/elec/propeller-clock

/*

 * drawer.h

 *

 * Copyright (C) 2011 Tim Marston <tim@ed.am> and Dan Marston.

 *

 * This file is part of propeller-clock (hereafter referred to as "this

 * program"). See http://ed.am/dev/software/arduino/propeller-clock for more

 * information.

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU Lesser General Public License as published

 * by the Free Software Foundation, either version 3 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public License

 * along with this program.  If not, see <http://www.gnu.org/licenses/>.

 */

#ifndef _DRAWER_H_

#define _DRAWER_H_

class Drawer

{

public:

	/**

	 * Draw an individual segment (column of pixels)

	 *

	 * @param segment the segment number

	 */

	virtual void draw( int segment ) = 0;

	/**

	 * Called before the first segment is drawn, once per "frame".

	 */

	virtual void draw_reset();

};

#endif //_DRAWER_H_