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/* EINA - EFL data type library
* Copyright (C) 2010 Cedric BAIL
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef EINA_QUADTREE_H_
#define EINA_QUADTREE_H_
#include "eina_config.h"
#include "eina_inlist.h"
typedef struct _Eina_QuadTree Eina_QuadTree;
typedef struct _Eina_QuadTree_Item Eina_QuadTree_Item;
typedef enum {
EINA_QUAD_LEFT,
EINA_QUAD_RIGHT,
EINA_QUAD_BOTH
} Eina_Quad_Direction;
typedef Eina_Quad_Direction(*Eina_Quad_Callback) (const void *object,
size_t middle);
EAPI Eina_QuadTree *eina_quadtree_new(size_t w, size_t h,
Eina_Quad_Callback vertical,
Eina_Quad_Callback horizontal);
EAPI void eina_quadtree_free(Eina_QuadTree * q);
EAPI void eina_quadtree_resize(Eina_QuadTree * q, size_t w, size_t h);
EAPI void eina_quadtree_cycle(Eina_QuadTree * q);
EAPI void eina_quadtree_increase(Eina_QuadTree_Item * object);
EAPI Eina_QuadTree_Item *eina_quadtree_add(Eina_QuadTree * q,
const void *object);
EAPI Eina_Bool eina_quadtree_del(Eina_QuadTree_Item * object);
EAPI Eina_Bool eina_quadtree_change(Eina_QuadTree_Item * object);
EAPI Eina_Bool eina_quadtree_hide(Eina_QuadTree_Item * object);
EAPI Eina_Bool eina_quadtree_show(Eina_QuadTree_Item * object);
EAPI Eina_Inlist *eina_quadtree_collide(Eina_QuadTree * q, int x, int y,
int w, int h);
EAPI void *eina_quadtree_object(Eina_Inlist * list);
#endif
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