apps/zde/zpaint/main.c

   1 /*
   2  *  ZeX/OS
   3  *  Copyright (C) 2009  Tomas 'ZeXx86' Jedrzejek (zexx86@zexos.org)
   4  *
   5  *  This program is free software: you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation, either version 3 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19
  20 #include <appcl.h>
  21
  22 unsigned short *zpaint_bitmap;
  23 zbitmap_t zbmp;
  24
  25 void zweb_draw ()
  26 {
  27         zgui_puts (5, 5, "ZPaint", 0);
  28
  29         unsigned short x;
  30         unsigned short y;
  31
  32         int s = zgui_cursor (&x, &y);
  33
  34         int yy = y - 20;
  35
  36         if (yy < 0)
  37                 yy = 0;
  38         else if (yy >= 200)
  39           yy = 199;
  40
  41         if (s)
  42                 zbmp.data[zbmp.sizex*yy+x] = 0;
  43
  44         zgui_bitmap (&zbmp);
  45 }
  46
  47 int main (int argc, char **argv)
  48 {
  49         int exit = 0;
  50
  51         if (zgui_init () == -1)
  52                 return -1;
  53
  54         zgui_resize (328, 240);
  55
  56         zpaint_bitmap = (unsigned short *) malloc (sizeof (unsigned short) * 320 * 200);
  57
  58         if (!zpaint_bitmap)
  59                 goto end;
  60
  61         memset (zpaint_bitmap, ~0, sizeof (unsigned short) * 320 * 200);
  62
  63         zbmp.x = 0;
  64         zbmp.y = 20;
  65         zbmp.resx = 320;
  66         zbmp.resy = 200;
  67
  68         zbmp.posx = 0;
  69         zbmp.posy = 0;
  70         zbmp.sizex = 320;
  71         zbmp.sizey = 200;
  72
  73         zbmp.data = zpaint_bitmap;
  74
  75         while (!exit) {
  76                 unsigned state = zgui_event ();
  77
  78                 if (state & APPCL_STATE_REDRAW)
  79                         zweb_draw ();
  80
  81                 if (state & APPCL_STATE_EXIT)
  82                         exit = 1;
  83         }
  84
  85         free (zpaint_bitmap);
  86 end:
  87         return zgui_exit ();
  88 }
  89