/usr/include/vips/freq_filt.h is in libvips-dev 7.26.3-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 | /* freq_filt.h
*
* 2/11/09
* - from proto.h
*/
/*
This file is part of VIPS.
VIPS is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
*/
#ifndef IM_FREQ_H
#define IM_FREQ_H
#ifdef __cplusplus
extern "C" {
#endif /*__cplusplus*/
typedef enum {
VIPS_MASK_IDEAL_HIGHPASS = 0,
VIPS_MASK_IDEAL_LOWPASS = 1,
VIPS_MASK_BUTTERWORTH_HIGHPASS = 2,
VIPS_MASK_BUTTERWORTH_LOWPASS = 3,
VIPS_MASK_GAUSS_HIGHPASS = 4,
VIPS_MASK_GAUSS_LOWPASS = 5,
VIPS_MASK_IDEAL_RINGPASS = 6,
VIPS_MASK_IDEAL_RINGREJECT = 7,
VIPS_MASK_BUTTERWORTH_RINGPASS = 8,
VIPS_MASK_BUTTERWORTH_RINGREJECT = 9,
VIPS_MASK_GAUSS_RINGPASS = 10,
VIPS_MASK_GAUSS_RINGREJECT = 11,
VIPS_MASK_IDEAL_BANDPASS = 12,
VIPS_MASK_IDEAL_BANDREJECT = 13,
VIPS_MASK_BUTTERWORTH_BANDPASS = 14,
VIPS_MASK_BUTTERWORTH_BANDREJECT = 15,
VIPS_MASK_GAUSS_BANDPASS = 16,
VIPS_MASK_GAUSS_BANDREJECT = 17,
VIPS_MASK_FRACTAL_FLT = 18
} VipsMaskType;
int im_fwfft( VipsImage *in, VipsImage *out );
int im_invfft( VipsImage *in, VipsImage *out );
int im_invfftr( VipsImage *in, VipsImage *out );
int im_freqflt( VipsImage *in, VipsImage *mask, VipsImage *out );
int im_disp_ps( VipsImage *in, VipsImage *out );
int im_rotquad( VipsImage *in, VipsImage *out );
int im_phasecor_fft( VipsImage *in1, VipsImage *in2, VipsImage *out );
int im_flt_image_freq( VipsImage *in, VipsImage *out, VipsMaskType flag, ... );
int im_create_fmask( VipsImage *out,
int xsize, int ysize, VipsMaskType flag, ... );
int im_fractsurf( VipsImage *out, int size, double frd );
#ifdef __cplusplus
}
#endif /*__cplusplus*/
#endif /*IM_FREQ_H*/
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