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/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the Qt Charts module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:GPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 or (at your option) any later version
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** approved by the KDE Free Qt Foundation. The licenses are as published by
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** the Free Software Foundation and appearing in the file LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef MODEL_H
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#define MODEL_H
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#include <QtCore/QList>
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#include <QtCore/QPair>
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#include <QtCore/QPointF>
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#include <QtCore/QTime>
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#include <stdlib.h>
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typedef QPair<QPointF, QString> Data;
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typedef QList<Data> DataList;
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typedef QList<DataList> DataTable;
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class Model
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{
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private:
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Model() {}
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public:
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static DataTable generateRandomData(int listCount, int valueMax, int valueCount)
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{
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DataTable dataTable;
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// set seed for random stuff
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qsrand(QTime(0, 0, 0).secsTo(QTime::currentTime()));
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// generate random data
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for (int i(0); i < listCount; i++) {
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DataList dataList;
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qreal yValue(0.1);
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for (int j(0); j < valueCount; j++) {
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yValue = yValue + (qreal)(qrand() % valueMax) / (qreal) valueCount;
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QPointF value(
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(j + (qreal) qrand() / (qreal) RAND_MAX)
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* ((qreal) valueMax / (qreal) valueCount), yValue);
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QString label = "Slice " + QString::number(i) + ":" + QString::number(j);
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dataList << Data(value, label);
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}
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dataTable << dataList;
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}
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return dataTable;
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}
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};
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#endif
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