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Reimported scaling

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2009-11-20 10:46:30 +01:00
parent 927d0134c7
commit a9d407a81e
8 changed files with 490 additions and 26 deletions
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53
term/gfxterm.c
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@ -26,6 +26,8 @@
#include <grub/video.h>
#include <grub/bitmap.h>
#include <grub/command.h>
#include <grub/extcmd.h>
#include <grub/bitmap_scale.h>
#define DEFAULT_VIDEO_MODE "auto"
#define DEFAULT_BORDER_WIDTH 10
@ -909,11 +911,23 @@ grub_gfxterm_refresh (void)
dirty_region_reset ();
}
/* Option array indices. */
#define BACKGROUND_CMD_ARGINDEX_MODE 0
static const struct grub_arg_option background_image_cmd_options[] =
{
{"mode", 'm', 0, "Background image mode.", "stretch|normal",
ARG_TYPE_STRING},
{0, 0, 0, 0, 0, 0}
};
static grub_err_t
grub_gfxterm_background_image_cmd (grub_command_t cmd __attribute__ ((unused)),
grub_gfxterm_background_image_cmd (grub_extcmd_t cmd __attribute__ ((unused)),
int argc,
char **args)
{
struct grub_arg_list *state = cmd->state;
/* Check that we have video adapter active. */
if (grub_video_get_info(NULL) != GRUB_ERR_NONE)
return grub_errno;
@ -937,6 +951,29 @@ grub_gfxterm_background_image_cmd (grub_command_t cmd __attribute__ ((unused)),
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)
{
if (mode_info.width != grub_video_bitmap_get_width (bitmap)
|| mode_info.height != grub_video_bitmap_get_height (bitmap))
{
struct grub_video_bitmap *scaled_bitmap;
grub_video_bitmap_create_scaled (&scaled_bitmap,
mode_info.width,
mode_info.height,
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 (bitmap);
bitmap = scaled_bitmap;
}
}
}
/* If bitmap was loaded correctly, display it. */
if (bitmap)
{
@ -975,18 +1012,22 @@ static struct grub_term_output grub_video_term =
.next = 0
};
static grub_command_t cmd;
static grub_extcmd_t background_image_cmd_handle;
GRUB_MOD_INIT(term_gfxterm)
{
grub_term_register_output ("gfxterm", &grub_video_term);
cmd = grub_register_command ("background_image",
grub_gfxterm_background_image_cmd,
0, "Load background image for active terminal");
background_image_cmd_handle =
grub_register_extcmd ("background_image",
grub_gfxterm_background_image_cmd,
GRUB_COMMAND_FLAG_BOTH,
"background_image [-m (stretch|normal)] FILE",
"Load background image for active terminal.",
background_image_cmd_options);
}
GRUB_MOD_FINI(term_gfxterm)
{
grub_unregister_command (cmd);
grub_unregister_extcmd (background_image_cmd_handle);
grub_term_unregister_output (&grub_video_term);
}