Placefile image rendering

scwx-qt/source/scwx/qt/gl/draw/placefile_images.hpp

@@ -0,0 +1,61 @@
+#pragma once
+
+#include <scwx/qt/gl/gl_context.hpp>
+#include <scwx/qt/gl/draw/draw_item.hpp>
+#include <scwx/gr/placefile.hpp>
+
+namespace scwx
+{
+namespace qt
+{
+namespace gl
+{
+namespace draw
+{
+
+class PlacefileImages : public DrawItem
+{
+public:
+   explicit PlacefileImages(const std::shared_ptr<GlContext>& context);
+   ~PlacefileImages();
+
+   PlacefileImages(const PlacefileImages&)            = delete;
+   PlacefileImages& operator=(const PlacefileImages&) = delete;
+
+   PlacefileImages(PlacefileImages&&) noexcept;
+   PlacefileImages& operator=(PlacefileImages&&) noexcept;
+
+   void set_thresholded(bool thresholded);
+
+   void Initialize() override;
+   void Render(const QMapLibreGL::CustomLayerRenderParameters& params,
+               bool textureAtlasChanged) override;
+   void Deinitialize() override;
+
+   /**
+    * Resets and prepares the draw item for adding a new set of images.
+    */
+   void StartImages(const std::string& baseUrl);
+
+   /**
+    * Adds a placefile image to the internal draw list.
+    *
+    * @param [in] di Placefile image
+    */
+   void AddImage(const std::shared_ptr<gr::Placefile::ImageDrawItem>& di);
+
+   /**
+    * Finalizes the draw item after adding new images.
+    */
+   void FinishImages();
+
+private:
+   class Impl;
+
+   std::unique_ptr<Impl> p;
+};
+
+} // namespace draw
+} // namespace gl
+} // namespace qt
+} // namespace scwx