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/****************************************************************************
**
** 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"
namespace QtDataVisualization {
/*!
* \class QtDataVisualization::QBarDataItem
* \inmodule QtDataVisualization
* \brief The QBarDataItem class provides a container for resolved data to be added to bar graphs.
* \since Qt Data Visualization 1.0
*
* 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(0.0f)
{
}
/*!
* Constructs QBarDataItem with \a value.
*/
QBarDataItem::QBarDataItem(float 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;
}
/*!
* \fn void QBarDataItem::setValue(float value)
* Sets \a value to this data item.
*/
/*!
* \fn float QBarDataItem::value() const
* \return value of this data item.
*/
/*!
* \internal
*/
void QBarDataItem::createExtraData()
{
if (!d_ptr)
d_ptr = new QBarDataItemPrivate;
}
/*!
* \class QtDataVisualization::QBarDataItemPrivate
* \internal
*/
QBarDataItemPrivate::QBarDataItemPrivate()
{
}
QBarDataItemPrivate::~QBarDataItemPrivate()
{
}
}
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