iOS图像处理之裁剪

两行代码而已

CGRect cutRect = CGRectMake(originImage.size.width/2, originImage.size.height/2, originImage.size.width/2, originImage.size.height/2);

    UIImage *cutImage = [UIImage imageWithCGImage:CGImageCreateWithImageInRect([originImage CGImage], cutRect)];

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iOS图像处理之裁剪

原文：http://9951038.blog.51cto.com/9941038/1772571