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authorLars-Dominik Braun <lars@6xq.net>2015-05-02 21:36:31 +0200
committerLars-Dominik Braun <lars@6xq.net>2015-05-02 21:36:31 +0200
commitb2dfbdf4d9644c684c938cb2730deab66aa06d9b (patch)
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+/*
+ FLAM3 - cosmic recursive fractal flames
+ Copyright (C) 1992-2009 Spotworks LLC
+
+ 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 <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef interpolation_included
+#define interpolation_included
+
+#include "private.h"
+
+#define INTERP(x) do { result->x = 0.0; \
+ for (k = 0; k < ncp; k++) result->x += c[k] * cpi[k].x; } while(0)
+
+#define INTERI(x) do { double tt = 0.0; \
+ for (k = 0; k < ncp; k++) tt += c[k] * cpi[k].x; \
+ result->x = (int)rint(tt); } while(0)
+
+double adjust_percentage(double in);
+double motion_funcs(int funcnum, double timeval);
+
+double smoother(double t);
+double get_stagger_coef(double t, double stagger_prc, int num_xforms, int this_xform);
+
+double det_matrix(double s[2][2]);
+int id_matrix(double s[3][2]);
+int zero_matrix(double s[3][2]);
+void copy_matrix(double to[3][2], double from[3][2]);
+void clear_matrix(double m[3][2]);
+void sum_matrix(double s, double m1[3][2], double m2[3][2]);
+void mult_matrix(double s1[2][2], double s2[2][2], double d[2][2]);
+
+int compare_xforms(const void *av, const void *bv);
+
+void interpolate_cmap(flam3_palette cmap, double blend,
+ int index0, double hue0, int index1, double hue1);
+void interp_and_convert_back(double *c, int ncps, int xfi, double cxang[4][2],
+ double cxmag[4][2], double cxtrn[4][2],double store_array[3][2]);
+void convert_linear_to_polar(flam3_genome *cp, int ncps, int xfi, int cflag,
+ double cxang[4][2], double cxmag[4][2], double cxtrn[4][2]);
+
+void interpolate_catmull_rom(flam3_genome cps[], double t, flam3_genome *result);
+void flam3_interpolate_n(flam3_genome *result, int ncp, flam3_genome *cpi, double *c, double stagger);
+void establish_asymmetric_refangles(flam3_genome *cp, int ncps);
+void flam3_align(flam3_genome *dst, flam3_genome *src, int nsrc);
+#endif