IOS 视图缩放

时间：2015-03-26 20:20:58 收藏：0 阅读：122

- (UIImage *)scaleImage:(UIImage *)image toScale:(CGSize )scaleSize
{
    UIGraphicsBeginImageContext(scaleSize);
    [image drawInRect:CGRectMake(0, 0, scaleSize.width, scaleSize.height)];
    UIImage *scaledImage = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();
    return scaledImage;
}

原文：http://www.cnblogs.com/mlgbya/p/4369550.html