Qwt User's Guide  6.1.3
qwt_point_3d.h
1 /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
2  * Qwt Widget Library
3  * Copyright (C) 1997 Josef Wilgen
4  * Copyright (C) 2002 Uwe Rathmann
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the Qwt License, Version 1.0
8  *****************************************************************************/
9 
11 #ifndef QWT_POINT_3D_H
12 #define QWT_POINT_3D_H 1
13 
14 #include "qwt_global.h"
15 #include <qpoint.h>
16 #ifndef QT_NO_DEBUG_STREAM
17 #include <qdebug.h>
18 #endif
19 
24 class QWT_EXPORT QwtPoint3D
25 {
26 public:
27  QwtPoint3D();
28  QwtPoint3D( double x, double y, double z );
29  QwtPoint3D( const QwtPoint3D & );
30  QwtPoint3D( const QPointF & );
31 
32  bool isNull() const;
33 
34  double x() const;
35  double y() const;
36  double z() const;
37 
38  double &rx();
39  double &ry();
40  double &rz();
41 
42  void setX( double x );
43  void setY( double y );
44  void setZ( double y );
45 
46  QPointF toPoint() const;
47 
48  bool operator==( const QwtPoint3D & ) const;
49  bool operator!=( const QwtPoint3D & ) const;
50 
51 private:
52  double d_x;
53  double d_y;
54  double d_z;
55 };
56 
57 Q_DECLARE_TYPEINFO(QwtPoint3D, Q_MOVABLE_TYPE);
58 
59 #ifndef QT_NO_DEBUG_STREAM
60 QWT_EXPORT QDebug operator<<( QDebug, const QwtPoint3D & );
61 #endif
62 
68  d_x( 0.0 ),
69  d_y( 0.0 ),
70  d_z( 0.0 )
71 {
72 }
73 
75 inline QwtPoint3D::QwtPoint3D( double x, double y, double z = 0.0 ):
76  d_x( x ),
77  d_y( y ),
78  d_z( z )
79 {
80 }
81 
86 inline QwtPoint3D::QwtPoint3D( const QwtPoint3D &other ):
87  d_x( other.d_x ),
88  d_y( other.d_y ),
89  d_z( other.d_z )
90 {
91 }
92 
97 inline QwtPoint3D::QwtPoint3D( const QPointF &other ):
98  d_x( other.x() ),
99  d_y( other.y() ),
100  d_z( 0.0 )
101 {
102 }
103 
110 inline bool QwtPoint3D::isNull() const
111 {
112  return d_x == 0.0 && d_y == 0.0 && d_z == 0.0;
113 }
114 
116 inline double QwtPoint3D::x() const
117 {
118  return d_x;
119 }
120 
122 inline double QwtPoint3D::y() const
123 {
124  return d_y;
125 }
126 
128 inline double QwtPoint3D::z() const
129 {
130  return d_z;
131 }
132 
134 inline double &QwtPoint3D::rx()
135 {
136  return d_x;
137 }
138 
140 inline double &QwtPoint3D::ry()
141 {
142  return d_y;
143 }
144 
146 inline double &QwtPoint3D::rz()
147 {
148  return d_z;
149 }
150 
152 inline void QwtPoint3D::setX( double x )
153 {
154  d_x = x;
155 }
156 
158 inline void QwtPoint3D::setY( double y )
159 {
160  d_y = y;
161 }
162 
164 inline void QwtPoint3D::setZ( double z )
165 {
166  d_z = z;
167 }
168 
172 inline QPointF QwtPoint3D::toPoint() const
173 {
174  return QPointF( d_x, d_y );
175 }
176 
178 inline bool QwtPoint3D::operator==( const QwtPoint3D &other ) const
179 {
180  return ( d_x == other.d_x ) && ( d_y == other.d_y ) && ( d_z == other.d_z );
181 }
182 
184 inline bool QwtPoint3D::operator!=( const QwtPoint3D &other ) const
185 {
186  return !operator==( other );
187 }
188 
189 #endif
void setY(double y)
Sets the y-coordinate of the point to the value specified by y.
Definition: qwt_point_3d.h:158
double z() const
Definition: qwt_point_3d.h:128
bool isNull() const
Definition: qwt_point_3d.h:110
bool operator!=(const QwtPoint3D &) const
Definition: qwt_point_3d.h:184
void setZ(double y)
Sets the z-coordinate of the point to the value specified by z.
Definition: qwt_point_3d.h:164
QwtPoint3D()
Definition: qwt_point_3d.h:67
void setX(double x)
Sets the x-coordinate of the point to the value specified by x.
Definition: qwt_point_3d.h:152
double y() const
Definition: qwt_point_3d.h:122
QPointF toPoint() const
Definition: qwt_point_3d.h:172
double & rx()
Definition: qwt_point_3d.h:134
double & rz()
Definition: qwt_point_3d.h:146
double & ry()
Definition: qwt_point_3d.h:140
double x() const
Definition: qwt_point_3d.h:116
bool operator==(const QwtPoint3D &) const
Definition: qwt_point_3d.h:178
QwtPoint3D class defines a 3D point in double coordinates.
Definition: qwt_point_3d.h:24