I have a image & i want to change the color of that image through programatically.
& I want to change the color of this image
UPDATE:
Use this method...
-(UIImage *)imageNamed:(NSString *)name withColor:(UIColor *)color {
// load the image
UIImage *img = [UIImage imageNamed:name];
// begin a new image context, to draw our colored image onto
UIGraphicsBeginImageContext(img.size);
// get a reference to that context we created
CGContextRef context = UIGraphicsGetCurrentContext();
// set the fill color
[color setFill];
// translate/flip the graphics context (for transforming from CG* coords to UI* coords
CGContextTranslateCTM(context, 0, img.size.height);
CGContextScaleCTM(context, 1.0, -1.0);
// set the blend mode to color burn, and the original image
CGContextSetBlendMode(context, kCGBlendModeColorBurn);
CGRect rect = CGRectMake(0, 0, img.size.width, img.size.height);
CGContextDrawImage(context, rect, img.CGImage);
// set a mask that matches the shape of the image, then draw (color burn) a colored rectangle
CGContextClipToMask(context, rect, img.CGImage);
CGContextAddRect(context, rect);
CGContextDrawPath(context,kCGPathFill);
// generate a new UIImage from the graphics context we drew onto
UIImage *coloredImg = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
//return the color-burned image
return coloredImg;
}
Use it like below...
yourImageView.image = [self imageNamed:@"yourImageName" withColor:[UIColor orangeColor]];
Here is the Swift version:
extension UIImage {
func colorizeWith(color: UIColor) -> UIImage {
UIGraphicsBeginImageContext(self.size)
let context = UIGraphicsGetCurrentContext()
color.setFill()
CGContextTranslateCTM(context, 0, self.size.height)
CGContextScaleCTM(context, 1.0, -1.0)
// set the blend mode to color burn, and the original image
CGContextSetBlendMode(context, kCGBlendModeNormal);
let rect = CGRectMake(0, 0, self.size.width, self.size.height);
CGContextDrawImage(context, rect, self.CGImage);
// set a mask that matches the shape of the image, then draw (color burn) a colored rectangle
CGContextClipToMask(context, rect, self.CGImage);
CGContextAddRect(context, rect);
CGContextDrawPath(context,kCGPathFill);
// generate a new UIImage from the graphics context we drew onto
let coloredImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
//return the color-burned image
return coloredImage;
}
}
You can try Ankish Jain's answer, it works for me.
theImageView.image = [theImageView.image imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate];
[theImageView setTintColor:[UIColor redColor]];
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