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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