git.mutantstargoat.com Git - winnie/blob - src/main.cc

   1 #include <stdio.h>
   2
   3 #include "gfx.h"
   4
   5 int main()
   6 {
   7         if(!init_gfx()) {
   8                 return 1;
   9         }
  10
  11         set_cursor_visibility(false);
  12
  13         unsigned char* fb = get_framebuffer();
  14         Rect scrn_sz = get_screen_size();
  15
  16         for(int i=0; i<scrn_sz.height; i++) {
  17                 for(int j=0; j<scrn_sz.width; j++) {
  18                         unsigned char color0[3] = {255, 0, 0};
  19                         unsigned char color1[3] = {0, 0, 255};
  20                         unsigned char* color;
  21
  22                         //red blue chessboard 16 pxls size
  23                         if(((j >> 4) & 1) == ((i >> 4) & 1)) {
  24                                 color = color0;
  25                         }
  26                         else {
  27                                 color = color1;
  28                         }
  29
  30                         *fb++ = color[0];
  31                         *fb++ = color[1];
  32                         *fb++ = color[2];
  33                         fb++;
  34                 }
  35         }
  36
  37         getchar();
  38         clear_screen(0, 0, 0);
  39
  40         destroy_gfx();
  41 }