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/* Copyright (c) 2021 Ben Fuller
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
struct rgb {
double r, g, b;
};
struct imgdata {
double width, height;
int ny, nx; /* number of columns and rows */
struct rgb a, i, b; /* RGB for active, inactive, background pixels */
};
int alive(int x, int y, short *cells, int nx, int ny);
int evolve(short *cells, int nx, int ny);
int neighbours(int x, int y, short *cells, int nx, int ny);
#ifdef __TEST_VERBOSE
int verbose_neighbours(int x, int y, short *cells, int nx, int ny);
#endif
/* cells[i][j] should match i = img->ny, j = img->nx */
int png(struct imgdata *img, short *cells, char *fname);
void randomize(short *cells, int nx, int ny);
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