QGIS API Documentation 3.99.0-Master (7d2ca374f2d)
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Bezier3D.h
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1/***************************************************************************
2 Bezier3D.h - description
3 -------------------
4 copyright : (C) 2004 by Marco Hugentobler
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 "qgis_analysis.h"
22#include "qgslogger.h"
23
24#include <QString>
25
26#define SIP_NO_FILE
27
28using namespace Qt::StringLiterals;
29
30
38class ANALYSIS_EXPORT Bezier3D : public ParametricLine
39{
40 protected:
41 public:
42 Bezier3D() = default;
44 Bezier3D( ParametricLine *par, QVector<QgsPoint *> *controlpoly );
45
47 void add( ParametricLine *pl SIP_TRANSFER ) override;
49 void calcFirstDer( float t, Vector3D *v SIP_OUT ) override;
51 void calcSecDer( float t, Vector3D *v SIP_OUT ) override;
52 //virtual QgsPoint calcPoint(float t);
54 void calcPoint( float t, QgsPoint *p SIP_OUT ) override;
56 void changeDirection() override;
57 //virtual void draw(QPainter* p);
58 //virtual bool intersects(ParametricLine* pal);
60 void remove( int i ) override;
62 const QgsPoint *getControlPoint( int number ) const override;
64 const QVector<QgsPoint *> *getControlPoly() const override;
66 int getDegree() const override;
68 ParametricLine *getParent() const override;
70 void setParent( ParametricLine *par ) override;
72 void setControlPoly( QVector<QgsPoint *> *cp ) override;
73};
74
75#ifndef SIP_RUN
76
77//-----------------------------------------------constructors, destructor and assignment operator------------------------------
78
79inline Bezier3D::Bezier3D( ParametricLine *parent, QVector<QgsPoint *> *controlpoly )
80 : ParametricLine( parent, controlpoly )
81{
82 mDegree = mControlPoly->count() - 1;
83}
84
85//----------------------------------------------invalid methods add and remove (because of inheritance from ParametricLine)
86
87inline void Bezier3D::add( ParametricLine *pl )
88{
89 Q_UNUSED( pl )
90 QgsDebugError( u"Error!!!!! A Bezier-curve can not be parent of a ParametricLine."_s );
91}
92
93inline void Bezier3D::remove( int i )
94{
95 Q_UNUSED( i )
96 QgsDebugError( u"Error!!!!! A Bezier-curve has no children to remove."_s );
97}
98
99//-----------------------------------------------setters and getters---------------------------------------------------------------
100
101inline const QgsPoint *Bezier3D::getControlPoint( int number ) const
102{
103 return ( *mControlPoly )[number - 1];
104}
105
106inline const QVector<QgsPoint *> *Bezier3D::getControlPoly() const
107{
108 return mControlPoly;
109}
110
111inline int Bezier3D::getDegree() const
112{
113 return mDegree;
114}
115
117{
118 return mParent;
119}
120
122{
123 mParent = par;
124}
125
126inline void Bezier3D::setControlPoly( QVector<QgsPoint *> *cp )
127{
128 mControlPoly = cp;
129 mDegree = mControlPoly->count() - 1;
130}
131
132#endif
133
134#endif
void remove(int i) override
Do not use this method, since a Bezier curve does not consist of other curves.
Definition Bezier3D.h:93
void add(ParametricLine *pl) override
Do not use this method, since a Bezier curve does not consist of other curves.
Definition Bezier3D.h:87
const QgsPoint * getControlPoint(int number) const override
Returns a control point.
Definition Bezier3D.h:101
Bezier3D()=default
const QVector< QgsPoint * > * getControlPoly() const override
Returns a pointer to the control polygon.
Definition Bezier3D.h:106
ParametricLine * getParent() const override
Returns the parent.
Definition Bezier3D.h:116
void setParent(ParametricLine *par) override
Sets the parent.
Definition Bezier3D.h:121
int getDegree() const override
Returns the degree of the curve.
Definition Bezier3D.h:111
void setControlPoly(QVector< QgsPoint * > *cp) override
Sets the control polygon.
Definition Bezier3D.h:126
virtual const QVector< QgsPoint * > * getControlPoly() const =0
virtual void setParent(ParametricLine *paral)=0
virtual void remove(int i)=0
int mDegree
Degree of the parametric Line.
virtual void changeDirection()=0
virtual int getDegree() const =0
virtual void calcSecDer(float t, Vector3D *v)=0
virtual void add(ParametricLine *pl)=0
virtual const QgsPoint * getControlPoint(int number) const =0
ParametricLine * mParent
Pointer to the parent object. If there isn't one, mParent is 0.
virtual void calcFirstDer(float t, Vector3D *v)=0
virtual void setControlPoly(QVector< QgsPoint * > *cp)=0
QVector< QgsPoint * > * mControlPoly
MControlPoly stores the points of the control polygon.
virtual ParametricLine * getParent() const =0
virtual void calcPoint(float t, QgsPoint *p)=0
ParametricLine()=default
Point geometry type, with support for z-dimension and m-values.
Definition qgspoint.h:53
Represents a 3D-Vector, capable of storing x, y and z-coordinates in double values.
Definition Vector3D.h:37
#define SIP_TRANSFER
Definition qgis_sip.h:35
#define SIP_OUT
Definition qgis_sip.h:57
#define QgsDebugError(str)
Definition qgslogger.h:59