54 lines
2.0 KiB
C
54 lines
2.0 KiB
C
/* EINA - EFL data type library
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* Copyright (C) 2010 Cedric BAIL
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library;
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* if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef EINA_QUADTREE_H_
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#define EINA_QUADTREE_H_
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#include "eina_config.h"
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#include "eina_inlist.h"
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typedef struct _Eina_QuadTree Eina_QuadTree;
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typedef struct _Eina_QuadTree_Item Eina_QuadTree_Item;
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typedef enum {
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EINA_QUAD_LEFT,
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EINA_QUAD_RIGHT,
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EINA_QUAD_BOTH
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} Eina_Quad_Direction;
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typedef Eina_Quad_Direction (*Eina_Quad_Callback)(const void *object, size_t middle);
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EAPI Eina_QuadTree *eina_quadtree_new(size_t w, size_t h, Eina_Quad_Callback vertical, Eina_Quad_Callback horizontal);
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EAPI void eina_quadtree_free(Eina_QuadTree *q);
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EAPI void eina_quadtree_resize(Eina_QuadTree *q, size_t w, size_t h);
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EAPI void eina_quadtree_cycle(Eina_QuadTree *q);
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EAPI void eina_quadtree_increase(Eina_QuadTree_Item *object);
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EAPI Eina_QuadTree_Item *eina_quadtree_add(Eina_QuadTree *q, const void *object);
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EAPI Eina_Bool eina_quadtree_del(Eina_QuadTree_Item *object);
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EAPI Eina_Bool eina_quadtree_change(Eina_QuadTree_Item *object);
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EAPI Eina_Bool eina_quadtree_hide(Eina_QuadTree_Item *object);
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EAPI Eina_Bool eina_quadtree_show(Eina_QuadTree_Item *object);
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EAPI Eina_Inlist *eina_quadtree_collide(Eina_QuadTree *q, int x, int y, int w, int h);
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EAPI void *eina_quadtree_object(Eina_Inlist *list);
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#endif
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