||||
|
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if (context == NULL) {
|
||||
return nil;
|
||||
}
|
||||
|
||||
CGContextDrawImage(context, CGRectMake(0, 0, width, height), self.CGImage);
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CGImageRef imageRef = CGBitmapContextCreateImage(context);
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UIImage *grayscaleImage = [UIImage imageWithCGImage:imageRef];
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||||
CGImageRelease(imageRef);
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||||
CGContextRelease(context);
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||||
CGColorSpaceRelease(colorSpace);
|
||||
|
||||
return grayscaleImage;
|
||||
}
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||||
|
||||
|
||||
- (UIImage *)imageBlendInGray {
|
||||
|
||||
UIGraphicsBeginImageContext(self.size);
|
||||
CGRect bounds = CGRectMake(0, 0, self.size.width, self.size.height);
|
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CGContextRef context = UIGraphicsGetCurrentContext();
|
||||
CGContextFillRect(context, bounds);
|
||||
[self drawInRect:bounds blendMode:kCGBlendModeLuminosity alpha:1.0f];
|
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[self drawInRect:bounds blendMode:kCGBlendModeDestinationIn alpha:1.0f];
|
||||
UIImage *newImg = UIGraphicsGetImageFromCurrentImageContext();
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||||
UIGraphicsEndImageContext();
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||||
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return newImg;
|
||||
}
|
||||
|
||||
|
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|
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- (UIImage *)imageWithBlendMode:(CGBlendMode)blendMode {
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|
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UIGraphicsBeginImageContextWithOptions(self.size, NO, 0.0f);
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CGRect bounds = CGRectMake(0, 0, self.size.width, self.size.height);
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UIRectFill(bounds);
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[self drawInRect:bounds blendMode:blendMode alpha:1.0f];
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|
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if (blendMode != kCGBlendModeDestinationIn) {
|
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[self drawInRect:bounds blendMode:kCGBlendModeDestinationIn alpha:1.0f];
|
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}
|
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UIImage *newImg = UIGraphicsGetImageFromCurrentImageContext();
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UIGraphicsEndImageContext();
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||||
return newImg;
|
||||
}
|
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|
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+ (UIImage *)imageWithColor:(UIColor *)color
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{
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return [self imageWithColor:color size:CGSizeMake(1, 1)];
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}
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+ (UIImage *)imageWithColor:(UIColor *)color size:(CGSize)size {
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if (!color || size.width <= 0 || size.height <= 0) return nil;
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CGRect rect = CGRectMake(0.0f, 0.0f, size.width + 1, size.height);
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UIGraphicsBeginImageContextWithOptions(rect.size, NO, 0);
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CGContextRef context = UIGraphicsGetCurrentContext();
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CGContextSetFillColorWithColor(context, color.CGColor);
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CGContextFillRect(context, rect);
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UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
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UIGraphicsEndImageContext();
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return image;
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}
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+ (UIImage *)fixOrientation:(UIImage *)aImage {
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|
||||
// No-op if the orientation is already correct
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if (aImage.imageOrientation == UIImageOrientationUp)
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return aImage;
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// We need to calculate the proper transformation to make the image upright.
|
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// We do it in 2 steps: Rotate if Left/Right/Down, and then flip if Mirrored.
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||||
CGAffineTransform transform = CGAffineTransformIdentity;
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switch (aImage.imageOrientation) {
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case UIImageOrientationDown:
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case UIImageOrientationDownMirrored:
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transform = CGAffineTransformTranslate(transform, aImage.size.width, aImage.size.height);
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transform = CGAffineTransformRotate(transform, M_PI);
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break;
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case UIImageOrientationLeft:
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case UIImageOrientationLeftMirrored:
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transform = CGAffineTransformTranslate(transform, aImage.size.width, 0);
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transform = CGAffineTransformRotate(transform, M_PI_2);
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break;
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||||
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case UIImageOrientationRight:
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case UIImageOrientationRightMirrored:
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transform = CGAffineTransformTranslate(transform, 0, aImage.size.height);
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transform = CGAffineTransformRotate(transform, -M_PI_2);
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break;
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default:
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break;
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}
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switch (aImage.imageOrientation) {
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case UIImageOrientationUpMirrored:
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case UIImageOrientationDownMirrored:
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transform = CGAffineTransformTranslate(transform, aImage.size.width, 0);
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transform = CGAffineTransformScale(transform, -1, 1);
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break;
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case UIImageOrientationLeftMirrored:
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case UIImageOrientationRightMirrored:
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transform = CGAffineTransformTranslate(transform, aImage.size.height, 0);
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transform = CGAffineTransformScale(transform, -1, 1);
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break;
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default:
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break;
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}
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// Now we draw the underlying CGImage into a new context, applying the transform
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// calculated above.
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CGContextRef ctx = CGBitmapContextCreate(NULL, aImage.size.width, aImage.size.height,
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CGImageGetBitsPerComponent(aImage.CGImage), 0,
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CGImageGetColorSpace(aImage.CGImage),
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CGImageGetBitmapInfo(aImage.CGImage));
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CGContextConcatCTM(ctx, transform);
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switch (aImage.imageOrientation) {
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case UIImageOrientationLeft:
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case UIImageOrientationLeftMirrored:
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case UIImageOrientationRight:
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case UIImageOrientationRightMirrored:
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// Grr...
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CGContextDrawImage(ctx, CGRectMake(0,0,aImage.size.height,aImage.size.width), aImage.CGImage);
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break;
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default:
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CGContextDrawImage(ctx, CGRectMake(0,0,aImage.size.width,aImage.size.height), aImage.CGImage);
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break;
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}
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// And now we just create a new UIImage from the drawing context
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CGImageRef cgimg = CGBitmapContextCreateImage(ctx);
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UIImage *img = [UIImage imageWithCGImage:cgimg];
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CGContextRelease(ctx);
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CGImageRelease(cgimg);
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return img;
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}
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- (UIImage *)imageWithColor:(UIColor *)color {
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CGRect rect = CGRectMake(0.0f, 0.0f, 1.0f, 1.0f);
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UIGraphicsBeginImageContext(rect.size);
|
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CGContextRef context = UIGraphicsGetCurrentContext();
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CGContextSetFillColorWithColor(context, [color CGColor]);
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CGContextFillRect(context, rect);
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|
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UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
|
||||
UIGraphicsEndImageContext();
|
||||
|
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return image;
|
||||
|
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}
|
||||
|
||||
//异步生成纯色圆角图片
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||||
- (void)imageWithSize:(CGSize)size radius:(CGFloat)radius backColor:(UIColor *)backColor completion:(void(^)(UIImage *image))completion {
|
||||
// 异步绘制裁切
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dispatch_async(dispatch_get_global_queue(0, 0), ^{
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||||
// 利用绘图建立上下文
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UIGraphicsBeginImageContextWithOptions(size, true, 0);
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CGRect rect = CGRectMake(0, 0, size.width, size.height);
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// 填充颜色
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[backColor setFill];
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UIRectFill(rect);
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// // 贝塞尔裁切
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// UIBezierPath *path = [UIBezierPath bezierPathWithRoundedRect:rect cornerRadius:radius];
|
||||
// [path addClip];
|
||||
// [self drawInRect:rect];
|
||||
|
||||
// 获取结果
|
||||
UIImage *resultImage = [UIGraphicsGetImageFromCurrentImageContext() circularImage];
|
||||
// 关闭上下文
|
||||
UIGraphicsEndImageContext();
|
||||
// 主队列回调
|
||||
dispatch_async(dispatch_get_main_queue(), ^{
|
||||
completion(resultImage);
|
||||
});
|
||||
});
|
||||
|
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}
|
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- (UIImage *)circularImage {
|
||||
// 1. 开启图形上下文
|
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UIGraphicsBeginImageContextWithOptions(self.size, NO, 0);
|
||||
|
||||
// 2. 描述路径
|
||||
|
||||
UIBezierPath *path = [UIBezierPath bezierPathWithRoundedRect:CGRectMake(0, 0, self.size.width, self.size.height) byRoundingCorners:UIRectCornerTopLeft|UIRectCornerTopRight | UIRectCornerBottomLeft | UIRectCornerBottomRight cornerRadii:CGSizeMake(self.size.width, self.size.height)];
|
||||
// UIBezierPath *path = [UIBezierPath bezierPathWithOvalInRect:CGRectMake(0, 0, self.size.width, self.size.height)];
|
||||
|
||||
// 3. 添加裁减区域
|
||||
[path addClip];
|
||||
|
||||
// 4. 绘制图片
|
||||
[self drawAtPoint:CGPointZero];
|
||||
|
||||
// 5. 从上下文获取图片
|
||||
UIImage * image = UIGraphicsGetImageFromCurrentImageContext();
|
||||
|
||||
// 6. 关闭上下文
|
||||
UIGraphicsEndImageContext();
|
||||
|
||||
// 7. 设置图片
|
||||
return image;
|
||||
}
|
||||
|
||||
+ (UIImage *)gradientColorImageFromColors:(NSArray<UIColor *> *)colors gradientType:(GradientType)gradientType imgSize:(CGSize)imgSize{
|
||||
|
||||
NSMutableArray *ar = [NSMutableArray array];
|
||||
for(UIColor *c in colors) {
|
||||
[ar addObject:(id)c.CGColor];
|
||||
}
|
||||
UIGraphicsBeginImageContextWithOptions(imgSize, YES, 1);
|
||||
CGContextRef context = UIGraphicsGetCurrentContext();
|
||||
CGContextSaveGState(context);
|
||||
CGColorSpaceRef colorSpace = CGColorGetColorSpace([[colors lastObject] CGColor]);
|
||||
CGGradientRef gradient = CGGradientCreateWithColors(colorSpace, (CFArrayRef)ar, NULL);
|
||||
CGPoint start;
|
||||
CGPoint end;
|
||||
switch (gradientType) {
|
||||
case GradientTypeTopToBottom:
|
||||
start = CGPointMake(0.0, 0.0);
|
||||
end = CGPointMake(0.0, imgSize.height);
|
||||
break;
|
||||
case GradientTypeLeftToRight:
|
||||
start = CGPointMake(0.0, 0.0);
|
||||
end = CGPointMake(imgSize.width, 0.0);
|
||||
break;
|
||||
case GradientTypeUpleftToLowright:
|
||||
start = CGPointMake(0.0, 0.0);
|
||||
end = CGPointMake(imgSize.width, imgSize.height);
|
||||
break;
|
||||
case GradientTypeUprightToLowleft:
|
||||
start = CGPointMake(imgSize.width, 0.0);
|
||||
end = CGPointMake(0.0, imgSize.height);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
CGContextDrawLinearGradient(context, gradient, start, end, kCGGradientDrawsBeforeStartLocation | kCGGradientDrawsAfterEndLocation);
|
||||
UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
|
||||
CGGradientRelease(gradient);
|
||||
CGContextRestoreGState(context);
|
||||
CGColorSpaceRelease(colorSpace);
|
||||
UIGraphicsEndImageContext();
|
||||
|
||||
return image;
|
||||
}
|
||||
|
||||
- (UIImage *)setCornerWithRadius:(CGFloat)radius andSize:(CGSize)size {
|
||||
//开启图形上下文
|
||||
UIGraphicsBeginImageContext(size);
|
||||
//绘制圆角矩形
|
||||
CGRect rect = CGRectMake(0, 0, size.width, size.height);
|
||||
UIBezierPath *path = [UIBezierPath bezierPathWithRoundedRect:rect byRoundingCorners:UIRectCornerAllCorners cornerRadii:CGSizeMake(radius, radius)];
|
||||
//将Path添加到上下文中
|
||||
CGContextAddPath(UIGraphicsGetCurrentContext(), path.CGPath);
|
||||
//裁剪上下文
|
||||
CGContextClip(UIGraphicsGetCurrentContext());
|
||||
//将图片绘制到上下文中
|
||||
[self drawInRect:rect];
|
||||
//设置绘制模式
|
||||
CGContextDrawPath(UIGraphicsGetCurrentContext(), kCGPathStroke);
|
||||
//获取图片
|
||||
UIImage *output = UIGraphicsGetImageFromCurrentImageContext();
|
||||
//关闭上下文
|
||||
UIGraphicsEndImageContext();
|
||||
//返回裁剪好的图片
|
||||
return output;
|
||||
}
|
||||
|
||||
// 给图片添加图片水印
|
||||
+ (UIImage *)waterImageWithImage:(UIImage *)image waterImage:(UIImage *)waterImage waterImageRect:(CGRect)rect
|
||||
{
|
||||
//1.获取图片
|
||||
//2.开启上下文
|
||||
UIGraphicsBeginImageContextWithOptions(image.size, NO, 0);
|
||||
//3.绘制背景图片
|
||||
[image drawInRect:CGRectMake(0, 0, image.size.width, image.size.height)];
|
||||
//绘制水印图片到当前上下文
|
||||
[waterImage drawInRect:rect];
|
||||
//4.从上下文中获取新图片
|
||||
UIImage * newImage = UIGraphicsGetImageFromCurrentImageContext();
|
||||
//5.关闭图形上下文
|
||||
UIGraphicsEndImageContext();
|
||||
//返回图片
|
||||
return newImage;
|
||||
}
|
||||
|
||||
+ (CGSize)sizeWithImageOriginSize:(CGSize)originSize
|
||||
minSize:(CGSize)imageMinSize
|
||||
maxSize:(CGSize)imageMaxSiz {
|
||||
CGSize size;
|
||||
NSInteger imageWidth = originSize.width ,imageHeight = originSize.height;
|
||||
NSInteger imageMinWidth = imageMinSize.width, imageMinHeight = imageMinSize.height;
|
||||
NSInteger imageMaxWidth = imageMaxSiz.width, imageMaxHeight = imageMaxSiz.height;
|
||||
if (imageWidth > imageHeight) //宽图
|
||||
{
|
||||
size.height = imageMinHeight; //高度取最小高度
|
||||
size.width = imageWidth * imageMinHeight / imageHeight;
|
||||
if (size.width > imageMaxWidth)
|
||||
{
|
||||
size.width = imageMaxWidth;
|
||||
}
|
||||
}
|
||||
else if(imageWidth < imageHeight)//高图
|
||||
{
|
||||
size.width = imageMinWidth;
|
||||
size.height = imageHeight *imageMinWidth / imageWidth;
|
||||
if (size.height > imageMaxHeight){
|
||||
size.height = imageMaxHeight;
|
||||
}
|
||||
}
|
||||
else//方图
|
||||
{
|
||||
if (imageWidth > imageMaxWidth){
|
||||
size.width = imageMaxWidth;
|
||||
size.height = imageMaxHeight;
|
||||
}else if(imageWidth > imageMinWidth){
|
||||
size.width = imageWidth;
|
||||
size.height = imageHeight;
|
||||
}else{
|
||||
size.width = imageMinWidth;
|
||||
size.height = imageMinHeight;
|
||||
}
|
||||
}
|
||||
return size;
|
||||
}
|
||||
|
||||
- (UIImage *)cutImage:(CGSize)newSize{
|
||||
|
||||
CGFloat scale = newSize.height / self.size.height;
|
||||
UIImage *scaleImage = [self originImage:self scaleToSize:CGSizeMake(self.size.width*scale, self.size.height*scale)];
|
||||
//裁剪暂时有问题
|
||||
return scaleImage;
|
||||
}
|
||||
|
||||
- (UIImage *)resizeTo:(CGSize)size {
|
||||
UIGraphicsImageRenderer *renderer = [[UIGraphicsImageRenderer alloc] initWithSize:size];
|
||||
return [renderer imageWithActions:^(UIGraphicsImageRendererContext * _Nonnull context) {
|
||||
[self drawInRect:CGRectMake(0, 0, size.width, size.height)];
|
||||
}];
|
||||
}
|
||||
|
||||
- (UIImage *)cropRightAndBottomPixels:(NSUInteger)pixels {
|
||||
// 获取原图像的大小
|
||||
CGSize originalSize = self.size;
|
||||
|
||||
// 计算新的裁剪后的图像大小
|
||||
CGSize newSize = CGSizeMake(originalSize.width - pixels, originalSize.height - pixels);
|
||||
|
||||
// 开始图像上下文
|
||||
UIGraphicsBeginImageContextWithOptions(newSize, NO, self.scale);
|
||||
|
||||
// 绘制裁剪后的图像到上下文
|
||||
[self drawAtPoint:CGPointZero];
|
||||
|
||||
// 获取裁剪后的图像
|
||||
UIImage *croppedImage = UIGraphicsGetImageFromCurrentImageContext();
|
||||
|
||||
// 结束图像上下文
|
||||
UIGraphicsEndImageContext();
|
||||
|
||||
return croppedImage;
|
||||
}
|
||||
|
||||
- (UIImage*) originImage:(UIImage *)image scaleToSize:(CGSize)size {
|
||||
|
||||
UIGraphicsBeginImageContextWithOptions(size, NO, [UIScreen mainScreen].scale);
|
||||
|
||||
[image drawInRect:CGRectMake(0, 0, size.width, size.height)];
|
||||
|
||||
UIImage* scaledImage = UIGraphicsGetImageFromCurrentImageContext();
|
||||
|
||||
UIGraphicsEndImageContext();
|
||||
|
||||
return scaledImage;
|
||||
}
|
||||
|
||||
|
||||
-(UIImage *)compressWithMaxLength:(NSUInteger)maxLength{
|
||||
// Compress by quality
|
||||
CGFloat compression = 1;
|
||||
NSData *data = UIImageJPEGRepresentation(self, compression);
|
||||
if (data.length < maxLength) return self;
|
||||
|
||||
CGFloat max = 1;
|
||||
CGFloat min = 0;
|
||||
for (int i = 0; i < 6; ++i) {
|
||||
compression = (max + min) / 2;
|
||||
data = UIImageJPEGRepresentation(self, compression);
|
||||
//NSLog(@"Compression = %.1f", compression);
|
||||
//NSLog(@"In compressing quality loop, image size = %ld KB", data.length / 1024);
|
||||
if (data.length < maxLength * 0.9) {
|
||||
min = compression;
|
||||
} else if (data.length > maxLength) {
|
||||
max = compression;
|
||||
} else {
|
||||
break;
|
||||
}
|
||||
}
|
||||
//NSLog(@"After compressing quality, image size = %ld KB", data.length / 1024);
|
||||
if (data.length < maxLength) return self;
|
||||
UIImage *resultImage = [UIImage imageWithData:data];
|
||||
// Compress by size
|
||||
NSUInteger lastDataLength = 0;
|
||||
while (data.length > maxLength && data.length != lastDataLength) {
|
||||
lastDataLength = data.length;
|
||||
CGFloat ratio = (CGFloat)maxLength / data.length;
|
||||
//NSLog(@"Ratio = %.1f", ratio);
|
||||
CGSize size = CGSizeMake((NSUInteger)(resultImage.size.width * sqrtf(ratio)),
|
||||
(NSUInteger)(resultImage.size.height * sqrtf(ratio))); // Use NSUInteger to prevent white blank
|
||||
UIGraphicsBeginImageContext(size);
|
||||
[resultImage drawInRect:CGRectMake(0, 0, size.width, size.height)];
|
||||
resultImage = UIGraphicsGetImageFromCurrentImageContext();
|
||||
UIGraphicsEndImageContext();
|
||||
data = UIImageJPEGRepresentation(resultImage, compression);
|
||||
//NSLog(@"In compressing size loop, image size = %ld KB", data.length / 1024);
|
||||
}
|
||||
if (data) {
|
||||
return [UIImage imageWithData:data];;
|
||||
} else {
|
||||
return self;
|
||||
}
|
||||
}
|
||||
- (UIImage *)roundedImageWithCornerRadius:(CGFloat)cornerRadius size:(CGSize)size{
|
||||
UIGraphicsBeginImageContextWithOptions(size, NO, 1);
|
||||
UIBezierPath *clippingPath = [UIBezierPath bezierPathWithRoundedRect:CGRectMake(0, 0, size.width, size.height) cornerRadius:cornerRadius];
|
||||
[clippingPath addClip];
|
||||
[self drawInRect:CGRectMake(0, 0, size.width, size.height)];
|
||||
UIImage *roundedImage = UIGraphicsGetImageFromCurrentImageContext();
|
||||
UIGraphicsEndImageContext();
|
||||
return roundedImage;
|
||||
}
|
||||
+(UIImage *)getImageFromView:(UIView *)view {
|
||||
// 1. 创建一个新的图像上下文，大小与view的bounds相匹配
|
||||
UIGraphicsBeginImageContextWithOptions(view.bounds.size, view.opaque, 0.0);
|
||||
|
||||
// 2. 获取当前图像上下文
|
||||
CGContextRef context = UIGraphicsGetCurrentContext();
|
||||
|
||||
// 3. 将view的层级渲染到上下文中
|
||||
[view.layer renderInContext:context];
|
||||
|
||||
// 4. 从上下文中获取生成的图片
|
||||
UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
|
||||
|
||||
// 5. 结束图像上下文
|
||||
UIGraphicsEndImageContext();
|
||||
|
||||
// 6. 返回生成的图片
|
||||
return image;
|
||||
}
|
||||
+ (NSString *)getImageTypeWithImageData:(NSData *)data {
|
||||
|
||||
uint8_t c;
|
||||
|
||||
[data getBytes:&c length:1];
|
||||
|
||||
switch (c) {
|
||||
|
||||
case 0xFF:
|
||||
|
||||
return @"jpeg";
|
||||
|
||||
case 0x89:
|
||||
|
||||
return @"png";
|
||||
|
||||
case 0x47:
|
||||
|
||||
return @"gif";
|
||||
|
||||
case 0x49:
|
||||
|
||||
case 0x4D:
|
||||
|
||||
return @"tiff";
|
||||
|
||||
case 0x52:
|
||||
|
||||
if ([data length] < 12) {
|
||||
|
||||
return nil;
|
||||
|
||||
}
|
||||
|
||||
NSString *testString = [[NSString alloc] initWithData:[data subdataWithRange:NSMakeRange(0, 12)] encoding:NSASCIIStringEncoding];
|
||||
|
||||
if ([testString hasPrefix:@"RIFF"] && [testString hasSuffix:@"WEBP"]) {
|
||||
|
||||
return @"webp";
|
||||
|
||||
}
|
||||
|
||||
return nil;
|
||||
|
||||
}
|
||||
|
||||
return nil;
|
||||
}
|
||||
+(UIImage *)getLanguageImage:(NSString *)image{
|
||||
NSString *curImage = image;
|
||||
NSString *language = [NSBundle getLanguageText];
|
||||
|
||||
if (isMSZH()) {
|
||||
// 不處理
|
||||
} else if (isMSTR()) {
|
||||
image = [NSString stringWithFormat:@"%@_tr", image];
|
||||
} else if (isMSRTL()) {
|
||||
image = [NSString stringWithFormat:@"%@_ar", image];
|
||||
} else {
|
||||
image = [NSString stringWithFormat:@"%@_en", image];
|
||||
}
|
||||
|
||||
// 尝试获取带语言后缀的图片
|
||||
UIImage *getImage = kImage(image);
|
||||
|
||||
// 若图片不存在，尝试使用英语图片作为默认
|
||||
if (getImage == nil) {
|
||||
NSString *defaultImageName = [NSString stringWithFormat:@"%@_en", curImage];
|
||||
getImage = kImage(defaultImageName) ?: kImage(curImage);
|
||||
}
|
||||
|
||||
return getImage;
|
||||
}
|
||||
+(NSString *)getLanguageText:(NSString *)image{
|
||||
NSString *curImage = image;
|
||||
NSString *language = [NSBundle getLanguageText];
|
||||
if ([language isEqualToString:@"en"]){
|
||||
image = [NSString stringWithFormat:@"%@_en",image];
|
||||
} else if ([language isEqualToString:@"ar"]){
|
||||
image = [NSString stringWithFormat:@"%@_ar",image];
|
||||
} else if ([language isEqualToString:@"tr"]) { // 土耳其语默认使用英语内容
|
||||
image = [NSString stringWithFormat:@"%@_en",image];
|
||||
}
|
||||
if (kImage(image) == nil){
|
||||
return curImage;
|
||||
}
|
||||
return image;
|
||||
}
|
||||
|
||||
- (UIImage *)imageByApplyingAlpha:(CGFloat)alpha {
|
||||
UIGraphicsBeginImageContextWithOptions(self.size, NO, 0.0f);
|
||||
CGContextRef ctx = UIGraphicsGetCurrentContext();
|
||||
CGRect area = CGRectMake(0, 0, self.size.width, self.size.height);
|
||||
|
||||
CGContextScaleCTM(ctx, 1, -1);
|
||||
CGContextTranslateCTM(ctx, 0, -area.size.height);
|
||||
|
||||
CGContextSetBlendMode(ctx, kCGBlendModeMultiply);
|
||||
CGContextSetAlpha(ctx, alpha);
|
||||
CGContextDrawImage(ctx, area, self.CGImage);
|
||||
|
||||
UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext();
|
||||
UIGraphicsEndImageContext();
|
||||
|
||||
return newImage;
|
||||
}
|
||||
|
||||
@end
|
||||
Reference in New Issue
Block a user