 		text.drawInRect(textRect, withAttributes: attributes as [NSObject : AnyObject])
 	}
 	
-	// Touch events
+	// MARK: Touch events
 	
 	override func touchesBegan(touches: Set<NSObject>, withEvent event: UIEvent) {
 		let touch: AnyObject? = touches.first

		update()
	}
	
	// Prerendering
	
	func generateHUEImage(size: CGSize) -> UIImage {
		

		return image
	}
	
	// MARK: Updating
	
	func update() {
		
