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Gfx: Add __D2DParams option to allow testing D2D text rendering options
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@ -84,6 +84,9 @@ public:
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virtual void SetAntiAliasing(bool enable) = 0;
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virtual void SetTextAntiAliasing(bool enable) = 0;
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// FIXME: Temporary hack to test things out. This will be removed when no longer needed.
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virtual void SetTextRenderingOptions(float gamma, float enhancedContrast) {};
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virtual void Clear(const Gdiplus::Color& color = Gdiplus::Color(0, 0, 0, 0)) = 0;
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virtual void DrawTextW(const WCHAR* str, UINT strLen, const TextFormat& format, Gdiplus::RectF& rect, const Gdiplus::SolidBrush& brush) = 0;
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@ -167,6 +167,10 @@ bool CanvasD2D::BeginTargetDraw()
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if (SUCCEEDED(hr))
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{
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SetTextAntiAliasing(m_TextAntiAliasing);
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if (m_TextRenderingParams)
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{
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m_Target->SetTextRenderingParams(m_TextRenderingParams.Get());
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}
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m_Target->BeginDraw();
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@ -295,6 +299,27 @@ void CanvasD2D::SetTextAntiAliasing(bool enable)
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}
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}
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void CanvasD2D::SetTextRenderingOptions(float gamma, float enhancedContrast)
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{
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Microsoft::WRL::ComPtr<IDWriteRenderingParams> defaultRenderingParams;
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HRESULT hr = c_DWFactory->CreateRenderingParams(defaultRenderingParams.GetAddressOf());
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if (SUCCEEDED(hr))
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{
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hr = c_DWFactory->CreateCustomRenderingParams(
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gamma,
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enhancedContrast,
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defaultRenderingParams->GetClearTypeLevel(),
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defaultRenderingParams->GetPixelGeometry(),
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defaultRenderingParams->GetRenderingMode(),
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m_TextRenderingParams.ReleaseAndGetAddressOf());
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}
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if (SUCCEEDED(hr) && m_Target)
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{
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m_Target->SetTextRenderingParams(m_TextRenderingParams.Get());
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}
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}
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void CanvasD2D::Clear(const Gdiplus::Color& color)
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{
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if (!m_Target) // Use GDI+ if D2D render target has not been created.
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@ -60,6 +60,7 @@ public:
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virtual void SetAntiAliasing(bool enable) override;
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virtual void SetTextAntiAliasing(bool enable) override;
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virtual void SetTextRenderingOptions(float gamma, float enhancedContrast) override;
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virtual void Clear(const Gdiplus::Color& color) override;
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@ -90,6 +91,9 @@ private:
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void UpdateTargetTransform();
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Microsoft::WRL::ComPtr<ID2D1RenderTarget> m_Target;
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Microsoft::WRL::ComPtr<IDWriteRenderingParams> m_TextRenderingParams;
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// Underlying pixel data shared by both m_Target and m_GdipBitmap.
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Util::WICBitmapDIB m_Bitmap;
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// GDI+ objects that share the pixel data of m_Bitmap.
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