UIimage更改TintColor颜色

- (UIImage*) tintImageWithColor:(UIColor*)tintColor
{
    UIGraphicsBeginImageContextWithOptions(self.size,NO, [[UIScreenmainScreen]scale]);
    CGContextRef context = UIGraphicsGetCurrentContext();
   
    CGContextTranslateCTM(context,0,self.size.height);
    CGContextScaleCTM(context,1.0, -1.0);
   
    CGRect rect = CGRectMake(0,0,self.size.width,self.size.height);
   
    CGContextSetBlendMode(context,kCGBlendModeNormal);
    CGContextDrawImage(context, rect,self.CGImage);
   
    CGContextSetBlendMode(context,kCGBlendModeSourceIn);
    [tintColor setFill];
    CGContextFillRect(context, rect);
   
    UIImage *coloredImage = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();
    return coloredImage;

}