C++ (Cpp) champlain_tile_display_content Examples

Example #1

File: champlain-memory-cache.c Project: PabloCastellano/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)
    {
      if (CHAMPLAIN_IS_TILE_CACHE (next_source))
        champlain_tile_cache_on_tile_filled (CHAMPLAIN_TILE_CACHE (next_source), tile);

      champlain_tile_set_fade_in (tile, FALSE);
      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);
}

Example #2

File: champlain-file-tile-source.c Project: 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);
}

Example #3

File: champlain-memory-cache.c Project: PabloCastellano/libchamplain

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);
    }
}

Example #4

File: champlain-file-tile-source.c Project: GNOME/libchamplain

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);
    }
}