Support for Windows Subsystem for Linux (#208)

ScreenGrab/ScreenGrab12.h

@@ -17,10 +17,17 @@
 
 #pragma once
 
+#ifdef WIN32
 #include <d3d12.h>
 
 #include <OCIdl.h>
+
 #include <functional>
+#else
+#include <wsl/winadapter.h>
+#include <wsl/wrladapter.h>
+#include <directx/d3d12.h>
+#endif
 
 
 namespace DirectX
@@ -32,6 +39,7 @@ namespace DirectX
         D3D12_RESOURCE_STATES beforeState = D3D12_RESOURCE_STATE_RENDER_TARGET,
         D3D12_RESOURCE_STATES afterState = D3D12_RESOURCE_STATE_RENDER_TARGET) noexcept;
 
+#ifdef WIN32
     HRESULT __cdecl SaveWICTextureToFile(
         _In_ ID3D12CommandQueue* pCommandQ,
         _In_ ID3D12Resource* pSource,
@@ -42,4 +50,5 @@ namespace DirectX
         _In_opt_ const GUID* targetFormat = nullptr,
         _In_opt_ std::function<void __cdecl(IPropertyBag2*)> setCustomProps = nullptr,
         bool forceSRGB = false);
+#endif
 }