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copied!<p>Try this code that I used for resizing image and you will get the new frame as well.The ratio seem to be fixed but you can change it as per your requirement.</p> <pre><code>-(UIImage*)ImageResize:(UIImage*)image { if(image==NULL) { return NULL; } else { float actualHeight = image.size.height; float actualWidth = image.size.width; float imgRatio = actualWidth/actualHeight; float maxRatio = 130.0/160.0; if(imgRatio!=maxRatio) { if(imgRatio < maxRatio) { imgRatio = 160.0 / actualHeight; actualWidth = imgRatio * actualWidth; actualHeight = 160.0; } else { imgRatio = 130.0 / actualWidth; actualHeight = imgRatio * actualHeight; actualWidth = 130.0; } } CGRect rect = CGRectMake(0.0, 0.0, actualWidth, actualHeight); UIGraphicsBeginImageContext(rect.size); [image drawInRect:rect]; UIImage *img = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); return img; } } </code></pre> <p>The below code can be used for specific image size that you can pass.</p> <pre><code> -(UIImage *)thumbnailWithImageWithoutScale:(UIImage *)image size:(CGSize)wantSize { UIImage * targetImage; if (nil == image) { targetImage = nil; }else{ CGSize size = image.size; CGRect rect; if (wantSize.width/wantSize.height > size.width/size.height) { rect.size.width = wantSize.height*size.width/size.height; rect.size.height = wantSize.height; rect.origin.x = (wantSize.width - rect.size.width)/2; rect.origin.y = 0; } else{ rect.size.width = wantSize.width; rect.size.height = wantSize.width*size.height/size.width; rect.origin.x = 0; rect.origin.y = (wantSize.height - rect.size.height)/2; } UIGraphicsBeginImageContext(wantSize); CGContextRef context = UIGraphicsGetCurrentContext(); CGContextSetFillColorWithColor(context, [[UIColor clearColor] CGColor]); UIRectFill(CGRectMake(0, 0, wantSize.width, wantSize.height));//clear background [image drawInRect:rect]; targetImage = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); } return targetImage; } </code></pre>

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