[iOS代码] 视图view如何截图生成UIImage图片

cutescreen

于 2013-05-01 19:06:31 发布

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分类专栏： iOS功能代码

本文链接：https://blog.youkuaiyun.com/getlinux/article/details/8872700

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#import <QuartzCore/QuartzCore.h>

    UIImage* layerImage = nil;
    CGSize layerSize = self.contentScrollView.frame.size;
    
    UIGraphicsBeginImageContextWithOptions(layerSize, NO, 2.0);
    [self.contentScrollView.layer renderInContext:UIGraphicsGetCurrentContext()];
    layerImage = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();
    UIImageWriteToSavedPhotosAlbum(layerImage, nil, nil, nil);