1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
/****************************************************************************
**
** Copyright (C) 2014 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.io
**
** This file is part of the Qt Charts module.
**
** Licensees holding valid commercial license for Qt may use this file in
** accordance with the Qt 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.io
**
****************************************************************************/
#include <private/chartbackground_p.h>
#include <private/chartconfig_p.h>
#include <QtGui/QPen>
#include <QtGui/QBrush>
#include <QtGui/QPainter>
#include <QGraphicsDropShadowEffect>
QT_CHARTS_BEGIN_NAMESPACE
ChartBackground::ChartBackground(QGraphicsItem *parent)
: QGraphicsRectItem(parent),
m_diameter(5),
m_dropShadow(0)
{
}
ChartBackground::~ChartBackground()
{
}
void ChartBackground::setDropShadowEnabled(bool enabled)
{
#ifdef QT_NO_GRAPHICSEFFECT
Q_UNUSED(enabled)
#else
if (enabled) {
if (!m_dropShadow) {
m_dropShadow = new QGraphicsDropShadowEffect();
#ifdef Q_OS_MAC
m_dropShadow->setBlurRadius(15);
m_dropShadow->setOffset(0, 0);
#elif defined(Q_OS_WIN)
m_dropShadow->setBlurRadius(10);
m_dropShadow->setOffset(0, 0);
#else
m_dropShadow->setBlurRadius(10);
m_dropShadow->setOffset(5, 5);
#endif
setGraphicsEffect(m_dropShadow);
}
} else {
delete m_dropShadow;
m_dropShadow = 0;
}
#endif
}
void ChartBackground::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
Q_UNUSED(option);
Q_UNUSED(widget);
painter->save();
painter->setPen(pen());
painter->setBrush(brush());
painter->drawRoundedRect(rect(), m_diameter, m_diameter);
painter->restore();
}
qreal ChartBackground::diameter() const
{
return m_diameter;
}
void ChartBackground::setDiameter(qreal diameter)
{
m_diameter = diameter;
update();
}
QT_CHARTS_END_NAMESPACE
|
