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Diffstat (limited to 'tests/scattertest/scatterchart.cpp')
-rw-r--r-- | tests/scattertest/scatterchart.cpp | 332 |
1 files changed, 332 insertions, 0 deletions
diff --git a/tests/scattertest/scatterchart.cpp b/tests/scattertest/scatterchart.cpp new file mode 100644 index 00000000..f23ee99d --- /dev/null +++ b/tests/scattertest/scatterchart.cpp @@ -0,0 +1,332 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "scatterchart.h" +#include <QtDataVisualization/qscatterdataproxy.h> +#include <QtDataVisualization/q3dvalueaxis.h> +#include <QtDataVisualization/q3dscene.h> +#include <QtDataVisualization/q3dcamera.h> +#include <qmath.h> +using namespace QtDataVisualization; + +//#define RANDOM_SCATTER + +const int numberOfItems = 10000; + +ScatterDataModifier::ScatterDataModifier(Q3DScatter *scatter) + : m_chart(scatter), + m_fontSize(30.0f), + m_selectedItem(-1) +{ + QFont font = m_chart->font(); + font.setPointSize(m_fontSize); + m_chart->setFont(font); + m_chart->setObjectType(QDataVis::MeshStyleSpheres, true); + m_chart->setTheme(QDataVis::ThemeStoneMoss); + m_chart->setShadowQuality(QDataVis::ShadowQualityHigh); + m_chart->scene()->activeCamera()->setCameraPreset(QDataVis::CameraPresetFront); + m_chart->setAxisX(new Q3DValueAxis); + m_chart->setAxisY(new Q3DValueAxis); + m_chart->setAxisZ(new Q3DValueAxis); + + QScatterDataProxy *proxy = new QScatterDataProxy; + proxy->setItemLabelFormat("@xTitle: @xLabel @yTitle: @yLabel @zTitle: @zLabel"); + m_chart->setActiveDataProxy(proxy); + + connect(&m_timer, &QTimer::timeout, this, &ScatterDataModifier::timeout); +} + +ScatterDataModifier::~ScatterDataModifier() +{ + delete m_chart; +} + +void ScatterDataModifier::start() +{ + addData(); +} + +void ScatterDataModifier::addData() +{ + // Add labels + m_chart->axisX()->setTitle("X"); + m_chart->axisY()->setTitle("Y"); + m_chart->axisZ()->setTitle("Z"); + m_chart->axisX()->setRange(-50.0, 50.0); + m_chart->axisY()->setRange(-1.0, 1.0); + m_chart->axisZ()->setRange(-50.0, 50.0); + + QScatterDataArray *dataArray = new QScatterDataArray; + dataArray->resize(numberOfItems); + QScatterDataItem *ptrToDataArray = &dataArray->first(); + +#ifdef RANDOM_SCATTER + for (int i = 0; i < numberOfItems; i++) { + ptrToDataArray->setPosition(randVector()); + ptrToDataArray++; + } +#else + float limit = qSqrt(numberOfItems) / 2.0f; + for (float i = -limit; i < limit; i++) { + for (float j = -limit; j < limit; j++) { + ptrToDataArray->setPosition(QVector3D(i, qCos(qDegreesToRadians((i * j) / 7.5)), j)); + ptrToDataArray++; + } + } +#endif + + static_cast<QScatterDataProxy *>(m_chart->activeDataProxy())->resetArray(dataArray); +} + +void ScatterDataModifier::changeStyle() +{ + static int model = 0; + switch (model) { + case 0: + m_chart->setObjectType(QDataVis::MeshStyleDots, false); + break; + case 1: + m_chart->setObjectType(QDataVis::MeshStyleDots, true); + break; + case 2: + m_chart->setObjectType(QDataVis::MeshStyleSpheres, false); + break; + case 3: + m_chart->setObjectType(QDataVis::MeshStyleSpheres, true); + break; + } + model++; + if (model > 3) + model = 0; +} + +void ScatterDataModifier::changePresetCamera() +{ + static int preset = QDataVis::CameraPresetFrontLow; + + m_chart->scene()->activeCamera()->setCameraPreset((QDataVis::CameraPreset)preset); + + if (++preset > QDataVis::CameraPresetDirectlyAboveCCW45) + preset = QDataVis::CameraPresetFrontLow; +} + +void ScatterDataModifier::changeTheme() +{ + static int theme = QDataVis::ThemeQt; + + m_chart->setTheme((QDataVis::Theme)theme); + + if (++theme > QDataVis::ThemeIsabelle) + theme = QDataVis::ThemeQt; +} + +void ScatterDataModifier::changeLabelStyle() +{ + static int style = QDataVis::LabelStyleOpaque; + + m_chart->setLabelStyle((QDataVis::LabelStyle)style); + + if (++style > QDataVis::LabelStyleTransparent) + style = QDataVis::LabelStyleOpaque; +} + +void ScatterDataModifier::changeFont(const QFont &font) +{ + QFont newFont = font; + newFont.setPointSizeF(m_fontSize); + m_chart->setFont(newFont); +} + +void ScatterDataModifier::changeFontSize(int fontsize) +{ + m_fontSize = fontsize; + QFont font = m_chart->font(); + font.setPointSize(m_fontSize); + m_chart->setFont(font); +} + +void ScatterDataModifier::shadowQualityUpdatedByVisual(QDataVis::ShadowQuality sq) +{ + int quality = int(sq); + // Updates the UI component to show correct shadow quality + emit shadowQualityChanged(quality); +} + +void ScatterDataModifier::clear() +{ + m_chart->activeDataProxy()->resetArray(0); + qDebug() << m_loopCounter << "Cleared array"; +} + +void ScatterDataModifier::addOne() +{ + QScatterDataItem item(randVector()); + int addIndex = m_chart->activeDataProxy()->addItem(item); + qDebug() << m_loopCounter << "added one to index:" << addIndex << "array size:" << m_chart->activeDataProxy()->array()->size(); +} + +void ScatterDataModifier::addBunch() +{ + QScatterDataArray items(100); + for (int i = 0; i < items.size(); i++) + items[i].setPosition(randVector()); + int addIndex = m_chart->activeDataProxy()->addItems(items); + qDebug() << m_loopCounter << "added bunch to index:" << addIndex << "array size:" << m_chart->activeDataProxy()->array()->size(); +} + +void ScatterDataModifier::insertOne() +{ + QScatterDataItem item(randVector()); + m_chart->activeDataProxy()->insertItem(0, item); + qDebug() << m_loopCounter << "Inserted one, array size:" << m_chart->activeDataProxy()->array()->size(); +} + +void ScatterDataModifier::insertBunch() +{ + QScatterDataArray items(100); + for (int i = 0; i < items.size(); i++) + items[i].setPosition(randVector()); + m_chart->activeDataProxy()->insertItems(0, items); + qDebug() << m_loopCounter << "Inserted bunch, array size:" << m_chart->activeDataProxy()->array()->size(); +} + +void ScatterDataModifier::changeOne() +{ + if (m_selectedItem >= 0 && m_chart->activeDataProxy()->array()->size()) { + QScatterDataItem item(randVector()); + m_chart->activeDataProxy()->setItem(m_selectedItem, item); + qDebug() << m_loopCounter << "Changed one, array size:" << m_chart->activeDataProxy()->array()->size(); + } +} + +void ScatterDataModifier::changeBunch() +{ + if (m_chart->activeDataProxy()->array()->size()) { + int amount = qMin(m_chart->activeDataProxy()->array()->size(), 100); + QScatterDataArray items(amount); + for (int i = 0; i < items.size(); i++) + items[i].setPosition(randVector()); + m_chart->activeDataProxy()->setItems(0, items); + qDebug() << m_loopCounter << "Changed bunch, array size:" << m_chart->activeDataProxy()->array()->size(); + } +} + +void ScatterDataModifier::removeOne() +{ + if (m_selectedItem >= 0) { + m_chart->activeDataProxy()->removeItems(m_selectedItem, 1); + qDebug() << m_loopCounter << "Removed one, array size:" << m_chart->activeDataProxy()->array()->size(); + } +} + +void ScatterDataModifier::removeBunch() +{ + m_chart->activeDataProxy()->removeItems(0, 100); + qDebug() << m_loopCounter << "Removed bunch, array size:" << m_chart->activeDataProxy()->array()->size(); +} + +void ScatterDataModifier::timeout() +{ + int doWhat = rand() % 8; + if (!(rand() % 100)) + doWhat = -1; + + switch (doWhat) { + case 0: + addOne(); + break; + case 1: + addBunch(); + break; + case 2: + insertOne(); + break; + case 3: + insertBunch(); + break; + case 4: + changeOne(); + break; + case 5: + changeBunch(); + break; + case 6: + removeOne(); + break; + case 7: + removeBunch(); + break; + default: + clear(); + break; + } + + m_loopCounter++; +} + +void ScatterDataModifier::startStopTimer() +{ + if (m_timer.isActive()) { + m_timer.stop(); + } else { + clear(); + m_loopCounter = 0; + m_timer.start(0); + } +} + +void ScatterDataModifier::selectItem() +{ + int targetItem(3); + int noSelection(-1); + if (m_selectedItem != targetItem) + m_chart->setSelectedItemIndex(targetItem); + else + m_chart->setSelectedItemIndex(noSelection); +} + +void ScatterDataModifier::handleSelectionChange(int index) +{ + m_selectedItem = index; + qDebug() << "Selected item index:" << index; +} + +void ScatterDataModifier::changeShadowQuality(int quality) +{ + QDataVis::ShadowQuality sq = QDataVis::ShadowQuality(quality); + m_chart->setShadowQuality(sq); + emit shadowQualityChanged(quality); +} + +void ScatterDataModifier::setBackgroundEnabled(int enabled) +{ + m_chart->setBackgroundVisible((bool)enabled); +} + +void ScatterDataModifier::setGridEnabled(int enabled) +{ + m_chart->setGridVisible((bool)enabled); +} + +QVector3D ScatterDataModifier::randVector() +{ + return QVector3D( + (float)(rand() % 100) / 2.0f - (float)(rand() % 100) / 2.0f, + (float)(rand() % 100) / 100.0f - (float)(rand() % 100) / 100.0f, + (float)(rand() % 100) / 2.0f - (float)(rand() % 100) / 2.0f); +} |