model.h
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| text/x-c
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CLexer
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r0 | /**************************************************************************** | ||
** | ||||
** Copyright (C) 2016 The Qt Company Ltd. | ||||
** Contact: https://www.qt.io/licensing/ | ||||
** | ||||
** This file is part of the Qt Charts module of the Qt Toolkit. | ||||
** | ||||
** $QT_BEGIN_LICENSE:GPL$ | ||||
** Commercial License Usage | ||||
** Licensees holding valid commercial Qt licenses may use this file in | ||||
** accordance with the commercial license agreement provided with the | ||||
** Software or, alternatively, in accordance with the terms contained in | ||||
** a written agreement between you and The Qt Company. For licensing terms | ||||
** and conditions see https://www.qt.io/terms-conditions. For further | ||||
** information use the contact form at https://www.qt.io/contact-us. | ||||
** | ||||
** GNU General Public License Usage | ||||
** Alternatively, this file may be used under the terms of the GNU | ||||
** General Public License version 3 or (at your option) any later version | ||||
** approved by the KDE Free Qt Foundation. The licenses are as published by | ||||
** the Free Software Foundation and appearing in the file LICENSE.GPL3 | ||||
** included in the packaging of this file. Please review the following | ||||
** information to ensure the GNU General Public License requirements will | ||||
** be met: https://www.gnu.org/licenses/gpl-3.0.html. | ||||
** | ||||
** $QT_END_LICENSE$ | ||||
** | ||||
****************************************************************************/ | ||||
#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 | ||||