зеркало из https://github.com/mozilla/gecko-dev.git
60 строки
2.0 KiB
C++
60 строки
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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{
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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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* @param aNeedsCairo whether the ScaledFont created needs a cairo scaled font
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* @return Referenced NativeFontResourceDWrite or nullptr if invalid.
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*/
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static already_AddRefed<NativeFontResourceDWrite>
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Create(uint8_t *aFontData, uint32_t aDataLength, bool aNeedsCairo);
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already_AddRefed<UnscaledFont>
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CreateUnscaledFont(uint32_t aIndex,
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const uint8_t* aInstanceData,
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uint32_t aInstanceDataLength) final override;
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private:
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NativeFontResourceDWrite(IDWriteFactory *aFactory,
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already_AddRefed<IDWriteFontFile> aFontFile,
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DWRITE_FONT_FACE_TYPE aFaceType,
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uint32_t aNumberOfFaces, bool aNeedsCairo)
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: mFactory(aFactory), mFontFile(aFontFile), mFaceType(aFaceType)
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, mNumberOfFaces(aNumberOfFaces), mNeedsCairo(aNeedsCairo)
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{}
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IDWriteFactory *mFactory;
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RefPtr<IDWriteFontFile> mFontFile;
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DWRITE_FONT_FACE_TYPE mFaceType;
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uint32_t mNumberOfFaces;
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bool mNeedsCairo;
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};
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} // gfx
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} // mozilla
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#endif // mozilla_gfx_NativeFontResourceDWrite_h
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