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/**
* Copyright (C) 2001-2015 Klaralvdalens Datakonsult AB. All rights reserved.
*
* This file is part of the KD Chart library.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program 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 <https://www.gnu.org/licenses/>.
*/
#ifndef MODEL_H
#define MODEL_H
#include <QAbstractItemModel>
#include <QTimer>
#include <QVector>
class Model : public QAbstractItemModel
{
Q_OBJECT
public:
enum Function {
SineFunction = 0,
TriangleFunction,
SquareFunction,
NoiseFunction,
OneDivSineFunction,
SineOneDivFunction
};
Model();
int columnCount( const QModelIndex& parent ) const override;
int rowCount( const QModelIndex& parent ) const override;
QModelIndex index( int row, int column, const QModelIndex& parent ) const override;
QModelIndex parent( const QModelIndex& index ) const override;
QVariant data( const QModelIndex& index, int role ) const override;
void setFunction( Function f );
void appendPoints( int numPoints );
public Q_SLOTS:
void setRunning( bool );
private Q_SLOTS:
void appendPoint();
private:
qreal nextFunctionValue();
qreal m_x;
Function m_function;
QVector< qreal > m_data;
QTimer m_appendTimer;
};
#endif
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