How to resize the image programmatically in objective-c in iphone

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Please find the following code.

- (UIImage *)imageWithImage:(UIImage *)image convertToSize:(CGSize)size {
    UIGraphicsBeginImageContext(size);
    [image drawInRect:CGRectMake(0, 0, size.width, size.height)];
    UIImage *destImage = UIGraphicsGetImageFromCurrentImageContext();    
    UIGraphicsEndImageContext();
    return destImage;
}

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