[Tint Image in CALayer] How to tint an image that is in a CALayer object. #swift #mobile #ios #ui

tint.swift

- (UIImage *)tintedImageWithColor:(UIColor *)tintColor blendingMode:(CGBlendMode)blendMode highQuality:(BOOL) yerOrNo;
{
    UIGraphicsBeginImageContextWithOptions(self.size, NO, 0.0f);
    if (yerOrNo) {
        CGContextRef context = UIGraphicsGetCurrentContext();
        CGContextSetShouldAntialias(context, true);
        CGContextSetAllowsAntialiasing(context, true);
        CGContextSetInterpolationQuality(context, kCGInterpolationHigh);
    }
    [tintColor setFill];
    CGRect bounds = CGRectMake(0, 0, self.size.width, self.size.height);
    UIRectFill(bounds);
    [self drawInRect:bounds blendMode:blendMode alpha:1.0f];

    if (blendMode != kCGBlendModeDestinationIn)
        [self drawInRect:bounds blendMode:kCGBlendModeDestinationIn alpha:1.0];

    UIImage *tintedImage = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();

    return tintedImage;
}