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QML model mapper documentation for pie and xy
QML model mapper documentation for pie and xy

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pieslicedata_p.h
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/****************************************************************************
**
** Copyright (C) 2012 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 Qt Commercial Charts Add-on.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial 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
** $QT_END_LICENSE$
**
****************************************************************************/
// W A R N I N G
// -------------
//
// This file is not part of the QtCommercial Chart API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
#ifndef PIESLICEDATA_P_H
#define PIESLICEDATA_P_H
#include "qchartglobal.h"
#include "qpieslice.h"
#include <QPen>
#include <QBrush>
QTCOMMERCIALCHART_BEGIN_NAMESPACE
template <class T>
class Themed : public T
{
public:
Themed():m_isThemed(true) {}
inline T &operator=(const T &other) { return T::operator =(other); }
inline bool operator!=(const T &other) const { return T::operator !=(other); }
inline bool operator!=(const Themed &other) const
{
if (T::operator !=(other))
return true;
if (m_isThemed != other.m_isThemed)
return true;
return false;
}
inline void setThemed(bool state) { m_isThemed = state; }
inline bool isThemed() const { return m_isThemed; }
private:
bool m_isThemed;
};
class PieSliceData
{
public:
PieSliceData()
{
m_value = 0;
m_isExploded = false;
m_explodeDistanceFactor = 0.15;
m_isLabelVisible = false;
m_labelPosition = QPieSlice::LabelOutside;
m_labelArmLengthFactor = 0.15;
m_percentage = 0;
m_radius = 0;
m_startAngle = 0;
m_angleSpan = 0;
}
bool operator!=(const PieSliceData &other) const
{
if (!qFuzzyIsNull(m_value - other.m_value))
return true;
if (m_slicePen != other.m_slicePen ||
m_sliceBrush != other.m_sliceBrush)
return true;
if (m_isExploded != other.m_isExploded ||
!qFuzzyIsNull(m_explodeDistanceFactor - other.m_explodeDistanceFactor))
return true;
if (m_isLabelVisible != other.m_isLabelVisible ||
m_labelText != other.m_labelText ||
m_labelFont != other.m_labelFont ||
m_labelPosition != other.m_labelPosition ||
!qFuzzyIsNull(m_labelArmLengthFactor - other.m_labelArmLengthFactor) ||
m_labelBrush != other.m_labelBrush)
return true;
if (!qFuzzyIsNull(m_percentage - other.m_percentage) ||
m_center != other.m_center ||
!qFuzzyIsNull(m_radius - other.m_radius) ||
!qFuzzyIsNull(m_startAngle - other.m_startAngle) ||
!qFuzzyIsNull(m_angleSpan - other.m_angleSpan))
return true;
return false;
}
qreal m_value;
Themed<QPen> m_slicePen;
Themed<QBrush> m_sliceBrush;
bool m_isExploded;
qreal m_explodeDistanceFactor;
bool m_isLabelVisible;
QString m_labelText;
Themed<QFont> m_labelFont;
QPieSlice::LabelPosition m_labelPosition;
qreal m_labelArmLengthFactor;
Themed<QBrush> m_labelBrush;
qreal m_percentage;
QPointF m_center;
qreal m_radius;
qreal m_startAngle;
qreal m_angleSpan;
};
QTCOMMERCIALCHART_END_NAMESPACE
#endif // PIESLICEDATA_P_H