Tint mono image

UIImage+HLImages.m

-(UIImage*)tintedMonoImageWithColor:(UIColor*)color
{
    UIGraphicsBeginImageContextWithOptions(self.size, NO, 0.0f);
    [color setFill];
    CGRect bounds = CGRectMake(0, 0, self.size.width, self.size.height);
    UIRectFill(bounds);
    [self drawInRect:bounds blendMode:kCGBlendModeDestinationIn alpha:1.0];
    
    UIImage *tintedImage = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();
    
    return tintedImage;
}