1 files changed, 53 insertions, 0 deletions

diff --git a/libraries/eina/src/include/eina_quadtree.h b/libraries/eina/src/include/eina_quadtree.h
new file mode 100644
index 0000000..2638d8b
--- /dev/null
+++ b/libraries/eina/src/include/eina_quadtree.h
@@ -0,0 +1,53 @@
+/* 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