mirror of
https://github.com/jkriege2/JKQtPlotter.git
synced 2024-11-16 02:25:50 +08:00
93 lines
3.6 KiB
C++
93 lines
3.6 KiB
C++
/*
|
|
Copyright (c) 2008-2022 Jan W. Krieger (<jan@jkrieger.de>)
|
|
with contributions from: Razi Alavizadeh
|
|
|
|
|
|
|
|
This software is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License (LGPL) as published by
|
|
the Free Software Foundation, either version 2.1 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License (LGPL) for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License (LGPL)
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
|
|
|
|
|
|
#ifndef JKQTMATHTEXTSQRTNODE_H
|
|
#define JKQTMATHTEXTSQRTNODE_H
|
|
#include "jkqtmathtext/jkqtmathtext_imexport.h"
|
|
#include "jkqtmathtext/jkqtmathtexttools.h"
|
|
#include "jkqtmathtext/nodes/jkqtmathtextnode.h"
|
|
#include <QPainter>
|
|
|
|
class JKQTMathText; // forward
|
|
// JKQTMATHTEXT_LIB_EXPORT
|
|
|
|
|
|
|
|
/** \brief subclass representing a sqrt node
|
|
* \ingroup jkqtmathtext_items
|
|
*
|
|
* This node renders square roots without and with an explicitly shown degree:
|
|
* \image html jkqtmathtext/jkqtmathtext_sqrt.png
|
|
* \image html jkqtmathtext/jkqtmathtext_cbrt.png
|
|
*/
|
|
class JKQTMATHTEXT_LIB_EXPORT JKQTMathTextSqrtNode: public JKQTMathTextMultiChildNode {
|
|
public:
|
|
JKQTMathTextSqrtNode(JKQTMathText* parent, JKQTMathTextNode* child__, JKQTMathTextNode* childDegree__=nullptr);
|
|
virtual ~JKQTMathTextSqrtNode() override;
|
|
/** \copydoc JKQTMathTextNode::draw() */
|
|
virtual double draw(QPainter& painter, double x, double y, JKQTMathTextEnvironment currentEv, const JKQTMathTextNodeSize* prevNodeSize=nullptr) override;
|
|
/** \copydoc JKQTMathTextNode::toHtml() */
|
|
virtual bool toHtml(QString& html, JKQTMathTextEnvironment currentEv, JKQTMathTextEnvironment defaultEv) override;
|
|
/** \copydoc JKQTMathTextNode::getTypeName() */
|
|
virtual QString getTypeName() const override ;
|
|
|
|
/** \copydoc child */
|
|
JKQTMathTextNode* getChild();
|
|
/** \copydoc child */
|
|
const JKQTMathTextNode* getChild() const;
|
|
/** \copydoc childDegree */
|
|
JKQTMathTextNode* getChildDegree();
|
|
/** \copydoc childDegree */
|
|
const JKQTMathTextNode* getChildDegree() const;
|
|
|
|
/** \copydoc JKQTMathTextMultiChildNode::getChild() */
|
|
virtual JKQTMathTextNode* getChild(int i) override;
|
|
/** \copydoc JKQTMathTextMultiChildNode::getChild() */
|
|
virtual const JKQTMathTextNode* getChild(int i) const override;
|
|
/** \copydoc JKQTMathTextMultiChildNode::getChild() */
|
|
virtual JKQTMathTextNode* replaceChild(int i, JKQTMathTextNode* newChild) override;
|
|
/** \copydoc JKQTMathTextMultiChildNode::getChild() */
|
|
virtual int childCount() const override;
|
|
/** \copydoc JKQTMathTextMultiChildNode::getChild() */
|
|
virtual void clearChildren(bool deleteChildren=true) override;
|
|
|
|
protected:
|
|
/** \copydoc JKQTMathTextNode::getSizeInternal() */
|
|
virtual void getSizeInternal(QPainter& painter, JKQTMathTextEnvironment currentEv, double& width, double& baselineHeight, double& overallHeight, double& strikeoutPos, const JKQTMathTextNodeSize* prevNodeSize=nullptr) override;
|
|
/** \brief child node for the part under the root */
|
|
JKQTMathTextNode* child;
|
|
/** \brief second child node for the degree of the root (or nullptr if nothing) */
|
|
JKQTMathTextNode* childDegree;
|
|
};
|
|
|
|
#endif // JKQTMATHTEXTSQRTNODE_H
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|