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/* hough transform
*
* 7/3/14
* - from hist_find.c
*/
/*
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., 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_HOUGH_H
#define VIPS_HOUGH_H
#ifdef __cplusplus
extern "C" {
#endif /*__cplusplus*/
#define VIPS_TYPE_HOUGH (vips_hough_get_type())
#define VIPS_HOUGH( obj ) \
(G_TYPE_CHECK_INSTANCE_CAST( (obj), \
VIPS_TYPE_HOUGH, VipsHough ))
#define VIPS_HOUGH_CLASS( klass ) \
(G_TYPE_CHECK_CLASS_CAST( (klass), \
VIPS_TYPE_HOUGH, VipsHoughClass))
#define VIPS_IS_HOUGH( obj ) \
(G_TYPE_CHECK_INSTANCE_TYPE( (obj), VIPS_TYPE_HOUGH ))
#define VIPS_IS_HOUGH_CLASS( klass ) \
(G_TYPE_CHECK_CLASS_TYPE( (klass), VIPS_TYPE_HOUGH ))
#define VIPS_HOUGH_GET_CLASS( obj ) \
(G_TYPE_INSTANCE_GET_CLASS( (obj), \
VIPS_TYPE_HOUGH, VipsHoughClass ))
typedef struct _VipsHough VipsHough;
typedef struct _VipsHoughClass VipsHoughClass;
typedef int (*VipsHoughInitAccumulator)( VipsHough *hough,
VipsImage *accumulator );
typedef void (*VipsHoughVote)( VipsHough *hough,
VipsImage *accumulator, int x, int y );
struct _VipsHough {
VipsStatistic parent_instance;
/* Sum the thread accumulators to here.
*/
VipsImage *out;
};
struct _VipsHoughClass {
VipsStatisticClass parent_class;
/* Init an accumulator image.
*/
VipsHoughInitAccumulator init_accumulator;
/* Vote function for this parameter space.
*/
VipsHoughVote vote;
};
GType vips_hough_get_type( void );
#ifdef __cplusplus
}
#endif /*__cplusplus*/
#endif /*VIPS_HOUGH_H*/
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