| 1 | /**************************************************************************** |
|---|---|
| 2 | ** |
| 3 | ** Copyright (C) 2016 The Qt Company Ltd. |
| 4 | ** Contact: https://www.qt.io/licensing/ |
| 5 | ** |
| 6 | ** This file is part of the Qt Charts module of the Qt Toolkit. |
| 7 | ** |
| 8 | ** $QT_BEGIN_LICENSE:GPL$ |
| 9 | ** Commercial License Usage |
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in |
| 11 | ** accordance with the commercial license agreement provided with the |
| 12 | ** Software or, alternatively, in accordance with the terms contained in |
| 13 | ** a written agreement between you and The Qt Company. For licensing terms |
| 14 | ** and conditions see https://www.qt.io/terms-conditions. For further |
| 15 | ** information use the contact form at https://www.qt.io/contact-us. |
| 16 | ** |
| 17 | ** GNU General Public License Usage |
| 18 | ** Alternatively, this file may be used under the terms of the GNU |
| 19 | ** General Public License version 3 or (at your option) any later version |
| 20 | ** approved by the KDE Free Qt Foundation. The licenses are as published by |
| 21 | ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
| 22 | ** included in the packaging of this file. Please review the following |
| 23 | ** information to ensure the GNU General Public License requirements will |
| 24 | ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
| 25 | ** |
| 26 | ** $QT_END_LICENSE$ |
| 27 | ** |
| 28 | ****************************************************************************/ |
| 29 | |
| 30 | #ifndef MODEL_H |
| 31 | #define MODEL_H |
| 32 | |
| 33 | #include <QtCore/QList> |
| 34 | #include <QtCore/QPair> |
| 35 | #include <QtCore/QPointF> |
| 36 | #include <QtCore/QRandomGenerator> |
| 37 | #include <QtCore/QTime> |
| 38 | |
| 39 | typedef QPair<QPointF, QString> Data; |
| 40 | typedef QList<Data> DataList; |
| 41 | typedef QList<DataList> DataTable; |
| 42 | |
| 43 | |
| 44 | class Model |
| 45 | { |
| 46 | private: |
| 47 | Model() {} |
| 48 | |
| 49 | public: |
| 50 | static DataTable generateRandomData(int listCount, int valueMax, int valueCount) |
| 51 | { |
| 52 | DataTable dataTable; |
| 53 | |
| 54 | // generate random data |
| 55 | for (int i(0); i < listCount; i++) { |
| 56 | DataList dataList; |
| 57 | qreal yValue(0.1); |
| 58 | for (int j(0); j < valueCount; j++) { |
| 59 | yValue = yValue + QRandomGenerator::global()->bounded(highest: valueMax / (qreal) valueCount); |
| 60 | QPointF value( |
| 61 | (j + QRandomGenerator::global()->generateDouble()) |
| 62 | * ((qreal) valueMax / (qreal) valueCount), yValue); |
| 63 | QString label = "Slice "+ QString::number(i) + ":"+ QString::number(j); |
| 64 | dataList << Data(value, label); |
| 65 | } |
| 66 | dataTable << dataList; |
| 67 | } |
| 68 | return dataTable; |
| 69 | } |
| 70 | }; |
| 71 | |
| 72 | #endif |
| 73 |