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/* 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, 2007 Øyvind Kolås <pippin@gimp.org>
*/
#include "config.h"
#include <glib-object.h>
#include "gegl.h"
#include "gegl-buffer-types.h"
#include "gegl-tile-storage.h"
#include "gegl-tile.h"
#include "gegl-tile-backend-file.h"
#include "gegl-tile-backend-ram.h"
#include "gegl-tile-backend-tiledir.h"
#include "gegl-tile-handler-empty.h"
#include "gegl-tile-handler-zoom.h"
#include "gegl-tile-handler-cache.h"
#include "gegl-tile-handler-log.h"
#include "gegl-types-internal.h"
#include "gegl-utils.h"
#include "gegl-config.h"
G_DEFINE_TYPE (GeglTileStorage, gegl_tile_storage, GEGL_TYPE_TILE_HANDLER_CHAIN)
static GObjectClass * parent_class = NULL;
enum
{
CHANGED,
LAST_SIGNAL
};
guint gegl_tile_storage_signals[LAST_SIGNAL] = { 0 };
static gboolean
tile_storage_idle (gpointer data)
{
GeglTileStorage *tile_storage = GEGL_TILE_STORAGE (data);
if (0 /* nothing to do*/)
{
tile_storage->idle_swapper = 0;
return FALSE;
}
return gegl_tile_source_idle (GEGL_TILE_SOURCE (tile_storage));
}
GeglTileBackend *gegl_buffer_backend (GObject *buffer);
GeglTileStorage *
gegl_tile_storage_new (GeglTileBackend *backend)
{
GeglTileStorage *tile_storage = g_object_new (GEGL_TYPE_TILE_STORAGE, NULL);
GeglTileHandlerChain *tile_handler_chain;
GeglTileHandler *handler;
GeglTileHandler *empty = NULL;
GeglTileHandler *zoom = NULL;
GeglTileHandlerCache *cache = NULL;
tile_storage->seen_zoom = 0;
tile_storage->mutex = g_mutex_new ();
tile_storage->width = G_MAXINT;
tile_storage->height = G_MAXINT;
if (g_object_class_find_property (G_OBJECT_GET_CLASS (backend), "path"))
{
g_object_get (backend, "path", &tile_storage->path, NULL);
}
tile_handler_chain = GEGL_TILE_HANDLER_CHAIN (tile_storage);
handler = GEGL_TILE_HANDLER (tile_storage);
tile_storage->tile_width = backend->priv->tile_width;
tile_storage->tile_height = backend->priv->tile_height;
tile_storage->px_size = backend->priv->px_size;
tile_storage->format = gegl_tile_backend_get_format (backend);
tile_storage->tile_size = gegl_tile_backend_get_tile_size (backend);
gegl_tile_handler_set_source (handler, (void*)backend);
{ /* should perhaps be a.. method on gegl_tile_handler_chain_set_source
wrapping handler_set_source() and this*/
GeglTileHandlerChain *tile_handler_chain2 = GEGL_TILE_HANDLER_CHAIN (handler);
GSList *iter = (void *) tile_handler_chain2->chain;
while (iter && iter->next)
iter = iter->next;
if (iter)
{
gegl_tile_handler_set_source (GEGL_TILE_HANDLER (iter->data), handler->source);
}
}
backend = GEGL_TILE_BACKEND (handler->source);
#if 0
if (g_getenv("GEGL_LOG_TILE_BACKEND")||
g_getenv("GEGL_TILE_LOG"))
gegl_tile_handler_chain_add (tile_handler_chain,
g_object_new (GEGL_TYPE_TILE_HANDLER_LOG, NULL));
#endif
cache = g_object_new (GEGL_TYPE_TILE_HANDLER_CACHE, NULL);
empty = gegl_tile_handler_empty_new (backend, cache);
zoom = gegl_tile_handler_zoom_new (backend, tile_storage, cache);
gegl_tile_handler_chain_add (tile_handler_chain, (void*)cache);
gegl_tile_handler_chain_add (tile_handler_chain, zoom);
gegl_tile_handler_chain_add (tile_handler_chain, empty);
#if 0
if (g_getenv("GEGL_LOG_TILE_CACHE"))
gegl_tile_handler_chain_add (tile_handler_chain,
g_object_new (GEGL_TYPE_TILE_HANDLER_LOG, NULL));
#endif
tile_storage->cache = cache;
cache->tile_storage = tile_storage;
gegl_tile_handler_chain_bind (tile_handler_chain);
((GeglTileBackend *)gegl_buffer_backend ((void*)tile_storage))->priv->storage = (gpointer)
tile_storage;
tile_storage->idle_swapper = g_timeout_add_full (G_PRIORITY_LOW,
250,
tile_storage_idle,
tile_storage,
NULL);
return tile_storage;
}
static void
gegl_tile_storage_finalize (GObject *object)
{
GeglTileStorage *self = GEGL_TILE_STORAGE (object);
if (self->idle_swapper)
g_source_remove (self->idle_swapper);
if (self->path)
g_free (self->path);
g_mutex_free (self->mutex);
(*G_OBJECT_CLASS (parent_class)->finalize)(object);
}
static void
gegl_tile_storage_class_init (GeglTileStorageClass *class)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (class);
parent_class = g_type_class_peek_parent (class);
gobject_class->finalize = gegl_tile_storage_finalize;
gegl_tile_storage_signals[CHANGED] =
g_signal_new ("changed",
G_TYPE_FROM_CLASS (gobject_class),
G_SIGNAL_RUN_LAST | G_SIGNAL_NO_RECURSE | G_SIGNAL_NO_HOOKS,
0,
NULL, NULL,
g_cclosure_marshal_VOID__BOXED,
G_TYPE_NONE, 1,
GEGL_TYPE_RECTANGLE);
}
static void
gegl_tile_storage_init (GeglTileStorage *buffer)
{
}
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