diff options
Diffstat (limited to 'examples/widget/chart.cpp')
| -rw-r--r-- | examples/widget/chart.cpp | 313 |
1 files changed, 212 insertions, 101 deletions
diff --git a/examples/widget/chart.cpp b/examples/widget/chart.cpp index c57a6752..a8c6c14a 100644 --- a/examples/widget/chart.cpp +++ b/examples/widget/chart.cpp @@ -1,46 +1,28 @@ /**************************************************************************** ** -** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/legal +** 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 documentation of QtDataVis3D module. +** This file is part of the QtDataVis3D module. ** -** $QT_BEGIN_LICENSE:BSD$ -** You may use this file under the terms of the BSD license as follows: +** 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. ** -** "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." -** -** $QT_END_LICENSE$ +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com ** ****************************************************************************/ #include "chart.h" +#include <QtDataVis3D/qcategoryaxis.h> +#include <QtDataVis3D/qvalueaxis.h> +#include <QtDataVis3D/qbardataproxy.h> +#include <QTime> -using namespace QtDataVis3D; +QT_DATAVIS3D_USE_NAMESPACE const QString celsiusString = QString(QChar(0xB0)) + "C"; @@ -56,11 +38,25 @@ ChartModifier::ChartModifier(Q3DBars *barchart) m_barSpacingX(0.1f), m_barSpacingZ(0.1f), m_fontSize(20), - m_ticks(20), - m_tickStep(1), - m_minval(-15.2f) + m_segments(4), + m_subSegments(3), + m_minval(-20.0), // TODO Barchart Y-axis currently only properly supports zero-centered ranges + m_maxval(20.0) { // Don't set any styles or specifications, start from defaults + // Generate generic labels + for (int i = 0; i < 200; i++) { + if (i % 5) + m_genericRowLabels << QString(); + else + m_genericRowLabels << QStringLiteral("Row %1").arg(i); + } + for (int i = 0; i < 200; i++) { + if (i % 5) + m_genericColumnLabels << QString(); + else + m_genericColumnLabels << QStringLiteral("Column %1").arg(i); + } } ChartModifier::~ChartModifier() @@ -81,16 +77,27 @@ void ChartModifier::restart(bool dynamicData) if (m_static) { start(); // Set selection mode to zoom row - m_chart->setSelectionMode(ModeZoomRow); + m_chart->setSelectionMode(QDataVis::ModeZoomRow); m_chart->setFont(QFont("Times Roman", 20)); - m_chart->setTickCount(m_ticks, m_tickStep, m_minval); } else { + m_chart->dataProxy()->resetArray(0); // Set up sample space - m_chart->setupSampleSpace(m_columnCount, m_rowCount); + m_chart->setupSampleSpace(m_rowCount, m_columnCount); // Set selection mode to full - m_chart->setSelectionMode(ModeBarRowAndColumn); - // Reset tick count to default - m_chart->setTickCount(0, 0); + m_chart->setSelectionMode(QDataVis::ModeItemRowAndColumn); + m_chart->valueAxis()->setSegmentCount(m_segments * 2); + m_chart->valueAxis()->setSubSegmentCount(0); + m_chart->valueAxis()->setAutoAdjustRange(true); + + m_chart->rowAxis()->setTitle("Generic Row"); + m_chart->columnAxis()->setTitle("Generic Column"); + m_chart->valueAxis()->setTitle("Generic Value"); + + if (m_chart->rowAxis()->labels().size() < m_rowCount) + m_chart->rowAxis()->setCategoryLabels(m_genericRowLabels.mid(0, m_rowCount)); + + if (m_chart->columnAxis()->labels().size() < m_rowCount) + m_chart->columnAxis()->setCategoryLabels(m_genericColumnLabels.mid(0, m_columnCount)); } } @@ -103,9 +110,9 @@ void ChartModifier::addDataSet() m_chart->setWindowTitle(QStringLiteral("Average temperatures in Oulu, Finland (2006-2012)")); // Set up row and column names - QVector<QString> months; + QStringList months; months << "January" << "February" << "March" << "April" << "May" << "June" << "July" << "August" << "September" << "October" << "November" << "December"; - QVector<QString> years; + QStringList years; years << "2006" << "2007" << "2008" << "2009" << "2010" << "2011" << "2012"; // Set up data @@ -117,46 +124,126 @@ void ChartModifier::addDataSet() {-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 {-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 - // Create data set - QDataSet *dataSet = new QDataSet(); + // Use default data proxy to feed data directly in expected format + QBarDataProxy *proxy = m_chart->dataProxy(); + proxy->setItemLabelFormat(celsiusString); // Add labels - dataSet->setLabels("Year", "Month", "Average temperature (" + celsiusString + ")", - years, months); + m_chart->rowAxis()->setTitle("Year"); + m_chart->columnAxis()->setTitle("Month"); + m_chart->valueAxis()->setTitle("Average temperature (" + celsiusString + ")"); + m_chart->rowAxis()->setCategoryLabels(years); + m_chart->columnAxis()->setCategoryLabels(months); + m_chart->valueAxis()->setSegmentCount(m_segments); + m_chart->valueAxis()->setSubSegmentCount(m_subSegments); + m_chart->valueAxis()->setRange(m_minval, m_maxval); // Create data rows - QDataRow *dataRow; + QBarDataArray *dataSet = new QBarDataArray; + QBarDataRow *dataRow; + + dataSet->reserve(years.size()); for (int year = 0; year < years.size(); year++) { - dataRow = new QDataRow(years.at(year)); + dataRow = new QBarDataRow(months.size()); // Create data items for (int month = 0; month < months.size(); month++) { // Add data to rows - dataRow->addItem(new QDataItem(temp[year][month], celsiusString)); + (*dataRow)[month].setValue(temp[year][month]); } // Add row to set - dataSet->addRow(dataRow); - // Get next pointer - dataRow++; + dataSet->append(dataRow); } - // Set tick count (4 steps of 5 degrees, with absolute minimum of -16C, even though we don't have quite that low temperatures in the data) - //m_chart->setTickCount(4, 5, -16.0f); - // ..or 20 steps of 1 degree, with absolute minimum of -15.2C - m_chart->setTickCount(m_ticks, m_tickStep, m_minval); - // Set up sample space based on prepared data - m_chart->setupSampleSpace(months.size(), years.size()); + m_chart->setupSampleSpace(years.size(), months.size()); + + // Add data to chart (chart assumes ownership) + proxy->resetArray(dataSet); +} + +void ChartModifier::addRow() +{ + QBarDataRow *dataRow = new QBarDataRow(m_columnCount); + for (float i = 0; i < m_columnCount; i++) { + (*dataRow)[i].setValue(((i + 1) / (float)m_columnCount) * (float)(rand() % 100)); + //(*dataRow)[i].setValue(i + m_chart->dataProxy()->rowCount()); + } + m_chart->dataProxy()->insertRow(0, dataRow); +} + +void ChartModifier::addRows() +{ + QTime timer; + timer.start(); + QBarDataArray dataArray; + for (int i = 0; i < m_rowCount; i++) { + QBarDataRow *dataRow = new QBarDataRow(m_columnCount); + for (int j = 0; j < m_columnCount; j++) + (*dataRow)[j].setValue(qreal(j + i + m_chart->dataProxy()->rowCount())); + dataArray.append(dataRow); + } + m_chart->dataProxy()->insertRows(0, dataArray); + qDebug() << "Added" << m_rowCount << "rows, time:" << timer.elapsed(); +} + +void ChartModifier::changeItem() +{ + // TODO fix to use actual selected item, for now just assume some row/column are selected + int row = qMin(4, (m_chart->dataProxy()->rowCount() - 1)); + if (row >= 0) { + int column = qMin(4, (m_chart->dataProxy()->rowAt(row)->size() - 1)); + if (column >= 0) { + QBarDataItem item(qreal(rand() % 100)); + m_chart->dataProxy()->setItem(row, column, item); + } + } +} + +void ChartModifier::changeRow() +{ + // TODO fix to use actual selected item, for now just assume some is selected + int row = qMin(4, (m_chart->dataProxy()->rowCount() - 1)); + if (row >= 0) { + QBarDataRow *newRow = new QBarDataRow(m_chart->dataProxy()->rowAt(row)->size()); + for (int i = 0; i < newRow->size(); i++) + (*newRow)[i].setValue(qreal(rand() % 100)); + m_chart->dataProxy()->setRow(row, newRow); + } +} + +void ChartModifier::changeRows() +{ + // TODO fix to use actual selected item, for now just assume some is selected + int row = qMin(4, (m_chart->dataProxy()->rowCount() - 1)); + if (row >= 0) { + int startRow = qMax(row - 2, 0); + QBarDataArray newArray; + for (int i = startRow; i <= row; i++ ) { + QBarDataRow *newRow = new QBarDataRow(m_chart->dataProxy()->rowAt(i)->size()); + for (int j = 0; j < newRow->size(); j++) + (*newRow)[j].setValue(qreal(rand() % 100)); + newArray.append(newRow); + } + m_chart->dataProxy()->setRows(startRow, newArray); + } +} - // Add data to chart - m_chart->addDataSet(dataSet); +void ChartModifier::removeRow() +{ + // TODO fix to use actual selected item, for now just assume some is selected + int row = qMin(4, (m_chart->dataProxy()->rowCount() - 1)); + if (row >= 0) + m_chart->dataProxy()->removeRows(row, 1); } -void ChartModifier::addBars() +void ChartModifier::removeRows() { - QVector<float> data; - for (float i = 0; i < m_columnCount; i++) - data.append(((i + 1) / (float)m_columnCount) * (float)(rand() % 100)); - m_chart->addDataRow(data); + // TODO fix to use actual selected item, for now just assume some is selected + int row = qMin(4, (m_chart->dataProxy()->rowCount() - 1)); + if (row >= 0) { + int startRow = qMax(row - 2, 0); + m_chart->dataProxy()->removeRows(startRow, 3); + } } void ChartModifier::changeStyle() @@ -164,34 +251,34 @@ void ChartModifier::changeStyle() static int model = 0; switch (model) { case 0: - m_chart->setBarType(Cylinders, false); + m_chart->setBarType(QDataVis::Cylinders, false); break; case 1: - m_chart->setBarType(Cylinders, true); + m_chart->setBarType(QDataVis::Cylinders, true); break; case 2: - m_chart->setBarType(Cones, false); + m_chart->setBarType(QDataVis::Cones, false); break; case 3: - m_chart->setBarType(Cones, true); + m_chart->setBarType(QDataVis::Cones, true); break; case 4: - m_chart->setBarType(Bars, false); + m_chart->setBarType(QDataVis::Bars, false); break; case 5: - m_chart->setBarType(Bars, true); + m_chart->setBarType(QDataVis::Bars, true); break; case 6: - m_chart->setBarType(Pyramids, false); + m_chart->setBarType(QDataVis::Pyramids, false); break; case 7: - m_chart->setBarType(Pyramids, true); + m_chart->setBarType(QDataVis::Pyramids, true); break; case 8: - m_chart->setBarType(BevelBars, false); + m_chart->setBarType(QDataVis::BevelBars, false); break; case 9: - m_chart->setBarType(BevelBars, true); + m_chart->setBarType(QDataVis::BevelBars, true); break; } model++; @@ -201,42 +288,42 @@ void ChartModifier::changeStyle() void ChartModifier::changePresetCamera() { - static int preset = PresetFrontLow; + static int preset = QDataVis::PresetFrontLow; - m_chart->setCameraPreset((CameraPreset)preset); + m_chart->setCameraPreset((QDataVis::CameraPreset)preset); - if (++preset > PresetDirectlyBelow) - preset = PresetFrontLow; + if (++preset > QDataVis::PresetDirectlyBelow) + preset = QDataVis::PresetFrontLow; } void ChartModifier::changeTheme() { - static int theme = ThemeSystem; + static int theme = QDataVis::ThemeSystem; - m_chart->setTheme((ColorTheme)theme); + m_chart->setTheme((QDataVis::ColorTheme)theme); - if (++theme > ThemeLight) - theme = ThemeSystem; + if (++theme > QDataVis::ThemeLight) + theme = QDataVis::ThemeSystem; } void ChartModifier::changeTransparency() { - static int transparency = TransparencyNone; + static int transparency = QDataVis::TransparencyNone; - m_chart->setLabelTransparency((LabelTransparency)transparency); + m_chart->setLabelTransparency((QDataVis::LabelTransparency)transparency); - if (++transparency > TransparencyNoBackground) - transparency = TransparencyFromTheme; + if (++transparency > QDataVis::TransparencyNoBackground) + transparency = QDataVis::TransparencyFromTheme; } void ChartModifier::changeSelectionMode() { - static int selectionMode = ModeNone; + static int selectionMode = QDataVis::ModeNone; - m_chart->setSelectionMode((SelectionMode)selectionMode); + m_chart->setSelectionMode((QDataVis::SelectionMode)selectionMode); - if (++selectionMode > ModeZoomColumn) - selectionMode = ModeNone; + if (++selectionMode > QDataVis::ModeZoomColumn) + selectionMode = QDataVis::ModeNone; } void ChartModifier::changeFont(const QFont &font) @@ -253,31 +340,51 @@ void ChartModifier::changeFontSize(int fontsize) m_chart->setFontSize((GLfloat)m_fontSize); } +void ChartModifier::shadowQualityUpdatedByVisual(QDataVis::ShadowQuality sq) +{ + int quality = 0; + switch (sq) { + case QDataVis::ShadowLow: + quality = 1; + break; + case QDataVis::ShadowMedium: + quality = 2; + break; + case QDataVis::ShadowHigh: + quality = 3; + break; + } + + // Updates the UI component to show correct shadow quality + emit shadowQualityChanged(quality); +} + void ChartModifier::changeShadowQuality(int quality) { - ShadowQuality sq = ShadowNone; + QDataVis::ShadowQuality sq = QDataVis::ShadowNone; switch (quality) { case 1: - sq = ShadowLow; + sq = QDataVis::ShadowLow; break; case 2: - sq = ShadowMedium; + sq = QDataVis::ShadowMedium; break; case 3: - sq = ShadowHigh; + sq = QDataVis::ShadowHigh; break; } m_chart->setShadowQuality(sq); + emit shadowQualityChanged(quality); } void ChartModifier::setBackgroundEnabled(int enabled) { - m_chart->setBackgroundEnabled((bool)enabled); + m_chart->setBackgroundVisible((bool)enabled); } void ChartModifier::setGridEnabled(int enabled) { - m_chart->setGridEnabled((bool)enabled); + m_chart->setGridVisible((bool)enabled); } void ChartModifier::rotateX(int rotation) @@ -319,11 +426,15 @@ void ChartModifier::setSpacingSpecsZ(int spacing) void ChartModifier::setSampleCountX(int samples) { m_columnCount = samples; - m_chart->setupSampleSpace(m_columnCount, m_rowCount); + m_chart->setupSampleSpace(m_rowCount, m_columnCount); + if (m_chart->columnAxis()->labels().size() < m_columnCount) + m_chart->columnAxis()->setCategoryLabels(m_genericColumnLabels.mid(0, m_columnCount)); } void ChartModifier::setSampleCountZ(int samples) { m_rowCount = samples; - m_chart->setupSampleSpace(m_columnCount, m_rowCount); + m_chart->setupSampleSpace(m_rowCount, m_columnCount); + if (m_chart->rowAxis()->labels().size() < m_rowCount) + m_chart->rowAxis()->setCategoryLabels(m_genericRowLabels.mid(0, m_rowCount)); } |