UIImage+Tint

UIImage+Tint.h

#import <UIKit/UIKit.h>

@interface UIImage (Tint)
- (UIImage *)tintedImageUsingColor:(UIColor *)tintColor;
@end

UIImage+Tint.m

#import "UIImage+Tint.h"

@implementation UIImage (Tint)
- (UIImage *)tintedImageUsingColor:(UIColor *)color
{
    if (color) {
		// Construct new image the same size as this one.
		UIImage *image;
		UIGraphicsBeginImageContextWithOptions([self size], NO, 0.0); // 0.0 for scale means "scale for device's main screen".
		CGRect rect = CGRectZero;
		rect.size = [self size];
        
		// tint the image
		[self drawInRect:rect];
		[color set];
		UIRectFillUsingBlendMode(rect, kCGBlendModeNormal);
        
		// restore alpha channel
		[self drawInRect:rect blendMode:kCGBlendModeDestinationIn alpha:1.0f];
        
		image = UIGraphicsGetImageFromCurrentImageContext();
		UIGraphicsEndImageContext();
        
		return image;
	}
    
	return self;
}
@end