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(redraw_screen_rect): Allow blend/replace of text layer to be

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controlled independently from whether there is a background bitmap.
(grub_gfxterm_fullscreen): Change blend_text_bg when changing
bitmap.
(destroy_window): Likewise.
(grub_gfxterm_background_image_cmd): Likewise.
This commit is contained in:
Colin Watson 2010-12-14 12:28:36 +00:00
parent 198cae0c96
commit 159b4a8bb7
2 changed files with 28 additions and 33 deletions
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6
ChangeLog.parse-color
View file

@ -39,6 +39,12 @@
function.
(GRUB_MOD_INIT): Register background_color command.
(GRUB_MOD_FINI): Unregister background_color command.
(redraw_screen_rect): Allow blend/replace of text layer to be
controlled independently from whether there is a background bitmap.
(grub_gfxterm_fullscreen): Change blend_text_bg when changing
bitmap.
(destroy_window): Likewise.
(grub_gfxterm_background_image_cmd): Likewise.
Fix border repainting.

55
grub-core/term/gfxterm.c
View file

@ -128,6 +128,7 @@ static struct grub_video_render_target *text_layer;
static unsigned int bitmap_width;
static unsigned int bitmap_height;
static struct grub_video_bitmap *bitmap;
static int blend_text_bg;
static struct grub_dirty_region dirty_region;
@ -344,6 +345,7 @@ grub_gfxterm_fullscreen (void)
grub_video_fill_rect (color, 0, 0, mode_info.width, mode_info.height);
}
bitmap = 0;
blend_text_bg = 0;
/* Select the font to use. */
font_name = grub_env_get ("gfxterm_font");
@ -396,6 +398,7 @@ destroy_window (void)
{
grub_video_bitmap_destroy (bitmap);
bitmap = 0;
blend_text_bg = 0;
}
repaint_callback = 0;
@ -481,26 +484,27 @@ redraw_screen_rect (unsigned int x, unsigned int y,
/* Render background layer. */
grub_video_fill_rect (color, x, ty, width, h);
}
/* Render text layer as blended. */
grub_video_blit_render_target (text_layer, GRUB_VIDEO_BLIT_BLEND, x, y,
x - virtual_screen.offset_x,
y - virtual_screen.offset_y,
width, height);
}
else
{
/* Render background layer. */
color = virtual_screen.bg_color_display;
grub_video_fill_rect (color, x, y, width, height);
/* Render text layer as replaced (to get texts background color). */
grub_video_blit_render_target (text_layer, GRUB_VIDEO_BLIT_REPLACE, x, y,
x - virtual_screen.offset_x,
y - virtual_screen.offset_y,
width, height);
}
if (blend_text_bg)
/* Render text layer as blended. */
grub_video_blit_render_target (text_layer, GRUB_VIDEO_BLIT_BLEND, x, y,
x - virtual_screen.offset_x,
y - virtual_screen.offset_y,
width, height);
else
/* Render text layer as replaced (to get texts background color). */
grub_video_blit_render_target (text_layer, GRUB_VIDEO_BLIT_REPLACE, x, y,
x - virtual_screen.offset_x,
y - virtual_screen.offset_y,
width, height);
/* Restore saved viewport. */
grub_video_set_viewport (saved_view.x, saved_view.y,
saved_view.width, saved_view.height);
@ -1137,6 +1141,7 @@ grub_gfxterm_background_image_cmd (grub_extcmd_context_t ctxt,
{
grub_video_bitmap_destroy (bitmap);
bitmap = 0;
blend_text_bg = 0;
/* Mark whole screen as dirty. */
dirty_region_add (0, 0, window.width, window.height);
@ -1169,6 +1174,7 @@ grub_gfxterm_background_image_cmd (grub_extcmd_context_t ctxt,
/* Replace the original bitmap with the scaled one. */
grub_video_bitmap_destroy (bitmap);
bitmap = scaled_bitmap;
blend_text_bg = 1;
}
}
}
@ -1195,8 +1201,6 @@ 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");
@ -1218,25 +1222,10 @@ grub_gfxterm_background_color_cmd (grub_command_t cmd __attribute__ ((unused)),
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);
/* Set the background and border colors. */
virtual_screen.bg_color = grub_video_map_rgba_color (color);
virtual_screen.bg_color_display = virtual_screen.bg_color;
blend_text_bg = 1;
/* Mark whole screen as dirty. */
dirty_region_add (0, 0, window.width, window.height);