mirror of
https://github.com/jkriege2/JKQtPlotter.git
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6fa5dd65ed
JKQTMathText: JKQTMathTextBraceNode now properly supports different opening and closing braces e.g. |...> for bra-vetors
166 lines
7.3 KiB
C++
166 lines
7.3 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 JKQTMATHTEXTMATRIXNODE_H
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#define JKQTMATHTEXTMATRIXNODE_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 \c \\begin{matrix} , \c \\begin{tabular} , \c \\begin{array} , ... node
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* \ingroup jkqtmathtext_items
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*
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* Definition of the matrix geometry
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* \image html jkqtmathtext/jkqtmathtext_matrix_geometry.png
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*
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*
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* Two examples:
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* \image html jkqtmathtext/jkqtmathtext_tabular.png
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*
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* \image html jkqtmathtext/jkqtmathtext_array.png
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*/
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class JKQTMATHTEXT_LIB_EXPORT JKQTMathTextMatrixNode: public JKQTMathTextMultiChildNode {
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public:
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/** \brief types of lines */
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enum LineType {
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LTnone, /*!< \brief noline */
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LTline, /*!< \brief single line */
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LTdoubleline, /*!< \brief double line */
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LTheavyline, /*!< \brief heavier/thick line */
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LTdashed, /*!< \brief single dashed line */
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LTdoubleDashed, /*!< \brief double dashed line */
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LTdefault=LTnone
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};
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JKQTMathTextMatrixNode(JKQTMathText* parent, const QVector<QVector<JKQTMathTextNode*> >& children, const QString& columnSpec=QString());
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JKQTMathTextMatrixNode(JKQTMathText* parent, const QString& columnSpec=QString());
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virtual ~JKQTMathTextMatrixNode() override;
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/** \brief sets the child nodes */
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void setChildren(const QVector<QVector<JKQTMathTextNode*> >& children);
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/** \copydoc horizontalLineBottomRow */
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void setRowBottomLine(int col, LineType line);
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/** \copydoc horizontalLineTop */
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void setTopLine(LineType line);
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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 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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/** \brief returns the child nodes */
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QVector<QVector<JKQTMathTextNode*> > getChildrenMatrix() const;
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/** \copydoc columns */
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int getColumns() const;
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/** \copydoc lines */
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int getLines() const;
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/** \copydoc JKQTMathTextMultiChildNode::getChildren() */
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virtual QList<JKQTMathTextNode*> getChildren() override;
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/** \copydoc JKQTMathTextMultiChildNode::childCount() */
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virtual int childCount() const override;
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/** \copydoc JKQTMathTextMultiChildNode::clearChildren() */
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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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/** \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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protected:
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/** \brief describes the layout of the whole node */
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struct LayoutInfo: public JKQTMathTextNodeSize {
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LayoutInfo();
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/** \brief widths of the columns */
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QVector<double> colwidth;
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/** \brief widths of the cells */
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QVector<QVector<double> > cellwidth;
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inline double& getCellwidth(int line, int col) {
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return cellwidth[line].operator[](col);
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}
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inline const double& getCellwidth(int line, int col) const {
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return cellwidth[line].operator[](col);
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}
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/** \brief heights of the rows */
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QVector<double> rowheight;
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/** \brief ascents of the rows */
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QVector<double> rowascent;
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double leftPadding;
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double rightPadding;
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double topPadding;
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double bottomPadding;
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};
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/** \brief calclates the layout of the whole block/node
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*
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* \note This function does NOT call transformEnvironment();
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* it has to be called before calling this!
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*/
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LayoutInfo calcLayout(QPainter& painter, const JKQTMathTextEnvironment& currentEv) const;
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/** \copydoc JKQTMathTextNode::getSizeInternal() */
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virtual JKQTMathTextNodeSize getSizeInternal(QPainter& painter, JKQTMathTextEnvironment currentEv) const override;
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/** \copydoc JKQTMathTextNode::setDrawBoxes() */
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virtual void setDrawBoxes(bool draw) override;
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/** \brief child nodes making up the matrix, vector of rows */
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QVector<QVector<JKQTMathTextNode*> > children;
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/** \brief alignment of the columns */
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QVector<JKQTMathTextHorizontalAlignment> columnAlignment;
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/** \brief lines to the right of each column */
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QMap<int,LineType> verticalLineRHSColumn;
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/** \brief line at the left of the table */
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LineType verticalLineLeft;
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/** \brief lines to the bottom of each row */
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QMap<int,LineType> horizontalLineBottomRow;
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/** \brief line at the top of the table */
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LineType horizontalLineTop;
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/** \brief number of columns in the matrix */
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int columns;
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/** \brief number of rows in the matrix */
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int lines;
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/** \brief draw a vertical line starting at pixel position (\a x, \a y ) with length \a height, using linetype \a lt, width \a linewidth and \a color */
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static void drawVLine(QPainter& painter, double x, double y, double height, LineType lt, double linewidth, double linewidthHeavy, QColor color, double doublelineseparation);
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/** \brief draw a horizontal line starting at pixel position (\a x, \a y ) with length \a width, using linetype \a lt, width \a linewidth and \a color */
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static void drawHLine(QPainter& painter, double x, double y, double width, LineType lt, double linewidth, double linewidthHeavy, QColor color, double doublelineseparation);
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/** \brief parses a column specifier */
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void parseColumnSpec(const QString& columnspec);
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/** \copydoc JKQTMathTextMultiChildNode::clearChildren() */
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void clearChildrenImpl(bool deleteChildren);
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};
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#endif // JKQTMATHTEXTMATRIXNODE_H
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