lbm2bin

annotate src/image.h @ 0:bfd8aa2ca393

initial commit
author John Tsiombikas <nuclear@member.fsf.org>
date Sat, 15 Jul 2017 13:26:32 +0300
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nuclear@0 1 /*
nuclear@0 2 colcycle - color cycling image viewer
nuclear@0 3 Copyright (C) 2016 John Tsiombikas <nuclear@member.fsf.org>
nuclear@0 4
nuclear@0 5 This program is free software: you can redistribute it and/or modify
nuclear@0 6 it under the terms of the GNU General Public License as published by
nuclear@0 7 the Free Software Foundation, either version 3 of the License, or
nuclear@0 8 (at your option) any later version.
nuclear@0 9
nuclear@0 10 This program is distributed in the hope that it will be useful,
nuclear@0 11 but WITHOUT ANY WARRANTY; without even the implied warranty of
nuclear@0 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
nuclear@0 13 GNU General Public License for more details.
nuclear@0 14
nuclear@0 15 You should have received a copy of the GNU General Public License
nuclear@0 16 along with this program. If not, see <http://www.gnu.org/licenses/>.
nuclear@0 17 */
nuclear@0 18 #ifndef IMAGE_H_
nuclear@0 19 #define IMAGE_H_
nuclear@0 20
nuclear@0 21 enum cycle_mode {
nuclear@0 22 CYCLE_NORMAL = 0,
nuclear@0 23 CYCLE_UNUSED, /* ? */
nuclear@0 24 CYCLE_REVERSE = 2,
nuclear@0 25 CYCLE_PINGPONG = 3,
nuclear@0 26 CYCLE_SINE_HALF = 4, /* sine -> [0, range/2] */
nuclear@0 27 CYCLE_SINE = 5 /* sine -> [0, range] */
nuclear@0 28 };
nuclear@0 29
nuclear@0 30 struct color {
nuclear@0 31 unsigned char r, g, b;
nuclear@0 32 };
nuclear@0 33
nuclear@0 34 struct colrange {
nuclear@0 35 int low, high;
nuclear@0 36 int cmode;
nuclear@0 37 unsigned int rate;
nuclear@0 38 struct colrange *next;
nuclear@0 39 };
nuclear@0 40
nuclear@0 41 struct image {
nuclear@0 42 int width, height;
nuclear@0 43 int bpp;
nuclear@0 44 struct color palette[256];
nuclear@0 45 struct colrange *range;
nuclear@0 46 int num_ranges;
nuclear@0 47 unsigned char *pixels;
nuclear@0 48 };
nuclear@0 49
nuclear@0 50 int gen_test_image(struct image *img);
nuclear@0 51 int load_image(struct image *img, const char *fname);
nuclear@0 52 void destroy_image(struct image *img);
nuclear@0 53
nuclear@0 54 #endif /* IMAGE_H_ */