UIImage-ImageWithColor颜色创建图像工具

UIImage-ImageWithColor 是一款使用颜色创建图像的工具。

用法

• 用另一张图像制作模糊的图像

#import "UIImage+Blur.h"
...

// jpeg quality image data
float quality = .00001f;

// intensity of blurred
float blurred = .5f;
    
NSData *imageData = UIImageJPEGRepresentation([self.imageViewNormal image], quality);
UIImage *blurredImage = [[UIImage imageWithData:imageData] blurredImage:blurred];
self.imageViewBlurred.image = blurredImage;

• 截屏

#import "UIImage+Screenshot.h"
...

UIImage *image = [UIImage screenshot];
self.imageView.image = image;

• 生成彩色图像

#import "UIImage+ImageWithColor.h"
...
UIColor *purpleColor = [UIColor colorWithRed:.927f green:.264f blue:.03f alpha:1];
UIImage *image = [UIImage imageWithColor:purpleColor];
    
[self.navigationBar setBackgroundImage:image forBarMetrics:UIBarMetricsDefault];