analitza/analitzaplot/planecurve.h

0001 /*************************************************************************************
0002  *  Copyright (C) 2007-2011 by Aleix Pol <aleixpol@kde.org>                          *
0003  *  Copyright (C) 2010-2012 by Percy Camilo T. Aucahuasi <percy.camilo.ta@gmail.com> *
0004  *                                                                                   *
0005  *  This program is free software; you can redistribute it and/or                    *
0006  *  modify it under the terms of the GNU General Public License                      *
0007  *  as published by the Free Software Foundation; either version 2                   *
0008  *  of the License, or (at your option) any later version.                           *
0009  *                                                                                   *
0010  *  This program is distributed in the hope that it will be useful,                  *
0011  *  but WITHOUT ANY WARRANTY; without even the implied warranty of                   *
0012  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                    *
0013  *  GNU General Public License for more details.                                     *
0014  *                                                                                   *
0015  *  You should have received a copy of the GNU General Public License                *
0016  *  along with this program; if not, write to the Free Software                      *
0017  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA   *
0018  *************************************************************************************/
0019
0020 #ifndef ANALITZAPLOT_PLANECURVE_H
0021 #define ANALITZAPLOT_PLANECURVE_H
0022
0023 #include "functiongraph.h"
0024
0025 #include <QMap>
0026 #include <QPoint>
0027 #include <QRectF>
0028 #include <QLineF>
0029 #include <QColor>
0030
0031 namespace Analitza
0032 {
0033
0034 /**
0035  * \class PlaneCurve
0036  *
0037  * \ingroup AnalitzaPlotModule
0038  *
0039  * \brief Represents a curve in 2D space.
0040  *
0041  * This class contains all necessary data that Plotter2D will use to draw the curve.
0042  */
0043
0044 class ANALITZAPLOT_EXPORT PlaneCurve : public FunctionGraph
0045 {
0046 public:
0047     explicit PlaneCurve(AbstractFunctionGraph* g);
0048     ~PlaneCurve() override;
0049
0050     QVector<int> jumps() const;
0051     const QVector<QPointF> & points() const;
0052     void update(const QRectF& viewport);
0053     QPair<QPointF, QString> image(const QPointF &mousepos); // calculate the image of the curve based on the mouse postion
0054     QLineF tangent(const QPointF &mousepos);// calculate the tangent to the curve based on the mouse
0055 };
0056
0057 }
0058
0059 #endif // ANALITZAPLOT_PLANECURVE_H