gecko-dev/gfx/2d/NativeFontResourceDWrite.h
Sylvestre Ledru e226046cb8 Bug 1547143 - Format the tree: Be prescriptive with the pointer style (left) r=Ehsan
# ignore-this-changeset

Depends on D28954

Differential Revision: https://phabricator.services.mozilla.com/D28956

--HG--
extra : moz-landing-system : lando
2019-05-01 08:47:10 +00:00

64 lines
2.2 KiB
C++

/* -*- 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.
* @param aNeedsCairo whether the ScaledFont created needs a cairo scaled font
* @return Referenced NativeFontResourceDWrite or nullptr if invalid.
*/
static already_AddRefed<NativeFontResourceDWrite> Create(uint8_t* aFontData,
uint32_t aDataLength,
bool aNeedsCairo);
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,
bool aNeedsCairo)
: mFactory(aFactory),
mFontFile(aFontFile),
mFontFileStream(aFontFileStream),
mFaceType(aFaceType),
mNumberOfFaces(aNumberOfFaces),
mNeedsCairo(aNeedsCairo) {}
IDWriteFactory* mFactory;
RefPtr<IDWriteFontFile> mFontFile;
RefPtr<IDWriteFontFileStream> mFontFileStream;
DWRITE_FONT_FACE_TYPE mFaceType;
uint32_t mNumberOfFaces;
bool mNeedsCairo;
};
} // namespace gfx
} // namespace mozilla
#endif // mozilla_gfx_NativeFontResourceDWrite_h