10 virtual const std::map<int, Layer> &get_layers()
const;
11 enum class LayerSortOrder { TOP_TO_BOTTOM, BOTTOM_TO_TOP };
12 std::vector<Layer> get_layers_sorted(LayerSortOrder order)
const;
13 std::string get_layer_name(
const class LayerRange &layer)
const;
14 std::set<int> get_layers_for_range(
const class LayerRange &layer)
const;
15 int get_adjacent_layer(
int layer,
int dir)
const;
16 int get_color_layer(
int layer)
const;
17 double get_layer_position(
int layer)
const;