93 lines
2.4 KiB
C
93 lines
2.4 KiB
C
/* manage pools of objects for unreffing
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*/
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/*
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Copyright (C) 1991-2003 The National Gallery
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
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*/
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#ifndef VIPS_POOL_H
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#define VIPS_POOL_H
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#ifdef __cplusplus
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extern "C" {
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#endif /*__cplusplus*/
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/* A pool context ... just an array of GObject pointers.
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*/
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typedef GPtrArray VipsPoolContext;
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/* A VipsPool is really just a hash table, but we make it a VipsObject so we
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* can put pools into other pools.
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*/
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#define VIPS_TYPE_POOL (vips_pool_get_type())
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#define VIPS_POOL( obj ) \
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(G_TYPE_CHECK_INSTANCE_CAST( (obj), VIPS_TYPE_POOL, VipsPool ))
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#define VIPS_POOL_CLASS( klass ) \
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(G_TYPE_CHECK_CLASS_CAST( (klass), VIPS_TYPE_POOL, VipsPoolClass))
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#define VIPS_IS_POOL( obj ) \
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(G_TYPE_CHECK_INSTANCE_TYPE( (obj), VIPS_TYPE_POOL ))
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#define VIPS_IS_POOL_CLASS( klass ) \
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(G_TYPE_CHECK_CLASS_TYPE( (klass), VIPS_TYPE_POOL ))
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#define VIPS_POOL_GET_CLASS( obj ) \
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(G_TYPE_INSTANCE_GET_CLASS( (obj), VIPS_TYPE_POOL, VipsPoolClass ))
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typedef struct _VipsPool {
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VipsObject parent_object;
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/* A table of all the contexts we've seen.
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*/
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GHashTable *contexts;
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/* Track a name for debugging.
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*/
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const char *name;
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} VipsPool;
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typedef struct _VipsPoolClass {
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VipsObjectClass parent_class;
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} VipsPoolClass;
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GType vips_pool_get_type( void );
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VipsPool *vips_pool_new( const char *name );
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VipsPoolContext *vips_pool_context_new( VipsPool *pool );
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GObject **vips_pool_context_object( VipsPoolContext *context, int n );
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/* Save some typing. This assumes you have a (VipsPoolContext *) called
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* "context" in scope.
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*/
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#define VIPS_VI( N ) \
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(*((VipsImage **) vips_pool_context_object( context, (N) )))
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#ifdef __cplusplus
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}
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#endif /*__cplusplus*/
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#endif /*VIPS_POOL_H*/
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