UIImage+Resize.h - resize UIImages

UIImage+Resize.h

#import <Foundation/Foundation.h>

@interface UIImage (Resize)

- (UIImage *)resizeTo:(CGSize)newSize;

@end

UIImage+Resize.m

#import "UIImage+Resize.h"

@implementation UIImage (Resize)

- (UIImage *)resizeTo:(CGSize)newSize
{
    CGFloat scale = [[UIScreen mainScreen]scale];
    /*You can remove the below comment if you dont want to scale the image in retina   device .Dont forget to comment UIGraphicsBeginImageContextWithOptions*/
    //UIGraphicsBeginImageContext(newSize);
    UIGraphicsBeginImageContextWithOptions(newSize, NO, scale);
    [self drawInRect:CGRectMake(0,0,newSize.width,newSize.height)];
    UIImage* newImage = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();
    return newImage;
}

@end