source: src/Shapes/Shape_impl.hpp@ 571d04

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Last change on this file since 571d04 was 735940, checked in by Frederik Heber <heber@…>, 13 years ago

FIX: Made practically all Shape... member functions const.

  • Shape: isInside(), isOnSurface(), getNormal(), getLineIntersections()
  • ShapeOps: translateIn(), translateOut(), translateOutNormal(), isInside().
  • Property mode set to 100644
File size: 4.4 KB
Line 
1/*
2 * Shape_impl.hpp
3 *
4 * Created on: Jun 18, 2010
5 * Author: crueger
6 */
7
8#ifndef SHAPE_IMPL_HPP_
9#define SHAPE_IMPL_HPP_
10
11// include config.h
12#ifdef HAVE_CONFIG_H
13#include <config.h>
14#endif
15
16
17#include <vector>
18
19#include "Shapes/Shape.hpp"
20#include "Shapes/ShapeExceptions.hpp"
21#include "Shapes/ShapeType.hpp"
22#include "LinearAlgebra/Line.hpp"
23#include "LinearAlgebra/LineSegment.hpp"
24#include "LinearAlgebra/LineSegmentSet.hpp"
25#include "LinearAlgebra/Vector.hpp"
26
27
28class Shape_impl {
29public:
30 Shape_impl(){};
31 virtual ~Shape_impl(){};
32 virtual bool isInside(const Vector &point) const=0;
33 virtual bool isOnSurface(const Vector &point) const=0;
34 virtual Vector getNormal(const Vector &point) const throw(NotOnSurfaceException)=0;
35 virtual LineSegmentSet getLineIntersections(const Line&) const=0;
36 virtual std::string toString() const =0;
37 virtual enum ShapeType getType() const =0;
38 virtual std::vector<Vector> getHomogeneousPointsOnSurface(const size_t N) const=0;
39};
40
41class Everywhere_impl : public Shape_impl {
42public:
43 virtual bool isInside(const Vector &point) const{
44 return true;
45 }
46 virtual bool isOnSurface(const Vector &point) const{
47 return false;
48 }
49 virtual Vector getNormal(const Vector &point) const throw(NotOnSurfaceException){
50 throw NotOnSurfaceException() << ShapeVector(&point);
51 }
52 virtual LineSegmentSet getLineIntersections(const Line &line) const{
53 LineSegmentSet res(line);
54 res.insert(LineSegment(line.negEndpoint(),line.posEndpoint()));
55 return res;
56 }
57 virtual std::string toString() const{
58 return "Everywhere()";
59 }
60 virtual enum ShapeType getType() const {
61 return EverywhereType;
62 }
63 virtual std::vector<Vector> getHomogeneousPointsOnSurface(const size_t N) const {
64 std::vector<Vector> PointsOnSurface;
65 return PointsOnSurface;
66 }
67};
68
69class Nowhere_impl : public Shape_impl {
70 virtual bool isInside(const Vector &point) const{
71 return false;
72 }
73 virtual bool isOnSurface(const Vector &point) const{
74 return false;
75 }
76 virtual Vector getNormal(const Vector &point) const throw(NotOnSurfaceException){
77 throw NotOnSurfaceException() << ShapeVector(&point);
78 }
79 virtual LineSegmentSet getLineIntersections(const Line &line) const{
80 return LineSegmentSet(line);
81 }
82 virtual std::string toString() const{
83 return "Nowhere()";
84 }
85 virtual enum ShapeType getType() const {
86 return NowhereType;
87 }
88 virtual std::vector<Vector> getHomogeneousPointsOnSurface(const size_t N) const {
89 std::vector<Vector> PointsOnSurface;
90 return PointsOnSurface;
91 }
92};
93
94class AndShape_impl : public Shape_impl {
95public:
96 AndShape_impl(const Shape::impl_ptr&, const Shape::impl_ptr&);
97 virtual ~AndShape_impl();
98 virtual bool isInside(const Vector &point) const;
99 virtual bool isOnSurface(const Vector &point) const;
100 virtual Vector getNormal(const Vector &point) const throw(NotOnSurfaceException);
101 virtual LineSegmentSet getLineIntersections(const Line&) const;
102 virtual std::string toString() const;
103 virtual enum ShapeType getType() const;
104 virtual std::vector<Vector> getHomogeneousPointsOnSurface(const size_t N) const;
105private:
106 Shape::impl_ptr lhs;
107 Shape::impl_ptr rhs;
108};
109
110class OrShape_impl : public Shape_impl {
111public:
112 OrShape_impl(const Shape::impl_ptr&, const Shape::impl_ptr&);
113 virtual ~OrShape_impl();
114 virtual bool isInside(const Vector &point) const;
115 virtual bool isOnSurface(const Vector &point) const;
116 virtual Vector getNormal(const Vector &point) const throw(NotOnSurfaceException);
117 virtual LineSegmentSet getLineIntersections(const Line&) const;
118 virtual std::string toString() const;
119 virtual enum ShapeType getType() const;
120 virtual std::vector<Vector> getHomogeneousPointsOnSurface(const size_t N) const;
121private:
122 Shape::impl_ptr lhs;
123 Shape::impl_ptr rhs;
124};
125
126class NotShape_impl : public Shape_impl {
127public:
128 NotShape_impl(const Shape::impl_ptr&);
129 virtual ~NotShape_impl();
130 virtual bool isInside(const Vector &point) const;
131 virtual bool isOnSurface(const Vector &point) const;
132 virtual Vector getNormal(const Vector &point) const throw(NotOnSurfaceException);
133 virtual LineSegmentSet getLineIntersections(const Line&) const;
134 virtual std::string toString() const;
135 virtual enum ShapeType getType() const;
136 virtual std::vector<Vector> getHomogeneousPointsOnSurface(const size_t N) const;
137private:
138 Shape::impl_ptr arg;
139};
140
141Shape::impl_ptr getShapeImpl(const Shape&);
142
143#endif /* SHAPE_IMPL_HPP_ */
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