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/****************************************************************************
** Copyright (c) 2016, Adel Kara Slimane <adel.ks@zegrapher.com>
**
** This file is part of ZeGrapher's source code.
**
** ZeGrapher is free software: you may copy, redistribute and/or modify it
** under the terms of the GNU General Public License as published by the
** Free Software Foundation, either version 3 of the License, or (at your
** option) any later version.
**
** This file 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
** General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program. If not, see <http://www.gnu.org/licenses/>.
**
****************************************************************************/
#ifndef GRAPHDRAW_H
#define GRAPHDRAW_H
#include "structures.h"
#include "Calculus/funccalculator.h"
#include "Widgets/tangentwidget.h"
#include "Widgets/straightlinewidget.h"
#include "Widgets/pareqwidget.h"
#include "information.h"
#include "Calculus/funcvaluessaver.h"
#include "Calculus/regressionvaluessaver.h"
class GraphDraw : public QWidget // Base class from math objects drawing
{
Q_OBJECT
public:
explicit GraphDraw(Information *info);
~GraphDraw();
protected slots:
void addRegSaver(Regression *reg);
void delRegSaver(Regression *reg);
void updateSettingsVals();
protected:
inline void drawRhombus(QPointF pt,double w);
inline void drawDisc(QPointF pt, double w);
inline void drawSquare(QPointF pt, double w);
inline void drawTriangle(QPointF pt, double w);
inline void drawCross(QPointF pt, double w);
void drawOneSequence(int id, int width);
void drawDataSet(int id, int width);
void drawCurve(int width, QColor color, const QPolygonF &curve);
void drawCurve(int width, QColor color, const QList<QPolygonF> &curves);
void drawOneTangent(int id);
void drawFunctions();
void drawRegressions();
void drawData();
void drawSequences();
void drawTangents(); //except the one pointed by tangentDrawException
void drawStraightLines();
void drawStaticParEq();
void recalculateRegVals();
int graphWidth, graphHeight;
Information *information;
FuncValuesSaver *funcValuesSaver;
QList<RegressionValuesSaver> regValuesSavers;
QPainter painter;
SettingsVals parameters;
QPolygonF polygon;
QPen pen;
QBrush brush;
Point centre;
GraphRange graphRange;
double coef;
double uniteX, uniteY;
bool moving, recalculate, recalculateRegs;
int tangentDrawException;
QList<FuncCalculator*> funcs;
QList<SeqCalculator*> seqs;
QList<StraightLineWidget*> *straightLines;
QList<TangentWidget*> *tangents;
QList<ParEqWidget*> *parEqs;
QList< QList<double> > *regVals;
QFont font;
};
#endif // GRAPHDRAW_H
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