commands/videotest.c

   1 /*
   2  *  GRUB  --  GRand Unified Bootloader
   3  *  Copyright (C) 2006,2007  Free Software Foundation, Inc.
   4  *
   5  *  GRUB 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  *  GRUB 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 GRUB.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #include <grub/machine/memory.h>
  20 #include <grub/video.h>
  21 #include <grub/types.h>
  22 #include <grub/dl.h>
  23 #include <grub/misc.h>
  24 #include <grub/normal.h>
  25 #include <grub/arg.h>
  26 #include <grub/mm.h>
  27 #include <grub/font.h>
  28 #include <grub/term.h>
  29
  30 static grub_err_t
  31 grub_cmd_videotest (struct grub_arg_list *state __attribute__ ((unused)),
  32                     int argc __attribute__ ((unused)),
  33                     char **args __attribute__ ((unused)))
  34 {
  35   if (grub_video_setup (1024, 768,
  36                         GRUB_VIDEO_MODE_TYPE_INDEX_COLOR) != GRUB_ERR_NONE)
  37     return grub_errno;
  38
  39   grub_getkey ();
  40
  41   grub_video_color_t color;
  42   unsigned int x;
  43   unsigned int y;
  44   unsigned int width;
  45   unsigned int height;
  46   int i;
  47   struct grub_font_glyph glyph;
  48   struct grub_video_render_target *text_layer;
  49   grub_video_color_t palette[16];
  50
  51   grub_video_get_viewport (&x, &y, &width, &height);
  52
  53   grub_video_create_render_target (&text_layer, width, height,
  54                                    GRUB_VIDEO_MODE_TYPE_RGB
  55                                    | GRUB_VIDEO_MODE_TYPE_ALPHA);
  56
  57   grub_video_set_active_render_target (GRUB_VIDEO_RENDER_TARGET_DISPLAY);
  58
  59   color = grub_video_map_rgb (0, 0, 0);
  60   grub_video_fill_rect (color, 0, 0, width, height);
  61
  62   color = grub_video_map_rgb (255, 0, 0);
  63   grub_video_fill_rect (color, 0, 0, 100, 100);
  64
  65   color = grub_video_map_rgb (0, 255, 255);
  66   grub_video_fill_rect (color, 100, 100, 100, 100);
  67
  68   grub_font_get_glyph ('*', &glyph);
  69   grub_video_blit_glyph (&glyph, color, 200 ,0);
  70
  71   grub_video_set_viewport (x + 150, y + 150,
  72                            width - 150 * 2, height - 150 * 2);
  73   color = grub_video_map_rgb (77, 33, 77);
  74   grub_video_fill_rect (color, 0, 0, width, height);
  75
  76   grub_video_set_active_render_target (text_layer);
  77
  78   color = grub_video_map_rgb (255, 255, 255);
  79
  80   grub_font_get_glyph ('A', &glyph);
  81   grub_video_blit_glyph (&glyph, color, 16, 16);
  82   grub_font_get_glyph ('B', &glyph);
  83   grub_video_blit_glyph (&glyph, color, 16 * 2, 16);
  84
  85   grub_font_get_glyph ('*', &glyph);
  86
  87   for (i = 0; i < 16; i++)
  88     {
  89       color = grub_video_map_color (i);
  90       palette[i] = color;
  91       grub_video_blit_glyph (&glyph, color, 16 + i * 16, 32);
  92     }
  93
  94   grub_video_set_active_render_target (GRUB_VIDEO_RENDER_TARGET_DISPLAY);
  95
  96   for (i = 0; i < 255; i++)
  97     {
  98       color = grub_video_map_rgb (i, 33, 77);
  99       grub_video_fill_rect (color, 0, 0, width, height);
 100       grub_video_blit_render_target (text_layer, GRUB_VIDEO_BLIT_BLEND, 0, 0,
 101                                      0, 0, width, height);
 102     }
 103
 104   grub_getkey ();
 105
 106   grub_video_delete_render_target (text_layer);
 107
 108   grub_video_restore ();
 109
 110   for (i = 0; i < 16; i++)
 111     grub_printf("color %d: %08x\n", i, palette[i]);
 112
 113   grub_errno = GRUB_ERR_NONE;
 114   return grub_errno;
 115 }
 116
 117 GRUB_MOD_INIT(videotest)
 118 {
 119   grub_register_command ("videotest",
 120                          grub_cmd_videotest,
 121                          GRUB_COMMAND_FLAG_BOTH,
 122                          "videotest",
 123                          "Test video subsystem",
 124                          0);
 125 }
 126
 127 GRUB_MOD_FINI(videotest)
 128 {
 129   grub_unregister_command ("videotest");
 130 }