C++ (Cpp) champlain_tile_cache_store_tile Exemples

Exemple #1

Fichier : champlain-file-tile-source.c Projet : GNOME/libchamplain

static void
tile_rendered_cb (ChamplainTile *tile,
    gpointer data,
    guint size,
    gboolean error,
    ChamplainMapSource *map_source)
{
  ChamplainMapSource *next_source;

  g_signal_handlers_disconnect_by_func (tile, tile_rendered_cb, map_source);

  next_source = champlain_map_source_get_next_source (map_source);

  if (!error)
    {
      ChamplainTileSource *tile_source = CHAMPLAIN_TILE_SOURCE (map_source);
      ChamplainTileCache *tile_cache = champlain_tile_source_get_cache (tile_source);

      if (tile_cache && data)
        champlain_tile_cache_store_tile (tile_cache, tile, data, size);

      champlain_tile_set_fade_in (tile, TRUE);
      champlain_tile_set_state (tile, CHAMPLAIN_STATE_DONE);
      champlain_tile_display_content (tile);
    }
  else if (next_source)
    champlain_map_source_fill_tile (next_source, tile);

  g_object_unref (map_source);
  g_object_unref (tile);
}

Exemple #2

Fichier : champlain-memory-cache.c Projet : PabloCastellano/libchamplain

static void
store_tile (ChamplainTileCache *tile_cache,
    ChamplainTile *tile,
    const gchar *contents,
    gsize size)
{
  g_return_if_fail (CHAMPLAIN_IS_MEMORY_CACHE (tile_cache));

  ChamplainMapSource *map_source = CHAMPLAIN_MAP_SOURCE (tile_cache);
  ChamplainMapSource *next_source = champlain_map_source_get_next_source (map_source);
  ChamplainMemoryCache *memory_cache = CHAMPLAIN_MEMORY_CACHE (tile_cache);
  ChamplainMemoryCachePrivate *priv = memory_cache->priv;
  GList *link;
  gchar *key;

  key = generate_queue_key (memory_cache, tile);
  link = g_hash_table_lookup (priv->hash_table, key);
  if (link)
    {
      move_queue_member_to_head (priv->queue, link);
      g_free (key);
    }
  else
    {
      QueueMember *member;

      if (priv->queue->length >= priv->size_limit)
        {
          member = g_queue_pop_tail (priv->queue);
          g_hash_table_remove (priv->hash_table, member->key);
          delete_queue_member (member, NULL);
        }

      member = g_slice_new (QueueMember);
      member->key = key;
      member->data = g_memdup (contents, size);
      member->size = size;

      g_queue_push_head (priv->queue, member);
      g_hash_table_insert (priv->hash_table, g_strdup (key), g_queue_peek_head_link (priv->queue));
    }

  if (CHAMPLAIN_IS_TILE_CACHE (next_source))
    champlain_tile_cache_store_tile (CHAMPLAIN_TILE_CACHE (next_source), tile, contents, size);
}