Repo created

libs/drape/render_bucket.hpp

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+#pragma once
+
+#include "drape/pointers.hpp"
+
+#include <limits>
+#include <vector>
+
+class ScreenBase;
+
+namespace dp
+{
+class DebugRenderer;
+class GraphicsContext;
+class OverlayHandle;
+class OverlayTree;
+class VertexArrayBuffer;
+
+class RenderBucket
+{
+public:
+  explicit RenderBucket(drape_ptr<VertexArrayBuffer> && buffer);
+  ~RenderBucket();
+
+  ref_ptr<VertexArrayBuffer> GetBuffer();
+  drape_ptr<VertexArrayBuffer> && MoveBuffer();
+
+  size_t GetOverlayHandlesCount() const;
+  drape_ptr<OverlayHandle> PopOverlayHandle();
+  ref_ptr<OverlayHandle> GetOverlayHandle(size_t index);
+  void AddOverlayHandle(drape_ptr<OverlayHandle> && handle);
+
+  void Update(ScreenBase const & modelView);
+  void CollectOverlayHandles(ref_ptr<OverlayTree> tree);
+  bool HasOverlayHandles() const;
+  //! \return true if tree completely invalidated and next call has no sense
+  bool RemoveOverlayHandles(ref_ptr<OverlayTree> tree);
+  void SetOverlayVisibility(bool isVisible);
+  void Render(ref_ptr<GraphicsContext> context, bool drawAsLine);
+
+  // Only for testing! Don't use this function in production code!
+  void RenderDebug(ref_ptr<GraphicsContext> context, ScreenBase const & screen,
+                   ref_ptr<DebugRenderer> debugRectRenderer) const;
+
+  // Only for testing! Don't use this function in production code!
+  template <typename ToDo>
+  void ForEachOverlay(ToDo const & todo)
+  {
+    for (drape_ptr<OverlayHandle> const & h : m_overlay)
+      todo(make_ref(h));
+  }
+
+  void SetFeatureMinZoom(int minZoom);
+  int GetMinZoom() const { return m_featuresMinZoom; }
+
+private:
+  void BeforeUpdate();
+
+  int m_featuresMinZoom = std::numeric_limits<int>::max();
+
+  std::vector<drape_ptr<OverlayHandle>> m_overlay;
+  drape_ptr<VertexArrayBuffer> m_buffer;
+};
+}  // namespace dp