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
RevLine 
[997784]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
[56f73b]11// include config.h
12#ifdef HAVE_CONFIG_H
13#include <config.h>
14#endif
15
16
[c5186e]17#include <vector>
18
[997784]19#include "Shapes/Shape.hpp"
[b94634]20#include "Shapes/ShapeExceptions.hpp"
[b92e4a]21#include "Shapes/ShapeType.hpp"
[6c438f]22#include "LinearAlgebra/Line.hpp"
23#include "LinearAlgebra/LineSegment.hpp"
24#include "LinearAlgebra/LineSegmentSet.hpp"
25#include "LinearAlgebra/Vector.hpp"
[c6f395]26
[997784]27
28class Shape_impl {
29public:
[e09b70]30 Shape_impl(){};
31 virtual ~Shape_impl(){};
[735940]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;
[b92e4a]36 virtual std::string toString() const =0;
37 virtual enum ShapeType getType() const =0;
[9c1c89]38 virtual std::vector<Vector> getHomogeneousPointsOnSurface(const size_t N) const=0;
[997784]39};
40
41class Everywhere_impl : public Shape_impl {
42public:
[735940]43 virtual bool isInside(const Vector &point) const{
[997784]44 return true;
45 }
[735940]46 virtual bool isOnSurface(const Vector &point) const{
[5de9da]47 return false;
48 }
[735940]49 virtual Vector getNormal(const Vector &point) const throw(NotOnSurfaceException){
[b94634]50 throw NotOnSurfaceException() << ShapeVector(&point);
[5de9da]51 }
[735940]52 virtual LineSegmentSet getLineIntersections(const Line &line) const{
[c6f395]53 LineSegmentSet res(line);
54 res.insert(LineSegment(line.negEndpoint(),line.posEndpoint()));
55 return res;
56 }
[b92e4a]57 virtual std::string toString() const{
[cfda65]58 return "Everywhere()";
59 }
[b92e4a]60 virtual enum ShapeType getType() const {
61 return EverywhereType;
62 }
[9c1c89]63 virtual std::vector<Vector> getHomogeneousPointsOnSurface(const size_t N) const {
[c5186e]64 std::vector<Vector> PointsOnSurface;
65 return PointsOnSurface;
66 }
[997784]67};
68
69class Nowhere_impl : public Shape_impl {
[735940]70 virtual bool isInside(const Vector &point) const{
[997784]71 return false;
72 }
[735940]73 virtual bool isOnSurface(const Vector &point) const{
[5de9da]74 return false;
75 }
[735940]76 virtual Vector getNormal(const Vector &point) const throw(NotOnSurfaceException){
[b94634]77 throw NotOnSurfaceException() << ShapeVector(&point);
[5de9da]78 }
[735940]79 virtual LineSegmentSet getLineIntersections(const Line &line) const{
[c6f395]80 return LineSegmentSet(line);
81 }
[b92e4a]82 virtual std::string toString() const{
[cfda65]83 return "Nowhere()";
84 }
[b92e4a]85 virtual enum ShapeType getType() const {
86 return NowhereType;
87 }
[9c1c89]88 virtual std::vector<Vector> getHomogeneousPointsOnSurface(const size_t N) const {
[c5186e]89 std::vector<Vector> PointsOnSurface;
90 return PointsOnSurface;
91 }
[997784]92};
93
94class AndShape_impl : public Shape_impl {
95public:
96 AndShape_impl(const Shape::impl_ptr&, const Shape::impl_ptr&);
97 virtual ~AndShape_impl();
[735940]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;
[b92e4a]102 virtual std::string toString() const;
103 virtual enum ShapeType getType() const;
[9c1c89]104 virtual std::vector<Vector> getHomogeneousPointsOnSurface(const size_t N) const;
[997784]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();
[735940]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;
[b92e4a]118 virtual std::string toString() const;
119 virtual enum ShapeType getType() const;
[9c1c89]120 virtual std::vector<Vector> getHomogeneousPointsOnSurface(const size_t N) const;
[997784]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();
[735940]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;
[b92e4a]134 virtual std::string toString() const;
135 virtual enum ShapeType getType() const;
[9c1c89]136 virtual std::vector<Vector> getHomogeneousPointsOnSurface(const size_t N) const;
[997784]137private:
138 Shape::impl_ptr arg;
139};
140
[e09b70]141Shape::impl_ptr getShapeImpl(const Shape&);
142
[997784]143#endif /* SHAPE_IMPL_HPP_ */
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