From 6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 18:29:51 +0200 Subject: Adding upstream version 2.06. Signed-off-by: Daniel Baumann --- include/grub/bitmap_scale.h | 85 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 include/grub/bitmap_scale.h (limited to 'include/grub/bitmap_scale.h') diff --git a/include/grub/bitmap_scale.h b/include/grub/bitmap_scale.h new file mode 100644 index 0000000..927a7cb --- /dev/null +++ b/include/grub/bitmap_scale.h @@ -0,0 +1,85 @@ +/* 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 . + */ + +#ifndef GRUB_BITMAP_SCALE_HEADER +#define GRUB_BITMAP_SCALE_HEADER 1 + +#include +#include +#include + +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 +}; + +typedef enum grub_video_bitmap_selection_method +{ + GRUB_VIDEO_BITMAP_SELECTION_METHOD_STRETCH, + GRUB_VIDEO_BITMAP_SELECTION_METHOD_CROP, + GRUB_VIDEO_BITMAP_SELECTION_METHOD_PADDING, + GRUB_VIDEO_BITMAP_SELECTION_METHOD_FITWIDTH, + GRUB_VIDEO_BITMAP_SELECTION_METHOD_FITHEIGHT +} grub_video_bitmap_selection_method_t; + +typedef enum grub_video_bitmap_v_align +{ + GRUB_VIDEO_BITMAP_V_ALIGN_TOP, + GRUB_VIDEO_BITMAP_V_ALIGN_CENTER, + GRUB_VIDEO_BITMAP_V_ALIGN_BOTTOM +} grub_video_bitmap_v_align_t; + +typedef enum grub_video_bitmap_h_align +{ + GRUB_VIDEO_BITMAP_H_ALIGN_LEFT, + GRUB_VIDEO_BITMAP_H_ALIGN_CENTER, + GRUB_VIDEO_BITMAP_H_ALIGN_RIGHT +} grub_video_bitmap_h_align_t; + +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); + +grub_err_t +EXPORT_FUNC (grub_video_bitmap_scale_proportional) + (struct grub_video_bitmap **dst, + int dst_width, int dst_height, + struct grub_video_bitmap *src, + enum grub_video_bitmap_scale_method + scale_method, + grub_video_bitmap_selection_method_t + selection_method, + grub_video_bitmap_v_align_t v_align, + grub_video_bitmap_h_align_t h_align); + + +#endif /* ! GRUB_BITMAP_SCALE_HEADER */ -- cgit v1.2.3