1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/include/image.h Sat Nov 10 17:03:17 2018 +0100
1.3 @@ -0,0 +1,63 @@
1.4 +/*
1.5 + * Common image-related functions.
1.6 + *
1.7 + * Copyright (C) 2018 Paul Boddie <paul@boddie.org.uk>
1.8 + *
1.9 + * This program is free software: you can redistribute it and/or modify
1.10 + * it under the terms of the GNU General Public License as published by
1.11 + * the Free Software Foundation, either version 3 of the License, or
1.12 + * (at your option) any later version.
1.13 + *
1.14 + * This program is distributed in the hope that it will be useful,
1.15 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.16 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.17 + * GNU General Public License for more details.
1.18 + *
1.19 + * You should have received a copy of the GNU General Public License
1.20 + * along with this program. If not, see <http://www.gnu.org/licenses/>.
1.21 + */
1.22 +
1.23 +#ifndef __IMAGE_H__
1.24 +#define __IMAGE_H__
1.25 +
1.26 +#include <stdint.h>
1.27 +
1.28 +
1.29 +
1.30 +/* Image data type. */
1.31 +
1.32 +typedef struct
1.33 +{
1.34 + /* Image width and height. */
1.35 +
1.36 + uint32_t width, height;
1.37 +
1.38 + /* Image data. */
1.39 +
1.40 + uint8_t image[];
1.41 +
1.42 +} image_t;
1.43 +
1.44 +/* Stored display regions. */
1.45 +
1.46 +typedef struct
1.47 +{
1.48 + /* Stored region overplotted by the sprite. */
1.49 +
1.50 + uint8_t *image;
1.51 + int stored;
1.52 +
1.53 + /* Position of the stored region. */
1.54 +
1.55 + int x, y;
1.56 +
1.57 +} stored_region_t;
1.58 +
1.59 +
1.60 +
1.61 +/* Initialise the stored regions. */
1.62 +
1.63 +void init_stored_regions(stored_region_t *r, int frames,
1.64 + uint8_t *regions, uint32_t region_size);
1.65 +
1.66 +#endif /* __IMAGE_H__ */