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 -*- */
|
|
/* 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,
|
|
DWRITE_FONT_FACE_TYPE aFaceType,
|
|
uint32_t aNumberOfFaces, bool aNeedsCairo)
|
|
: mFactory(aFactory), mFontFile(aFontFile), mFaceType(aFaceType)
|
|
, mNumberOfFaces(aNumberOfFaces), mNeedsCairo(aNeedsCairo)
|
|
{}
|
|
|
|
IDWriteFactory *mFactory;
|
|
RefPtr<IDWriteFontFile> mFontFile;
|
|
DWRITE_FONT_FACE_TYPE mFaceType;
|
|
uint32_t mNumberOfFaces;
|
|
bool mNeedsCairo;
|
|
};
|
|
|
|
} // gfx
|
|
} // mozilla
|
|
|
|
#endif // mozilla_gfx_NativeFontResourceDWrite_h
|