From b2dfbdf4d9644c684c938cb2730deab66aa06d9b Mon Sep 17 00:00:00 2001 From: Lars-Dominik Braun Date: Sat, 2 May 2015 21:36:31 +0200 Subject: Move out of subdir --- interpolation.h | 58 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 interpolation.h (limited to 'interpolation.h') diff --git a/interpolation.h b/interpolation.h new file mode 100644 index 0000000..82d3133 --- /dev/null +++ b/interpolation.h @@ -0,0 +1,58 @@ +/* + 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 . +*/ + +#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 -- cgit v1.2.3