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-(UIImage*) OriginImage:(UIImage *)image scaleToSize:(CGSize)size { UIGraphicsBeginImageContext(size); //size 為CGSize類型，即你所需要的圖片尺寸 [image drawInRect:CGRectMake(0, 0, size.width, size.height)]; UIImage* scaledImage = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); return scaledImage; //返回的就是已經(jīng)改變的圖片 } |
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來自： 求知665 > 《ios有用網(wǎng)頁》
