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+/*
+ 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