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/****************************************************************************
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**
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** Copyright (C) 2012 Digia Plc
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** All rights reserved.
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** For any questions to Digia, please use contact form at http://qt.digia.com
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**
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** This file is part of the Qt Commercial Charts Add-on.
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**
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** $QT_BEGIN_LICENSE$
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia.
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**
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.digia.com
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef PIESLICEDATA_P_H
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#define PIESLICEDATA_P_H
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#include "qchartglobal.h"
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#include "qpieslice.h"
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#include <QPen>
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#include <QBrush>
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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template <class T>
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class Themed : public T
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{
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public:
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Themed():m_isThemed(true) {}
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inline T &operator=(const T &other) { return T::operator =(other); }
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inline bool operator!=(const T &other) const { return T::operator !=(other); }
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inline bool operator!=(const Themed &other) const
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{
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if (T::operator !=(other))
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return true;
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if (m_isThemed != other.m_isThemed)
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return true;
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return false;
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}
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inline void setThemed(bool state) { m_isThemed = state; }
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inline bool isThemed() const { return m_isThemed; }
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private:
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bool m_isThemed;
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};
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class PieSliceData
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{
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public:
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PieSliceData()
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{
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m_value = 0;
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m_isExploded = false;
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m_explodeDistanceFactor = 0.15;
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m_isLabelVisible = false;
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m_labelArmLengthFactor = 0.15;
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m_percentage = 0;
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m_radius = 0;
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m_startAngle = 0;
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m_angleSpan = 0;
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}
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bool operator!=(const PieSliceData &other) const
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{
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if (!qFuzzyIsNull(m_value - other.m_value))
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return true;
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if (m_slicePen != other.m_slicePen ||
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m_sliceBrush != other.m_sliceBrush)
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return true;
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if (m_isExploded != other.m_isExploded ||
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!qFuzzyIsNull(m_explodeDistanceFactor - other.m_explodeDistanceFactor))
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return true;
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if (m_isLabelVisible != other.m_isLabelVisible ||
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m_labelText != other.m_labelText ||
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m_labelFont != other.m_labelFont ||
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!qFuzzyIsNull(m_labelArmLengthFactor - other.m_labelArmLengthFactor) ||
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m_labelPen != other.m_labelPen)
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return true;
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if (!qFuzzyIsNull(m_percentage - other.m_percentage) ||
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m_center != other.m_center ||
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!qFuzzyIsNull(m_radius - other.m_radius) ||
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!qFuzzyIsNull(m_startAngle - other.m_startAngle) ||
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!qFuzzyIsNull(m_angleSpan - other.m_angleSpan))
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return true;
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return false;
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}
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static void emitAppearanceChanged(QPieSlice *slice)
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{
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Q_ASSERT(slice);
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emit slice->appearanceChanged();
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}
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static void emitCalculatedDataChanged(QPieSlice *slice)
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{
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Q_ASSERT(slice);
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emit slice->calculatedDataChanged();
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}
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static PieSliceData &fromSlice(QPieSlice *slice)
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{
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Q_ASSERT(slice);
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return *slice->d;
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}
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qreal m_value;
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Themed<QPen> m_slicePen;
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Themed<QBrush> m_sliceBrush;
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bool m_isExploded;
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qreal m_explodeDistanceFactor;
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bool m_isLabelVisible;
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QString m_labelText;
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Themed<QFont> m_labelFont;
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qreal m_labelArmLengthFactor;
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Themed<QPen> m_labelPen;
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qreal m_percentage;
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QPointF m_center;
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qreal m_radius;
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qreal m_startAngle;
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qreal m_angleSpan;
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};
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QTCOMMERCIALCHART_END_NAMESPACE
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#endif // PIESLICEDATA_P_H
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