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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_NativeFontResourceDWrite_h
+#define mozilla_gfx_NativeFontResourceDWrite_h
+
+#include <dwrite.h>
+
+#include "2D.h"
+#include "mozilla/AlreadyAddRefed.h"
+
+namespace mozilla {
+namespace gfx {
+
+class NativeFontResourceDWrite final : public NativeFontResource {
+ public:
+ MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(NativeFontResourceDWrite, override)
+
+ /**
+ * Creates a NativeFontResourceDWrite if data is valid. Note aFontData will be
+ * copied if required and so can be released after calling.
+ *
+ * @param aFontData the SFNT data.
+ * @param aDataLength length of data.
+ * @return Referenced NativeFontResourceDWrite or nullptr if invalid.
+ */
+ static already_AddRefed<NativeFontResourceDWrite> Create(
+ uint8_t* aFontData, uint32_t aDataLength);
+
+ already_AddRefed<UnscaledFont> CreateUnscaledFont(
+ uint32_t aIndex, const uint8_t* aInstanceData,
+ uint32_t aInstanceDataLength) final;
+
+ private:
+ NativeFontResourceDWrite(
+ IDWriteFactory* aFactory, already_AddRefed<IDWriteFontFile> aFontFile,
+ already_AddRefed<IDWriteFontFileStream> aFontFileStream,
+ DWRITE_FONT_FACE_TYPE aFaceType, uint32_t aNumberOfFaces,
+ size_t aDataLength)
+ : NativeFontResource(aDataLength),
+ mFactory(aFactory),
+ mFontFile(aFontFile),
+ mFontFileStream(aFontFileStream),
+ mFaceType(aFaceType),
+ mNumberOfFaces(aNumberOfFaces) {}
+
+ IDWriteFactory* mFactory;
+ RefPtr<IDWriteFontFile> mFontFile;
+ RefPtr<IDWriteFontFileStream> mFontFileStream;
+ DWRITE_FONT_FACE_TYPE mFaceType;
+ uint32_t mNumberOfFaces;
+};
+
+} // namespace gfx
+} // namespace mozilla
+
+#endif // mozilla_gfx_NativeFontResourceDWrite_h