228 lines
9.9 KiB
C++
228 lines
9.9 KiB
C++
// Copyright (c) Microsoft Corporation.
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// Licensed under the MIT license.
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#pragma once
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#include "../../renderer/inc/RenderEngineBase.hpp"
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#include <functional>
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#include <dxgi.h>
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#include <dxgi1_2.h>
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#include <d3d11.h>
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#include <d2d1.h>
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#include <d2d1helper.h>
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#include <dwrite.h>
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#include <dwrite_1.h>
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#include <dwrite_2.h>
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#include <dwrite_3.h>
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#include <wrl.h>
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#include <wrl/client.h>
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#include "CustomTextRenderer.h"
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#include "../../types/inc/Viewport.hpp"
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namespace Microsoft::Console::Render
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{
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class DxEngine final : public RenderEngineBase
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{
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public:
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DxEngine();
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~DxEngine();
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DxEngine(const DxEngine&) = default;
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DxEngine(DxEngine&&) = default;
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DxEngine& operator=(const DxEngine&) = default;
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DxEngine& operator=(DxEngine&&) = default;
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// Used to release device resources so that another instance of
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// conhost can render to the screen (i.e. only one DirectX
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// application may control the screen at a time.)
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[[nodiscard]] HRESULT Enable() noexcept;
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[[nodiscard]] HRESULT Disable() noexcept;
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[[nodiscard]] HRESULT SetHwnd(const HWND hwnd) noexcept;
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[[nodiscard]] HRESULT SetWindowSize(const SIZE pixels) noexcept;
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void SetCallback(std::function<void()> pfn);
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::Microsoft::WRL::ComPtr<IDXGISwapChain1> GetSwapChain();
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// IRenderEngine Members
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[[nodiscard]] HRESULT Invalidate(const SMALL_RECT* const psrRegion) noexcept override;
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[[nodiscard]] HRESULT InvalidateCursor(const COORD* const pcoordCursor) noexcept override;
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[[nodiscard]] HRESULT InvalidateSystem(const RECT* const prcDirtyClient) noexcept override;
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[[nodiscard]] HRESULT InvalidateSelection(const std::vector<SMALL_RECT>& rectangles) noexcept override;
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[[nodiscard]] HRESULT InvalidateScroll(const COORD* const pcoordDelta) noexcept override;
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[[nodiscard]] HRESULT InvalidateAll() noexcept override;
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[[nodiscard]] HRESULT InvalidateCircling(_Out_ bool* const pForcePaint) noexcept override;
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[[nodiscard]] HRESULT PrepareForTeardown(_Out_ bool* const pForcePaint) noexcept override;
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[[nodiscard]] HRESULT StartPaint() noexcept override;
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[[nodiscard]] HRESULT EndPaint() noexcept override;
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[[nodiscard]] HRESULT Present() noexcept override;
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[[nodiscard]] HRESULT ScrollFrame() noexcept override;
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[[nodiscard]] HRESULT PaintBackground() noexcept override;
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[[nodiscard]] HRESULT PaintBufferLine(std::basic_string_view<Cluster> const clusters,
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COORD const coord,
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bool const fTrimLeft) noexcept override;
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[[nodiscard]] HRESULT PaintBufferGridLines(GridLines const lines, COLORREF const color, size_t const cchLine, COORD const coordTarget) noexcept override;
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[[nodiscard]] HRESULT PaintSelection(const SMALL_RECT rect) noexcept override;
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[[nodiscard]] HRESULT PaintCursor(const CursorOptions& options) noexcept override;
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[[nodiscard]] HRESULT UpdateDrawingBrushes(COLORREF const colorForeground,
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COLORREF const colorBackground,
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const WORD legacyColorAttribute,
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const ExtendedAttributes extendedAttrs,
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bool const isSettingDefaultBrushes) noexcept override;
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[[nodiscard]] HRESULT UpdateFont(const FontInfoDesired& fiFontInfoDesired, FontInfo& fiFontInfo) noexcept override;
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[[nodiscard]] HRESULT UpdateDpi(int const iDpi) noexcept override;
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[[nodiscard]] HRESULT UpdateViewport(const SMALL_RECT srNewViewport) noexcept override;
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[[nodiscard]] HRESULT GetProposedFont(const FontInfoDesired& fiFontInfoDesired, FontInfo& fiFontInfo, int const iDpi) noexcept override;
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[[nodiscard]] SMALL_RECT GetDirtyRectInChars() noexcept override;
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[[nodiscard]] HRESULT GetFontSize(_Out_ COORD* const pFontSize) noexcept override;
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[[nodiscard]] HRESULT IsGlyphWideByFont(const std::wstring_view glyph, _Out_ bool* const pResult) noexcept override;
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[[nodiscard]] ::Microsoft::Console::Types::Viewport GetViewportInCharacters(const ::Microsoft::Console::Types::Viewport& viewInPixels) noexcept;
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float GetScaling() const noexcept;
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protected:
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[[nodiscard]] HRESULT _DoUpdateTitle(_In_ const std::wstring& newTitle) noexcept override;
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private:
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enum class SwapChainMode
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{
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ForHwnd,
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ForComposition
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};
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SwapChainMode _chainMode;
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HWND _hwndTarget;
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SIZE _sizeTarget;
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int _dpi;
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float _scale;
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std::function<void()> _pfn;
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bool _isEnabled;
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bool _isPainting;
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SIZE _displaySizePixels;
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SIZE _glyphCell;
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D2D1_COLOR_F _defaultForegroundColor;
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D2D1_COLOR_F _defaultBackgroundColor;
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D2D1_COLOR_F _foregroundColor;
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D2D1_COLOR_F _backgroundColor;
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[[nodiscard]] RECT _GetDisplayRect() const noexcept;
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bool _isInvalidUsed;
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RECT _invalidRect;
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SIZE _invalidScroll;
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void _InvalidOr(SMALL_RECT sr) noexcept;
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void _InvalidOr(RECT rc) noexcept;
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void _InvalidOffset(POINT pt);
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bool _presentReady;
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RECT _presentDirty;
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RECT _presentScroll;
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POINT _presentOffset;
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DXGI_PRESENT_PARAMETERS _presentParams;
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static const ULONG s_ulMinCursorHeightPercent = 25;
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static const ULONG s_ulMaxCursorHeightPercent = 100;
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// Device-Independent Resources
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::Microsoft::WRL::ComPtr<ID2D1Factory> _d2dFactory;
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::Microsoft::WRL::ComPtr<IDWriteFactory1> _dwriteFactory;
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::Microsoft::WRL::ComPtr<IDWriteTextFormat> _dwriteTextFormat;
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::Microsoft::WRL::ComPtr<IDWriteFontFace1> _dwriteFontFace;
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::Microsoft::WRL::ComPtr<IDWriteTextAnalyzer1> _dwriteTextAnalyzer;
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::Microsoft::WRL::ComPtr<CustomTextRenderer> _customRenderer;
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::Microsoft::WRL::ComPtr<ID2D1StrokeStyle> _strokeStyle;
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// Device-Dependent Resources
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bool _haveDeviceResources;
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::Microsoft::WRL::ComPtr<ID3D11Device> _d3dDevice;
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::Microsoft::WRL::ComPtr<ID3D11DeviceContext> _d3dDeviceContext;
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::Microsoft::WRL::ComPtr<IDXGIFactory2> _dxgiFactory2;
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::Microsoft::WRL::ComPtr<IDXGISurface> _dxgiSurface;
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::Microsoft::WRL::ComPtr<ID2D1RenderTarget> _d2dRenderTarget;
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::Microsoft::WRL::ComPtr<ID2D1SolidColorBrush> _d2dBrushForeground;
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::Microsoft::WRL::ComPtr<ID2D1SolidColorBrush> _d2dBrushBackground;
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::Microsoft::WRL::ComPtr<IDXGISwapChain1> _dxgiSwapChain;
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[[nodiscard]] HRESULT _CreateDeviceResources(const bool createSwapChain) noexcept;
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[[nodiscard]] HRESULT _PrepareRenderTarget() noexcept;
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void _ReleaseDeviceResources() noexcept;
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[[nodiscard]] HRESULT _CreateTextLayout(
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_In_reads_(StringLength) PCWCHAR String,
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_In_ size_t StringLength,
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_Out_ IDWriteTextLayout** ppTextLayout) noexcept;
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[[nodiscard]] HRESULT _CopyFrontToBack() noexcept;
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[[nodiscard]] HRESULT _EnableDisplayAccess(const bool outputEnabled) noexcept;
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[[nodiscard]] ::Microsoft::WRL::ComPtr<IDWriteFontFace1> _ResolveFontFaceWithFallback(std::wstring& familyName,
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DWRITE_FONT_WEIGHT& weight,
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DWRITE_FONT_STRETCH& stretch,
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DWRITE_FONT_STYLE& style,
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std::wstring& localeName) const;
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[[nodiscard]] ::Microsoft::WRL::ComPtr<IDWriteFontFace1> _FindFontFace(std::wstring& familyName,
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DWRITE_FONT_WEIGHT& weight,
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DWRITE_FONT_STRETCH& stretch,
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DWRITE_FONT_STYLE& style,
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std::wstring& localeName) const;
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[[nodiscard]] std::wstring _GetLocaleName() const;
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[[nodiscard]] std::wstring _GetFontFamilyName(gsl::not_null<IDWriteFontFamily*> const fontFamily,
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std::wstring& localeName) const;
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[[nodiscard]] HRESULT _GetProposedFont(const FontInfoDesired& desired,
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FontInfo& actual,
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const int dpi,
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::Microsoft::WRL::ComPtr<IDWriteTextFormat>& textFormat,
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::Microsoft::WRL::ComPtr<IDWriteTextAnalyzer1>& textAnalyzer,
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::Microsoft::WRL::ComPtr<IDWriteFontFace1>& fontFace) const noexcept;
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[[nodiscard]] COORD _GetFontSize() const noexcept;
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[[nodiscard]] SIZE _GetClientSize() const noexcept;
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[[nodiscard]] D2D1_COLOR_F _ColorFFromColorRef(const COLORREF color) noexcept;
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// Routine Description:
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// - Helps convert a Direct2D ColorF into a DXGI RGBA
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// Arguments:
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// - color - Direct2D Color F
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// Return Value:
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// - DXGI RGBA
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[[nodiscard]] constexpr DXGI_RGBA s_RgbaFromColorF(const D2D1_COLOR_F color) noexcept
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{
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return { color.r, color.g, color.b, color.a };
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}
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};
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}
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