uisimulator/lcd-x11.c

/***************************************************************************
 *             __________               __   ___.                  
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___  
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /  
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <   
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \  
 *                     \/            \/     \/    \/            \/ 
 * $Id$
 *
 * Copyright (C) 2002 by Daniel Stenberg <daniel@haxx.se>
 *
 * All files in this archive are subject to the GNU General Public License.
 * See the file COPYING in the source tree root for full license agreement.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ****************************************************************************/

#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <stdlib.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

#include <errno.h>
#include <ctype.h>
#include <time.h>

#include "screenhack.h"

/*
 * Specific implementations for X11, using the generic LCD API and data.
 */

#include "lcd.h"
#include "lcd-x11.h"

extern unsigned char display[LCD_HEIGHT/8][LCD_WIDTH];

void lcd_update (void)
{
  int x, y;
  int p=0;
  int bit;
  XPoint points[LCD_WIDTH * LCD_HEIGHT];

  for(y=0; y<LCD_HEIGHT; y+=8) {
    for(x=0; x<LCD_WIDTH; x++) {
      if(display[y/8][x]) {
        /* one or more bits/pixels are set */
        for(bit=0; bit<8; bit++) {
          if(display[y/8][x]&(1<<bit)) {
            points[p].x = x + MARGIN_X;
            points[p].y = y+bit + MARGIN_Y;
            p++; /* increase the point counter */
          }
        }
        
      }
    }
  }
  drawdots(&points[0], p);
  fprintf(stderr, "lcd_update: Draws %d pixels\n", p);
}