MathMLTextRunFactory.h (1731B)
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 MATHMLTEXTRUNFACTORY_H_ 8 #define MATHMLTEXTRUNFACTORY_H_ 9 10 #include "mozilla/UniquePtr.h" 11 #include "nsTextRunTransformations.h" 12 13 /** 14 * Builds textruns that render their text with MathML specific renderings. 15 */ 16 class MathMLTextRunFactory : public nsTransformingTextRunFactory { 17 public: 18 MathMLTextRunFactory(mozilla::UniquePtr<nsTransformingTextRunFactory> 19 aInnerTransformingTextRunFactory, 20 uint32_t aFlags, uint8_t aSSTYScriptLevel, 21 float aFontInflation) 22 : mInnerTransformingTextRunFactory( 23 std::move(aInnerTransformingTextRunFactory)), 24 mFlags(aFlags), 25 mFontInflation(aFontInflation), 26 mSSTYScriptLevel(aSSTYScriptLevel) {} 27 28 static uint32_t MathVariant(uint32_t aCh, mozilla::StyleMathVariant aMathVar); 29 virtual void RebuildTextRun(nsTransformedTextRun* aTextRun, 30 mozilla::gfx::DrawTarget* aRefDrawTarget, 31 gfxMissingFontRecorder* aMFR) override; 32 enum { 33 // Style effects which may override single character <mi> behaviour 34 MATH_FONT_FEATURE_DTLS = 0x4, // font feature dtls should be set 35 }; 36 37 protected: 38 mozilla::UniquePtr<nsTransformingTextRunFactory> 39 mInnerTransformingTextRunFactory; 40 uint32_t mFlags; 41 float mFontInflation; 42 uint8_t mSSTYScriptLevel; 43 }; 44 45 #endif /*MATHMLTEXTRUNFACTORY_H_*/