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diff --git a/gfx/2d/UnscaledFontDWrite.h b/gfx/2d/UnscaledFontDWrite.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef MOZILLA_GFX_UNSCALEDFONTDWRITE_H_
+#define MOZILLA_GFX_UNSCALEDFONTDWRITE_H_
+
+#include <dwrite.h>
+
+#include "2D.h"
+
+namespace mozilla {
+namespace gfx {
+
+class ScaledFontDWrite;
+
+class UnscaledFontDWrite final : public UnscaledFont {
+ public:
+ MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(UnscaledFontDWrite, override)
+ UnscaledFontDWrite(const RefPtr<IDWriteFontFace>& aFontFace,
+ const RefPtr<IDWriteFont>& aFont)
+ : mFontFace(aFontFace), mFont(aFont) {}
+
+ FontType GetType() const override { return FontType::DWRITE; }
+
+ const RefPtr<IDWriteFontFace>& GetFontFace() const { return mFontFace; }
+ const RefPtr<IDWriteFont>& GetFont() const { return mFont; }
+
+ bool GetFontFileData(FontFileDataOutput aDataCallback, void* aBaton) override;
+
+ already_AddRefed<ScaledFont> CreateScaledFont(
+ Float aGlyphSize, const uint8_t* aInstanceData,
+ uint32_t aInstanceDataLength, const FontVariation* aVariations,
+ uint32_t aNumVariations) override;
+
+ already_AddRefed<ScaledFont> CreateScaledFontFromWRFont(
+ Float aGlyphSize, const wr::FontInstanceOptions* aOptions,
+ const wr::FontInstancePlatformOptions* aPlatformOptions,
+ const FontVariation* aVariations, uint32_t aNumVariations) override;
+
+ bool GetFontDescriptor(FontDescriptorOutput aCb, void* aBaton) override;
+
+ static already_AddRefed<UnscaledFont> CreateFromFontDescriptor(
+ const uint8_t* aData, uint32_t aDataLength, uint32_t aIndex);
+
+ private:
+ bool InitBold();
+
+ RefPtr<IDWriteFontFace> mFontFace;
+ RefPtr<IDWriteFontFace> mFontFaceBold;
+ RefPtr<IDWriteFont> mFont;
+};
+
+} // namespace gfx
+} // namespace mozilla
+
+#endif /* MOZILLA_GFX_UNSCALEDFONTDWRITE_H_ */