1/****************************************************************************
2**
3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the Qt Charts module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:GPL$
9** Commercial License Usage
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16**
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18** Alternatively, this file may be used under the terms of the GNU
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21** the Free Software Foundation and appearing in the file LICENSE.GPL3
22** included in the packaging of this file. Please review the following
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28****************************************************************************/
29
30// W A R N I N G
31// -------------
32//
33// This file is not part of the Qt Chart API. It exists purely as an
34// implementation detail. This header file may change from version to
35// version without notice, or even be removed.
36//
37// We mean it.
38
39#ifndef CHARTBACKGROUND_H
40#define CHARTBACKGROUND_H
41
42#include <QtCharts/QChartGlobal>
43#include <QtWidgets/QGraphicsRectItem>
44#include <QtCharts/private/qchartglobal_p.h>
45
46QT_BEGIN_NAMESPACE
47class QGraphicsDropShadowEffect;
48QT_END_NAMESPACE
49
50QT_CHARTS_BEGIN_NAMESPACE
51
52class Q_CHARTS_PRIVATE_EXPORT ChartBackground: public QGraphicsRectItem
53{
54public:
55 ChartBackground(QGraphicsItem *parent = 0);
56 ~ChartBackground();
57
58 void setDiameter(qreal diameter);
59 qreal diameter() const;
60 void setDropShadowEnabled(bool enabled);
61 bool isDropShadowEnabled() { return m_dropShadow != 0; }
62
63protected:
64 void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
65
66private:
67 qreal m_diameter;
68 QGraphicsDropShadowEffect *m_dropShadow;
69};
70
71QT_CHARTS_END_NAMESPACE
72
73#endif /* CHARTBACKGROUND_H */
74
75
76

source code of qtcharts/src/charts/chartbackground_p.h