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45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
/*
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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 filters_included
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#define filters_included
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#include "private.h"
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#define DE_THRESH 100
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typedef struct {
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int max_filtered_counts;
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int max_filter_index;
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int kernel_size;
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double *filter_widths;
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double *filter_coefs;
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} flam3_de_helper;
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extern double flam3_spatial_support[flam3_num_spatialfilters];
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double flam3_spatial_filter(int knum, double x);
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int flam3_create_spatial_filter(flam3_frame *spec, int field, double **filter);
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flam3_de_helper flam3_create_de_filters(double max_rad, double min_rad, double curve, int ss);
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double flam3_create_temporal_filter(int numsteps, int filter_type, double filter_exp, double filter_width,
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double **temporal_filter, double **temporal_deltas);
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#endif
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