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Diffstat (limited to '')
-rw-r--r-- | gfx/2d/ScaledFontFontconfig.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/gfx/2d/ScaledFontFontconfig.h b/gfx/2d/ScaledFontFontconfig.h new file mode 100644 index 0000000000..e6dfd48097 --- /dev/null +++ b/gfx/2d/ScaledFontFontconfig.h @@ -0,0 +1,91 @@ +/* -*- 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(RefPtr<SharedFTFace>&& aFace, FcPattern* aPattern, + const RefPtr<UnscaledFont>& aUnscaledFont, Float aSize); + + FontType GetType() const override { return FontType::FONTCONFIG; } + + SkTypeface* CreateSkTypeface() override; + void SetupSkFontDrawOptions(SkFont& aFont) override; + + AntialiasMode GetDefaultAAMode() override; + + bool UseSubpixelPosition() const override; + + bool CanSerialize() override { return true; } + + bool MayUseBitmaps() override; + + 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: + cairo_font_face_t* CreateCairoFontFace( + cairo_font_options_t* aFontOptions) override; + + private: + friend class NativeFontResourceFontconfig; + friend class UnscaledFontFontconfig; + + struct InstanceData { + enum { + AUTOHINT = 1 << 0, + EMBEDDED_BITMAP = 1 << 1, + EMBOLDEN = 1 << 2, + HINT_METRICS = 1 << 3, + LCD_VERTICAL = 1 << 4, + SUBPIXEL_BGR = 1 << 5, + }; + + explicit InstanceData(FcPattern* aPattern); + InstanceData(const wr::FontInstanceOptions* aOptions, + const wr::FontInstancePlatformOptions* aPlatformOptions); + + void SetupFontOptions(cairo_font_options_t* aFontOptions, + int* aOutLoadFlags, + unsigned int* aOutSynthFlags) const; + + uint8_t mFlags; + AntialiasMode mAntialias; + FontHinting mHinting; + uint8_t mLcdFilter; + }; + + ScaledFontFontconfig(RefPtr<SharedFTFace>&& aFace, + const InstanceData& aInstanceData, + const RefPtr<UnscaledFont>& aUnscaledFont, Float aSize); + + RefPtr<SharedFTFace> mFace; + InstanceData mInstanceData; +}; + +} // namespace gfx +} // namespace mozilla + +#endif /* MOZILLA_GFX_SCALEDFONTFONTCONFIG_H_ */ |