blob: 01bcfd1c5db570a50d6a62e0167e00d8adda8e8a (
plain)
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
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
/****************************************************************************
**
** Copyright (C) 2013 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 QtDataVisualization module.
**
** 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
**
****************************************************************************/
#include "qbardataitem_p.h"
QT_DATAVISUALIZATION_BEGIN_NAMESPACE
/*!
* \class QBarDataItem
* \inmodule QtDataVisualization
* \brief The QBarDataItem class provides a container for resolved data to be added to bar graphs.
* \since 1.0.0
*
* A QBarDataItem holds data for a single rendered bar in a graph.
* Bar data proxies parse data into QBarDataItem instances for visualizing.
*
* \sa QBarDataProxy, {Qt Data Visualization C++ Classes}
*/
/*!
* Constructs QBarDataItem.
*/
QBarDataItem::QBarDataItem()
: d_ptr(0), // private data doesn't exist by default (optimization)
m_value(0.0)
{
}
/*!
* Constructs QBarDataItem with \a value.
*/
QBarDataItem::QBarDataItem(qreal value)
: d_ptr(0),
m_value(value)
{
}
/*!
* Constructs a copy of \a other.
*/
QBarDataItem::QBarDataItem(const QBarDataItem &other)
{
operator=(other);
}
/*!
* Destroys QBarDataItem.
*/
QBarDataItem::~QBarDataItem()
{
delete d_ptr;
}
/*!
* Assigns a copy of \a other to this object.
*/
QBarDataItem &QBarDataItem::operator=(const QBarDataItem &other)
{
m_value = other.m_value;
if (other.d_ptr)
createExtraData();
else
d_ptr = 0;
// TODO set extra data
return *this;
}
/*!
* Sets \a value to this data item.
*/
void QBarDataItem::setValue(qreal value)
{
m_value = value;
}
/*!
* \return value of this data item.
*/
qreal QBarDataItem::value() const
{
return m_value;
}
/*!
* \internal
*/
void QBarDataItem::createExtraData()
{
if (!d_ptr)
d_ptr = new QBarDataItemPrivate;
}
QBarDataItemPrivate::QBarDataItemPrivate()
{
}
QBarDataItemPrivate::~QBarDataItemPrivate()
{
}
QT_DATAVISUALIZATION_END_NAMESPACE
|
