/***************************************************************************
 *   Copyright (C) 2003 by David Saxton                                    *
 *   david@bluehaze.org                                                    *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 ***************************************************************************/

#ifndef LED_H
#define LED_H

#include "component.h"
#include "ecdiode.h"

/**
@short Simulates a LED
@author David Saxton
*/
class LED : public ECDiode
{
public:
	LED( ICNDocument *icnDocument, bool newItem, const char *id = 0L );
	~LED();
	
	static Item* construct( ItemDocument *itemDocument, bool newItem, const char *id );
	static LibraryItem *libraryItem();
	
	/**
	 * Returns the brightness for the given current, from 255 (off) -> 0 (on)
	 */
	static uint brightness( double i );
	
	virtual void dataChanged();
	virtual void stepNonLogic();
	virtual bool doesStepNonLogic() const { return true; }
	
private:
	virtual void drawShape( QPainter &p );
	
	double r, g, b;
	
	double avg_brightness;
	uint last_brightness;
	double lastUpdatePeriod;
};

#endif
