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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include "qbardataitem_p.h"
QT_BEGIN_NAMESPACE
/*!
* \class QBarDataItem
* \inmodule QtDataVisualization
* \brief The QBarDataItem class provides a container for resolved data to be added to bar graphs.
* \since QtDataVisualization 1.0
*
* A bar data item holds the data for a single rendered bar in a graph.
* Bar data proxies parse data into QBarDataItem instances for visualization.
*
* \sa QBarDataProxy, {Qt Data Visualization C++ Classes}
*/
/*!
* Constructs a bar data item.
*/
QBarDataItem::QBarDataItem()
: d_ptr(0), // private data doesn't exist by default (optimization)
m_value(0.0f),
m_angle(0.0f)
{
}
/*!
* Constructs a bar data item with the value \a value.
*/
QBarDataItem::QBarDataItem(float value)
: d_ptr(0),
m_value(value),
m_angle(0.0f)
{
}
/*!
* Constructs a bar data item with the value \a value and angle \a angle.
*/
QBarDataItem::QBarDataItem(float value, float angle)
: d_ptr(0),
m_value(value),
m_angle(angle)
{
}
/*!
* Constructs a copy of \a other.
*/
QBarDataItem::QBarDataItem(const QBarDataItem &other)
{
operator=(other);
}
/*!
* Deletes a bar data item.
*/
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;
m_angle = other.m_angle;
if (other.d_ptr)
createExtraData();
else
d_ptr = 0;
return *this;
}
/*!
* \fn void QBarDataItem::setValue(float val)
* Sets the value \a val to this data item.
*/
/*!
* \fn float QBarDataItem::value() const
* Returns the value of this data item.
*/
/*!
* \fn void QBarDataItem::setRotation(float angle)
* Sets the rotation angle \a angle in degrees for this data item.
*/
/*!
* \fn float QBarDataItem::rotation() const
* Returns the rotation angle in degrees for this data item.
*/
/*!
* \internal
*/
void QBarDataItem::createExtraData()
{
if (!d_ptr)
d_ptr = new QBarDataItemPrivate;
}
QBarDataItemPrivate::QBarDataItemPrivate()
{
}
QBarDataItemPrivate::~QBarDataItemPrivate()
{
}
QT_END_NAMESPACE
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