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

77 строки
2.1 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_SCALEDFONTCAIRO_H_
#define MOZILLA_GFX_SCALEDFONTCAIRO_H_
#include "ScaledFontBase.h"
#include <cairo-ft.h>
namespace mozilla {
namespace gfx {
class UnscaledFontFreeType;
class ScaledFontFreeType : public ScaledFontBase {
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(ScaledFontFreeType, override)
ScaledFontFreeType(RefPtr<SharedFTFace>&& aFace,
const RefPtr<UnscaledFont>& aUnscaledFont, Float aSize,
bool aApplySyntheticBold = false);
FontType GetType() const override { return FontType::FREETYPE; }
#ifdef USE_SKIA
SkTypeface* CreateSkTypeface() override;
void SetupSkFontDrawOptions(SkFont& aFont) override;
#endif
AntialiasMode GetDefaultAAMode() override { return AntialiasMode::GRAY; }
bool UseSubpixelPosition() const;
bool CanSerialize() override { return true; }
bool GetFontInstanceData(FontInstanceDataOutput aCb, void* aBaton) override;
bool GetWRFontInstanceOptions(
Maybe<wr::FontInstanceOptions>* aOutOptions,
Maybe<wr::FontInstancePlatformOptions>* aOutPlatformOptions,
std::vector<FontVariation>* aOutVariations) override;
bool HasVariationSettings() override;
protected:
#ifdef USE_CAIRO_SCALED_FONT
cairo_font_face_t* CreateCairoFontFace(
cairo_font_options_t* aFontOptions) override;
#endif
private:
friend UnscaledFontFreeType;
RefPtr<SharedFTFace> mFace;
bool mApplySyntheticBold;
struct InstanceData {
explicit InstanceData(ScaledFontFreeType* aScaledFont)
: mApplySyntheticBold(aScaledFont->mApplySyntheticBold) {}
InstanceData(const wr::FontInstanceOptions* aOptions,
const wr::FontInstancePlatformOptions* aPlatformOptions);
bool mApplySyntheticBold;
};
};
} // namespace gfx
} // namespace mozilla
#endif /* MOZILLA_GFX_SCALEDFONTCAIRO_H_ */