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iregion.h
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iregion.h
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/* a ip region class in a workspace
*/
/*
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
*/
#define TYPE_IREGION (iregion_get_type())
#define IREGION( obj ) \
(G_TYPE_CHECK_INSTANCE_CAST( (obj), TYPE_IREGION, iRegion ))
#define IREGION_CLASS( klass ) \
(G_TYPE_CHECK_CLASS_CAST( (klass), TYPE_IREGION, iRegionClass))
#define IS_IREGION( obj ) \
(G_TYPE_CHECK_INSTANCE_TYPE( (obj), TYPE_IREGION ))
#define IS_IREGION_CLASS( klass ) \
(G_TYPE_CHECK_CLASS_TYPE( (klass), TYPE_IREGION ))
#define IREGION_GET_CLASS( obj ) \
(G_TYPE_INSTANCE_GET_CLASS( (obj), TYPE_IREGION, iRegionClass ))
/* Handy for indexing arrays.
*/
typedef enum iRegionType {
IREGION_MARK = 0,
IREGION_HGUIDE,
IREGION_VGUIDE,
IREGION_ARROW,
IREGION_REGION,
IREGION_AREA
} iRegionType;
/* Our instance vars ... packaged up for code sharing.
*/
typedef struct {
/* Stuff from the heap.
*/
Element image_class; /* Child image class */
Imageinfo *ii;
Rect area;
/* Client display stuff.
*/
Classmodel *classmodel;
iRegiongroup *iregiongroup;
} iRegionInstance;
struct _iRegion {
iImage parent_class;
/* Class fields shared with iarrow.c.
*/
iRegionInstance instance;
};
typedef struct _iRegionClass {
iImageClass parent_class;
/* My methods.
*/
} iRegionClass;
void iregion_instance_destroy( iRegionInstance *instance );
void iregion_instance_init( iRegionInstance *instance, Classmodel *classmodel );
gboolean iregion_instance_update( iRegionInstance *instance, PElement *root );
void iregion_edit( GtkWidget *parent, Model *model );
void iregion_parent_add( iContainer *child );
xmlNode *iregion_save( Model *model, xmlNode *xnode );
gboolean iregion_load( Model *model,
ModelLoadState *state, Model *parent, xmlNode *xnode );
void *iregion_update_heap( Heapmodel *heapmodel );
gboolean iregion_class_get( Classmodel *classmodel, PElement *root );
gboolean iregion_class_new( Classmodel *classmodel,
PElement *fn, PElement *out );
GType iregion_get_type( void );