mirror of https://github.com/qt/qtdatavis3d.git
281 lines
9.5 KiB
C++
281 lines
9.5 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2014 Digia Plc
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** All rights reserved.
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** For any questions to Digia, please use contact form at http://qt.digia.com
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**
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** This file is part of the QtDataVisualization module.
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**
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** Licensees holding valid Qt Enterprise licenses may use this file in
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** accordance with the Qt Enterprise License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia.
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**
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.digia.com
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**
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****************************************************************************/
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#include "graphmodifier.h"
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#include <QtDataVisualization/qcategory3daxis.h>
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#include <QtDataVisualization/qvalue3daxis.h>
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#include <QtDataVisualization/qbardataproxy.h>
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#include <QtDataVisualization/q3dscene.h>
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#include <QtDataVisualization/q3dcamera.h>
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#include <QtDataVisualization/qbar3dseries.h>
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#include <QtDataVisualization/q3dtheme.h>
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#include <QTime>
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#include <QComboBox>
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using namespace QtDataVisualization;
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const QString celsiusString = QString(QChar(0xB0)) + "C";
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//! [0]
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GraphModifier::GraphModifier(Q3DBars *bargraph)
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: m_graph(bargraph),
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m_xRotation(0.0f),
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m_yRotation(0.0f),
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m_fontSize(30),
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m_segments(4),
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m_subSegments(3),
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m_minval(-20.0f),
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m_maxval(20.0f),
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//! [1]
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m_temperatureAxis(new QValue3DAxis),
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m_yearAxis(new QCategory3DAxis),
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m_monthAxis(new QCategory3DAxis),
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m_primarySeries(new QBar3DSeries),
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m_secondarySeries(new QBar3DSeries),
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//! [1]
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m_barMesh(QAbstract3DSeries::MeshBevelBar),
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m_smooth(false)
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{
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//! [2]
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m_graph->setShadowQuality(QAbstract3DGraph::ShadowQualitySoftMedium);
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m_graph->activeTheme()->setBackgroundEnabled(false);
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m_graph->activeTheme()->setFont(QFont("Times New Roman", m_fontSize));
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m_graph->activeTheme()->setLabelBackgroundEnabled(true);
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m_graph->setMultiSeriesUniform(true);
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//! [2]
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m_months << "January" << "February" << "March" << "April" << "May" << "June" << "July" << "August" << "September" << "October" << "November" << "December";
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m_years << "2006" << "2007" << "2008" << "2009" << "2010" << "2011" << "2012" << "2013";
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//! [3]
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m_temperatureAxis->setTitle("Average temperature");
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m_temperatureAxis->setSegmentCount(m_segments);
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m_temperatureAxis->setSubSegmentCount(m_subSegments);
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m_temperatureAxis->setRange(m_minval, m_maxval);
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m_temperatureAxis->setLabelFormat(QString(QStringLiteral("%.1f ") + celsiusString));
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m_yearAxis->setTitle("Year");
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m_monthAxis->setTitle("Month");
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m_graph->setValueAxis(m_temperatureAxis);
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m_graph->setRowAxis(m_yearAxis);
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m_graph->setColumnAxis(m_monthAxis);
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//! [3]
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//! [8]
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m_primarySeries->setItemLabelFormat(QStringLiteral("Oulu - @colLabel @rowLabel: @valueLabel"));
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m_primarySeries->setMesh(QAbstract3DSeries::MeshBevelBar);
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m_primarySeries->setMeshSmooth(false);
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m_secondarySeries->setItemLabelFormat(QStringLiteral("Helsinki - @colLabel @rowLabel: @valueLabel"));
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m_secondarySeries->setMesh(QAbstract3DSeries::MeshBevelBar);
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m_secondarySeries->setMeshSmooth(false);
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m_secondarySeries->setVisible(false);
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//! [8]
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//! [4]
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m_graph->addSeries(m_primarySeries);
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m_graph->addSeries(m_secondarySeries);
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//! [4]
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//! [6]
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changePresetCamera();
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//! [6]
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//! [9]
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resetTemperatureData();
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//! [9]
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}
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//! [0]
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GraphModifier::~GraphModifier()
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{
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delete m_graph;
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}
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void GraphModifier::resetTemperatureData()
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{
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//! [5]
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// Set up data
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static const float tempOulu[8][12] = {
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{-6.7f, -11.7f, -9.7f, 3.3f, 9.2f, 14.0f, 16.3f, 17.8f, 10.2f, 2.1f, -2.6f, -0.3f}, // 2006
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{-6.8f, -13.3f, 0.2f, 1.5f, 7.9f, 13.4f, 16.1f, 15.5f, 8.2f, 5.4f, -2.6f, -0.8f}, // 2007
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{-4.2f, -4.0f, -4.6f, 1.9f, 7.3f, 12.5f, 15.0f, 12.8f, 7.6f, 5.1f, -0.9f, -1.3f}, // 2008
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{-7.8f, -8.8f, -4.2f, 0.7f, 9.3f, 13.2f, 15.8f, 15.5f, 11.2f, 0.6f, 0.7f, -8.4f}, // 2009
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{-14.4f, -12.1f, -7.0f, 2.3f, 11.0f, 12.6f, 18.8f, 13.8f, 9.4f, 3.9f, -5.6f, -13.0f}, // 2010
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{-9.0f, -15.2f, -3.8f, 2.6f, 8.3f, 15.9f, 18.6f, 14.9f, 11.1f, 5.3f, 1.8f, -0.2f}, // 2011
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{-8.7f, -11.3f, -2.3f, 0.4f, 7.5f, 12.2f, 16.4f, 14.1f, 9.2f, 3.1f, 0.3f, -12.1f}, // 2012
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{-7.9f, -5.3f, -9.1f, 0.8f, 11.6f, 16.6f, 15.9f, 15.5f, 11.2f, 4.0f, 0.1f, -1.9f} // 2013
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};
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static const float tempHelsinki[8][12] = {
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{-3.7f, -7.8f, -5.4f, 3.4f, 10.7f, 15.4f, 18.6f, 18.7f, 14.3f, 8.5f, 2.9f, 4.1f}, // 2006
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{-1.2f, -7.5f, 3.1f, 5.5f, 10.3f, 15.9f, 17.4f, 17.9f, 11.2f, 7.3f, 1.1f, 0.5f}, // 2007
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{-0.6f, 1.2f, 0.2f, 6.3f, 10.2f, 13.8f, 18.1f, 15.1f, 10.1f, 9.4f, 2.5f, 0.4f}, // 2008
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{-2.9f, -3.5f, -0.9f, 4.7f, 10.9f, 14.0f, 17.4f, 16.8f, 13.2f, 4.1f, 2.6f, -2.3f}, // 2009
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{-10.2f, -8.0f, -1.9f, 6.6f, 11.3f, 14.5f, 21.0f, 18.8f, 12.6f, 6.1f, -0.5f, -7.3f}, // 2010
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{-4.4f, -9.1f, -2.0f, 5.5f, 9.9f, 15.6f, 20.8f, 17.8f, 13.4f, 8.9f, 3.6f, 1.5f}, // 2011
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{-3.5f, -3.2f, -0.7f, 4.0f, 11.1f, 13.4f, 17.3f, 15.8f, 13.1f, 6.4f, 4.1f, -5.1f}, // 2012
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{-4.8f, -1.8f, -5.0f, 2.9f, 12.8f, 17.2f, 18.0f, 17.1f, 12.5f, 7.5f, 4.5f, 2.3f} // 2013
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};
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// Create data arrays
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QBarDataArray *dataSet = new QBarDataArray;
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QBarDataArray *dataSet2 = new QBarDataArray;
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QBarDataRow *dataRow;
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QBarDataRow *dataRow2;
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dataSet->reserve(m_years.size());
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for (int year = 0; year < m_years.size(); year++) {
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// Create a data row
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dataRow = new QBarDataRow(m_months.size());
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dataRow2 = new QBarDataRow(m_months.size());
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for (int month = 0; month < m_months.size(); month++) {
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// Add data to the row
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(*dataRow)[month].setValue(tempOulu[year][month]);
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(*dataRow2)[month].setValue(tempHelsinki[year][month]);
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}
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// Add the row to the set
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dataSet->append(dataRow);
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dataSet2->append(dataRow2);
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}
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// Add data to the data proxy (the data proxy assumes ownership of it)
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m_primarySeries->dataProxy()->resetArray(dataSet, m_years, m_months);
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m_secondarySeries->dataProxy()->resetArray(dataSet2, m_years, m_months);
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//! [5]
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}
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void GraphModifier::changeRange(int range)
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{
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if (range >= m_years.count())
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m_yearAxis->setRange(0, m_years.count() - 1);
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else
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m_yearAxis->setRange(range, range);
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}
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void GraphModifier::changeStyle(int style)
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{
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QComboBox *comboBox = qobject_cast<QComboBox *>(sender());
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if (comboBox) {
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m_barMesh = QAbstract3DSeries::Mesh(comboBox->itemData(style).toInt());
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m_primarySeries->setMesh(m_barMesh);
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m_secondarySeries->setMesh(m_barMesh);
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}
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}
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void GraphModifier::changePresetCamera()
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{
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//! [10]
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static int preset = Q3DCamera::CameraPresetFront;
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m_graph->scene()->activeCamera()->setCameraPreset((Q3DCamera::CameraPreset)preset);
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if (++preset > Q3DCamera::CameraPresetDirectlyBelow)
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preset = Q3DCamera::CameraPresetFrontLow;
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//! [10]
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}
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void GraphModifier::changeTheme(int theme)
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{
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Q3DTheme *currentTheme = m_graph->activeTheme();
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currentTheme->setType(Q3DTheme::Theme(theme));
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emit backgroundEnabledChanged(currentTheme->isBackgroundEnabled());
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emit gridEnabledChanged(currentTheme->isGridEnabled());
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emit fontChanged(currentTheme->font());
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emit fontSizeChanged(currentTheme->font().pointSize());
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}
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void GraphModifier::changeLabelBackground()
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{
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m_graph->activeTheme()->setLabelBackgroundEnabled(!m_graph->activeTheme()->isLabelBackgroundEnabled());
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}
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void GraphModifier::changeSelectionMode(int selectionMode)
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{
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QComboBox *comboBox = qobject_cast<QComboBox *>(sender());
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if (comboBox) {
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int flags = comboBox->itemData(selectionMode).toInt();
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m_graph->setSelectionMode(QAbstract3DGraph::SelectionFlags(flags));
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}
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}
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void GraphModifier::changeFont(const QFont &font)
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{
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QFont newFont = font;
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m_graph->activeTheme()->setFont(newFont);
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}
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void GraphModifier::changeFontSize(int fontsize)
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{
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m_fontSize = fontsize;
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QFont font = m_graph->activeTheme()->font();
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font.setPointSize(m_fontSize);
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m_graph->activeTheme()->setFont(font);
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}
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void GraphModifier::shadowQualityUpdatedByVisual(QAbstract3DGraph::ShadowQuality sq)
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{
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int quality = int(sq);
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// Updates the UI component to show correct shadow quality
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emit shadowQualityChanged(quality);
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}
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void GraphModifier::changeShadowQuality(int quality)
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{
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QAbstract3DGraph::ShadowQuality sq = QAbstract3DGraph::ShadowQuality(quality);
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m_graph->setShadowQuality(sq);
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emit shadowQualityChanged(quality);
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}
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//! [7]
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void GraphModifier::rotateX(int rotation)
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{
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m_xRotation = rotation;
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m_graph->scene()->activeCamera()->setCameraPosition(m_xRotation, m_yRotation);
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}
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void GraphModifier::rotateY(int rotation)
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{
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m_yRotation = rotation;
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m_graph->scene()->activeCamera()->setCameraPosition(m_xRotation, m_yRotation);
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}
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//! [7]
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void GraphModifier::setBackgroundEnabled(int enabled)
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{
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m_graph->activeTheme()->setBackgroundEnabled(bool(enabled));
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}
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void GraphModifier::setGridEnabled(int enabled)
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{
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m_graph->activeTheme()->setGridEnabled(bool(enabled));
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}
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void GraphModifier::setSmoothBars(int smooth)
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{
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m_smooth = bool(smooth);
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m_primarySeries->setMeshSmooth(m_smooth);
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m_secondarySeries->setMeshSmooth(m_smooth);
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}
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void GraphModifier::setSeriesVisibility(int enabled)
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{
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m_secondarySeries->setVisible(bool(enabled));
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}
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