QGIS API Documentation  2.99.0-Master (25b0421)
Bezier3D.h
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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();
39  Bezier3D( ParametricLine *par, QVector<QgsPoint *> *controlpoly );
40 
41  virtual ~Bezier3D();
43  virtual void add( ParametricLine *pl SIP_TRANSFER ) override;
45  virtual void calcFirstDer( float t, Vector3D *v SIP_OUT ) override;
47  virtual void calcSecDer( float t, Vector3D *v SIP_OUT ) override;
48  //virtual QgsPoint calcPoint(float t);
50  virtual void calcPoint( float t, QgsPoint *p SIP_OUT ) override;
52  virtual void changeDirection() override;
53  //virtual void draw(QPainter* p);
54  //virtual bool intersects(ParametricLine* pal);
56  virtual void remove( int i ) override;
58  virtual const QgsPoint *getControlPoint( int number ) const override;
60  virtual const QVector<QgsPoint *> *getControlPoly() const override;
62  virtual int getDegree() const override;
64  virtual ParametricLine *getParent() const override;
66  virtual void setParent( ParametricLine *par ) override;
68  virtual void setControlPoly( QVector<QgsPoint *> *cp ) override;
69 
70 };
71 
72 #ifndef SIP_RUN
73 
74 //-----------------------------------------------constructors, destructor and assignment operator------------------------------
75 
76 inline Bezier3D::Bezier3D() : ParametricLine()//default constructor
77 {
78 
79 }
80 
81 inline Bezier3D::Bezier3D( ParametricLine *parent, QVector<QgsPoint *> *controlpoly ) : ParametricLine( parent, controlpoly )
82 {
83  mDegree = mControlPoly->count() - 1;
84 }
85 
87 {
88 
89 }
90 
91 //----------------------------------------------invalid methods add and remove (because of inheritance from ParametricLine)
92 
93 inline void Bezier3D::add( ParametricLine *pl )
94 {
95  Q_UNUSED( pl );
96  QgsDebugMsg( "Error!!!!! A Bezier-curve can not be parent of a ParametricLine." );
97 }
98 
99 inline void Bezier3D::remove( int i )
100 {
101  Q_UNUSED( i );
102  QgsDebugMsg( "Error!!!!! A Bezier-curve has no children to remove." );
103 }
104 
105 //-----------------------------------------------setters and getters---------------------------------------------------------------
106 
107 inline const QgsPoint *Bezier3D::getControlPoint( int number ) const
108 {
109  return ( *mControlPoly )[number - 1];
110 }
111 
112 inline const QVector<QgsPoint *> *Bezier3D::getControlPoly() const
113 {
114  return mControlPoly;
115 }
116 
117 inline int Bezier3D::getDegree() const
118 {
119  return mDegree;
120 }
121 
123 {
124  return mParent;
125 }
126 
128 {
129  mParent = par;
130 }
131 
132 inline void Bezier3D::setControlPoly( QVector<QgsPoint *> *cp )
133 {
134  mControlPoly = cp;
135  mDegree = mControlPoly->count() - 1;
136 }
137 
138 #endif
139 
140 #endif
141 
virtual ParametricLine * getParent() const =0
virtual void setParent(ParametricLine *par) override
Sets the parent.
Definition: Bezier3D.h:127
QVector< QgsPoint * > * mControlPoly
MControlPoly stores the points of the control polygon.
virtual void add(ParametricLine *pl) override
Do not use this method, since a Bezier curve does not consist of other curves.
Definition: Bezier3D.h:93
#define QgsDebugMsg(str)
Definition: qgslogger.h:37
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
virtual const QgsPoint * getControlPoint(int number) const override
Returns a control point.
Definition: Bezier3D.h:107
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
virtual int getDegree() const override
Returns the degree of the curve.
Definition: Bezier3D.h:117
int mDegree
Degree of the parametric Line.
virtual ParametricLine * getParent() const override
Returns the parent.
Definition: Bezier3D.h:122
virtual void setControlPoly(QVector< QgsPoint *> *cp) override
Sets the control polygon.
Definition: Bezier3D.h:132
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
virtual ~Bezier3D()
Definition: Bezier3D.h:86
Point geometry type, with support for z-dimension and m-values.
Definition: qgspoint.h:37
virtual const QgsPoint * getControlPoint(int number) const =0
virtual const QVector< QgsPoint * > * getControlPoly() const override
Returns a pointer to the control polygon.
Definition: Bezier3D.h:112
Bezier3D()
Default constructor.
Definition: Bezier3D.h:76
virtual void remove(int i) override
Do not use this method, since a Bezier curve does not consist of other curves.
Definition: Bezier3D.h:99
#define SIP_OUT
Definition: qgis_sip.h:51
virtual void setControlPoly(QVector< QgsPoint *> *cp)=0