source: src/Shapes/Shape_impl.hpp@ 471dec

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Last change on this file since 471dec was b94634, checked in by Frederik Heber <heber@…>, 15 years ago

Removed NotOnSurfaceException and ShapeException from Exceptions.
  • Property mode set to 100644
File size: 3.9 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 "LinearAlgebra/Line.hpp"
22#include "LinearAlgebra/LineSegment.hpp"
23#include "LinearAlgebra/LineSegmentSet.hpp"
24#include "LinearAlgebra/Vector.hpp"
25
26
27class Shape_impl {
28public:
29 Shape_impl(){};
30 virtual ~Shape_impl(){};
31 virtual bool isInside(const Vector &point)=0;
32 virtual bool isOnSurface(const Vector &point)=0;
33 virtual Vector getNormal(const Vector &point) throw(NotOnSurfaceException)=0;
34 virtual LineSegmentSet getLineIntersections(const Line&)=0;
35 virtual std::string toString()=0;
36 virtual std::vector<Vector> getHomogeneousPointsOnSurface(const size_t N) const=0;
37};
38
39class Everywhere_impl : public Shape_impl {
40public:
41 virtual bool isInside(const Vector &point){
42 return true;
43 }
44 virtual bool isOnSurface(const Vector &point){
45 return false;
46 }
47 virtual Vector getNormal(const Vector &point) throw(NotOnSurfaceException){
48 throw NotOnSurfaceException() << ShapeVector(&point);
49 }
50 virtual LineSegmentSet getLineIntersections(const Line &line){
51 LineSegmentSet res(line);
52 res.insert(LineSegment(line.negEndpoint(),line.posEndpoint()));
53 return res;
54 }
55 virtual std::string toString(){
56 return "Everywhere()";
57 }
58 virtual std::vector<Vector> getHomogeneousPointsOnSurface(const size_t N) const {
59 std::vector<Vector> PointsOnSurface;
60 return PointsOnSurface;
61 }
62};
63
64class Nowhere_impl : public Shape_impl {
65 virtual bool isInside(const Vector &point){
66 return false;
67 }
68 virtual bool isOnSurface(const Vector &point){
69 return false;
70 }
71 virtual Vector getNormal(const Vector &point) throw(NotOnSurfaceException){
72 throw NotOnSurfaceException() << ShapeVector(&point);
73 }
74 virtual LineSegmentSet getLineIntersections(const Line &line){
75 return LineSegmentSet(line);
76 }
77 virtual std::string toString(){
78 return "Nowhere()";
79 }
80 virtual std::vector<Vector> getHomogeneousPointsOnSurface(const size_t N) const {
81 std::vector<Vector> PointsOnSurface;
82 return PointsOnSurface;
83 }
84};
85
86class AndShape_impl : public Shape_impl {
87public:
88 AndShape_impl(const Shape::impl_ptr&, const Shape::impl_ptr&);
89 virtual ~AndShape_impl();
90 virtual bool isInside(const Vector &point);
91 virtual bool isOnSurface(const Vector &point);
92 virtual Vector getNormal(const Vector &point) throw(NotOnSurfaceException);
93 virtual LineSegmentSet getLineIntersections(const Line&);
94 virtual std::string toString();
95 virtual std::vector<Vector> getHomogeneousPointsOnSurface(const size_t N) const;
96private:
97 Shape::impl_ptr lhs;
98 Shape::impl_ptr rhs;
99};
100
101class OrShape_impl : public Shape_impl {
102public:
103 OrShape_impl(const Shape::impl_ptr&, const Shape::impl_ptr&);
104 virtual ~OrShape_impl();
105 virtual bool isInside(const Vector &point);
106 virtual bool isOnSurface(const Vector &point);
107 virtual Vector getNormal(const Vector &point) throw(NotOnSurfaceException);
108 virtual LineSegmentSet getLineIntersections(const Line&);
109 virtual std::string toString();
110 virtual std::vector<Vector> getHomogeneousPointsOnSurface(const size_t N) const;
111private:
112 Shape::impl_ptr lhs;
113 Shape::impl_ptr rhs;
114};
115
116class NotShape_impl : public Shape_impl {
117public:
118 NotShape_impl(const Shape::impl_ptr&);
119 virtual ~NotShape_impl();
120 virtual bool isInside(const Vector &point);
121 virtual bool isOnSurface(const Vector &point);
122 virtual Vector getNormal(const Vector &point) throw(NotOnSurfaceException);
123 virtual LineSegmentSet getLineIntersections(const Line&);
124 virtual std::string toString();
125 virtual std::vector<Vector> getHomogeneousPointsOnSurface(const size_t N) const;
126private:
127 Shape::impl_ptr arg;
128};
129
130Shape::impl_ptr getShapeImpl(const Shape&);
131
132#endif /* SHAPE_IMPL_HPP_ */
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