Draw a radial. This needs some cleanup, and some MVP matrix tweaking.

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

@@ -0,0 +1,31 @@
+#include <qmapboxgl.hpp>
+
+namespace scwx
+{
+namespace qt
+{
+
+class RadarLayerImpl;
+
+class RadarLayer : public QMapbox::CustomLayerHostInterface
+{
+public:
+   explicit RadarLayer();
+   ~RadarLayer();
+
+   RadarLayer(const RadarLayer&) = delete;
+   RadarLayer& operator=(const RadarLayer&) = delete;
+
+   RadarLayer(RadarLayer&&) noexcept;
+   RadarLayer& operator=(RadarLayer&&) noexcept;
+
+   void initialize() override final;
+   void render(const QMapbox::CustomLayerRenderParameters&) override final;
+   void deinitialize() override final;
+
+private:
+   std::unique_ptr<RadarLayerImpl> p;
+};
+
+} // namespace qt
+} // namespace scwx