| /* |
| * GRUB -- GRand Unified Bootloader |
| * Copyright (C) 2006,2007,2008,2009,2013 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/term.h> |
| #include <grub/types.h> |
| #include <grub/dl.h> |
| #include <grub/misc.h> |
| #include <grub/font.h> |
| #include <grub/mm.h> |
| #include <grub/env.h> |
| #include <grub/video.h> |
| #include <grub/gfxterm.h> |
| #include <grub/bitmap.h> |
| #include <grub/command.h> |
| #include <grub/extcmd.h> |
| #include <grub/bitmap_scale.h> |
| #include <grub/i18n.h> |
| #include <grub/color.h> |
| |
| GRUB_MOD_LICENSE ("GPLv3+"); |
| |
| /* Option array indices. */ |
| enum |
| { |
| BACKGROUND_CMD_ARGINDEX_MODE = 0 |
| }; |
| |
| static const struct grub_arg_option background_image_cmd_options[] = |
| { |
| {"mode", 'm', 0, N_("Background image mode."), |
| /* TRANSLATORS: This refers to background image mode (stretched or |
| in left-top corner). Note that GRUB will accept only original |
| keywords stretch and normal, not the translated ones. |
| So please put both in translation |
| e.g. stretch(=%STRETCH%)|normal(=%NORMAL%). |
| The percents mark the translated version. Since many people |
| may not know the word stretch or normal I recommend |
| putting the translation either here or in "Background image mode." |
| string. */ |
| N_("stretch|normal"), |
| ARG_TYPE_STRING}, |
| {0, 0, 0, 0, 0, 0} |
| }; |
| |
| static grub_err_t |
| grub_gfxterm_background_image_cmd (grub_extcmd_context_t ctxt, |
| int argc, char **args) |
| { |
| struct grub_arg_list *state = ctxt->state; |
| |
| /* Check that we have video adapter active. */ |
| if (grub_video_get_info(NULL) != GRUB_ERR_NONE) |
| return grub_errno; |
| |
| /* Destroy existing background bitmap if loaded. */ |
| if (grub_gfxterm_background.bitmap) |
| { |
| grub_video_bitmap_destroy (grub_gfxterm_background.bitmap); |
| grub_gfxterm_background.bitmap = 0; |
| grub_gfxterm_background.blend_text_bg = 0; |
| |
| /* Mark whole screen as dirty. */ |
| grub_gfxterm_schedule_repaint (); |
| } |
| |
| /* If filename was provided, try to load that. */ |
| if (argc >= 1) |
| { |
| /* Try to load new one. */ |
| grub_video_bitmap_load (&grub_gfxterm_background.bitmap, args[0]); |
| if (grub_errno != GRUB_ERR_NONE) |
| return grub_errno; |
| |
| /* Determine if the bitmap should be scaled to fit the screen. */ |
| if (!state[BACKGROUND_CMD_ARGINDEX_MODE].set |
| || grub_strcmp (state[BACKGROUND_CMD_ARGINDEX_MODE].arg, |
| "stretch") == 0) |
| { |
| unsigned int width, height; |
| grub_gfxterm_get_dimensions (&width, &height); |
| if (width |
| != grub_video_bitmap_get_width (grub_gfxterm_background.bitmap) |
| || height |
| != grub_video_bitmap_get_height (grub_gfxterm_background.bitmap)) |
| { |
| struct grub_video_bitmap *scaled_bitmap; |
| grub_video_bitmap_create_scaled (&scaled_bitmap, |
| width, |
| height, |
| grub_gfxterm_background.bitmap, |
| GRUB_VIDEO_BITMAP_SCALE_METHOD_BEST); |
| if (grub_errno == GRUB_ERR_NONE) |
| { |
| /* Replace the original bitmap with the scaled one. */ |
| grub_video_bitmap_destroy (grub_gfxterm_background.bitmap); |
| grub_gfxterm_background.bitmap = scaled_bitmap; |
| } |
| } |
| } |
| |
| /* If bitmap was loaded correctly, display it. */ |
| if (grub_gfxterm_background.bitmap) |
| { |
| grub_gfxterm_background.blend_text_bg = 1; |
| |
| /* Mark whole screen as dirty. */ |
| grub_gfxterm_schedule_repaint (); |
| } |
| } |
| |
| /* All was ok. */ |
| grub_errno = GRUB_ERR_NONE; |
| return grub_errno; |
| } |
| |
| static grub_err_t |
| grub_gfxterm_background_color_cmd (grub_command_t cmd __attribute__ ((unused)), |
| int argc, char **args) |
| { |
| if (argc != 1) |
| return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("one argument expected")); |
| |
| /* Check that we have video adapter active. */ |
| if (grub_video_get_info (NULL) != GRUB_ERR_NONE) |
| return grub_errno; |
| |
| if (grub_video_parse_color (args[0], |
| &grub_gfxterm_background.default_bg_color) |
| != GRUB_ERR_NONE) |
| return grub_errno; |
| |
| /* Destroy existing background bitmap if loaded. */ |
| if (grub_gfxterm_background.bitmap) |
| { |
| grub_video_bitmap_destroy (grub_gfxterm_background.bitmap); |
| grub_gfxterm_background.bitmap = 0; |
| |
| /* Mark whole screen as dirty. */ |
| grub_gfxterm_schedule_repaint (); |
| } |
| |
| /* Set the background and border colors. The background color needs to be |
| compatible with the text layer. */ |
| grub_gfxterm_video_update_color (); |
| grub_gfxterm_background.blend_text_bg = 1; |
| |
| /* Mark whole screen as dirty. */ |
| grub_gfxterm_schedule_repaint (); |
| |
| return GRUB_ERR_NONE; |
| } |
| |
| static grub_extcmd_t background_image_cmd_handle; |
| static grub_command_t background_color_cmd_handle; |
| |
| GRUB_MOD_INIT(gfxterm_background) |
| { |
| background_image_cmd_handle = |
| grub_register_extcmd ("background_image", |
| grub_gfxterm_background_image_cmd, 0, |
| N_("[-m (stretch|normal)] FILE"), |
| N_("Load background image for active terminal."), |
| background_image_cmd_options); |
| background_color_cmd_handle = |
| grub_register_command ("background_color", |
| grub_gfxterm_background_color_cmd, |
| N_("COLOR"), |
| N_("Set background color for active terminal.")); |
| } |
| |
| GRUB_MOD_FINI(gfxterm_background) |
| { |
| grub_unregister_command (background_color_cmd_handle); |
| grub_unregister_extcmd (background_image_cmd_handle); |
| } |
