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如何得到UIImage的大小
展开全部
-(UIImage*)scaleImage:(UIImage*)imagetoScale:(float)scaleSize{UIGraphicsBeginImageContext(CGSizeMake(image.size.width*scaleSize,image.size.height*scaleSize);[imagedrawInRect:CGRectMake(0,0,image.size.width*scaleSize,image.size.height*scaleSize)];UIImage*scaledImage=UIGraphicsGetImageFromCurrentImageContext();UIGraphicsEndImageContext();returnscaledImage;
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