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

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/* -*- 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_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)
UnscaledFontDWrite(const RefPtr<IDWriteFontFace>& aFontFace,
const RefPtr<IDWriteFont>& aFont,
DWRITE_FONT_SIMULATIONS aSimulations = DWRITE_FONT_SIMULATIONS_NONE,
bool aNeedsCairo = false)
: mFontFace(aFontFace)
, mFont(aFont)
, mSimulations(aSimulations)
, mNeedsCairo(aNeedsCairo)
{}
FontType GetType() const override { return FontType::DWRITE; }
const RefPtr<IDWriteFontFace>& GetFontFace() const { return mFontFace; }
const RefPtr<IDWriteFont>& GetFont() const { return mFont; }
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,
const FontVariation* aVariations,
uint32_t aNumVariations) override;
bool GetWRFontDescriptor(WRFontDescriptorOutput aCb, void* aBaton) override;
private:
RefPtr<IDWriteFontFace> mFontFace;
RefPtr<IDWriteFont> mFont;
DWRITE_FONT_SIMULATIONS mSimulations;
bool mNeedsCairo;
};
} // namespace gfx
} // namespace mozilla
#endif /* MOZILLA_GFX_UNSCALEDFONTDWRITE_H_ */