libvips/include/vips/object.h
2008-12-08 14:25:17 +00:00

96 lines
2.6 KiB
C

/* abstract base class for all vips objects
*/
/*
Copyright (C) 1991-2003 The National Gallery
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU 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 General Public License for more details.
You should have received a copy of the GNU 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 VIPS_OBJECT_H
#define VIPS_OBJECT_H
#ifdef __cplusplus
extern "C" {
#endif /*__cplusplus*/
#define VIPS_TYPE_OBJECT (vips_object_get_type())
#define VIPS_OBJECT( obj ) \
(G_TYPE_CHECK_INSTANCE_CAST( (obj), VIPS_TYPE_OBJECT, VipsObject ))
#define VIPS_OBJECT_CLASS( klass ) \
(G_TYPE_CHECK_CLASS_CAST( (klass), VIPS_TYPE_OBJECT, VipsObjectClass))
#define VIPS_IS_OBJECT( obj ) \
(G_TYPE_CHECK_INSTANCE_TYPE( (obj), VIPS_TYPE_OBJECT ))
#define VIPS_IS_OBJECT_CLASS( klass ) \
(G_TYPE_CHECK_CLASS_TYPE( (klass), VIPS_TYPE_OBJECT ))
#define VIPS_OBJECT_GET_CLASS( obj ) \
(G_TYPE_INSTANCE_GET_CLASS( (obj), VIPS_TYPE_OBJECT, VipsObjectClass ))
typedef struct _VipsObject {
GObject parent_object;
/* Optional instance name.
*/
char *name;
} VipsObject;
typedef struct _VipsObjectClass {
GObjectClass parent_class;
/* Something about the object has changed. Should use glib's properties
* but fix this later.
*/
void (*changed)( VipsObject * );
/* Try to print something about the class, handy for help displays.
*/
void (*print_class)( struct _VipsObjectClass *, im_buf_t * );
/* Try to print something about the object, handy for debugging.
*/
void (*print)( VipsObject *, im_buf_t * );
/* Class nickname, eg. "VipsInterpolateBicubic" has "bicubic" as a
* nickname. Not internationalised.
*/
const char *nickname;
/* Class description. Used for help messages, so internationalised.
*/
const char *description;
} VipsObjectClass;
void *vips_object_changed( VipsObject *object );
void vips_object_print_class( VipsObjectClass *klass );
void vips_object_print( VipsObject *object );
GType vips_object_get_type( void );
#ifdef __cplusplus
}
#endif /*__cplusplus*/
#endif /*VIPS_OBJECT_H*/