QGIS API Documentation  3.4.3-Madeira (2f64a3c)
Bezier3D.h
Go to the documentation of this file.
1 /***************************************************************************
2  Bezier3D.h - description
3  -------------------
4  copyright : (C) 2004 by Marco Hugentobler
5  email : [email protected]
6  ***************************************************************************/
7 
8 /***************************************************************************
9  * *
10  * This program is free software; you can redistribute it and/or modify *
11  * it under the terms of the GNU General Public License as published by *
12  * the Free Software Foundation; either version 2 of the License, or *
13  * (at your option) any later version. *
14  * *
15  ***************************************************************************/
16 
17 #ifndef BEZIER3D_H
18 #define BEZIER3D_H
19 
20 #include "ParametricLine.h"
21 #include "qgslogger.h"
22 #include "qgis_analysis.h"
23 
24 #define SIP_NO_FILE
25 
31 class ANALYSIS_EXPORT Bezier3D: public ParametricLine
32 {
33  protected:
34 
35  public:
37  Bezier3D() = default;
39  Bezier3D( ParametricLine *par, QVector<QgsPoint *> *controlpoly );
40 
42  void add( ParametricLine *pl SIP_TRANSFER ) override;
44  void calcFirstDer( float t, Vector3D *v SIP_OUT ) override;
46  void calcSecDer( float t, Vector3D *v SIP_OUT ) override;
47  //virtual QgsPoint calcPoint(float t);
49  void calcPoint( float t, QgsPoint *p SIP_OUT ) override;
51  void changeDirection() override;
52  //virtual void draw(QPainter* p);
53  //virtual bool intersects(ParametricLine* pal);
55  void remove( int i ) override;
57  const QgsPoint *getControlPoint( int number ) const override;
59  const QVector<QgsPoint *> *getControlPoly() const override;
61  int getDegree() const override;
63  ParametricLine *getParent() const override;
65  void setParent( ParametricLine *par ) override;
67  void setControlPoly( QVector<QgsPoint *> *cp ) override;
68 
69 };
70 
71 #ifndef SIP_RUN
72 
73 //-----------------------------------------------constructors, destructor and assignment operator------------------------------
74 
75 inline Bezier3D::Bezier3D( ParametricLine *parent, QVector<QgsPoint *> *controlpoly ) : ParametricLine( parent, controlpoly )
76 {
77  mDegree = mControlPoly->count() - 1;
78 }
79 
80 //----------------------------------------------invalid methods add and remove (because of inheritance from ParametricLine)
81 
82 inline void Bezier3D::add( ParametricLine *pl )
83 {
84  Q_UNUSED( pl );
85  QgsDebugMsg( QStringLiteral( "Error!!!!! A Bezier-curve can not be parent of a ParametricLine." ) );
86 }
87 
88 inline void Bezier3D::remove( int i )
89 {
90  Q_UNUSED( i );
91  QgsDebugMsg( QStringLiteral( "Error!!!!! A Bezier-curve has no children to remove." ) );
92 }
93 
94 //-----------------------------------------------setters and getters---------------------------------------------------------------
95 
96 inline const QgsPoint *Bezier3D::getControlPoint( int number ) const
97 {
98  return ( *mControlPoly )[number - 1];
99 }
100 
101 inline const QVector<QgsPoint *> *Bezier3D::getControlPoly() const
102 {
103  return mControlPoly;
104 }
105 
106 inline int Bezier3D::getDegree() const
107 {
108  return mDegree;
109 }
110 
112 {
113  return mParent;
114 }
115 
117 {
118  mParent = par;
119 }
120 
121 inline void Bezier3D::setControlPoly( QVector<QgsPoint *> *cp )
122 {
123  mControlPoly = cp;
124  mDegree = mControlPoly->count() - 1;
125 }
126 
127 #endif
128 
129 #endif
130 
virtual ParametricLine * getParent() const =0
void setParent(ParametricLine *par) override
Sets the parent.
Definition: Bezier3D.h:116
QVector< QgsPoint * > * mControlPoly
MControlPoly stores the points of the control polygon.
void add(ParametricLine *pl) override
Do not use this method, since a Bezier curve does not consist of other curves.
Definition: Bezier3D.h:82
#define QgsDebugMsg(str)
Definition: qgslogger.h:38
Class Bezier3D represents a bezier curve, represented by control points.
Definition: Bezier3D.h:31
virtual void calcFirstDer(float t, Vector3D *v)=0
virtual void calcSecDer(float t, Vector3D *v)=0
const QgsPoint * getControlPoint(int number) const override
Returns a control point.
Definition: Bezier3D.h:96
virtual void calcPoint(float t, QgsPoint *p)=0
virtual void setParent(ParametricLine *paral)=0
Class Vector3D represents a 3D-Vector, capable to store x-,y- and z-coordinates in double values...
Definition: Vector3D.h:33
virtual void changeDirection()=0
int getDegree() const override
Returns the degree of the curve.
Definition: Bezier3D.h:106
int mDegree
Degree of the parametric Line.
ParametricLine * getParent() const override
Returns the parent.
Definition: Bezier3D.h:111
void setControlPoly(QVector< QgsPoint *> *cp) override
Sets the control polygon.
Definition: Bezier3D.h:121
virtual void add(ParametricLine *pl)=0
ParametricLine * mParent
Pointer to the parent object. If there isn&#39;t one, mParent is 0.
#define SIP_TRANSFER
Definition: qgis_sip.h:36
virtual int getDegree() const =0
ParametricLine is an Interface for parametric lines.
virtual const QVector< QgsPoint * > * getControlPoly() const =0
Point geometry type, with support for z-dimension and m-values.
Definition: qgspoint.h:37
virtual const QgsPoint * getControlPoint(int number) const =0
const QVector< QgsPoint * > * getControlPoly() const override
Returns a pointer to the control polygon.
Definition: Bezier3D.h:101
Bezier3D()=default
Default constructor.
void remove(int i) override
Do not use this method, since a Bezier curve does not consist of other curves.
Definition: Bezier3D.h:88
#define SIP_OUT
Definition: qgis_sip.h:51
virtual void setControlPoly(QVector< QgsPoint *> *cp)=0