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/* This file is part of GEGL.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with GEGL; if not, see <http://www.gnu.org/licenses/>.
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*
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* Copyright 2006, 2007 Øyvind Kolås <pippin@gimp.org>
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*/
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#ifndef __GEGL_TILE_BACKEND_H__
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#define __GEGL_TILE_BACKEND_H__
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#include "gegl-tile-source.h"
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/***
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* GeglTileBackend is a simple basic GeglTileSource that provide and store tiles. This classe is
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* generic and is specialized in subclasses for different kind of storage.
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*/
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G_BEGIN_DECLS
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#define GEGL_TYPE_TILE_BACKEND (gegl_tile_backend_get_type ())
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#define GEGL_TILE_BACKEND(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GEGL_TYPE_TILE_BACKEND, GeglTileBackend))
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#define GEGL_TILE_BACKEND_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GEGL_TYPE_TILE_BACKEND, GeglTileBackendClass))
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#define GEGL_IS_TILE_BACKEND(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GEGL_TYPE_TILE_BACKEND))
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#define GEGL_IS_TILE_BACKEND_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GEGL_TYPE_TILE_BACKEND))
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#define GEGL_TILE_BACKEND_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GEGL_TYPE_TILE_BACKEND, GeglTileBackendClass))
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struct _GeglTileBackend
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{
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GeglTileSource parent_instance;
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GeglTileBackendPrivate *priv;
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};
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struct _GeglTileBackendClass
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{
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GeglTileSourceClass parent_class;
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gpointer padding[4];
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};
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gint gegl_tile_backend_get_tile_size (GeglTileBackend *tile_backend);
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const Babl *gegl_tile_backend_get_format (GeglTileBackend *tile_backend);
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/* gets a pointer to the GeglTileStorage that uses the backend */
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GeglTileSource *gegl_tile_backend_peek_storage (GeglTileBackend *backend);
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/* specify the extent of the backend, can be used to
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* pre-prime the backend with the width/height information when
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* constructing proxy GeglBuffers to interact with other systems
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*/
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void gegl_tile_backend_set_extent (GeglTileBackend *tile_backend,
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GeglRectangle *rectangle);
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GeglRectangle gegl_tile_backend_get_extent (GeglTileBackend *tile_backend);
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GType gegl_tile_backend_get_type (void) G_GNUC_CONST;
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G_END_DECLS
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#endif
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