iOS 获取UIImageView缩放后的图片Size

赵哥窟

发布于 2019-07-25 16:51:09

94400

代码可运行

文章被收录于专栏：日常技术分享日常技术分享

运行总次数：0

代码可运行

+(CGSize)imageSizeAfterAspectFit:(UIImageView*)imageView
{
    float imageRatio = imageView.image.size.width / imageView.image.size.height;
    float viewRatio = imageView.frame.size.width / imageView.frame.size.height;
    if(imageRatio < viewRatio)
    {
        float scale = imageView.frame.size.height / imageView.image.size.height;
        float width = scale * imageView.image.size.width;
        return CGSizeMake(width, imageView.frame.size.height);
    }
    else
    {
        float scale = imageView.frame.size.width / imageView.image.size.width;
        float height = scale * imageView.image.size.height;
        return CGSizeMake(imageView.frame.size.width, height);
    }
}

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原始发表：2019.07.24 ，如有侵权请联系 cloudcommunity@tencent.com 删除

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