libvips/libvips/create/point.h

80 lines
2.0 KiB
C

/* base class for point generators
*/
/*
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_POINT_H
#define VIPS_POINT_H
#ifdef __cplusplus
extern "C" {
#endif /*__cplusplus*/
#define VIPS_TYPE_POINT (vips_point_get_type())
#define VIPS_POINT( obj ) \
(G_TYPE_CHECK_INSTANCE_CAST( (obj), \
VIPS_TYPE_POINT, VipsPoint ))
#define VIPS_POINT_CLASS( klass ) \
(G_TYPE_CHECK_CLASS_CAST( (klass), \
VIPS_TYPE_POINT, VipsPointClass))
#define VIPS_IS_POINT( obj ) \
(G_TYPE_CHECK_INSTANCE_TYPE( (obj), VIPS_TYPE_POINT ))
#define VIPS_IS_POINT_CLASS( klass ) \
(G_TYPE_CHECK_CLASS_TYPE( (klass), VIPS_TYPE_POINT ))
#define VIPS_POINT_GET_CLASS( obj ) \
(G_TYPE_INSTANCE_GET_CLASS( (obj), \
VIPS_TYPE_POINT, VipsPointClass ))
typedef struct _VipsPoint {
VipsCreate parent_instance;
int width;
int height;
gboolean uchar;
} VipsPoint;
typedef struct _VipsPointClass {
VipsCreateClass parent_class;
float (*point)( VipsPoint *, int, int );
float min;
float max;
VipsInterpretation interpretation;
} VipsPointClass;
GType vips_point_get_type( void );
#ifdef __cplusplus
}
#endif /*__cplusplus*/
#endif /*VIPS_POINT_H*/