gecko-dev/gfx/2d/ScaledFontFontconfig.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_SCALEDFONTFONTCONFIG_H_
#define MOZILLA_GFX_SCALEDFONTFONTCONFIG_H_
#include "ScaledFontBase.h"
#include <cairo-ft.h>
namespace mozilla {
namespace gfx {
class NativeFontResourceFontconfig;
class UnscaledFontFontconfig;
class ScaledFontFontconfig : public ScaledFontBase
{
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(ScaledFontFontconfig, override)
ScaledFontFontconfig(cairo_scaled_font_t* aScaledFont, FcPattern* aPattern,
const RefPtr<UnscaledFont>& aUnscaledFont, Float aSize);
~ScaledFontFontconfig();
FontType GetType() const override { return FontType::FONTCONFIG; }
#ifdef USE_SKIA
SkTypeface* GetSkTypeface() override;
#endif
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;
private:
friend class NativeFontResourceFontconfig;
friend class UnscaledFontFontconfig;
struct InstanceData
{
enum {
ANTIALIAS = 1 << 0,
AUTOHINT = 1 << 1,
EMBEDDED_BITMAP = 1 << 2,
EMBOLDEN = 1 << 3,
VERTICAL_LAYOUT = 1 << 4,
HINT_METRICS = 1 << 5
};
InstanceData(cairo_scaled_font_t* aScaledFont, FcPattern* aPattern);
void SetupPattern(FcPattern* aPattern) const;
void SetupFontOptions(cairo_font_options_t* aFontOptions) const;
void SetupFontMatrix(cairo_matrix_t* aFontMatrix) const;
uint8_t mFlags;
uint8_t mHintStyle;
uint8_t mSubpixelOrder;
uint8_t mLcdFilter;
Float mScale;
Float mSkew;
};
static already_AddRefed<ScaledFont>
CreateFromInstanceData(const InstanceData& aInstanceData,
UnscaledFontFontconfig* aUnscaledFont,
Float aSize,
NativeFontResource* aNativeFontResource = nullptr);
FcPattern* mPattern;
};
}
}
#endif /* MOZILLA_GFX_SCALEDFONTFONTCONFIG_H_ */