From 74bb9cd27242b9320f99ff4d2b50c3051576cc14 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Tue, 8 Feb 2022 16:53:51 +0800
Subject: ...

---
 .../cru/win/graphics/direct/WindowRenderTarget.h   | 43 ++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 include/cru/win/graphics/direct/WindowRenderTarget.h

(limited to 'include/cru/win/graphics/direct/WindowRenderTarget.h')

diff --git a/include/cru/win/graphics/direct/WindowRenderTarget.h b/include/cru/win/graphics/direct/WindowRenderTarget.h
new file mode 100644
index 00000000..c588f261
--- /dev/null
+++ b/include/cru/win/graphics/direct/WindowRenderTarget.h
@@ -0,0 +1,43 @@
+#pragma once
+#include "Factory.h"
+
+namespace cru::platform::graphics::win::direct {
+// Represents a window render target.
+class CRU_WIN_GRAPHICS_DIRECT_API D2DWindowRenderTarget : public Object {
+ public:
+  D2DWindowRenderTarget(gsl::not_null<DirectGraphicsFactory*> factory,
+                        HWND hwnd);
+
+  CRU_DELETE_COPY(D2DWindowRenderTarget)
+  CRU_DELETE_MOVE(D2DWindowRenderTarget)
+
+  ~D2DWindowRenderTarget() override = default;
+
+ public:
+  graphics::win::direct::DirectGraphicsFactory* GetDirectFactory() const {
+    return factory_;
+  }
+
+  ID2D1DeviceContext1* GetD2D1DeviceContext() {
+    return d2d1_device_context_.Get();
+  }
+
+  void SetDpi(float x, float y);
+
+  // Resize the underlying buffer.
+  void ResizeBuffer(int width, int height);
+
+  // Present the data of the underlying buffer to the window.
+  void Present();
+
+ private:
+  void CreateTargetBitmap();
+
+ private:
+  DirectGraphicsFactory* factory_;
+  HWND hwnd_;
+  Microsoft::WRL::ComPtr<ID2D1DeviceContext1> d2d1_device_context_;
+  Microsoft::WRL::ComPtr<IDXGISwapChain1> dxgi_swap_chain_;
+  Microsoft::WRL::ComPtr<ID2D1Bitmap1> target_bitmap_;
+};
+}  // namespace cru::platform::graphics::win::direct
-- 
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