qwt_point_3d.h

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/******************************************************************************
 * Qwt Widget Library
 * Copyright (C) 1997   Josef Wilgen
 * Copyright (C) 2002   Uwe Rathmann
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the Qwt License, Version 1.0
 *
 * Modified by ChenZongYan in 2024 <czy.t@163.com>
 *   Summary of major modifications (see ChangeLog.md for full history):
 *   1. CMake build system & C++11 throughout.
 *   2. Core panner/ zoomer refactored:
 *        - QwtPanner → QwtCachePanner (pixmap-cache version)
 *        - New real-time QwtPlotPanner derived from QwtPicker.
 *   3. Zoomer supports multi-axis.
 *   4. Parasite-plot framework:
 *        - QwtFigure, QwtPlotParasiteLayout, QwtPlotTransparentCanvas,
 *        - QwtPlotScaleEventDispatcher, built-in pan/zoom on axis.
 *   5. New picker: QwtPlotSeriesDataPicker (works with date axis).
 *   6. Raster & color-map extensions:
 *        - QwtGridRasterData (2-D table + interpolation)
 *        - QwtLinearColorMap::stopColors(), stopPos() API rename.
 *   7. Bar-chart: expose pen/brush control.
 *   8. Amalgamated build: single QwtPlot.h / QwtPlot.cpp pair in src-amalgamate.
 *****************************************************************************/
 
#ifndef QWT_POINT_3D_H
#define QWT_POINT_3D_H
 
#include "qwt_global.h"
#include <qpoint.h>
#include <qmetatype.h>
 
class QWT_EXPORT QwtPoint3D
{
  public:
    QwtPoint3D();
    QwtPoint3D( double x, double y, double z );
    QwtPoint3D( const QPointF& );
 
    bool isNull()    const;
 
    double x() const;
    double y() const;
    double z() const;
 
    double& rx();
    double& ry();
    double& rz();
 
    void setX( double x );
    void setY( double y );
    void setZ( double y );
 
    QPointF toPoint() const;
 
    bool operator==( const QwtPoint3D& ) const;
    bool operator!=( const QwtPoint3D& ) const;
 
  private:
    double m_x;
    double m_y;
    double m_z;
};
 
Q_DECLARE_TYPEINFO( QwtPoint3D, Q_MOVABLE_TYPE );
Q_DECLARE_METATYPE( QwtPoint3D );
 
#ifndef QT_NO_DEBUG_STREAM
QWT_EXPORT QDebug operator<<( QDebug, const QwtPoint3D& );
#endif
 
inline QwtPoint3D::QwtPoint3D()
    : m_x( 0.0 )
    , m_y( 0.0 )
    , m_z( 0.0 )
{
}
 
inline QwtPoint3D::QwtPoint3D( double x, double y, double z = 0.0 )
    : m_x( x )
    , m_y( y )
    , m_z( z )
{
}
 
inline QwtPoint3D::QwtPoint3D( const QPointF& other )
    : m_x( other.x() )
    , m_y( other.y() )
    , m_z( 0.0 )
{
}
 
inline bool QwtPoint3D::isNull() const
{
    return m_x == 0.0 && m_y == 0.0 && m_z == 0.0;
}
 
inline double QwtPoint3D::x() const
{
    return m_x;
}
 
inline double QwtPoint3D::y() const
{
    return m_y;
}
 
inline double QwtPoint3D::z() const
{
    return m_z;
}
 
inline double& QwtPoint3D::rx()
{
    return m_x;
}
 
inline double& QwtPoint3D::ry()
{
    return m_y;
}
 
inline double& QwtPoint3D::rz()
{
    return m_z;
}
 
inline void QwtPoint3D::setX( double x )
{
    m_x = x;
}
 
inline void QwtPoint3D::setY( double y )
{
    m_y = y;
}
 
inline void QwtPoint3D::setZ( double z )
{
    m_z = z;
}
 
inline QPointF QwtPoint3D::toPoint() const
{
    return QPointF( m_x, m_y );
}
 
inline bool QwtPoint3D::operator==( const QwtPoint3D& other ) const
{
    return ( m_x == other.m_x ) && ( m_y == other.m_y ) && ( m_z == other.m_z );
}
 
inline bool QwtPoint3D::operator!=( const QwtPoint3D& other ) const
{
    return !operator==( other );
}
 
#endif