/* FIXME: Previously 't' changed to text menu is it necessary? */ static grub_err_t grub_gfxmenu_try (int entry, grub_menu_t menu, int nested) { grub_gfxmenu_view_t view = NULL; const char *theme_path; struct grub_menu_viewer *instance; grub_err_t err; struct grub_video_mode_info mode_info; theme_path = grub_env_get ("theme"); if (! theme_path) return grub_error (GRUB_ERR_FILE_NOT_FOUND, N_("variable `%s' isn't set"), "theme"); instance = grub_zalloc (sizeof (*instance)); if (!instance) return grub_errno; err = grub_video_get_info (&mode_info); if (err) return err; if (!cached_view || grub_strcmp (cached_view->theme_path, theme_path) != 0 || cached_view->screen.width != mode_info.width || cached_view->screen.height != mode_info.height) { grub_free (cached_view); /* Create the view. */ cached_view = grub_gfxmenu_view_new (theme_path, mode_info.width, mode_info.height); } if (! cached_view) { grub_free (instance); return grub_errno; } view = cached_view; view->double_repaint = (mode_info.mode_type & GRUB_VIDEO_MODE_TYPE_DOUBLE_BUFFERED) && !(mode_info.mode_type & GRUB_VIDEO_MODE_TYPE_UPDATING_SWAP); view->selected = entry; view->menu = menu; view->nested = nested; view->first_timeout = -1; grub_video_set_viewport (0, 0, mode_info.width, mode_info.height); if (view->double_repaint) { grub_video_swap_buffers (); grub_video_set_viewport (0, 0, mode_info.width, mode_info.height); } grub_gfxmenu_view_draw (view); instance->data = view; instance->set_chosen_entry = grub_gfxmenu_set_chosen_entry; instance->fini = grub_gfxmenu_viewer_fini; instance->print_timeout = grub_gfxmenu_print_timeout; instance->clear_timeout = grub_gfxmenu_clear_timeout; grub_menu_register_viewer (instance); return GRUB_ERR_NONE; }
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; grub_video_create_render_target (&text_layer, width, height, GRUB_VIDEO_MODE_TYPE_RGB | GRUB_VIDEO_MODE_TYPE_ALPHA); 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+2287 subset symbol E2 8A 87 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\x87\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 < 2; i++) { 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, 255); grub_video_fill_rect (color, 100, 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); grub_video_swap_buffers (); } for (i = 0; i < 5; i++) { 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; }