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/* base class for all resample 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_PRESAMPLE_H
#define VIPS_PRESAMPLE_H
#ifdef __cplusplus
extern "C" {
#endif /*__cplusplus*/
#define VIPS_TYPE_RESAMPLE (vips_resample_get_type())
#define VIPS_RESAMPLE( obj ) \
(G_TYPE_CHECK_INSTANCE_CAST( (obj), \
VIPS_TYPE_RESAMPLE, VipsResample ))
#define VIPS_RESAMPLE_CLASS( klass ) \
(G_TYPE_CHECK_CLASS_CAST( (klass), \
VIPS_TYPE_RESAMPLE, VipsResampleClass))
#define VIPS_IS_RESAMPLE( obj ) \
(G_TYPE_CHECK_INSTANCE_TYPE( (obj), VIPS_TYPE_RESAMPLE ))
#define VIPS_IS_RESAMPLE_CLASS( klass ) \
(G_TYPE_CHECK_CLASS_TYPE( (klass), VIPS_TYPE_RESAMPLE ))
#define VIPS_RESAMPLE_GET_CLASS( obj ) \
(G_TYPE_INSTANCE_GET_CLASS( (obj), \
VIPS_TYPE_RESAMPLE, VipsResampleClass ))
typedef struct _VipsResample {
VipsOperation parent_instance;
VipsImage *in;
VipsImage *out;
} VipsResample;
typedef struct _VipsResampleClass {
VipsOperationClass parent_class;
} VipsResampleClass;
GType vips_resample_get_type( void );
/* The max size of the vector we use.
*/
#define MAX_POINT (2000)
int vips_reduce_get_points( VipsKernel kernel, double shrink );
void vips_reduce_make_mask( double *c,
VipsKernel kernel, double shrink, double x );
#ifdef __cplusplus
}
#endif /*__cplusplus*/
#endif /*VIPS_PRESAMPLE_H*/
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