1 files changed, 60 insertions, 0 deletions
diff --git a/src/graph/graph_manager.hpp b/src/graph/graph_manager.hpp
new file mode 100644
index 00000000..4a1e7153
--- /dev/null
+++ b/src/graph/graph_manager.hpp
@@ -0,0 +1,60 @@
+#pragma once
+#include "pre.hpp"
+
+#include <memory>
+
+#include "base.hpp"
+
+struct ID3D11Device;
+struct ID3D11DeviceContext;
+struct ID2D1Factory1;
+struct ID2D1DeviceContext;
+struct IDXGIFactory2;
+struct IDWriteFontCollection;
+struct IDWriteFactory;
+
+struct ID2D1RenderTarget;
+
+namespace cru::graph {
+class WindowRenderTarget;
+
+class GraphManager final : public Object {
+ public:
+  static GraphManager* GetInstance();
+
+ private:
+  GraphManager();
+
+ public:
+  GraphManager(const GraphManager& other) = delete;
+  GraphManager(GraphManager&& other) = delete;
+  GraphManager& operator=(const GraphManager& other) = delete;
+  GraphManager& operator=(GraphManager&& other) = delete;
+  ~GraphManager() override = default;
+
+ public:
+  ID2D1Factory1* GetD2D1Factory() const { return d2d1_factory_.get(); }
+
+  ID2D1DeviceContext* GetD2D1DeviceContext() const {
+    return d2d1_device_context_.get();
+  }
+
+  ID3D11Device* GetD3D11Device() const { return d3d11_device_.get(); }
+
+  IDXGIFactory2* GetDxgiFactory() const { return dxgi_factory_.get(); }
+
+  IDWriteFactory* GetDWriteFactory() const { return dwrite_factory_.get(); }
+
+  IDWriteFontCollection* GetSystemFontCollection() const {
+    return dwrite_system_font_collection_.get();
+  }
+
+ private:
+  std::shared_ptr<ID3D11Device> d3d11_device_;
+  std::shared_ptr<ID2D1Factory1> d2d1_factory_;
+  std::shared_ptr<ID2D1DeviceContext> d2d1_device_context_;
+  std::shared_ptr<IDXGIFactory2> dxgi_factory_;
+  std::shared_ptr<IDWriteFactory> dwrite_factory_;
+  std::shared_ptr<IDWriteFontCollection> dwrite_system_font_collection_;
+};
+}  // namespace cru::graph