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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd
** All rights reserved.
** For any questions to The Qt Company, please use contact form at http://qt.io
**
** This file is part of the Qt Charts module.
**
** Licensees holding valid commercial license for Qt may use this file in
** accordance with the Qt License Agreement provided with the Software
** or, alternatively, in accordance with the terms contained in a written
** agreement between you and The Qt Company.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.io
**
****************************************************************************/
#ifndef MODEL_H
#define MODEL_H
#include <QtCore/QList>
#include <QtCore/QPair>
#include <QtCore/QPointF>
#include <QtCore/QTime>
#include <stdlib.h>
typedef QPair<QPointF, QString> Data;
typedef QList<Data> DataList;
typedef QList<DataList> DataTable;
class Model
{
private:
Model() {}
public:
static DataTable generateRandomData(int listCount, int valueMax, int valueCount)
{
DataTable dataTable;
// set seed for random stuff
qsrand(QTime(0, 0, 0).secsTo(QTime::currentTime()));
// generate random data
for (int i(0); i < listCount; i++) {
DataList dataList;
qreal yValue(0.1);
for (int j(0); j < valueCount; j++) {
yValue = yValue + (qreal)(qrand() % valueMax) / (qreal) valueCount;
QPointF value(
(j + (qreal) qrand() / (qreal) RAND_MAX)
* ((qreal) valueMax / (qreal) valueCount), yValue);
QString label = "Slice " + QString::number(i) + ":" + QString::number(j);
dataList << Data(value, label);
}
dataTable << dataList;
}
return dataTable;
}
};
#endif
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