diff options
Diffstat (limited to 'include/grub/bitmap_scale.h')
| -rw-r--r-- | include/grub/bitmap_scale.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/include/grub/bitmap_scale.h b/include/grub/bitmap_scale.h new file mode 100644 index 0000000..dce9fbb --- /dev/null +++ b/include/grub/bitmap_scale.h @@ -0,0 +1,49 @@ +/* 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 +EXPORT_FUNC (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 */ |