/usr/include/gwyddion/libprocess/filters.h is in libgwyddion20-dev 2.44-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* @(#) $Id: filters.h 17582 2015-10-17 18:10:29Z yeti-dn $
* Copyright (C) 2003-2014 David Necas (Yeti), Petr Klapetek.
* E-mail: yeti@gwyddion.net, klapetek@gwyddion.net.
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GWY_PROCESS_FILTERS_H__
#define __GWY_PROCESS_FILTERS_H__
#include <libprocess/datafield.h>
G_BEGIN_DECLS
void gwy_data_field_normalize (GwyDataField *data_field);
void gwy_data_field_renormalize (GwyDataField *data_field,
gdouble range,
gdouble offset);
gint gwy_data_field_threshold (GwyDataField *data_field,
gdouble threshval,
gdouble bottom,
gdouble top);
gint gwy_data_field_area_threshold (GwyDataField *data_field,
gint col,
gint row,
gint width,
gint height,
gdouble threshval,
gdouble bottom,
gdouble top);
gint gwy_data_field_clamp (GwyDataField *data_field,
gdouble bottom,
gdouble top);
gint gwy_data_field_area_clamp (GwyDataField *data_field,
gint col,
gint row,
gint width,
gint height,
gdouble bottom,
gdouble top);
void gwy_data_field_area_gather (GwyDataField *data_field,
GwyDataField *result,
GwyDataField *buffer,
gint hsize,
gint vsize,
gboolean average,
gint col,
gint row,
gint width,
gint height);
void gwy_data_field_convolve (GwyDataField *data_field,
GwyDataField *kernel_field);
void gwy_data_field_area_convolve (GwyDataField *data_field,
GwyDataField *kernel_field,
gint col,
gint row,
gint width,
gint height);
void gwy_data_field_convolve_1d (GwyDataField *data_field,
GwyDataLine *kernel_line,
GwyOrientation orientation);
void gwy_data_field_area_convolve_1d (GwyDataField *data_field,
GwyDataLine *kernel_line,
GwyOrientation orientation,
gint col,
gint row,
gint width,
gint height);
void gwy_data_field_filter_median (GwyDataField *data_field,
gint size);
void gwy_data_field_area_filter_median (GwyDataField *data_field,
gint size,
gint col,
gint row,
gint width,
gint height);
void gwy_data_field_filter_mean (GwyDataField *data_field,
gint size);
void gwy_data_field_area_filter_mean (GwyDataField *data_field,
gint size,
gint col,
gint row,
gint width,
gint height);
void gwy_data_field_filter_conservative (GwyDataField *data_field,
gint size);
void gwy_data_field_area_filter_conservative (GwyDataField *data_field,
gint size,
gint col,
gint row,
gint width,
gint height);
void gwy_data_field_filter_laplacian (GwyDataField *data_field);
void gwy_data_field_area_filter_laplacian (GwyDataField *data_field,
gint col,
gint row,
gint width,
gint height);
void gwy_data_field_filter_laplacian_of_gaussians (GwyDataField *data_field);
void gwy_data_field_area_filter_laplacian_of_gaussians(GwyDataField *data_field,
gint col,
gint row,
gint width,
gint height);
void gwy_data_field_filter_sobel (GwyDataField *data_field,
GwyOrientation orientation);
void gwy_data_field_area_filter_sobel (GwyDataField *data_field,
GwyOrientation orientation,
gint col,
gint row,
gint width,
gint height);
void gwy_data_field_filter_sobel_total (GwyDataField *data_field);
void gwy_data_field_filter_prewitt (GwyDataField *data_field,
GwyOrientation orientation);
void gwy_data_field_area_filter_prewitt (GwyDataField *data_field,
GwyOrientation orientation,
gint col,
gint row,
gint width,
gint height);
void gwy_data_field_filter_prewitt_total (GwyDataField *data_field);
void gwy_data_field_filter_slope (GwyDataField *data_field,
GwyDataField *xder,
GwyDataField *yder);
void gwy_data_field_filter_dechecker (GwyDataField *data_field);
void gwy_data_field_area_filter_dechecker (GwyDataField *data_field,
gint col,
gint row,
gint width,
gint height);
void gwy_data_field_filter_gaussian (GwyDataField *data_field,
gdouble sigma);
void gwy_data_field_area_filter_gaussian (GwyDataField *data_field,
gdouble sigma,
gint col,
gint row,
gint width,
gint height);
void gwy_data_field_filter_minimum (GwyDataField *data_field,
gint size);
void gwy_data_field_area_filter_minimum (GwyDataField *data_field,
gint size,
gint col,
gint row,
gint width,
gint height);
void gwy_data_field_filter_maximum (GwyDataField *data_field,
gint size);
void gwy_data_field_area_filter_maximum (GwyDataField *data_field,
gint size,
gint col,
gint row,
gint width,
gint height);
void gwy_data_field_area_filter_min_max (GwyDataField *data_field,
GwyDataField *kernel,
GwyMinMaxFilterType filtertype,
gint col,
gint row,
gint width,
gint height);
void gwy_data_field_area_filter_disc_asf (GwyDataField *data_field,
gint radius,
gboolean closing,
gint col,
gint row,
gint width,
gint height);
void gwy_data_field_filter_rms (GwyDataField *data_field,
gint size);
void gwy_data_field_area_filter_rms (GwyDataField *data_field,
gint size,
gint col,
gint row,
gint width,
gint height);
void gwy_data_field_filter_kuwahara (GwyDataField *data_field);
void gwy_data_field_area_filter_kuwahara (GwyDataField *data_field,
gint col,
gint row,
gint width,
gint height);
void gwy_data_field_filter_canny (GwyDataField *data_field,
gdouble threshold);
void gwy_data_field_shade (GwyDataField *data_field,
GwyDataField *target_field,
gdouble theta,
gdouble phi);
void gwy_data_field_filter_harris (GwyDataField *x_gradient,
GwyDataField *y_gradient,
GwyDataField *result,
gint neighbourhood,
gdouble alpha);
G_END_DECLS
#endif /* __GWY_PROCESS_FILTERS__ */
/* vim: set cin et ts=4 sw=4 cino=>1s,e0,n0,f0,{0,}0,^0,\:1s,=0,g1s,h0,t0,+1s,c3,(0,u0 : */
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