gecko-dev/layout/generic/MathMLTextRunFactory.h

43 lines
1.6 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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 MATHMLTEXTRUNFACTORY_H_
#define MATHMLTEXTRUNFACTORY_H_
#include "mozilla/UniquePtr.h"
#include "nsTextRunTransformations.h"
/**
* Builds textruns that render their text with MathML specific renderings.
*/
class MathMLTextRunFactory : public nsTransformingTextRunFactory {
public:
MathMLTextRunFactory(UniquePtr<nsTransformingTextRunFactory> aInnerTransformingTextRunFactory,
uint32_t aFlags, uint8_t aSSTYScriptLevel,
float aFontInflation)
: mInnerTransformingTextRunFactory(Move(aInnerTransformingTextRunFactory)),
mFlags(aFlags),
mFontInflation(aFontInflation),
mSSTYScriptLevel(aSSTYScriptLevel) {}
virtual void RebuildTextRun(nsTransformedTextRun* aTextRun,
mozilla::gfx::DrawTarget* aRefDrawTarget,
gfxMissingFontRecorder* aMFR) override;
enum {
// Style effects which may override single character <mi> behaviour
MATH_FONT_STYLING_NORMAL = 0x1, // fontstyle="normal" has been set.
MATH_FONT_WEIGHT_BOLD = 0x2, // fontweight="bold" has been set.
MATH_FONT_FEATURE_DTLS = 0x4, // font feature dtls should be set
};
protected:
UniquePtr<nsTransformingTextRunFactory> mInnerTransformingTextRunFactory;
uint32_t mFlags;
float mFontInflation;
uint8_t mSSTYScriptLevel;
};
#endif /*MATHMLTEXTRUNFACTORY_H_*/