From 6ad6638adf64d958cdae44ce1df6a8a3787fed84 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Mon, 16 Dec 2019 00:09:52 +0800
Subject: ...

---
 include/cru/win/graph/direct/factory.hpp | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

(limited to 'include/cru/win/graph')

diff --git a/include/cru/win/graph/direct/factory.hpp b/include/cru/win/graph/direct/factory.hpp
index 4c106f54..cf5ccaee 100644
--- a/include/cru/win/graph/direct/factory.hpp
+++ b/include/cru/win/graph/direct/factory.hpp
@@ -11,20 +11,28 @@ class DirectGraphFactory : public DirectResource, public virtual IGraphFactory {
   CRU_DELETE_COPY(DirectGraphFactory)
   CRU_DELETE_MOVE(DirectGraphFactory)
 
-  ~DirectGraphFactory() override = default;
+  ~DirectGraphFactory() override;
 
  public:
-  ID2D1Factory1* GetD2D1Factory() const { return d2d1_factory_.Get(); }
-  ID2D1DeviceContext* GetD2D1DeviceContext() const {
-    return d2d1_device_context_.Get();
-  }
   ID3D11Device* GetD3D11Device() const { return d3d11_device_.Get(); }
+  ID2D1Factory1* GetD2D1Factory() const { return d2d1_factory_.Get(); }
+  ID2D1Device* GetD2D1Device() const { return d2d1_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();
   }
 
+ public:
+  Microsoft::WRL::ComPtr<ID2D1DeviceContext> CreateD2D1DeviceContext();
+
+  // This context should only be used to create graphic resources like brush.
+  // Because graphic resources can be shared if they are created in the same
+  // device.
+  ID2D1DeviceContext* GetDefaultD2D1DeviceContext() {
+    return d2d1_device_context_.Get();
+  }
+
  public:
   std::unique_ptr<ISolidColorBrush> CreateSolidColorBrush() override;
 
@@ -38,7 +46,10 @@ class DirectGraphFactory : public DirectResource, public virtual IGraphFactory {
 
  private:
   Microsoft::WRL::ComPtr<ID3D11Device> d3d11_device_;
+  // ID2D1Factory1 is a interface only available in Windows 8 and Windows 7 with
+  // update. It is d2d v1.1.
   Microsoft::WRL::ComPtr<ID2D1Factory1> d2d1_factory_;
+  Microsoft::WRL::ComPtr<ID2D1Device> d2d1_device_;
   Microsoft::WRL::ComPtr<ID2D1DeviceContext> d2d1_device_context_;
   Microsoft::WRL::ComPtr<IDXGIFactory2> dxgi_factory_;
   Microsoft::WRL::ComPtr<IDWriteFactory> dwrite_factory_;
-- 
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