diff options
Diffstat (limited to 'grub-core/commands/videotest.c')
| -rw-r--r-- | grub-core/commands/videotest.c | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/grub-core/commands/videotest.c b/grub-core/commands/videotest.c new file mode 100644 index 0000000..b6c181b --- /dev/null +++ b/grub-core/commands/videotest.c @@ -0,0 +1,241 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2006,2007,2009 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/video.h> +#include <grub/types.h> +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/mm.h> +#include <grub/font.h> +#include <grub/term.h> +#include <grub/command.h> +#include <grub/i18n.h> +#include <grub/gfxmenu_view.h> +#include <grub/env.h> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static grub_err_t +grub_cmd_videotest (grub_command_t cmd __attribute__ ((unused)), + int argc, char **args) +{ + grub_err_t err; + grub_video_color_t color; + unsigned int x; + unsigned int y; + unsigned int width; + unsigned int height; + int i; + struct grub_video_render_target *text_layer; + grub_video_color_t palette[16]; + const char *mode = NULL; + +#ifdef GRUB_MACHINE_PCBIOS + if (grub_strcmp (cmd->name, "vbetest") == 0) + grub_dl_load ("vbe"); +#endif + mode = grub_env_get ("gfxmode"); + if (argc) + mode = args[0]; + if (!mode) + mode = "auto"; + + err = grub_video_set_mode (mode, GRUB_VIDEO_MODE_TYPE_PURE_TEXT, 0); + if (err) + return err; + + grub_video_get_viewport (&x, &y, &width, &height); + + { + const char *str; + int texty; + grub_font_t sansbig; + grub_font_t sans; + grub_font_t sanssmall; + grub_font_t fixed; + struct grub_font_glyph *glyph; + + if (grub_video_create_render_target (&text_layer, width, height, + GRUB_VIDEO_MODE_TYPE_RGB + | GRUB_VIDEO_MODE_TYPE_ALPHA) + || !text_layer) + goto fail; + + grub_video_set_active_render_target (text_layer); + + color = grub_video_map_rgb (0, 255, 255); + sansbig = grub_font_get ("Unknown Regular 16"); + sans = grub_font_get ("Unknown Regular 16"); + sanssmall = grub_font_get ("Unknown Regular 16"); + fixed = grub_font_get ("Fixed 20"); + if (! sansbig || ! sans || ! sanssmall || ! fixed) + return grub_error (GRUB_ERR_BAD_FONT, "no font loaded"); + + glyph = grub_font_get_glyph (fixed, '*'); + grub_font_draw_glyph (glyph, color, 200 ,0); + + color = grub_video_map_rgb (255, 255, 255); + + texty = 32; + grub_font_draw_string ("The quick brown fox jumped over the lazy dog.", + sans, color, 16, texty); + texty += grub_font_get_descent (sans) + grub_font_get_leading (sans); + + texty += grub_font_get_ascent (fixed); + grub_font_draw_string ("The quick brown fox jumped over the lazy dog.", + fixed, color, 16, texty); + texty += grub_font_get_descent (fixed) + grub_font_get_leading (fixed); + + /* To convert Unicode characters into UTF-8 for this test, the following + command is useful: + echo -ne '\x00\x00\x26\x3A' | iconv -f UTF-32BE -t UTF-8 | od -t x1 + This converts the Unicode character U+263A to UTF-8. */ + + /* Characters used: + Code point Description UTF-8 encoding + ----------- ------------------------------ -------------- + U+263A unfilled smiley face E2 98 BA + U+00A1 inverted exclamation point C2 A1 + U+00A3 British pound currency symbol C2 A3 + U+03C4 Greek tau CF 84 + U+00E4 lowercase letter a with umlaut C3 A4 + U+2124 set 'Z' symbol (integers) E2 84 A4 + U+2286 subset symbol E2 8A 86 + U+211D set 'R' symbol (real numbers) E2 84 9D */ + + str = + "Unicode test: happy\xE2\x98\xBA \xC2\xA3 5.00" + " \xC2\xA1\xCF\x84\xC3\xA4u! " + " \xE2\x84\xA4\xE2\x8A\x86\xE2\x84\x9D"; + color = grub_video_map_rgb (128, 128, 255); + + /* All characters in the string exist in the 'Fixed 20' (10x20) font. */ + texty += grub_font_get_ascent(fixed); + grub_font_draw_string (str, fixed, color, 16, texty); + texty += grub_font_get_descent (fixed) + grub_font_get_leading (fixed); + + texty += grub_font_get_ascent(sansbig); + grub_font_draw_string (str, sansbig, color, 16, texty); + texty += grub_font_get_descent (sansbig) + grub_font_get_leading (sansbig); + + texty += grub_font_get_ascent(sans); + grub_font_draw_string (str, sans, color, 16, texty); + texty += grub_font_get_descent (sans) + grub_font_get_leading (sans); + + texty += grub_font_get_ascent(sanssmall); + grub_font_draw_string (str, sanssmall, color, 16, texty); + texty += (grub_font_get_descent (sanssmall) + + grub_font_get_leading (sanssmall)); + + glyph = grub_font_get_glyph (fixed, '*'); + + for (i = 0; i < 16; i++) + { + color = grub_video_map_color (i); + palette[i] = color; + grub_font_draw_glyph (glyph, color, 16 + i * 16, 220); + } + } + + grub_video_set_active_render_target (GRUB_VIDEO_RENDER_TARGET_DISPLAY); + + for (i = 0; i < 5; i++) + { + + if (i == 0 || i == 1) + { + color = grub_video_map_rgb (0, 0, 0); + grub_video_fill_rect (color, 0, 0, width, height); + + color = grub_video_map_rgb (255, 0, 0); + grub_video_fill_rect (color, 0, 0, 100, 100); + + color = grub_video_map_rgb (0, 255, 0); + grub_video_fill_rect (color, 100, 0, 100, 100); + + color = grub_video_map_rgb (0, 0, 255); + grub_video_fill_rect (color, 200, 0, 100, 100); + + color = grub_video_map_rgb (0, 255, 255); + grub_video_fill_rect (color, 0, 100, 100, 100); + + color = grub_video_map_rgb (255, 0, 255); + grub_video_fill_rect (color, 100, 100, 100, 100); + + color = grub_video_map_rgb (255, 255, 0); + grub_video_fill_rect (color, 200, 100, 100, 100); + + grub_video_set_viewport (x + 150, y + 150, + width - 150 * 2, height - 150 * 2); + color = grub_video_map_rgb (77, 33, 77); + grub_video_fill_rect (color, 0, 0, width, height); + } + + color = grub_video_map_rgb (i, 33, 77); + grub_video_fill_rect (color, 0, 0, width, height); + grub_video_blit_render_target (text_layer, GRUB_VIDEO_BLIT_BLEND, 0, 0, + 0, 0, width, height); + grub_video_swap_buffers (); + } + + grub_getkey (); + + grub_video_delete_render_target (text_layer); + + grub_video_restore (); + + for (i = 0; i < 16; i++) + grub_printf("color %d: %08x\n", i, palette[i]); + + grub_errno = GRUB_ERR_NONE; + return grub_errno; + + fail: + grub_video_delete_render_target (text_layer); + grub_video_restore (); + return grub_errno; +} + +static grub_command_t cmd; +#ifdef GRUB_MACHINE_PCBIOS +static grub_command_t cmd_vbe; +#endif + +GRUB_MOD_INIT(videotest) +{ + cmd = grub_register_command ("videotest", grub_cmd_videotest, + /* TRANSLATORS: "x" has to be entered in, + like an identifier, so please don't + use better Unicode codepoints. */ + N_("[WxH]"), + /* TRANSLATORS: Here, on the other hand, it's + nicer to use unicode cross instead of x. */ + N_("Test video subsystem in mode WxH.")); +#ifdef GRUB_MACHINE_PCBIOS + cmd_vbe = grub_register_command ("vbetest", grub_cmd_videotest, + 0, N_("Test video subsystem.")); +#endif +} + +GRUB_MOD_FINI(videotest) +{ + grub_unregister_command (cmd); +#ifdef GRUB_MACHINE_PCBIOS + grub_unregister_command (cmd_vbe); +#endif +} |