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charcanvas.h

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/*
 *  charcanvas.h - Canvas for character-oriented devices.
 *                 This file is part of the FreeLCD package.
 *
 *  $Id: charcanvas_8h-source.html,v 1.1 2003/02/16 22:50:41 unicorn Exp $
 *
 *  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.
 * 
 *  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 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., 59 Temple Place, Suite 330, Boston,
 *  MA  02111-1307  USA
 *
 *  Copyright (c) 2002, 2003, Jeroen van den Berg <unicorn@hippie.nu>
 */


#ifndef _CHARCANVAS_H
#define _CHARCANVAS_H

#include <wchar.h>

typedef struct
{
  wchar_t c; 
  char damaged_flag; 
  unsigned char *bitmap; 
}
cc_elem;

typedef struct
{
  int width; 
  int height; 
  cc_elem *elements; 
}
cc_canvas;


cc_canvas *
cc_create_canvas (unsigned int width, unsigned int height);

void
cc_delete_canvas (cc_canvas *canvas);

void
cc_put_char (cc_canvas *canvas, unsigned int x_pos, unsigned int y_pos, 
             wchar_t character);

void
cc_write_text (cc_canvas *canvas, unsigned int x_pos, unsigned int y_pos,
               char *utf8_string);

cc_elem*
cc_get_element (cc_canvas *canvas, unsigned int x_pos, unsigned int y_pos);

void
cc_clear_damaged_regions (cc_canvas *canvas);


#endif /* Multiple include guard */

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