mirror of
https://github.com/jkriege2/JKQtPlotter.git
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95 lines
3.6 KiB
C++
95 lines
3.6 KiB
C++
/*
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Copyright (c) 2008-2024 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 JKQTMATHTEXTSQRTNODE_H
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#define JKQTMATHTEXTSQRTNODE_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 sqrt node
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* \ingroup jkqtmathtext_items
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*
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* This node renders square roots without and with an explicitly shown degree:
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* \image html jkqtmathtext/jkqtmathtext_sqrt.png
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* \image html jkqtmathtext/jkqtmathtext_cbrt.png
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*/
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class JKQTMATHTEXT_LIB_EXPORT JKQTMathTextSqrtNode: public JKQTMathTextMultiChildNode {
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public:
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JKQTMathTextSqrtNode(JKQTMathText* parent, JKQTMathTextNode* child__, JKQTMathTextNode* childDegree__=nullptr);
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virtual ~JKQTMathTextSqrtNode() override;
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/** \copydoc JKQTMathTextNode::draw() */
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virtual double draw(QPainter& painter, double x, double y, JKQTMathTextEnvironment currentEv) const override;
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/** \copydoc JKQTMathTextNode::toHtml() */
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virtual bool toHtml(QString& html, JKQTMathTextEnvironment currentEv, JKQTMathTextEnvironment defaultEv) const override;
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/** \copydoc JKQTMathTextNode::getTypeName() */
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virtual QString getTypeName() const override ;
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/** \copydoc child */
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JKQTMathTextNode* getChild();
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/** \copydoc child */
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const JKQTMathTextNode* getChild() const;
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/** \copydoc childDegree */
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JKQTMathTextNode* getChildDegree();
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/** \copydoc childDegree */
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const JKQTMathTextNode* getChildDegree() const;
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/** \copydoc JKQTMathTextMultiChildNode::getChild() */
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virtual JKQTMathTextNode* getChild(int i) override;
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/** \copydoc JKQTMathTextMultiChildNode::getChild() */
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virtual const JKQTMathTextNode* getChild(int i) const override;
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/** \copydoc JKQTMathTextMultiChildNode::getChild() */
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virtual JKQTMathTextNode* replaceChild(int i, JKQTMathTextNode* newChild) override;
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/** \copydoc JKQTMathTextMultiChildNode::getChild() */
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virtual int childCount() const override;
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/** \copydoc JKQTMathTextMultiChildNode::getChild() */
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virtual void clearChildren(bool deleteChildren=true) override;
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/** \copydoc JKQTMathTextMultiChildNode::deleteChild() */
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virtual void deleteChild(int i) override;
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protected:
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/** \copydoc JKQTMathTextNode::getSizeInternal() */
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virtual JKQTMathTextNodeSize getSizeInternal(QPainter& painter, JKQTMathTextEnvironment currentEv) const override;
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/** \brief child node for the part under the root */
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JKQTMathTextNode* child;
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/** \brief second child node for the degree of the root (or nullptr if nothing) */
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JKQTMathTextNode* childDegree;
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};
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#endif // JKQTMATHTEXTSQRTNODE_H
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