Implement active box using new draw item on draw layers

scwx-qt/source/scwx/qt/map/draw_layer.hpp

@@ -0,0 +1,34 @@
+#pragma once
+
+#include <scwx/qt/gl/draw/draw_item.hpp>
+#include <scwx/qt/map/generic_layer.hpp>
+
+namespace scwx
+{
+namespace qt
+{
+namespace map
+{
+
+class DrawLayerImpl;
+
+class DrawLayer : public GenericLayer
+{
+public:
+   explicit DrawLayer(std::shared_ptr<MapContext> context);
+   virtual ~DrawLayer();
+
+   virtual void Initialize();
+   virtual void Render(const QMapbox::CustomLayerRenderParameters&);
+   virtual void Deinitialize();
+
+protected:
+   void AddDrawItem(std::shared_ptr<gl::draw::DrawItem> drawItem);
+
+private:
+   std::unique_ptr<DrawLayerImpl> p;
+};
+
+} // namespace map
+} // namespace qt
+} // namespace scwx