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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "q3dbars.h"
#include <QGuiApplication>
#include <QTimer>
#include <QDebug>
//#define CYCLE_THROUGH_STYLES
//#define CYCLE_THROUGH_PRESET_CAMERAS
#define CYCLE_THROUGH_THEMES
#define USE_STATIC_DATA
using namespace QtDataVis3D;
class ChartDataGenerator : public QObject
{
public:
explicit ChartDataGenerator(Q3DBars *barchart);
~ChartDataGenerator();
void addDataSet();
void addBars();
void changeStyle();
void changePresetCamera();
void changeTheme();
void start();
private:
Q3DBars *m_chart;
QTimer *m_dataTimer;
QTimer *m_styleTimer;
QTimer *m_presetTimer;
QTimer *m_themeTimer;
int m_columnCount;
int m_rowCount;
};
ChartDataGenerator::ChartDataGenerator(Q3DBars *barchart)
: m_chart(barchart)
, m_dataTimer(0)
, m_styleTimer(0)
, m_presetTimer(0)
, m_themeTimer(0)
, m_columnCount(10)
, m_rowCount(10)
{
// Set up bar specifications; make the bars twice as wide as they are deep,
// and add a small space between the bars
m_chart->setBarSpecs(QPointF(1.0f, 1.0f), QPointF(0.2f, 0.2f), true);
// Set up sample space; make it twice as deep as it's wide
m_chart->setupSampleSpace(QPoint(m_columnCount, m_rowCount));
// Set bar type to smooth bar
#ifndef CYCLE_THROUGH_STYLES
m_chart->setBarType(Q3DBars::Bars, false);
#endif
// Set selection mode to full
m_chart->setSelectionMode(Q3DBars::BarRowAndColumn);
#ifndef CYCLE_THROUGH_THEMES
// Set bar colors
m_chart->setBarColor(QColor(Qt::black), QColor(Qt::red), QColor(Qt::darkBlue));
#endif
}
ChartDataGenerator::~ChartDataGenerator()
{
if (m_dataTimer) {
m_dataTimer->stop();
delete m_dataTimer;
}
if (m_styleTimer) {
m_styleTimer->stop();
delete m_styleTimer;
}
if (m_presetTimer) {
m_presetTimer->stop();
delete m_presetTimer;
}
if (m_themeTimer) {
m_themeTimer->stop();
delete m_themeTimer;
}
delete m_chart;
}
void ChartDataGenerator::start()
{
#ifndef USE_STATIC_DATA
m_dataTimer = new QTimer();
m_dataTimer->setTimerType(Qt::CoarseTimer);
m_dataTimer->setInterval(100);
QObject::connect(m_dataTimer, &QTimer::timeout, this, &ChartDataGenerator::addBars);
m_dataTimer->start(100);
#else
addDataSet();
#endif
#ifdef CYCLE_THROUGH_STYLES
// Change bar style every 10 seconds
m_styleTimer = new QTimer();
m_styleTimer->setTimerType(Qt::CoarseTimer);
m_styleTimer->setInterval(10000);
QObject::connect(m_styleTimer, &QTimer::timeout, this, &ChartDataGenerator::changeStyle);
m_styleTimer->start(10000);
#endif
#ifdef CYCLE_THROUGH_PRESET_CAMERAS
// Change preset camera every 5 seconds
m_presetTimer = new QTimer();
m_presetTimer->setTimerType(Qt::CoarseTimer);
m_presetTimer->setInterval(5000);
QObject::connect(m_presetTimer, &QTimer::timeout, this
, &ChartDataGenerator::changePresetCamera);
m_presetTimer->start(5000);
#endif
#ifdef CYCLE_THROUGH_THEMES
// Change theme every 2 seconds
m_themeTimer = new QTimer();
m_themeTimer->setTimerType(Qt::CoarseTimer);
m_themeTimer->setInterval(2000);
QObject::connect(m_themeTimer, &QTimer::timeout, this
, &ChartDataGenerator::changeTheme);
m_themeTimer->start(2000);
#endif
}
void ChartDataGenerator::addDataSet()
{
QVector< QVector<float> > data;
QVector<float> row;
for (int j = 0; j < m_rowCount; j++) {
for (int i = 0; i < m_columnCount; i++) {
row.append(((float)i / (float)m_columnCount) / 1.5f + (float)(rand() % 30) / 100);
//row.append(1.0f);
}
data.append(row);
row.clear();
}
m_chart->addDataSet(data);
}
void ChartDataGenerator::addBars()
{
QVector<float> data;
for (int i = 0; i < m_columnCount; i++) {
data.append(((float)i / (float)m_columnCount) / 2.0f + (float)(rand() % 30) / 100);
}
m_chart->addDataRow(data);
}
void ChartDataGenerator::changeStyle()
{
static int model = 0;
switch (model) {
case 0:
m_chart->setBarType(Q3DBars::Cylinders, false);
break;
case 1:
m_chart->setBarType(Q3DBars::Cylinders, true);
break;
case 2:
m_chart->setBarType(Q3DBars::Cones, false);
break;
case 3:
m_chart->setBarType(Q3DBars::Cones, true);
break;
case 4:
m_chart->setBarType(Q3DBars::Bars, false);
break;
case 5:
m_chart->setBarType(Q3DBars::Bars, true);
break;
case 6:
m_chart->setBarType(Q3DBars::Pyramids, false);
break;
case 7:
m_chart->setBarType(Q3DBars::Pyramids, true);
break;
}
model++;
if (model > 7)
model = 0;
}
void ChartDataGenerator::changePresetCamera()
{
static int preset = 0;
m_chart->setCameraPreset((Q3DBars::CameraPreset)preset);
if (++preset > (int)Q3DBars::PresetDirectlyAboveCCW45)
preset = 0;
}
void ChartDataGenerator::changeTheme()
{
static int theme = 1; // TODO: System theme not yet implemented
m_chart->setTheme((Q3DBars::ColorTheme)theme);
if (++theme > (int)Q3DBars::ThemeLight)
theme = 1; // TODO: System theme not yet implemented
}
int main(int argc, char **argv)
{
QGuiApplication app(argc, argv);
Q3DBars barchart;
barchart.resize(800, 600);
barchart.show();
ChartDataGenerator *generator = new ChartDataGenerator(&barchart);
generator->start();
return app.exec();
}
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