Add text to image

//
//  Created by Danilo Priore on 18/08/12.
//  Copyright (c) 2012 Prioregroup.com. All rights reserved.
//

- (UIImage*)addTextToImage:(UIImage*)img text:(NSString*)text1 XPos:(int)xpos YPos:(int)ypos fontName:(NSString*)fontName fontSize:(CGFloat)fontSize fontColor:(UIColor*)fontColor {

    int w = img.size.width;
    int h = img.size.height;

    CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
    CGContextRef context = CGBitmapContextCreate(NULL, w, h, 8, 4 * w, colorSpace, kCGImageAlphaPremultipliedFirst);

    CGContextDrawImage(context, CGRectMake(0, 0, w, h), img.CGImage);
    CGContextSetRGBFillColor(context, 0.0, 0.0, 1.0, 1);

    char *txt = (char*)[text1 cStringUsingEncoding:NSUTF8StringEncoding];
    char *font = (char*)[fontName cStringUsingEncoding:NSUTF8StringEncoding];

    CGContextSelectFont(context, font, fontSize, kCGEncodingMacRoman);
    CGContextSetTextDrawingMode(context, kCGTextFill);
    CGContextSetFillColorWithColor(context, fontColor.CGColor);
    CGContextShowTextAtPoint(context, xpos, ypos, txt, strlen(txt));

    CGImageRef imageRef = CGBitmapContextCreateImage(context);
    CGContextSetAllowsAntialiasing(context, YES);

    UIImage *result = [UIImage imageWithCGImage:imageRef];

    CGImageRelease(imageRef);
    CGContextRelease(context);
    CGColorSpaceRelease(colorSpace);

    return result;
}