UIImage extension

UIImage+UIImageExtension.h

// UIImage+UIImageExtension.h
//
#import <Foundation/Foundation.h>

@interface UIImage (UIImageExtension)

// Resample to create another image: aspect ratio is not preserved (not yet)
//
- (UIImage *)resample:(CGSize)newSize;

@end

UIImage+UIImageExtension.m

// UIImage+UIImageExtension.m
//
#import "UIImage+UIImageExtension.h"

@implementation UIImage (UIImageExtension)

- (UIImage *)resample:(CGSize)newSize
{
    UIGraphicsBeginImageContext(newSize);
     [self drawInRect:CGRectMake(0, 0, newSize.width, newSize.height)];
 	UIImage* newImage = UIGraphicsGetImageFromCurrentImageContext();
 	UIGraphicsEndImageContext();

 	return newImage;
}

@end