1 /* Project 16 Source Code~
2 * Copyright (C) 2012-2015 sparky4 & pngwen & andrius4669
4 * This file is part of Project 16.
6 * Project 16 is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3 of the License, or
9 * (at your option) any later version.
11 * Project 16 is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>, or
18 * write to the Free Software Foundation, Inc., 51 Franklin Street,
19 * Fifth Floor, Boston, MA 02110-1301 USA.
23 * Functions and types for a planar image buffer.
24 * This is meant to be able to load into video memory faster.
26 #include "src/lib/bitmap.h"
31 byte *plane[4]; /* 4 planes of image data */
32 word width; /* width of the image (spread across 4 planes) */
33 word height; /* height of the image (spread across 4 planes) */
34 word pwidth; /* the number of bytes in each plane */
38 /* creates a planar buffer from the bitmap data.
39 The planar buffer is dynamically allocated, and should
40 be destroyed with the planar_buf_free function when no longer
43 planar_buf_t *planar_buf_from_bitmap(bitmap_t *b);
46 /* allocates a planar buffer with specified dimensions */
47 planar_buf_t *planar_buf_alloc(word width, word height);
50 /* deallocates a planar buffer */
51 void planar_buf_free(planar_buf_t *p);