108 lines
3.0 KiB
C
108 lines
3.0 KiB
C
/* Various interpolators.
|
|
*
|
|
* J.Cupitt, 15/10/08
|
|
*/
|
|
|
|
/*
|
|
|
|
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
|
*/
|
|
|
|
/*
|
|
|
|
These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
|
|
|
|
*/
|
|
|
|
#ifndef IM_VINTERPOLATE_H
|
|
#define IM_VINTERPOLATE_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif /*__cplusplus*/
|
|
|
|
#define TYPE_VINTERPOLATE (vinterpolate_get_type())
|
|
#define VINTERPOLATE( obj ) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST( (obj), TYPE_VINTERPOLATE, VInterpolate ))
|
|
#define VINTERPOLATE_CLASS( klass ) \
|
|
(G_TYPE_CHECK_CLASS_CAST( (klass), \
|
|
TYPE_VINTERPOLATE, VInterpolateClass))
|
|
#define IS_VINTERPOLATE( obj ) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE( (obj), TYPE_VINTERPOLATE ))
|
|
#define IS_VINTERPOLATE_CLASS( klass ) \
|
|
(G_TYPE_CHECK_CLASS_TYPE( (klass), TYPE_VINTERPOLATE ))
|
|
#define VINTERPOLATE_GET_CLASS( obj ) \
|
|
(G_TYPE_INSTANCE_GET_CLASS( (obj), \
|
|
TYPE_VINTERPOLATE, VInterpolateClass ))
|
|
|
|
typedef struct _VInterpolate {
|
|
VObject parent;
|
|
|
|
} VInterpolate;
|
|
|
|
typedef struct _VInterpolateClass {
|
|
VObjectClass parent_class;
|
|
|
|
/* Write to pixel out(x,y), interpolating from in(x,y). The caller has
|
|
* to set the regions up.
|
|
*/
|
|
void (*interpolate)( VInterpolate *, REGION *out, REGION *in,
|
|
int out_x, int out_y, double in_x, double in_y );
|
|
|
|
/* This interpolator needs a window of pixels this big.
|
|
*/
|
|
int window;
|
|
|
|
} VInterpolateClass;
|
|
|
|
#define TYPE_VINTERPOLATE_YAFR (vinterpolate_yafr_get_type())
|
|
#define VINTERPOLATE_YAFR( obj ) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST( (obj), TYPE_VINTERPOLATE_YAFR, VInterpolateYafr ))
|
|
#define VINTERPOLATE_YAFR_CLASS( klass ) \
|
|
(G_TYPE_CHECK_CLASS_CAST( (klass), \
|
|
TYPE_VINTERPOLATE_YAFR, VInterpolateYafrClass))
|
|
#define IS_VINTERPOLATE_YAFR( obj ) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE( (obj), TYPE_VINTERPOLATE_YAFR ))
|
|
#define IS_VINTERPOLATE_YAFR_CLASS( klass ) \
|
|
(G_TYPE_CHECK_CLASS_TYPE( (klass), TYPE_VINTERPOLATE_YAFR ))
|
|
#define VINTERPOLATE_YAFR_GET_CLASS( obj ) \
|
|
(G_TYPE_INSTANCE_GET_CLASS( (obj), \
|
|
TYPE_VINTERPOLATE_YAFR, VInterpolateYafrClass ))
|
|
|
|
typedef struct _VInterpolateYafr {
|
|
VObject parent;
|
|
|
|
} VInterpolateYafr;
|
|
|
|
typedef struct _VInterpolateYafrClass {
|
|
VObjectClass parent_class;
|
|
|
|
} VInterpolateYafrClass;
|
|
|
|
VInterpolate *vinterpolate_bilinear_new( void );
|
|
|
|
VInterpolateYafr *vinterpolate_yafr_new( void );
|
|
void vinterpolate_yafr_set_thing( VInterpolateYafr *, double thing );
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif /*__cplusplus*/
|
|
|
|
#endif /*IM_VINTERPOLATE_H*/
|
|
|