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471 lines
18 KiB
C++
471 lines
18 KiB
C++
/*
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Copyright (c) 2008-2020 Jan W. Krieger (<jan@jkrieger.de>)
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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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#include <QString>
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#include <QPainter>
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#include <QPair>
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#include "jkqtplotter/graphs/jkqtpgeobase.h"
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#include "jkqtplotter/jkqtpgraphsbasestylingmixins.h"
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#include "jkqtplotter/jkqtptools.h"
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#include "jkqtplotter/jkqtplotter_imexport.h"
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#include "jkqtmathtext/jkqtmathtext.h"
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#ifndef jkqtpgeolines_H_INCLUDED
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#define jkqtpgeolines_H_INCLUDED
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/*! \brief This JKQTPPlotObject is used to draw a line, optionally line-end decorations (aka arrows) are pssible, but switched off by default.
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\ingroup jkqtplotter_geoplots
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\image html JKQTPGeoLine_HeadTail.png
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\image html plot_geoline.png
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You can also activate line-end decorators (aka arrows) for this poly-line, by using code like this:
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\code
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line->setHeadDecoratorStyle(JKQTPFilledDoubleArrow);
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line->setTailDecoratorStyle(JKQTPCircleDecorator);
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\endcode
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This results in arrows drawn at the start (aka x1/y1, =tail) and end (aka x2/y2, =head) of the line.
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\note The convenience class JKQTPGeoArrow activates line-end decorations (aka arows) by default and allows to select them in the constructor.
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\see JKQTPGeoArrow, \ref JKQTPlotterGeometricGraphs and \ref JKQTPlotterGeometricArrows
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*/
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class JKQTPLOTTER_LIB_EXPORT JKQTPGeoLine: public JKQTPGeoBaseDecoratedLine {
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Q_OBJECT
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public:
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/*! \brief class constructor
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\param parent the parent plotter object
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\param x1 x-coordinate of first point of line
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\param y1 y-coordinate of first point of line
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\param x2 x-coordinate of second point of line
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\param y2 y-coordinate of second point of line
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\param color color of line
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\param lineWidth width of line
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\param style line style
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\param parent the parent plotter object
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*/
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JKQTPGeoLine(JKQTBasePlotter* parent, double x1, double y1, double x2, double y2, QColor color, double lineWidth=1, Qt::PenStyle style=Qt::SolidLine);
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/*! \brief class constructor
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\param parent the parent plotter object
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\param x1 x-coordinate of first point of line
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\param y1 y-coordinate of first point of line
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\param x2 x-coordinate of second point of line
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\param y2 y-coordinate of second point of line
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\param color color of line
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\param lineWidth width of line
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\param style line style
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\param parent the parent plotter object
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*/
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JKQTPGeoLine(JKQTPlotter* parent, double x1, double y1, double x2, double y2, QColor color, double lineWidth=1, Qt::PenStyle style=Qt::SolidLine);
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/*! \brief class constructor
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\param parent the parent plotter object
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\param x1 x-coordinate of first point of line
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\param y1 y-coordinate of first point of line
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\param x2 x-coordinate of second point of line
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\param y2 y-coordinate of second point of line
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*/
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JKQTPGeoLine(JKQTBasePlotter* parent, double x1, double y1, double x2, double y2);
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/*! \brief class constructor
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\param parent the parent plotter object
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\param x1 x-coordinate of first point of line
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\param y1 y-coordinate of first point of line
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\param x2 x-coordinate of second point of line
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\param y2 y-coordinate of second point of line
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*/
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JKQTPGeoLine(JKQTPlotter* parent, double x1, double y1, double x2, double y2);
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/** \copydoc JKQTPPlotObject::getXMinMax() */
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virtual bool getXMinMax(double& minx, double& maxx, double& smallestGreaterZero) override;
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/** \copydoc JKQTPPlotObject::getYMinMax() */
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virtual bool getYMinMax(double& miny, double& maxy, double& smallestGreaterZero) override;
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/** \brief plots the graph to the plotter object specified as parent */
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virtual void draw(JKQTPEnhancedPainter& painter) override;
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/*! \copydoc x1 */
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void setX1(double __value);
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/*! \copydoc x1 */
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double getX1() const;
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/*! \copydoc y1 */
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void setY1(double __value);
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/*! \copydoc y1 */
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double getY1() const;
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/*! \copydoc x2 */
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void setX2(double __value);
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/*! \copydoc x2 */
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double getX2() const;
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/*! \copydoc y2 */
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void setY2(double __value);
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/*! \copydoc y2 */
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double getY2() const;
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protected:
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/** \brief x-coordinate of first point of line */
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double x1;
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/** \brief y-coordinate of first point of line */
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double y1;
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/** \brief x-coordinate of second point of line */
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double x2;
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/** \brief y-coordinate of second point of line */
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double y2;
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};
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/*! \brief This convenience specialisation of JKQTPGeoLine is used to draw a line with decorations (e.g. arrows)
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\ingroup jkqtplotter_geoplots
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This class does not add any functionality on top of JKQTPGeoLine, just activates line-end markers by default!
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\image html JKQTPGeoLine_HeadTail.png
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\image html plot_geoarrows.png
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\see JKQTPLineDecoratorStyle, JKQTPGeoLine, \ref JKQTPlotterGeometricArrows and \ref JKQTPlotterGeometricGraphs
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*/
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class JKQTPLOTTER_LIB_EXPORT JKQTPGeoArrow: public JKQTPGeoLine {
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Q_OBJECT
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public:
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/*! \brief class constructor
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\param parent the parent plotter object
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\param x1 x-coordinate of first point of line
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\param y1 y-coordinate of first point of line
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\param x2 x-coordinate of second point of line
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\param y2 y-coordinate of second point of line
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\param color color of line
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\param lineWidth width of line
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\param style line style
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\param parent the parent plotter object
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*/
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JKQTPGeoArrow(JKQTBasePlotter* parent, double x1, double y1, double x2, double y2, QColor color, JKQTPLineDecoratorStyle headStyle=JKQTPDefaultLineDecorator, JKQTPLineDecoratorStyle tailStyle=JKQTPNoDecorator, double lineWidth=1.0, Qt::PenStyle style=Qt::SolidLine);
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/*! \brief class constructor
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\param parent the parent plotter object
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\param x1 x-coordinate of first point of line
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\param y1 y-coordinate of first point of line
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\param x2 x-coordinate of second point of line
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\param y2 y-coordinate of second point of line
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\param color color of line
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\param lineWidth width of line
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\param style line style
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\param parent the parent plotter object
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*/
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JKQTPGeoArrow(JKQTPlotter* parent, double x1, double y1, double x2, double y2, QColor color, JKQTPLineDecoratorStyle headStyle=JKQTPDefaultLineDecorator, JKQTPLineDecoratorStyle tailStyle=JKQTPNoDecorator, double lineWidth=1.0, Qt::PenStyle style=Qt::SolidLine);
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};
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/*! \brief This JKQTPPlotObject is used to draw an infinite line
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\ingroup jkqtplotter_geoplots
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an infinite line has a starting point and then goes on in a given direction
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until the end of the plotting range.
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\image html plot_geoinfiniteline.png
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You can add a decorator to the head of the line (i.e. the given start point (x,y) ) iff this line is one-sided, i.e. two_sided \c ==false .
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\see \ref JKQTPlotterGeometricGraphs and \ref JKQTPlotterGeometricArrows
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*/
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class JKQTPLOTTER_LIB_EXPORT JKQTPGeoInfiniteLine: public JKQTPGeoBaseDecoratedHeadLine {
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Q_OBJECT
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public:
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/*! \brief class constructor
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\param parent the parent plotter object
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\param x x-coordinate of start point of line
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\param y y-coordinate of start point of line
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\param dx x-direction of the line
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\param dy y-direction of the line
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\param color color of line
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\param lineWidth width of line
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\param style line style
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*/
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JKQTPGeoInfiniteLine(JKQTBasePlotter* parent, double x, double y, double dx, double dy, QColor color=QColor("black"), double lineWidth=1, Qt::PenStyle style=Qt::SolidLine);
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/*! \brief class constructor
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\param parent the parent plotter object
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\param x x-coordinate of start point of line
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\param y y-coordinate of start point of line
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\param dx x-direction of the line
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\param dy y-direction of the line
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\param color color of line
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\param lineWidth width of line
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\param style line style
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*/
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JKQTPGeoInfiniteLine(JKQTPlotter* parent, double x, double y, double dx, double dy, QColor color=QColor("black"), double lineWidth=1, Qt::PenStyle style=Qt::SolidLine);
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/** \copydoc JKQTPPlotObject::getXMinMax() */
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virtual bool getXMinMax(double& minx, double& maxx, double& smallestGreaterZero) override;
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/** \copydoc JKQTPPlotObject::getYMinMax() */
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virtual bool getYMinMax(double& miny, double& maxy, double& smallestGreaterZero) override;
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/** \brief plots the graph to the plotter object specified as parent */
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virtual void draw(JKQTPEnhancedPainter& painter) override;
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/*! \copydoc x */
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void setX(double __value);
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/*! \copydoc x */
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double getX() const;
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/*! \copydoc y */
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void setY(double __value);
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/*! \copydoc y */
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double getY() const;
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/*! \copydoc dx */
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void setDx(double __value);
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/*! \copydoc dx */
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double getDx() const;
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/*! \copydoc dy */
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void setDy(double __value);
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/*! \copydoc dy */
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double getDy() const;
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/*! \copydoc two_sided */
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void setTwoSided(bool __value);
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/*! \copydoc two_sided */
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bool getTwoSided() const;
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protected:
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/** \brief x-coordinate of a point on the line */
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double x;
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/** \brief y-coordinate of a point on the line */
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double y;
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/** \brief x-component of the slope of the line */
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double dx;
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/** \brief y-component of the slope of the line */
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double dy;
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/** \brief indicates whether the line ends at the given point \f$ (x,y) \f$ (false, default),
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* or is infinite in both directions (true) */
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bool two_sided;
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};
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/*! \brief This JKQTPPlotObject is used to draw a poly line
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\ingroup jkqtplotter_geoplots
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\image html plot_geolines.png
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You can also activate line-end decorators (aka arrows) for this poly-line, by using code like this:
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\code
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polyLine->setHeadDecoratorStyle(JKQTPFilledDoubleArrow);
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polyLine->setTailDecoratorStyle(JKQTPCircleDecorator);
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\endcode
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This results in arrows drawn at the start (=tail) and end (=head) of the poly-line:
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\image html geo_arrow_polylines.png
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\see \ref JKQTPlotterGeometricGraphs and \ref JKQTPlotterGeometricArrows
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*/
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class JKQTPLOTTER_LIB_EXPORT JKQTPGeoPolyLines: public JKQTPGeoBaseDecoratedLine {
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Q_OBJECT
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public:
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/*! \brief class constructor
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\param parent the parent plotter object
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\param points points on the polygon
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\param color color of line
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\param lineWidth width of line
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\param style line style
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*/
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JKQTPGeoPolyLines(JKQTBasePlotter* parent, const QVector<QPointF>& points, QColor color=QColor("black"), double lineWidth=1, Qt::PenStyle style=Qt::SolidLine);
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/*! \brief class constructor
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\param parent the parent plotter object
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\param points points on the polygon
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\param color color of line
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\param lineWidth width of line
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\param style line style
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*/
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JKQTPGeoPolyLines(JKQTPlotter* parent, const QVector<QPointF>& points, QColor color=QColor("black"), double lineWidth=1, Qt::PenStyle style=Qt::SolidLine);
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/*! \brief class constructor
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\param parent the parent plotter object
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\param color color of line
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\param lineWidth width of line
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\param style line style
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*/
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JKQTPGeoPolyLines(JKQTBasePlotter* parent, QColor color=QColor("black"), double lineWidth=1, Qt::PenStyle style=Qt::SolidLine);
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/*! \brief class constructor
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\param parent the parent plotter object
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\param color color of line
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\param lineWidth width of line
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\param style line style
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*/
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JKQTPGeoPolyLines(JKQTPlotter* parent, QColor color=QColor("black"), double lineWidth=1, Qt::PenStyle style=Qt::SolidLine);
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/** \copydoc JKQTPPlotObject::getXMinMax() */
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virtual bool getXMinMax(double& minx, double& maxx, double& smallestGreaterZero) override;
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/** \copydoc JKQTPPlotObject::getYMinMax() */
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virtual bool getYMinMax(double& miny, double& maxy, double& smallestGreaterZero) override;
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/** \brief plots the graph to the plotter object specified as parent */
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virtual void draw(JKQTPEnhancedPainter& painter) override;
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/*! \copydoc points */
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void setPoints(const QVector<QPointF> & __value);
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/*! \copydoc points */
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QVector<QPointF> getPoints() const;
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/** \brief append a point to the polygon */
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void appendPoint(const QPointF& p);
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/** \brief append a point to the polygon */
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void appendPoint(const double x, const double y);
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protected:
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/** \brief list with all points on the poly-line */
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QVector<QPointF> points;
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};
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/*! \brief This JKQTPPlotObject is used to draw an arc
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\ingroup jkqtplotter_geoplots
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\image html plot_geoarc.png
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\see \ref JKQTPlotterGeometricGraphs
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*/
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class JKQTPLOTTER_LIB_EXPORT JKQTPGeoArc: public JKQTPGeoBaseLine {
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Q_OBJECT
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public:
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/*! \brief class constructor
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\param parent the parent plotter object
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\param x x-coordinate of center of ellipse
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\param y y-coordinate of center of ellipse
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\param width width of ellipse (2 * half axis)
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\param height of ellipse (2 * half axis)
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\param angleStart if we only draw an arc, this is the starting angle in degrees
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\param angleStop if we only draw an arc, this is the ending angle in degrees
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\param color color of line
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\param lineWidth width of line
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\param style line style
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*/
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JKQTPGeoArc(JKQTBasePlotter* parent, double x, double y, double width, double height, double angleStart, double angleStop, QColor color=QColor("black"), double lineWidth=1, Qt::PenStyle style=Qt::SolidLine);
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/*! \brief class constructor
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\param parent the parent plotter object
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\param x x-coordinate of center of ellipse
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\param y y-coordinate of center of ellipse
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\param width width of ellipse (2 * half axis)
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\param height of ellipse (2 * half axis)
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\param angleStart if we only draw an arc, this is the starting angle in degrees
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\param angleStop if we only draw an arc, this is the ending angle in degrees
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\param color color of line
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\param lineWidth width of line
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\param style line style
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*/
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JKQTPGeoArc(JKQTPlotter* parent, double x, double y, double width, double height, double angleStart, double angleStop, QColor color=QColor("black"), double lineWidth=1, Qt::PenStyle style=Qt::SolidLine);
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/** \copydoc JKQTPPlotObject::getXMinMax() */
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virtual bool getXMinMax(double& minx, double& maxx, double& smallestGreaterZero) override;
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/** \copydoc JKQTPPlotObject::getYMinMax() */
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virtual bool getYMinMax(double& miny, double& maxy, double& smallestGreaterZero) override;
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/** \brief plots the graph to the plotter object specified as parent */
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virtual void draw(JKQTPEnhancedPainter& painter) override;
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/*! \copydoc controlPoints */
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void setControlPoints(const unsigned int & __value);
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/*! \copydoc controlPoints */
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unsigned int getControlPoints() const;
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/*! \copydoc angleStart */
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void setAngleStart(double __value);
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/*! \copydoc angleStart */
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double getAngleStart() const;
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/*! \copydoc angleStop */
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void setAngleStop(double __value);
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/*! \copydoc angleStop */
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double getAngleStop() const;
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/*! \copydoc x */
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void setX(double __value);
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/*! \copydoc x */
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double getX() const;
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/*! \copydoc y */
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void setY(double __value);
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/*! \copydoc y */
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double getY() const;
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/*! \copydoc width */
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void setWidth(double __value);
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/*! \copydoc width */
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double getWidth() const;
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/*! \copydoc height */
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void setHeight(double __value);
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/*! \copydoc height */
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double getHeight() const;
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/*! \copydoc angle */
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void setAngle(double __value);
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/*! \copydoc angle */
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double getAngle() const;
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protected:
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/** \brief x-coordinate of a center of the rectangle */
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double x;
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/** \brief y-coordinate of a center of the rectangle */
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double y;
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/** \brief width of a center of the rectangle */
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double width;
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/** \brief height of a center of the rectangle */
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double height;
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/** \brief rotation angle of rectangle [degrees] around (x,y) */
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double angle;
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/** \brief if we only draw an arc, this is the starting angle in degrees */
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double angleStart;
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/** \brief if we only draw an arc, this is the ending angle in degrees */
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double angleStop;
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/** \brief number of steps/control points to draw the ellipse */
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unsigned int controlPoints;
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/** \brief closing mode for arcs: secand or pie */
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/** \brief returns the transformation matrix used for this rectangle */
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QTransform getTransform();
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/** \brief returns a QPolygonF which represents the rectangle after rotation, but still in the world coordinate system, not in the screen/widget system */
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QPolygonF getPolygon();
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};
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#endif // jkqtpgeolines_H_INCLUDED
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