mirror of
https://github.com/jkriege2/JKQtPlotter.git
synced 2024-11-16 02:25:50 +08:00
75 lines
2.7 KiB
C
75 lines
2.7 KiB
C
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/*
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Copyright (c) 2008-2022 Jan W. Krieger (<jan@jkrieger.de>)
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with contributions from: Razi Alavizadeh
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This software is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License (LGPL) as published by
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the Free Software Foundation, either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License (LGPL) for more details.
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You should have received a copy of the GNU Lesser General Public License (LGPL)
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef JKQTMATHTEXTFRACNODE_H
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#define JKQTMATHTEXTFRACNODE_H
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#include "jkqtmathtext/jkqtmathtext_imexport.h"
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#include "jkqtmathtext/jkqtmathtexttools.h"
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#include "jkqtmathtext/nodes/jkqtmathtextnode.h"
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#include <QPainter>
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class JKQTMathText; // forward
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// JKQTMATHTEXT_LIB_EXPORT
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/** \brief subclass representing a \\frac node
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* \ingroup jkqtmathtext_items
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*/
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class JKQTMATHTEXT_LIB_EXPORT JKQTMathTextFracNode: public JKQTMathTextNode {
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public:
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JKQTMathTextFracNode(JKQTMathText* parent, JKQTMathTextNode* child_top, JKQTMathTextNode* child_bottom, JKQTMathTextFracMode mode);
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virtual ~JKQTMathTextFracNode() override;
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/** \copydoc JKQTMathTextNode::getTypeName() */
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virtual QString getTypeName() const override;
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/** \copydoc JKQTMathTextNode::draw() */
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virtual double draw(QPainter& painter, double x, double y, JKQTMathTextEnvironment currentEv, const JKQTMathTextNodeSize* prevNodeSize=nullptr) override;
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/** \copydoc JKQTMathTextNode::toHtml() */
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virtual bool toHtml(QString& html, JKQTMathTextEnvironment currentEv, JKQTMathTextEnvironment defaultEv) override;
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/** \copydoc JKQTMathTextNode::setDrawBoxes() */
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virtual void setDrawBoxes(bool draw) override;
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/** \brief returns the 1st child node */
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JKQTMathTextNode* getChild1() const;
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/** \brief returns the 2nd child node */
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JKQTMathTextNode* getChild2() const;
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/** \copydoc mode */
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JKQTMathTextFracMode getMode() const;
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protected:
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/** \copydoc JKQTMathTextNode::getSizeInternal() */
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virtual void getSizeInternal(QPainter& painter, JKQTMathTextEnvironment currentEv, double& width, double& baselineHeight, double& overallHeight, double& strikeoutPos, const JKQTMathTextNodeSize* prevNodeSize=nullptr) override;
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JKQTMathTextNode* child1;
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JKQTMathTextNode* child2;
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JKQTMathTextFracMode mode;
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};
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#endif // JKQTMATHTEXTFRACNODE_H
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