/* EINA - EFL data type library
 * Copyright (C) 2007-2008 Jorge Luis Zapata Muga
 *
 * 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_TILER_H_
#define EINA_TILER_H_

#include "eina_types.h"
#include "eina_iterator.h"
#include "eina_rectangle.h"

/**
 * @addtogroup Eina_Data_Types_Group Data Types
 *
 * @{
 */

/**
 * @defgroup Eina_Tiler_Group Tiler
 *
 * @{
 */

/**
 * @typedef Eina_Tiler
 * Tiler type.
 */
typedef struct _Eina_Tiler Eina_Tiler;

/**
 * @typedef Eina_Tile_Grid_Info
 * Grid type of a tiler.
 */
typedef struct Eina_Tile_Grid_Info Eina_Tile_Grid_Info;

/**
 * @struct Eina_Tile_Grid_Info
 * Grid type of a tiler.
 */
struct Eina_Tile_Grid_Info
{
   unsigned long  col; /**< column of the tiler grid */
   unsigned long  row; /**< row of the tiler grid*/
   Eina_Rectangle rect; /**< rectangle of the tiler grid*/
   Eina_Bool      full; /**< whether the grid is full or not */
};

typedef struct _Eina_Tile_Grid_Slicer Eina_Tile_Grid_Slicer;

EAPI Eina_Tiler        *eina_tiler_new(int w, int h);
EAPI void               eina_tiler_free(Eina_Tiler *t);
EAPI void               eina_tiler_tile_size_set(Eina_Tiler *t, int w, int h);
EAPI Eina_Bool          eina_tiler_rect_add(Eina_Tiler *t, const Eina_Rectangle *r);
EAPI void               eina_tiler_rect_del(Eina_Tiler *t, const Eina_Rectangle *r);
EAPI void               eina_tiler_clear(Eina_Tiler *t);
EAPI Eina_Iterator     *eina_tiler_iterator_new(const Eina_Tiler *t);
EAPI Eina_Iterator     *eina_tile_grid_slicer_iterator_new(int x, int y, int w, int h, int tile_w, int tile_h);
static inline Eina_Bool eina_tile_grid_slicer_next(Eina_Tile_Grid_Slicer *slc, const Eina_Tile_Grid_Info **rect);
static inline Eina_Bool eina_tile_grid_slicer_setup(Eina_Tile_Grid_Slicer *slc, int x, int y, int w, int h, int tile_w, int tile_h);

#include "eina_inline_tiler.x"

/**
 * @}
 */

/**
 * @}
 */

#endif /* EINA_TILER_H_ */
