iOS － 圖片合成

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 1 - (UIImage *)addImage:(UIImage *)image1 withImage:(UIImage *)image2 rect1:(CGRect)rect1 rect2:(CGRect)rect2 { 2     CGSize size = CGSizeMake(rect1.size.width+rect2.size.width, rect1.size.height); 3      4     UIGraphicsBeginImageContext(size); 5      6     [image1 drawInRect:rect1]; 7     [image2 drawInRect:rect2]; 8      9     UIImage *resultingImage = UIGraphicsGetImageFromCurrentImageContext();10     11     UIGraphicsEndImageContext();12     13     return resultingImage;14 }

 

iOS － 圖片合成