UIImage *image = [UIImage imageNamed:@"GradientFillImage.png"];
myLabel.textColor = [UIColor colorWithPatternImage:image];

- (void)drawTextInRect:(CGRect)rect
{
    //set gradient as a pattern fill
    CGRect info[1] = {rect};
    static const CGPatternCallbacks callbacks = {0, &drawImagePattern, NULL};
    CGAffineTransform transform = CGAffineTransformMakeScale(1.0, -1.0);

    CGPatternRef pattern = CGPatternCreate((void *) info, rect, transform, 10.0, rect.size.height, kCGPatternTilingConstantSpacing, true, &callbacks);
    CGColorSpaceRef patternSpace = CGColorSpaceCreatePattern(NULL);
    CGFloat alpha = 1.0;
    CGColorRef patternColorRef = CGColorCreateWithPattern(patternSpace, pattern, &alpha);
    CGColorSpaceRelease(patternSpace);
    CGPatternRelease(pattern);
    self.textColor = [UIColor colorWithCGColor:patternColorRef];
    self.shadowOffset = CGSizeZero;
    [super drawTextInRect:rect];
}

void drawImagePattern(void *info, CGContextRef context)
{
    UIImage *image = [UIImage imageNamed:@"FontGradientPink.png"];
    CGImageRef imageRef = [image CGImage];
    CGRect *rect = info;
    CGContextDrawImage(context, rect[0], imageRef);
}