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/* base class for all freqfilt operations
*/
/*
Copyright (C) 1991-2005 The National Gallery
This library 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 2.1 of the License, or (at your option) any later version.
This library 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 library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
*/
/*
These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
*/
#ifndef VIPS_PFREQFILT_H
#define VIPS_PFREQFILT_H
#ifdef __cplusplus
extern "C" {
#endif /*__cplusplus*/
/* All fftw3 calls except execute() need to be locked.
*/
extern GMutex vips__fft_lock;
#define VIPS_TYPE_FREQFILT (vips_freqfilt_get_type())
#define VIPS_FREQFILT(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), \
VIPS_TYPE_FREQFILT, VipsFreqfilt))
#define VIPS_FREQFILT_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), \
VIPS_TYPE_FREQFILT, VipsFreqfiltClass))
#define VIPS_IS_FREQFILT(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), VIPS_TYPE_FREQFILT))
#define VIPS_IS_FREQFILT_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), VIPS_TYPE_FREQFILT))
#define VIPS_FREQFILT_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj), \
VIPS_TYPE_FREQFILT, VipsFreqfiltClass))
typedef struct _VipsFreqfilt {
VipsOperation parent_instance;
VipsImage *in;
VipsImage *out;
} VipsFreqfilt;
typedef struct _VipsFreqfiltClass {
VipsOperationClass parent_class;
} VipsFreqfiltClass;
GType vips_freqfilt_get_type(void);
typedef int (*VipsFftProcessFn)(VipsObject *, VipsImage *, VipsImage **);
int vips__fftproc(VipsObject *context,
VipsImage *in, VipsImage **out, VipsFftProcessFn fn);
#ifdef __cplusplus
}
#endif /*__cplusplus*/
#endif /*VIPS_PFREQFILT_H*/
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