view转换成image

最新推荐文章于 2025-02-28 10:05:23 发布

转载最新推荐文章于 2025-02-28 10:05:23 发布 · 320 阅读

0 ·

CC 4.0 BY-SA版权

原文链接：https://my.oschina.net/codeismygirl/blog/677991

文章标签：

#swift #python

2019独角兽企业重金招聘Python工程师标准>>>

Swift代码一栏

    override func touchesBegan(touches: Set<UITouch>, withEvent event: UIEvent?) {
        
        let imageView = UIImageView(frame: CGRect(x: 0, y: 400, width: 200, height: 300));
        
        view.addSubview(imageView);
        
        // view转化成image
        imageView.image = imageFromView(view);
        
        print("图片生成完毕");
    }
    
    // MARK: 把view转化成image
    
    /// 把view转化成image
    private func imageFromView(theView: UIView) -> (UIImage) {
        
        UIGraphicsBeginImageContext(theView.frame.size);
        
        let context = UIGraphicsGetCurrentContext();
        
        theView.layer.renderInContext(context!);
        
        let newImage = UIGraphicsGetImageFromCurrentImageContext();
        
        UIGraphicsEndImageContext();
        
        return newImage;
    }

OC代码一栏

#pragma mark - 把view转化成image
/// 把view转化成image
- (UIImage *)imageFromView:(UIView *)theView {
    
    UIGraphicsBeginImageContext(theView.frame.size);
    
    CGContextRef context = UIGraphicsGetCurrentContext();
    
    [theView.layer renderInContext:context];
    
    UIImage *theImage = UIGraphicsGetImageFromCurrentImageContext();
    
    UIGraphicsEndImageContext();
    
    return theImage;
}

Swift/OC-->Demo点此下载

转载于:https://my.oschina.net/codeismygirl/blog/677991