mirror of
https://github.com/jkriege2/JKQtPlotter.git
synced 2024-11-16 02:25:50 +08:00
94 lines
3.9 KiB
C++
94 lines
3.9 KiB
C++
/*
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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 JKQTMATHTEXTTEXTNODE_H
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#define JKQTMATHTEXTTEXTNODE_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 one text node in the syntax tree
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* \ingroup jkqtmathtext_items
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*/
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class JKQTMATHTEXT_LIB_EXPORT JKQTMathTextTextNode: public JKQTMathTextNode {
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public:
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explicit JKQTMathTextTextNode(JKQTMathText* parent, const QString& text, bool addWhitespace, bool stripInnerWhitepace=false);
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virtual ~JKQTMathTextTextNode() 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 text */
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QString getText() const;
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/** \copydoc JKQTMathTextNode::getTypeName() */
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virtual QString getTypeName() const override ;
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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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/** \brief text-contents of the node */
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QString text;
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/** \brief transforms the text before sizing/drawing (may e.g. exchange special letters for other unicode symbols etc.) */
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virtual QString textTransform(const QString& text, JKQTMathTextEnvironment currentEv, bool forSize=false);
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};
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/** \brief subclass representing one text node in the syntax tree
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* \ingroup jkqtmathtext_items
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*/
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class JKQTMATHTEXT_LIB_EXPORT MTplainTextNode: public JKQTMathTextTextNode {
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public:
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explicit MTplainTextNode(JKQTMathText* parent, const QString& text, bool addWhitespace, bool stripInnerWhitepace=false);
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/** \copydoc JKQTMathTextNode::getTypeName() */
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virtual QString getTypeName() const override;
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protected:
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/** \copydoc JKQTMathTextTextNode::textTransform() */
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virtual QString textTransform(const QString& text, JKQTMathTextEnvironment currentEv, bool forSize=false) override;
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};
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/** \brief subclass representing one whitepsace node in the syntax tree
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* \ingroup jkqtmathtext_items
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*/
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class JKQTMATHTEXT_LIB_EXPORT JKQTMathTextWhitespaceNode: public JKQTMathTextTextNode {
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public:
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explicit JKQTMathTextWhitespaceNode(JKQTMathText* parent);
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virtual ~JKQTMathTextWhitespaceNode() override;
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/** \copydoc JKQTMathTextNode::getTypeName() */
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virtual QString getTypeName() const 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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};
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#endif // JKQTMATHTEXTTEXTNODE_H
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