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Added DateTimeAxis Example
Marek Rosa -
r1739:3245355f8941
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@@ -0,0 +1,5
1 !include( ../examples.pri ) {
2 error( "Couldn't find the examples.pri file!" )
3 }
4 TARGET = datetimeaxis
5 SOURCES += main.cpp
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@@ -0,0 +1,82
1 /****************************************************************************
2 **
3 ** Copyright (C) 2012 Digia Plc
4 ** All rights reserved.
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
6 **
7 ** This file is part of the Qt Commercial Charts Add-on.
8 **
9 ** $QT_BEGIN_LICENSE$
10 ** Licensees holding valid Qt Commercial licenses may use this file in
11 ** accordance with the Qt Commercial License Agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia.
14 **
15 ** If you have questions regarding the use of this file, please use
16 ** contact form at http://qt.digia.com
17 ** $QT_END_LICENSE$
18 **
19 ****************************************************************************/
20
21 #include <QApplication>
22 #include <QMainWindow>
23 #include <QChartView>
24 #include <QLineSeries>
25 #include <QDateTime>
26 #include <QDateTimeAxis>
27
28 QTCOMMERCIALCHART_USE_NAMESPACE
29
30 int main(int argc, char *argv[])
31 {
32 QApplication a(argc, argv);
33 qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
34
35 //![1]
36 QLineSeries* series = new QLineSeries();
37 //![1]
38
39 //![2]
40 QDateTime momentInTime;
41 for (int i = 0; i < 100; i++) {
42 momentInTime.setDate(QDate(2012, 1 , (1 + i / 9) % 28));
43 momentInTime.setTime(QTime(9 + i % 9, 0));
44 if (i > 0)
45 series->append(momentInTime.toMSecsSinceEpoch(), series->points().at(i - 1).y() * (0.95 + (qrand() % 11) / 100.0));
46 else
47 series->append(momentInTime.toMSecsSinceEpoch(), 45);
48 }
49 //![2]
50
51 //![3]
52 QChart* chart = new QChart();
53 chart->legend()->hide();
54 chart->addSeries(series);
55 chart->createDefaultAxes();
56 QDateTimeAxis *axisX = new QDateTimeAxis;
57 axisX->setTicksCount(20);
58 momentInTime.setDate(QDate(2012,1,1));
59 momentInTime.setTime(QTime(6, 0));
60 axisX->setMin(momentInTime);
61 momentInTime.setDate(QDate(2012,1,7));
62 momentInTime.setTime(QTime(18, 0));
63 axisX->setMax(momentInTime);
64 chart->setAxisX(axisX, series);
65 chart->setTitle("Date and Time axis chart example");
66 //![3]
67
68 //![4]
69 QChartView* chartView = new QChartView(chart);
70 chartView->setRenderHint(QPainter::Antialiasing);
71 //![4]
72
73
74 //![5]
75 QMainWindow window;
76 window.setCentralWidget(chartView);
77 window.resize(800, 600);
78 window.show();
79 //![5]
80
81 return a.exec();
82 }
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@@ -29,4 +29,5 SUBDIRS += \
29 horizontalpercentbarchart \
29 horizontalpercentbarchart \
30 donut \
30 donut \
31 donutdrilldown \
31 donutdrilldown \
32 scrollchart
32 scrollchart \
33 datetimeaxis
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@@ -255,7 +255,7 QDateTimeAxisPrivate::QDateTimeAxisPrivate(QDateTimeAxis* q):
255 {
255 {
256 m_min = QDateTime::fromMSecsSinceEpoch(0);
256 m_min = QDateTime::fromMSecsSinceEpoch(0);
257 m_max = QDateTime::fromMSecsSinceEpoch(0);
257 m_max = QDateTime::fromMSecsSinceEpoch(0);
258 m_format = "hh:mm:ss\ndd-mm-yyyy";
258 m_format = "dd-MMM-yy\nh:mm";
259 }
259 }
260
260
261 QDateTimeAxisPrivate::~QDateTimeAxisPrivate()
261 QDateTimeAxisPrivate::~QDateTimeAxisPrivate()
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