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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Data Visualization 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "datagenerator.h"
#include <QDebug>
#include <QRandomGenerator>
Q_DECLARE_METATYPE(QScatter3DSeries *)
DataGenerator::DataGenerator(QObject *parent) :
QObject(parent)
{
qRegisterMetaType<QScatter3DSeries *>();
m_file = new QFile("results.txt");
if (!m_file->open(QIODevice::WriteOnly | QIODevice::Text)) {
delete m_file;
m_file = 0;
}
}
DataGenerator::~DataGenerator()
{
m_file->close();
delete m_file;
}
void DataGenerator::generateData(QScatter3DSeries *series, uint count)
{
QScatterDataArray *dataArray = new QScatterDataArray;
dataArray->resize(count);
QScatterDataItem *ptrToDataArray = &dataArray->first();
for (uint i = 0; i < count; i++) {
ptrToDataArray->setPosition(QVector3D(QRandomGenerator::global()->generateDouble(),
QRandomGenerator::global()->generateDouble(),
QRandomGenerator::global()->generateDouble()));
ptrToDataArray++;
}
series->dataProxy()->resetArray(dataArray);
}
void DataGenerator::add(QScatter3DSeries *series, uint count)
{
QScatterDataArray appendArray;
appendArray.resize(count);
for (uint i = 0; i < count; i++) {
appendArray[i].setPosition(QVector3D(QRandomGenerator::global()->generateDouble(),
QRandomGenerator::global()->generateDouble(),
QRandomGenerator::global()->generateDouble()));
}
series->dataProxy()->addItems(appendArray);
}
void DataGenerator::writeLine(int itemCount, float fps)
{
if (m_file) {
QTextStream out(m_file);
QString fpsFormatString(QStringLiteral("%1 %2\n"));
QString fpsString = fpsFormatString.arg(itemCount).arg(fps);
out << fpsString;
}
}
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