/* 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 Øyvind Kolås <pippin@gimp.org>
*/
#ifndef __GEGL_TILE_STORAGE_H__
#define __GEGL_TILE_STORAGE_H__
#include "gegl-tile-handler-chain.h"
#include "gegl-tile-handler-cache.h"
/***
* GeglTileStorage provide the command API to GeglBuffer, and setup a chain of GeglTileHandler to
* treat and store tiles.
*/
#define GEGL_TYPE_TILE_STORAGE (gegl_tile_storage_get_type ())
#define GEGL_TILE_STORAGE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GEGL_TYPE_TILE_STORAGE, GeglTileStorage))
#define GEGL_TILE_STORAGE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GEGL_TYPE_TILE_STORAGE, GeglTileStorageClass))
#define GEGL_IS_TILE_STORAGE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GEGL_TYPE_TILE_STORAGE))
#define GEGL_IS_TILE_STORAGE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GEGL_TYPE_TILE_STORAGE))
#define GEGL_TILE_STORAGE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GEGL_TYPE_TILE_STORAGE, GeglTileStorageClass))
struct _GeglTileStorage
{
GeglTileHandlerChain parent_instance;
GeglTileHandlerCache *cache;
GMutex *mutex;
const Babl *format;
gint tile_width;
gint tile_height;
gint tile_size;
gint px_size;
gint width;
gint height;
gchar *path;
gint seen_zoom; /* the maximum zoom level we've seen tiles for */
guint idle_swapper;
GeglTile *hot_tile; /* cached tile for speeding up gegl_buffer_get_pixel
and gegl_buffer_set_pixel (1x1 sized gets/sets)*/
};
struct _GeglTileStorageClass
{
GeglTileHandlerChainClass parent_class;
};
GType gegl_tile_storage_get_type (void) G_GNUC_CONST;
GeglTileStorage *
gegl_tile_storage_new (GeglTileBackend *backend);
#endif