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/* $Id$
* $URL$
*
* generic driver helper for graphic displays
*
* Copyright (C) 1999, 2000 Michael Reinelt <michael@reinelt.co.at>
* Copyright (C) 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.
*
*/
#ifndef _DRV_GENERIC_GRAPHIC_H_
#define _DRV_GENERIC_GRAPHIC_H_
#include "drv_generic.h"
#include "widget.h"
#include "rgb.h"
extern RGBA FG_COL; /* foreground color */
extern RGBA BG_COL; /* background color */
extern RGBA BL_COL; /* backlight color */
extern RGBA NO_COL; /* no color (completely transparent) */
/* these functions must be implemented by the real driver */
extern void (*drv_generic_graphic_real_blit) (const int row, const int col, const int height, const int width);
/* helper function to get pixel color or gray value */
extern RGBA drv_generic_graphic_rgb(const int row, const int col);
extern unsigned char drv_generic_graphic_gray(const int row, const int col);
extern unsigned char drv_generic_graphic_black(const int row, const int col);
/* generic functions and widget callbacks */
int drv_generic_graphic_init(const char *section, const char *driver);
int drv_generic_graphic_clear(void);
int drv_generic_graphic_greet(const char *msg1, const char *msg2);
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
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