Convert NSString to UIImage

-(UIImage *)imageFromText:(NSString *)text

{

    // set the font type and size

    UIFont *font = [UIFont systemFontOfSize:20.0];

    CGSize size  = [text sizeWithFont:font];

    

    // check if UIGraphicsBeginImageContextWithOptions is available (iOS is 4.0+)

    if (UIGraphicsBeginImageContextWithOptions != NULL)

        UIGraphicsBeginImageContextWithOptions(size,NO,0.0);

    else

        // iOS is < 4.0

        UIGraphicsBeginImageContext(size);

    

    // optional: add a shadow, to avoid clipping the shadow you should make the context size bigger

    //

    CGContextRef ctx = UIGraphicsGetCurrentContext();

    CGContextSetShadowWithColor(ctx, CGSizeMake(1.0, 1.0), 5.0, [[UIColor brownColor] CGColor]);

    

    // draw in context, you can use also drawInRect:withFont:

    [text drawAtPoint:CGPointMake(0.0, 0.0) withFont:font];

    

    //CGImageRef cimg = UIGraphicsGetCurrentContext();

    

    // transfer image

    UIImage *image = UIGraphicsGetImageFromCurrentImageContext();

    CGRect rect = CGRectMake(0, 0, image.size.width, image.size.height);

    [image drawInRect:rect blendMode:kCGBlendModeNormal alpha:1.0];

    

    //CGContextRef context = UIGraphicsGetCurrentContext();

    CGContextSetRGBStrokeColor(ctx, 2.0, 3.5, 5.0, 1.0);

    CGContextStrokeRect(ctx, rect);

    UIImage *testImg = UIGraphicsGetImageFromCurrentImageContext();

    

    UIGraphicsEndImageContext();    

    

    return testImg;

}