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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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48
include/grub/bitmap_scale.h Normal file
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@ -0,0 +1,48 @@
/* bitmap_scale.h - Bitmap scaling functions. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008,2009 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/>.
*/
#ifndef GRUB_BITMAP_SCALE_HEADER
#define GRUB_BITMAP_SCALE_HEADER 1
#include <grub/err.h>
#include <grub/types.h>
#include <grub/bitmap_scale.h>
enum grub_video_bitmap_scale_method
{
/* Choose the fastest interpolation algorithm. */
GRUB_VIDEO_BITMAP_SCALE_METHOD_FASTEST,
/* Choose the highest quality interpolation algorithm. */
GRUB_VIDEO_BITMAP_SCALE_METHOD_BEST,
/* Specific algorithms: */
/* Nearest neighbor interpolation. */
GRUB_VIDEO_BITMAP_SCALE_METHOD_NEAREST,
/* Bilinear interpolation. */
GRUB_VIDEO_BITMAP_SCALE_METHOD_BILINEAR
};
grub_err_t
grub_video_bitmap_create_scaled (struct grub_video_bitmap **dst,
int dst_width, int dst_height,
struct grub_video_bitmap *src,
enum
grub_video_bitmap_scale_method scale_method);
#endif /* ! GRUB_BITMAP_SCALE_HEADER */

3
include/grub/xnu.h
View file

@ -104,4 +104,7 @@ extern grub_uint32_t grub_xnu_heap_real_start;
extern grub_size_t grub_xnu_heap_size;
extern char *grub_xnu_heap_start;
extern struct grub_video_bitmap *grub_xnu_bitmap;
typedef enum {GRUB_XNU_BITMAP_CENTER, GRUB_XNU_BITMAP_STRETCH}
grub_xnu_bitmap_mode_t;
extern grub_xnu_bitmap_mode_t grub_xnu_bitmap_mode;
#endif