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Initial ColorMap Chart implementation....
Initial ColorMap Chart implementation. Signed-off-by: jeandet <alexis.jeandet@member.fsf.org>

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chartview.cpp
107 lines | 3.5 KiB | text/x-c | CppLexer
Miikka Heikkinen
Updated license...
r2854 /****************************************************************************
Marek Rosa
License added to several files
r1365 **
Miikka Heikkinen
Updated license...
r2854 ** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
Marek Rosa
License added to several files
r1365 **
Miikka Heikkinen
Updated license...
r2854 ** This file is part of the Qt Charts module of the Qt Toolkit.
Marek Rosa
License added to several files
r1365 **
Miikka Heikkinen
Updated license...
r2854 ** $QT_BEGIN_LICENSE:GPL$
Titta Heikkala
Updated license headers...
r2845 ** 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
Miikka Heikkinen
Updated license...
r2854 ** 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.
Marek Rosa
License added to several files
r1365 **
Titta Heikkala
Updated license headers...
r2845 ** $QT_END_LICENSE$
**
Miikka Heikkinen
Updated license...
r2854 ****************************************************************************/
Marek Rosa
License added to several files
r1365
Tero Ahola
Fixed presenter and scatter examples and their documentation.
r1015 #include "chartview.h"
Titta Heikkala
Fix include syntax...
r2714 #include <QtCharts/QScatterSeries>
#include <QtCharts/QLegendMarker>
#include <QtGui/QImage>
#include <QtGui/QPainter>
#include <QtCore/QtMath>
Titta Heikkala
Add example of using image as a brush for scatter series...
r2612
const float Pi = 3.14159f;
Tero Ahola
Fixed presenter and scatter examples and their documentation.
r1015
ChartView::ChartView(QWidget *parent) :
QChartView(new QChart(), parent)
{
//![1]
QScatterSeries *series0 = new QScatterSeries();
Tero Ahola
Named all series in example applications
r1226 series0->setName("scatter1");
Tero Ahola
Scatter customization to QML api
r1276 series0->setMarkerShape(QScatterSeries::MarkerShapeCircle);
series0->setMarkerSize(15.0);
Tero Ahola
Fixed presenter and scatter examples and their documentation.
r1015
QScatterSeries *series1 = new QScatterSeries();
Tero Ahola
Named all series in example applications
r1226 series1->setName("scatter2");
Titta Heikkala
Add example of using image as a brush for scatter series...
r2612 series1->setMarkerShape(QScatterSeries::MarkerShapeRectangle);
Tero Ahola
Scatter customization to QML api
r1276 series1->setMarkerSize(20.0);
Titta Heikkala
Add example of using image as a brush for scatter series...
r2612
QScatterSeries *series2 = new QScatterSeries();
series2->setName("scatter3");
series2->setMarkerShape(QScatterSeries::MarkerShapeRectangle);
series2->setMarkerSize(30.0);
Tero Ahola
Fixed presenter and scatter examples and their documentation.
r1015 //![1]
//![2]
series0->append(0, 6);
series0->append(2, 4);
series0->append(3, 8);
series0->append(7, 4);
series0->append(10, 5);
*series1 << QPointF(1, 1) << QPointF(3, 3) << QPointF(7, 6) << QPointF(8, 3) << QPointF(10, 2);
Titta Heikkala
Add example of using image as a brush for scatter series...
r2612 *series2 << QPointF(1, 5) << QPointF(4, 6) << QPointF(6, 3) << QPointF(9, 5);
Tero Ahola
Fixed presenter and scatter examples and their documentation.
r1015 //![2]
//![3]
Titta Heikkala
Add example of using image as a brush for scatter series...
r2612 QPainterPath starPath;
starPath.moveTo(30, 15);
for (int i = 1; i < 5; ++i) {
starPath.lineTo(15 + 15 * qCos(0.8 * i * Pi),
15 + 15 * qSin(0.8 * i * Pi));
}
starPath.closeSubpath();
QImage star(30, 30, QImage::Format_ARGB32);
star.fill(Qt::transparent);
QPainter painter(&star);
painter.setRenderHint(QPainter::Antialiasing);
painter.setPen(QRgb(0xf6a625));
painter.setBrush(painter.pen().color());
painter.drawPath(starPath);
series2->setBrush(star);
//![3]
//![4]
Tero Ahola
Fixed presenter and scatter examples and their documentation.
r1015 setRenderHint(QPainter::Antialiasing);
chart()->addSeries(series0);
chart()->addSeries(series1);
Titta Heikkala
Add example of using image as a brush for scatter series...
r2612 chart()->addSeries(series2);
Tero Ahola
Fixed presenter and scatter examples and their documentation.
r1015 chart()->setTitle("Simple scatterchart example");
Marek Rosa
Enable default axes in spline and scatter charts
r1610 chart()->createDefaultAxes();
Tero Ahola
Minor modifications to properties of abstract, area and bar series
r1462 chart()->setDropShadowEnabled(false);
Titta Heikkala
Add example of using image as a brush for scatter series...
r2612 //![4]
//![5]
QList<QLegendMarker *> markers = chart()->legend()->markers(series2);
for (int i = 0; i < markers.count(); i++)
markers.at(i)->setBrush(painter.pen().color());
//![5]
Tero Ahola
Fixed presenter and scatter examples and their documentation.
r1015 }