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59 lines
2.4 KiB
C
59 lines
2.4 KiB
C
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/*
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FLAM3 - cosmic recursive fractal flames
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Copyright (C) 1992-2009 Spotworks LLC
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef interpolation_included
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#define interpolation_included
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#include "private.h"
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#define INTERP(x) do { result->x = 0.0; \
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for (k = 0; k < ncp; k++) result->x += c[k] * cpi[k].x; } while(0)
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#define INTERI(x) do { double tt = 0.0; \
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for (k = 0; k < ncp; k++) tt += c[k] * cpi[k].x; \
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result->x = (int)rint(tt); } while(0)
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double adjust_percentage(double in);
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double motion_funcs(int funcnum, double timeval);
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double smoother(double t);
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double get_stagger_coef(double t, double stagger_prc, int num_xforms, int this_xform);
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double det_matrix(double s[2][2]);
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int id_matrix(double s[3][2]);
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int zero_matrix(double s[3][2]);
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void copy_matrix(double to[3][2], double from[3][2]);
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void clear_matrix(double m[3][2]);
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void sum_matrix(double s, double m1[3][2], double m2[3][2]);
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void mult_matrix(double s1[2][2], double s2[2][2], double d[2][2]);
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int compare_xforms(const void *av, const void *bv);
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void interpolate_cmap(flam3_palette cmap, double blend,
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int index0, double hue0, int index1, double hue1);
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void interp_and_convert_back(double *c, int ncps, int xfi, double cxang[4][2],
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double cxmag[4][2], double cxtrn[4][2],double store_array[3][2]);
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void convert_linear_to_polar(flam3_genome *cp, int ncps, int xfi, int cflag,
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double cxang[4][2], double cxmag[4][2], double cxtrn[4][2]);
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void interpolate_catmull_rom(flam3_genome cps[], double t, flam3_genome *result);
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void flam3_interpolate_n(flam3_genome *result, int ncp, flam3_genome *cpi, double *c, double stagger);
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void establish_asymmetric_refangles(flam3_genome *cp, int ncps);
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void flam3_align(flam3_genome *dst, flam3_genome *src, int nsrc);
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#endif
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