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/* base class for all correlation 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_PCORRELATION_H
#define VIPS_PCORRELATION_H
#ifdef __cplusplus
extern "C" {
#endif /*__cplusplus*/
#define VIPS_TYPE_CORRELATION (vips_correlation_get_type())
#define VIPS_CORRELATION(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), \
VIPS_TYPE_CORRELATION, VipsCorrelation))
#define VIPS_CORRELATION_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), \
VIPS_TYPE_CORRELATION, VipsCorrelationClass))
#define VIPS_IS_CORRELATION(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), VIPS_TYPE_CORRELATION))
#define VIPS_IS_CORRELATION_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), VIPS_TYPE_CORRELATION))
#define VIPS_CORRELATION_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj), \
VIPS_TYPE_CORRELATION, VipsCorrelationClass))
typedef struct {
VipsOperation parent_instance;
/* Params.
*/
VipsImage *in;
VipsImage *ref;
VipsImage *out;
/* The two input images, upcast to the smallest common format. ref is
* a memory buffer.
*/
VipsImage *in_ready;
VipsImage *ref_ready;
} VipsCorrelation;
typedef struct {
VipsOperationClass parent_class;
/* For each upcast input format, what output format.
*/
const VipsBandFormat *format_table;
/* Run just before generate. The subclass can fill in some stuff.
*/
int (*pre_generate)(VipsCorrelation *);
void (*correlation)(VipsCorrelation *,
VipsRegion *in, VipsRegion *out);
} VipsCorrelationClass;
GType vips_correlation_get_type(void);
#ifdef __cplusplus
}
#endif /*__cplusplus*/
#endif /*VIPS_PCORRELATION_H*/
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