Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
       2             :  * This Source Code Form is subject to the terms of the Mozilla Public
       3             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : #ifndef MATHMLTEXTRUNFACTORY_H_
       7             : #define MATHMLTEXTRUNFACTORY_H_
       8             : 
       9             : #include "mozilla/UniquePtr.h"
      10             : #include "nsTextRunTransformations.h"
      11             : 
      12             : /**
      13             :  * Builds textruns that render their text with MathML specific renderings.
      14             :  */
      15           0 : class MathMLTextRunFactory : public nsTransformingTextRunFactory {
      16             : public:
      17           0 :   MathMLTextRunFactory(mozilla::UniquePtr<nsTransformingTextRunFactory> aInnerTransformingTextRunFactory,
      18             :                        uint32_t aFlags, uint8_t aSSTYScriptLevel,
      19             :                        float aFontInflation)
      20           0 :     : mInnerTransformingTextRunFactory(Move(aInnerTransformingTextRunFactory)),
      21             :       mFlags(aFlags),
      22             :       mFontInflation(aFontInflation),
      23           0 :       mSSTYScriptLevel(aSSTYScriptLevel) {}
      24             : 
      25             :   virtual void RebuildTextRun(nsTransformedTextRun* aTextRun,
      26             :                               mozilla::gfx::DrawTarget* aRefDrawTarget,
      27             :                               gfxMissingFontRecorder* aMFR) override;
      28             :   enum {
      29             :     // Style effects which may override single character <mi> behaviour
      30             :     MATH_FONT_STYLING_NORMAL   = 0x1, // fontstyle="normal" has been set.
      31             :     MATH_FONT_WEIGHT_BOLD      = 0x2, // fontweight="bold" has been set.
      32             :     MATH_FONT_FEATURE_DTLS     = 0x4, // font feature dtls should be set
      33             :   };
      34             : 
      35             : protected:
      36             :   mozilla::UniquePtr<nsTransformingTextRunFactory> mInnerTransformingTextRunFactory;
      37             :   uint32_t mFlags;
      38             :   float mFontInflation;
      39             :   uint8_t mSSTYScriptLevel;
      40             : };
      41             : 
      42             : #endif /*MATHMLTEXTRUNFACTORY_H_*/