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Customchart example updated
Marek Rosa -
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1 /*!
1 /*!
2 \example examples/customchart
2 \example examples/customchart
3 \title Custom chart example
3 \title Custom chart example
4 \subtitle
4 \subtitle
5
5
6 This example shows how to customize the appearance of the different elements on a chart.
6 This example shows how to customize the appearance of the different elements on a chart.
7 \image examples_customchart.png
7 \image examples_customchart.png
8
8
9 We begin by creating a simple line series and a chart object.
9 We begin by creating a simple line series and a chart object.
10 \snippet ../examples/customchart/main.cpp 1
10 \snippet ../examples/customchart/main.cpp 1
11
11
12 Let the customization begin. First we customize the series and the chart's title and background.
12 Let the customization begin. First we customize the series and the chart's title and background.
13 \snippet ../examples/customchart/main.cpp 2
13 \snippet ../examples/customchart/main.cpp 2
14
14
15 Then we customize the axes.
15 Then we customize the axes.
16 \snippet ../examples/customchart/main.cpp 3
16 \snippet ../examples/customchart/main.cpp 3
17
17
18 And the axis label values and ranges.
18 And the axis label values and ranges. Once the axes are ready we set them to be used by the chart.
19 \snippet ../examples/customchart/main.cpp 4
19 \snippet ../examples/customchart/main.cpp 4
20
20
21 Finally we create a view containing the chart.
21 Finally we create a view containing the chart.
22 \snippet ../examples/customchart/main.cpp 5
22 \snippet ../examples/customchart/main.cpp 5
23
23
24 Now we are ready to show the chart on a main window.
24 Now we are ready to show the chart on a main window.
25 \snippet ../examples/customchart/main.cpp 6
25 \snippet ../examples/customchart/main.cpp 6
26 */
26 */
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1 /****************************************************************************
1 /****************************************************************************
2 **
2 **
3 ** Copyright (C) 2012 Digia Plc
3 ** Copyright (C) 2012 Digia Plc
4 ** All rights reserved.
4 ** All rights reserved.
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
6 **
6 **
7 ** This file is part of the Qt Commercial Charts Add-on.
7 ** This file is part of the Qt Commercial Charts Add-on.
8 **
8 **
9 ** $QT_BEGIN_LICENSE$
9 ** $QT_BEGIN_LICENSE$
10 ** Licensees holding valid Qt Commercial licenses may use this file in
10 ** Licensees holding valid Qt Commercial licenses may use this file in
11 ** accordance with the Qt Commercial License Agreement provided with the
11 ** accordance with the Qt Commercial License Agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia.
13 ** a written agreement between you and Digia.
14 **
14 **
15 ** If you have questions regarding the use of this file, please use
15 ** If you have questions regarding the use of this file, please use
16 ** contact form at http://qt.digia.com
16 ** contact form at http://qt.digia.com
17 ** $QT_END_LICENSE$
17 ** $QT_END_LICENSE$
18 **
18 **
19 ****************************************************************************/
19 ****************************************************************************/
20
20
21 #include <QApplication>
21 #include <QApplication>
22 #include <QMainWindow>
22 #include <QMainWindow>
23 #include <QChartView>
23 #include <QChartView>
24 #include <QLineSeries>
24 #include <QLineSeries>
25 #include <QValuesAxis>
25 #include <QValuesAxis>
26 #include <QBarCategoriesAxis>
26
27
27 QTCOMMERCIALCHART_USE_NAMESPACE
28 QTCOMMERCIALCHART_USE_NAMESPACE
28
29
29 int main(int argc, char *argv[])
30 int main(int argc, char *argv[])
30 {
31 {
31 QApplication a(argc, argv);
32 QApplication a(argc, argv);
32
33
33 //![1]
34 //![1]
34 QLineSeries* series = new QLineSeries();
35 QLineSeries* series = new QLineSeries();
35 *series << QPointF(0, 6) << QPointF(2, 4) << QPointF(3, 8) << QPointF(7, 4) << QPointF(10,5);
36 *series << QPointF(0, 6) << QPointF(0.5, 4) << QPointF(1, 8) << QPointF(1.5, 4) << QPointF(2, 3);
36 QChart* chart = new QChart();
37 QChart* chart = new QChart();
37 chart->legend()->hide();
38 chart->legend()->hide();
38 chart->addSeries(series);
39 chart->addSeries(series);
39 chart->createDefaultAxes();
40 //![1]
40 //![1]
41
41
42 //![2]
42 //![2]
43 // Customize series
43 // Customize series
44 QPen pen(QRgb(0xfdb157));
44 QPen pen(QRgb(0xfdb157));
45 pen.setWidth(5);
45 pen.setWidth(5);
46 series->setPen(pen);
46 series->setPen(pen);
47
47
48 // Customize chart title
48 // Customize chart title
49 QFont font;
49 QFont font;
50 font.setPixelSize(18);
50 font.setPixelSize(18);
51 chart->setTitleFont(font);
51 chart->setTitleFont(font);
52 chart->setTitleBrush(QBrush(Qt::white));
52 chart->setTitleBrush(QBrush(Qt::white));
53 chart->setTitle("Customchart example");
53 chart->setTitle("Customchart example");
54
54
55 // Customize chart background
55 // Customize chart background
56 QLinearGradient backgroundGradient;
56 QLinearGradient backgroundGradient;
57 backgroundGradient.setStart(QPointF(0,0));
57 backgroundGradient.setStart(QPointF(0,0));
58 backgroundGradient.setFinalStop(QPointF(0,1));
58 backgroundGradient.setFinalStop(QPointF(0,1));
59 backgroundGradient.setColorAt(0.0, QRgb(0xd2d0d1));
59 backgroundGradient.setColorAt(0.0, QRgb(0xd2d0d1));
60 backgroundGradient.setColorAt(1.0, QRgb(0x4c4547));
60 backgroundGradient.setColorAt(1.0, QRgb(0x4c4547));
61 backgroundGradient.setCoordinateMode(QGradient::ObjectBoundingMode);
61 backgroundGradient.setCoordinateMode(QGradient::ObjectBoundingMode);
62 chart->setBackgroundBrush(backgroundGradient);
62 chart->setBackgroundBrush(backgroundGradient);
63 //![2]
63 //![2]
64
64
65 //![3]
65 //![3]
66 QValuesAxis* axisX = qobject_cast<QValuesAxis *>(chart->axisX());
66 QBarCategoriesAxis* axisX = new QBarCategoriesAxis;
67 QValuesAxis* axisY = qobject_cast<QValuesAxis *>(chart->axisY());
67 QValuesAxis* axisY = new QValuesAxis;
68
68
69 // Customize axis label font
69 // Customize axis label font
70 QFont labelsFont;
70 QFont labelsFont;
71 labelsFont.setPixelSize(12);
71 labelsFont.setPixelSize(12);
72 axisX->setLabelsFont(labelsFont);
72 axisX->setLabelsFont(labelsFont);
73 axisY->setLabelsFont(labelsFont);
73 axisY->setLabelsFont(labelsFont);
74
74
75 // Customize axis colors
75 // Customize axis colors
76 QPen axisPen(QRgb(0xd18952));
76 QPen axisPen(QRgb(0xd18952));
77 axisPen.setWidth(2);
77 axisPen.setWidth(2);
78 axisX->setAxisPen(axisPen);
78 axisX->setAxisPen(axisPen);
79 axisY->setAxisPen(axisPen);
79 axisY->setAxisPen(axisPen);
80
80
81 // Customize axis label colors
81 // Customize axis label colors
82 QBrush axisBrush(Qt::white);
82 QBrush axisBrush(Qt::white);
83 axisX->setLabelsBrush(axisBrush);
83 axisX->setLabelsBrush(axisBrush);
84 axisY->setLabelsBrush(axisBrush);
84 axisY->setLabelsBrush(axisBrush);
85
85
86 // Customize grid lines and shades
86 // Customize grid lines and shades
87 axisX->setGridLineVisible(false);
87 axisX->setGridLineVisible(false);
88 axisY->setGridLineVisible(false);
88 axisY->setGridLineVisible(false);
89 axisY->setShadesPen(Qt::NoPen);
89 axisY->setShadesPen(Qt::NoPen);
90 axisY->setShadesBrush(QBrush(QRgb(0xa5a2a3)));
90 axisY->setShadesBrush(QBrush(QRgb(0xa5a2a3)));
91 axisY->setShadesVisible(true);
91 axisY->setShadesVisible(true);
92 //![3]
92 //![3]
93
93
94 //![4]
94 //![4]
95 // QAxisCategories* categoriesX = chart->axisX()->categories();
95 axisX->append("low");
96 // categoriesX->insert(1,"low");
96 axisX->append("optimal");
97 // categoriesX->insert(5,"optimal");
97 axisX->append("high");
98 // categoriesX->insert(10,"high");
98
99
99 axisX->setRange("low","high");
100 // QAxisCategories* categoriesY = chart->axisY()->categories();
101 // categoriesY->insert(1,"slow");
102 // categoriesY->insert(5,"med");
103 // categoriesY->insert(10,"fast");
104
105 axisX->setRange(0,10);
106 axisX->setTicksCount(4);
107 axisY->setRange(0,10);
100 axisY->setRange(0,10);
108 axisY->setTicksCount(4);
101 axisY->setTicksCount(4);
102 chart->setAxisX(axisX, series);
103 chart->setAxisY(axisY, series);
109 //![4]
104 //![4]
110
105
111 //![5]
106 //![5]
112 QChartView* chartView = new QChartView(chart);
107 QChartView* chartView = new QChartView(chart);
113 chartView->setRenderHint(QPainter::Antialiasing);
108 chartView->setRenderHint(QPainter::Antialiasing);
114 //![5]
109 //![5]
115
110
116 //![6]
111 //![6]
117 QMainWindow window;
112 QMainWindow window;
118 window.setCentralWidget(chartView);
113 window.setCentralWidget(chartView);
119 window.resize(400, 300);
114 window.resize(400, 300);
120 window.show();
115 window.show();
121 //![6]
116 //![6]
122
117
123 return a.exec();
118 return a.exec();
124 }
119 }
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