static void fill_tile (ChamplainMapSource *map_source, ChamplainTile *tile) { g_return_if_fail (CHAMPLAIN_IS_MEMORY_CACHE (map_source)); g_return_if_fail (CHAMPLAIN_IS_TILE (tile)); ChamplainMapSource *next_source = champlain_map_source_get_next_source (map_source); if (champlain_tile_get_state (tile) == CHAMPLAIN_STATE_DONE) return; if (champlain_tile_get_state (tile) != CHAMPLAIN_STATE_LOADED) { ChamplainMemoryCache *memory_cache = CHAMPLAIN_MEMORY_CACHE (map_source); ChamplainMemoryCachePrivate *priv = memory_cache->priv; ChamplainRenderer *renderer; GList *link; gchar *key; key = generate_queue_key (memory_cache, tile); link = g_hash_table_lookup (priv->hash_table, key); g_free (key); if (link) { QueueMember *member = link->data; move_queue_member_to_head (priv->queue, link); renderer = champlain_map_source_get_renderer (map_source); g_return_if_fail (CHAMPLAIN_IS_RENDERER (renderer)); g_object_ref (map_source); g_object_ref (tile); g_signal_connect (tile, "render-complete", G_CALLBACK (tile_rendered_cb), map_source); champlain_renderer_set_data (renderer, member->data, member->size); champlain_renderer_render (renderer, tile); return; } } if (CHAMPLAIN_IS_MAP_SOURCE (next_source)) champlain_map_source_fill_tile (next_source, tile); else if (champlain_tile_get_state (tile) == CHAMPLAIN_STATE_LOADED) { /* if we have some content, use the tile even if it wasn't validated */ champlain_tile_set_state (tile, CHAMPLAIN_STATE_DONE); champlain_tile_display_content (tile); } }
/** * champlain_map_source_set_renderer: * @map_source: a #ChamplainMapSource * @renderer: the renderer * * Sets the renderer used for tiles rendering. * * Since: 0.8 */ void champlain_map_source_set_renderer (ChamplainMapSource *map_source, ChamplainRenderer *renderer) { g_return_if_fail (CHAMPLAIN_IS_MAP_SOURCE (map_source)); g_return_if_fail (CHAMPLAIN_IS_RENDERER (renderer)); ChamplainMapSourcePrivate *priv = map_source->priv; if (priv->renderer != NULL) g_object_unref (priv->renderer); g_object_ref_sink (renderer); priv->renderer = renderer; g_object_notify (G_OBJECT (map_source), "renderer"); }
static void fill_tile (ChamplainMapSource *map_source, ChamplainTile *tile) { g_return_if_fail (CHAMPLAIN_IS_FILE_TILE_SOURCE (map_source)); g_return_if_fail (CHAMPLAIN_IS_TILE (tile)); ChamplainMapSource *next_source = champlain_map_source_get_next_source (map_source); if (champlain_tile_get_state (tile) == CHAMPLAIN_STATE_DONE) return; if (champlain_tile_get_state (tile) != CHAMPLAIN_STATE_LOADED) { ChamplainRenderer *renderer; renderer = champlain_map_source_get_renderer (map_source); g_return_if_fail (CHAMPLAIN_IS_RENDERER (renderer)); g_object_ref (map_source); g_object_ref (tile); g_signal_connect (tile, "render-complete", G_CALLBACK (tile_rendered_cb), map_source); champlain_renderer_render (renderer, tile); } else if (CHAMPLAIN_IS_MAP_SOURCE (next_source)) champlain_map_source_fill_tile (next_source, tile); else if (champlain_tile_get_state (tile) == CHAMPLAIN_STATE_LOADED) { /* if we have some content, use the tile even if it wasn't validated */ champlain_tile_set_state (tile, CHAMPLAIN_STATE_DONE); champlain_tile_display_content (tile); } }