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/* $Id: drv_generic_graphic.h,v 1.2 2004/02/18 06:39:20 reinelt Exp $
 *
 * generic driver helper for graphic displays
 *
 * Copyright 1999, 2000 Michael Reinelt <reinelt@eunet.at>
 * Copyright 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
 *
 * This file is part of LCD4Linux.
 *
 * LCD4Linux 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, or (at your option)
 * any later version.
 *
 * LCD4Linux 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *
 * $Log: drv_generic_graphic.h,v $
 * Revision 1.2  2004/02/18 06:39:20  reinelt
 * T6963 driver for graphic displays finished
 *
 * Revision 1.1  2004/02/15 21:43:43  reinelt
 * T6963 driver nearly finished
 * framework for graphic displays done
 * i2c_sensors patch from Xavier
 * some more old generation files removed
 *
 */

/* 
 *
 * exported fuctions:
 *
 * Fixme: document me!
 *
 */

#ifndef _DRV_GENERIC_GRAPHIC_H_
#define _DRV_GENERIC_GRAPHIC_H_


#include <termios.h>
#include "widget.h"


extern int DROWS, DCOLS; // display size
extern int LROWS, LCOLS; // layout size
extern int XRES,  YRES;  // pixel width/height of one char 

// framebuffer
extern unsigned char *drv_generic_graphic_FB;

// these functions must be implemented by the real driver
void (*drv_generic_graphic_real_blit)(int row, int col, int height, int width);

// generic functions and widget callbacks
int  drv_generic_graphic_init            (char *section, char *driver);
int  drv_generic_graphic_draw            (WIDGET *W);
int  drv_generic_graphic_icon_draw       (WIDGET *W);
int  drv_generic_graphic_bar_draw        (WIDGET *W);
int  drv_generic_graphic_quit            (void);

#endif