PIKApp/plug-ins/flame/cmap.h

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2023-09-26 00:35:21 +02:00
/*
flame - cosmic recursive fractal flames
Copyright (C) 1992 Scott Draves <spot@cs.cmu.edu>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef cmap_included
#define cmap_included
#define cmap_random (-1)
#define vlen(x) (sizeof(x)/sizeof(*x))
typedef double clrmap[256][3];
extern void rgb2hsv(double *rgb, double *hsv);
extern void hsv2rgb(double *hsv, double *rgb);
extern int get_cmap(int n, clrmap c, int cmap_len);
#endif