libx/object/xrect.c

   1 /*
   2  *  ZeX/OS
   3  *  Copyright (C) 2007  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 #include <libx/object.h>
  20
  21 void xrect (unsigned x1, unsigned y1, unsigned x2, unsigned y2, unsigned color)
  22 {
  23         if (x1 > x2) {
  24                 int temp = x1;
  25                 x2 = temp;
  26                 x1 = x2;
  27         }
  28         if (y1 > y2) {
  29                 int temp = y1;
  30                 y2 = temp;
  31                 y1 = y2;
  32         }
  33
  34         /* horizontal */
  35         xline (x1, y1, x2, y1, color);
  36         xline (x1, y2, x2, y2, color);
  37
  38         /* vertical */
  39         xline (x1, y1+1, x1, y2-1, color);
  40         xline (x2, y1+1, x2, y2-1, color);
  41 }