UIImage from text

gistfile.m

+ (UIImage *)imageFromText:(NSString *)text size:(CGSize)size fontName:(NSString *)fontName maxFontSize:(CGFloat)maxFontSize minFontSize:(CGFloat)minFontSize
{
	UIFont *font;
	CGSize fontSize;
	
	for (CGFloat maxSize = maxFontSize; maxSize >= minFontSize; maxSize -= 1.f) {
		font = [UIFont fontWithName:fontName size:maxSize];
		fontSize = [text sizeWithAttributes:@{ NSFontAttributeName : font }];
		
		if (fontSize.width <= size.width) {
			break;
		}
	}
	
	UIGraphicsBeginImageContextWithOptions(size, NO, 0.0);
	
	CGFloat fontPosX = (size.width - fontSize.width) * 0.5;
	CGFloat fontPosY = (size.height - fontSize.height) * 0.5;
	
	[text drawAtPoint:CGPointMake(fontPosX, fontPosY) withAttributes:@{ NSFontAttributeName : font }];
	
	UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
	CGRect rect = CGRectMake(0, 0, image.size.width, image.size.height);
	[image drawInRect:rect blendMode:kCGBlendModeNormal alpha:1.0];
	
	CGContextRef ctx = UIGraphicsGetCurrentContext();
	CGContextSetRGBStrokeColor(ctx, 0.0, 0.0, 0.0, 1.0);
	CGContextStrokeRect(ctx, rect);
	UIImage *img = UIGraphicsGetImageFromCurrentImageContext();
	
	UIGraphicsEndImageContext();
	
	return img;
}