| /* 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( IMAGE *in, IMAGE *out ); |
| int im_invfft( IMAGE *in, IMAGE *out ); |
| int im_invfftr( IMAGE *in, IMAGE *out ); |
| |
| int im_freqflt( IMAGE *in, IMAGE *mask, IMAGE *out ); |
| int im_disp_ps( IMAGE *in, IMAGE *out ); |
| int im_rotquad( IMAGE *in, IMAGE *out ); |
| int im_phasecor_fft( IMAGE *in1, IMAGE *in2, IMAGE *out ); |
| |
| int im_flt_image_freq( IMAGE *in, IMAGE *out, VipsMaskType flag, ... ); |
| int im_create_fmask( IMAGE *out, int xsize, int ysize, VipsMaskType flag, ... ); |
| int im_fractsurf( IMAGE *out, int size, double frd ); |
| |
| #ifdef __cplusplus |
| } |
| #endif /*__cplusplus*/ |
| |
| #endif /*IM_FREQ_H*/ |