1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #ifndef MOZILLA_GFX_SCALEDFONTFONTCONFIG_H_ 8 #define MOZILLA_GFX_SCALEDFONTFONTCONFIG_H_ 9 10 #include "ScaledFontBase.h" 11 12 #include <cairo-ft.h> 13 14 namespace mozilla { 15 namespace gfx { 16 17 class NativeFontResourceFontconfig; 18 class UnscaledFontFontconfig; 19 20 class ScaledFontFontconfig : public ScaledFontBase { 21 public: 22 MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(ScaledFontFontconfig, override) 23 ScaledFontFontconfig(RefPtr<SharedFTFace>&& aFace, FcPattern* aPattern, 24 const RefPtr<UnscaledFont>& aUnscaledFont, Float aSize); 25 GetType()26 FontType GetType() const override { return FontType::FONTCONFIG; } 27 28 #ifdef USE_SKIA 29 SkTypeface* CreateSkTypeface() override; 30 void SetupSkFontDrawOptions(SkFont& aFont) override; 31 #endif 32 33 AntialiasMode GetDefaultAAMode() override; 34 35 bool UseSubpixelPosition() const; 36 CanSerialize()37 bool CanSerialize() override { return true; } 38 39 bool GetFontInstanceData(FontInstanceDataOutput aCb, void* aBaton) override; 40 41 bool GetWRFontInstanceOptions( 42 Maybe<wr::FontInstanceOptions>* aOutOptions, 43 Maybe<wr::FontInstancePlatformOptions>* aOutPlatformOptions, 44 std::vector<FontVariation>* aOutVariations) override; 45 46 bool HasVariationSettings() override; 47 48 protected: 49 #ifdef USE_CAIRO_SCALED_FONT 50 cairo_font_face_t* CreateCairoFontFace( 51 cairo_font_options_t* aFontOptions) override; 52 #endif 53 54 private: 55 friend class NativeFontResourceFontconfig; 56 friend class UnscaledFontFontconfig; 57 58 struct InstanceData { 59 enum { 60 AUTOHINT = 1 << 0, 61 EMBEDDED_BITMAP = 1 << 1, 62 EMBOLDEN = 1 << 2, 63 HINT_METRICS = 1 << 3, 64 LCD_VERTICAL = 1 << 4, 65 SUBPIXEL_BGR = 1 << 5, 66 }; 67 68 explicit InstanceData(FcPattern* aPattern); 69 InstanceData(const wr::FontInstanceOptions* aOptions, 70 const wr::FontInstancePlatformOptions* aPlatformOptions); 71 72 void SetupFontOptions(cairo_font_options_t* aFontOptions, 73 int* aOutLoadFlags, 74 unsigned int* aOutSynthFlags) const; 75 76 uint8_t mFlags; 77 AntialiasMode mAntialias; 78 FontHinting mHinting; 79 uint8_t mLcdFilter; 80 }; 81 82 ScaledFontFontconfig(RefPtr<SharedFTFace>&& aFace, 83 const InstanceData& aInstanceData, 84 const RefPtr<UnscaledFont>& aUnscaledFont, Float aSize); 85 86 RefPtr<SharedFTFace> mFace; 87 InstanceData mInstanceData; 88 }; 89 90 } // namespace gfx 91 } // namespace mozilla 92 93 #endif /* MOZILLA_GFX_SCALEDFONTFONTCONFIG_H_ */ 94