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Add a background_color command.

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* grub-core/term/gfxterm.c (grub_gfxterm_background_color_cmd): New
function.
(GRUB_MOD_INIT): Register background_color command.
(GRUB_MOD_FINI): Unregister background_color command.
This commit is contained in:
Colin Watson 2010-12-10 17:47:38 +00:00
parent 52832c554c
commit 9c55cbe8e7
2 changed files with 70 additions and 0 deletions
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7
ChangeLog.parse-color
View file

@ -32,3 +32,10 @@
(gfxmenu): Remove gfxmenu/named_colors.c.
(video_colors) [videomodules]: New module, containing
video/colors.c.
Add a background_color command.
* grub-core/term/gfxterm.c (grub_gfxterm_background_color_cmd): New
function.
(GRUB_MOD_INIT): Register background_color command.
(GRUB_MOD_FINI): Unregister background_color command.

63
grub-core/term/gfxterm.c
View file

@ -1180,6 +1180,62 @@ grub_gfxterm_background_image_cmd (grub_extcmd_context_t ctxt,
return grub_errno;
}
static grub_err_t
grub_gfxterm_background_color_cmd (grub_command_t cmd __attribute__ ((unused)),
int argc, char **args)
{
grub_video_rgba_color_t color;
grub_uint8_t *data;
unsigned int i;
if (argc != 1)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "missing operand");
/* 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], &color) != GRUB_ERR_NONE)
return grub_errno;
/* Destroy existing background bitmap if loaded. */
if (bitmap)
{
grub_video_bitmap_destroy (bitmap);
bitmap = 0;
/* Mark whole screen as dirty. */
dirty_region_add (0, 0, window.width, window.height);
}
/* Create a filled bitmap so that we get suitable text blending. */
grub_video_bitmap_create (&bitmap, window.width, window.height,
GRUB_VIDEO_BLIT_FORMAT_RGB_888);
if (grub_errno != GRUB_ERR_NONE)
return grub_errno;
data = bitmap->data;
for (i = 0; i < window.height * window.width; i++)
{
*data++ = color.red;
*data++ = color.green;
*data++ = color.blue;
}
bitmap_width = window.width;
bitmap_height = window.height;
/* Set the border color. */
virtual_screen.bg_color_display = grub_video_map_rgba_color (color);
/* Mark whole screen as dirty. */
dirty_region_add (0, 0, window.width, window.height);
/* All was ok. */
grub_errno = GRUB_ERR_NONE;
return grub_errno;
}
static struct grub_term_output grub_video_term =
{
.name = "gfxterm",
@ -1201,6 +1257,7 @@ static struct grub_term_output grub_video_term =
};
static grub_extcmd_t background_image_cmd_handle;
static grub_command_t background_color_cmd_handle;
GRUB_MOD_INIT(gfxterm)
{
@ -1211,10 +1268,16 @@ GRUB_MOD_INIT(gfxterm)
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)
{
grub_unregister_command (background_color_cmd_handle);
grub_unregister_extcmd (background_image_cmd_handle);
grub_term_unregister_output (&grub_video_term);
}