/* This file is part of GEGL.

 *

 * 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 3 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 GEGL; if not, see <http://www.gnu.org/licenses/>.

 *

 * Copyright 2006-2009 Øyvind Kolås <pippin@gimp.org>

 */

#ifndef __GEGL_TILE_H__

#define __GEGL_TILE_H__

#include <glib-object.h>

#include "gegl-buffer-backend.h"

GeglTile   * gegl_tile_new            (gint             size);

GeglTile   * gegl_tile_new_bare       (void);

GeglTile   * gegl_tile_ref            (GeglTile         *tile);

void         gegl_tile_unref          (GeglTile         *tile);

/* lock a tile for writing, this would allow writing to buffers

 * later gotten with get_data()

 */

void         gegl_tile_lock           (GeglTile         *tile);

/* unlock the tile notifying the tile that we're done manipulating

 * the data.

 */

void         gegl_tile_unlock         (GeglTile         *tile);

void         gegl_tile_mark_as_stored (GeglTile         *tile);

gboolean     gegl_tile_is_stored      (GeglTile         *tile);

gboolean     gegl_tile_store          (GeglTile         *tile);

void         gegl_tile_void           (GeglTile         *tile);

GeglTile    *gegl_tile_dup            (GeglTile         *tile);

void         gegl_tile_set_rev        (GeglTile         *tile,

                                       guint             rev);

guint        gegl_tile_get_rev        (GeglTile         *tile);

guchar      *gegl_tile_get_data       (GeglTile         *tile);

void         gegl_tile_set_data       (GeglTile         *tile,

                                       gpointer          pixel_data,

                                       gint              pixel_data_size);

void         gegl_tile_set_data_full  (GeglTile         *tile,

                                       gpointer          pixel_data,

                                       gint              pixel_data_size,

                                       GDestroyNotify    destroy_notify,

                                       gpointer          destroy_notify_data);

void         gegl_tile_set_unlock_notify

                                      (GeglTile         *tile,

                                       GeglTileCallback  unlock_notify,

                                       gpointer          unlock_notify_data);

#endif