50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
/* bitmap_scale.h - Bitmap scaling functions. */
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2008,2009 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GRUB_BITMAP_SCALE_HEADER
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#define GRUB_BITMAP_SCALE_HEADER 1
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#include <grub/err.h>
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#include <grub/types.h>
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#include <grub/bitmap_scale.h>
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enum grub_video_bitmap_scale_method
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{
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/* Choose the fastest interpolation algorithm. */
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GRUB_VIDEO_BITMAP_SCALE_METHOD_FASTEST,
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/* Choose the highest quality interpolation algorithm. */
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GRUB_VIDEO_BITMAP_SCALE_METHOD_BEST,
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/* Specific algorithms: */
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/* Nearest neighbor interpolation. */
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GRUB_VIDEO_BITMAP_SCALE_METHOD_NEAREST,
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/* Bilinear interpolation. */
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GRUB_VIDEO_BITMAP_SCALE_METHOD_BILINEAR
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};
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grub_err_t
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EXPORT_FUNC (grub_video_bitmap_create_scaled) (struct grub_video_bitmap **dst,
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int dst_width, int dst_height,
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struct grub_video_bitmap *src,
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enum
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grub_video_bitmap_scale_method
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scale_method);
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#endif /* ! GRUB_BITMAP_SCALE_HEADER */
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