text: /* 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*/
  
  #include <vips/vector.h>
  
  #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*/
  
  
  