1 /* 2 * Common image-related functions. 3 * 4 * Copyright (C) 2018 Paul Boddie <paul@boddie.org.uk> 5 * 6 * This program 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. 10 * 11 * This program 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. 15 * 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/>. 18 */ 19 20 #ifndef __IMAGE_H__ 21 #define __IMAGE_H__ 22 23 #include <stdint.h> 24 25 26 27 /* Image data type. */ 28 29 typedef struct 30 { 31 /* Image width and height. */ 32 33 uint32_t width, height; 34 35 /* Image data. */ 36 37 uint8_t image[]; 38 39 } image_t; 40 41 /* Stored display regions. */ 42 43 typedef struct 44 { 45 /* Stored region overplotted by the sprite. */ 46 47 uint8_t *image; 48 int stored; 49 50 /* Position of the stored region. */ 51 52 int x, y; 53 54 } stored_region_t; 55 56 57 58 /* Initialise the stored regions. */ 59 60 void init_stored_regions(stored_region_t *r, int frames, 61 uint8_t *regions, uint32_t region_size); 62 63 #endif /* __IMAGE_H__ */