gecko-dev/gfx/2d/UnscaledFontDWrite.h

52 строки
1.6 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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_UNSCALEDFONTDWRITE_H_
#define MOZILLA_GFX_UNSCALEDFONTDWRITE_H_
#include <dwrite.h>
#include "2D.h"
namespace mozilla {
namespace gfx {
class UnscaledFontDWrite final : public UnscaledFont
{
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(UnscaledFontDWrite, override)
explicit UnscaledFontDWrite(const RefPtr<IDWriteFontFace>& aFontFace,
DWRITE_FONT_SIMULATIONS aSimulations =
DWRITE_FONT_SIMULATIONS_NONE,
bool aNeedsCairo = false)
: mFontFace(aFontFace)
, mSimulations(aSimulations)
, mNeedsCairo(aNeedsCairo)
{}
FontType GetType() const override { return FontType::DWRITE; }
const RefPtr<IDWriteFontFace> GetFontFace() const { return mFontFace; }
DWRITE_FONT_SIMULATIONS GetSimulations() const { return mSimulations; }
bool GetFontFileData(FontFileDataOutput aDataCallback, void *aBaton) override;
already_AddRefed<ScaledFont>
CreateScaledFont(Float aGlyphSize,
const uint8_t* aInstanceData,
uint32_t aInstanceDataLength) override;
private:
RefPtr<IDWriteFontFace> mFontFace;
DWRITE_FONT_SIMULATIONS mSimulations;
bool mNeedsCairo;
};
} // namespace gfx
} // namespace mozilla
#endif /* MOZILLA_GFX_UNSCALEDFONTDWRITE_H_ */