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61 lines
2.0 KiB
C++
61 lines
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_gfx_NativeFontResourceDWrite_h
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#define mozilla_gfx_NativeFontResourceDWrite_h
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#include <dwrite.h>
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#include "2D.h"
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#include "mozilla/AlreadyAddRefed.h"
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namespace mozilla {
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namespace gfx {
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class NativeFontResourceDWrite final : public NativeFontResource {
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public:
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MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(NativeFontResourceDWrite, override)
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/**
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* Creates a NativeFontResourceDWrite if data is valid. Note aFontData will be
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* copied if required and so can be released after calling.
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*
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* @param aFontData the SFNT data.
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* @param aDataLength length of data.
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* @return Referenced NativeFontResourceDWrite or nullptr if invalid.
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*/
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static already_AddRefed<NativeFontResourceDWrite> Create(
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uint8_t* aFontData, uint32_t aDataLength);
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already_AddRefed<UnscaledFont> CreateUnscaledFont(
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uint32_t aIndex, const uint8_t* aInstanceData,
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uint32_t aInstanceDataLength) final;
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private:
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NativeFontResourceDWrite(
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IDWriteFactory* aFactory, already_AddRefed<IDWriteFontFile> aFontFile,
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already_AddRefed<IDWriteFontFileStream> aFontFileStream,
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DWRITE_FONT_FACE_TYPE aFaceType, uint32_t aNumberOfFaces,
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size_t aDataLength)
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: NativeFontResource(aDataLength),
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mFactory(aFactory),
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mFontFile(aFontFile),
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mFontFileStream(aFontFileStream),
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mFaceType(aFaceType),
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mNumberOfFaces(aNumberOfFaces) {}
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IDWriteFactory* mFactory;
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RefPtr<IDWriteFontFile> mFontFile;
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RefPtr<IDWriteFontFileStream> mFontFileStream;
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DWRITE_FONT_FACE_TYPE mFaceType;
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uint32_t mNumberOfFaces;
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};
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} // namespace gfx
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} // namespace mozilla
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#endif // mozilla_gfx_NativeFontResourceDWrite_h
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