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Diffstat (limited to 'examples/charts/zoomlinechart/main.cpp')
-rw-r--r-- | examples/charts/zoomlinechart/main.cpp | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/examples/charts/zoomlinechart/main.cpp b/examples/charts/zoomlinechart/main.cpp new file mode 100644 index 00000000..7dd5865a --- /dev/null +++ b/examples/charts/zoomlinechart/main.cpp @@ -0,0 +1,62 @@ +/**************************************************************************** +** +** Copyright (C) 2014 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 Qt Enterprise Charts Add-on. +** +** $QT_BEGIN_LICENSE$ +** 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 +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "chart.h" +#include "chartview.h" +#include <QApplication> +#include <QMainWindow> +#include <qmath.h> +#include <QLineSeries> +#include <QValueAxis> + +QT_CHARTS_USE_NAMESPACE + +int main(int argc, char *argv[]) +{ + QApplication a(argc, argv); + +//![1] + QLineSeries *series = new QLineSeries(); + for (int i = 0; i < 500; i++) { + QPointF p((qreal) i, qSin(M_PI / 50 * i) * 100); + p.ry() += qrand() % 20; + *series << p; + } +//![1] + + Chart *chart = new Chart(); + chart->addSeries(series); + chart->setTitle("Zoom in/out example"); + chart->setAnimationOptions(QChart::SeriesAnimations); + chart->legend()->hide(); + chart->createDefaultAxes(); + + ChartView *chartView = new ChartView(chart); + chartView->setRenderHint(QPainter::Antialiasing); + + QMainWindow window; + window.setCentralWidget(chartView); + window.resize(400, 300); + window.grabGesture(Qt::PanGesture); + window.grabGesture(Qt::PinchGesture); + window.show(); + + return a.exec(); +} |