Repo created

libs/drape_frontend/map_shape.hpp

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+#pragma once
+
+#include "drape_frontend/message.hpp"
+#include "drape_frontend/tile_key.hpp"
+
+#include "drape/graphics_context.hpp"
+#include "drape/pointers.hpp"
+
+#include "geometry/point2d.hpp"
+
+#include <vector>
+
+namespace dp
+{
+class Batcher;
+class TextureManager;
+}  // namespace dp
+
+namespace df
+{
+enum MapShapeType
+{
+  GeometryType = 0,
+  OverlayType,
+
+  MapShapeTypeCount
+};
+
+class MapShape
+{
+public:
+  virtual ~MapShape() = default;
+  virtual void Prepare(ref_ptr<dp::TextureManager> /* textures */) const {}
+  virtual void Draw(ref_ptr<dp::GraphicsContext> context, ref_ptr<dp::Batcher> batcher,
+                    ref_ptr<dp::TextureManager> textures) const = 0;
+  virtual MapShapeType GetType() const { return MapShapeType::GeometryType; }
+
+  void SetFeatureMinZoom(int minZoom) { m_minZoom = minZoom; }
+  int GetFeatureMinZoom() const { return m_minZoom; }
+
+  static m2::PointD ConvertToLocal(m2::PointD const & basePt, m2::PointD const & tileCenter, double scalar)
+  {
+    return (basePt - tileCenter) * scalar;
+  }
+
+private:
+  int m_minZoom = 0;
+};
+
+using TMapShapes = std::vector<drape_ptr<MapShape>>;
+
+class MapShapeMessage : public Message
+{
+public:
+  explicit MapShapeMessage(TileKey const & key) : m_tileKey(key) {}
+
+  TileKey const & GetKey() const { return m_tileKey; }
+
+private:
+  TileKey m_tileKey;
+};
+
+class TileReadStartMessage : public MapShapeMessage
+{
+public:
+  explicit TileReadStartMessage(TileKey const & key) : MapShapeMessage(key) {}
+  Type GetType() const override { return Type::TileReadStarted; }
+  bool IsGraphicsContextDependent() const override { return true; }
+};
+
+class TileReadEndMessage : public MapShapeMessage
+{
+public:
+  explicit TileReadEndMessage(TileKey const & key) : MapShapeMessage(key) {}
+  Type GetType() const override { return Type::TileReadEnded; }
+  bool IsGraphicsContextDependent() const override { return true; }
+};
+
+class MapShapeReadedMessage : public MapShapeMessage
+{
+public:
+  MapShapeReadedMessage(TileKey const & key, TMapShapes && shapes) : MapShapeMessage(key), m_shapes(std::move(shapes))
+  {}
+
+  Type GetType() const override { return Type::MapShapeReaded; }
+  bool IsGraphicsContextDependent() const override { return true; }
+  TMapShapes const & GetShapes() { return m_shapes; }
+
+private:
+  TMapShapes m_shapes;
+};
+
+class OverlayMapShapeReadedMessage : public MapShapeReadedMessage
+{
+public:
+  OverlayMapShapeReadedMessage(TileKey const & key, TMapShapes && shapes)
+    : MapShapeReadedMessage(key, std::move(shapes))
+  {}
+
+  Type GetType() const override { return Message::Type::OverlayMapShapeReaded; }
+};
+}  // namespace df