/* 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 this library; if not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2006,2007 Øyvind Kolås <pippin@gimp.org>
*/
#include "config.h"
#include <string.h>
#include <glib-object.h>
#include "gegl-buffer-types.h"
#include "gegl-tile-source.h"
#include "gegl-tile-handler.h"
#include "gegl-tile-handler-chain.h"
#include "gegl-tile-storage.h"
G_DEFINE_TYPE (GeglTileHandler, gegl_tile_handler, GEGL_TYPE_TILE_SOURCE)
enum
{
PROP0,
PROP_SOURCE
};
gboolean gegl_tile_storage_cached_release (GeglTileStorage *storage);
static void
gegl_tile_handler_dispose (GObject *object)
{
GeglTileHandler *handler = GEGL_TILE_HANDLER (object);
if (handler->source != NULL)
{
if (!(GEGL_IS_TILE_STORAGE (handler->source) &&
gegl_tile_storage_cached_release ((void*)handler->source)))
g_object_unref (handler->source);
handler->source = NULL;
}
G_OBJECT_CLASS (gegl_tile_handler_parent_class)->dispose (object);
}
static gpointer
gegl_tile_handler_command (GeglTileSource *gegl_tile_source,
GeglTileCommand command,
gint x,
gint y,
gint z,
gpointer data)
{
GeglTileHandler *handler = (GeglTileHandler*)gegl_tile_source;
return gegl_tile_handler_source_command (handler, command, x, y, z, data);
}
static void
gegl_tile_handler_get_property (GObject *gobject,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GeglTileHandler *handler = GEGL_TILE_HANDLER (gobject);
switch (property_id)
{
case PROP_SOURCE:
g_value_set_object (value, handler->source);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, property_id, pspec);
break;
}
}
void
gegl_tile_handler_set_source (GeglTileHandler *handler,
GeglTileSource *source)
{
if (handler->source != NULL)
g_object_unref (handler->source);
if (source == NULL)
{
handler->source = NULL;
return;
}
handler->source = g_object_ref (source);
}
static void
gegl_tile_handler_set_property (GObject *gobject,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GeglTileHandler *handler = GEGL_TILE_HANDLER (gobject);
switch (property_id)
{
case PROP_SOURCE:
gegl_tile_handler_set_source (handler, GEGL_TILE_SOURCE (g_value_get_object (value)));
return;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, property_id, pspec);
break;
}
}
static void
gegl_tile_handler_class_init (GeglTileHandlerClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->set_property = gegl_tile_handler_set_property;
gobject_class->get_property = gegl_tile_handler_get_property;
gobject_class->dispose = gegl_tile_handler_dispose;
g_object_class_install_property (gobject_class, PROP_SOURCE,
g_param_spec_object ("source",
"GeglBuffer",
"The tilestore to be a facade for",
G_TYPE_OBJECT,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
}
static void
gegl_tile_handler_init (GeglTileHandler *self)
{
((GeglTileSource*)self)->command = gegl_tile_handler_command;
self->source = NULL;
}