| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
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| ** |
| ** This file is part of the Qt Charts module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL$ |
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| ****************************************************************************/ |
| |
| #ifndef MODEL_H |
| #define MODEL_H |
| |
| #include <QtCore/QList> |
| #include <QtCore/QPair> |
| #include <QtCore/QPointF> |
| #include <QtCore/QRandomGenerator> |
| #include <QtCore/QTime> |
| |
| 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; |
| |
| // 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 + QRandomGenerator::global()->bounded(valueMax / (qreal) valueCount); |
| QPointF value( |
| (j + QRandomGenerator::global()->generateDouble()) |
| * ((qreal) valueMax / (qreal) valueCount), yValue); |
| QString label = "Slice " + QString::number(i) + ":" + QString::number(j); |
| dataList << Data(value, label); |
| } |
| dataTable << dataList; |
| } |
| return dataTable; |
| } |
| }; |
| |
| #endif |