1 | /*
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2 | * Shape_impl.hpp
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3 | *
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4 | * Created on: Jun 18, 2010
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5 | * Author: crueger
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6 | */
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7 |
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8 | #ifndef SHAPE_IMPL_HPP_
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9 | #define SHAPE_IMPL_HPP_
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10 |
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11 | #include "Shapes/Shape.hpp"
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12 | #include "vector.hpp"
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13 |
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14 | class Shape_impl {
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15 | public:
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16 | Shape_impl(){};
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17 | virtual ~Shape_impl(){};
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18 | virtual bool isInside(const Vector &point)=0;
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19 | virtual bool isOnSurface(const Vector &point)=0;
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20 | virtual Vector getNormal(const Vector &point) throw(NotOnSurfaceException)=0;
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21 | virtual std::string toString()=0;
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22 | };
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23 |
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24 | class Everywhere_impl : public Shape_impl {
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25 | public:
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26 | virtual bool isInside(const Vector &point){
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27 | return true;
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28 | }
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29 | virtual bool isOnSurface(const Vector &point){
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30 | return false;
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31 | }
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32 | virtual Vector getNormal(const Vector &point) throw(NotOnSurfaceException){
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33 | throw NotOnSurfaceException(__FILE__,__LINE__);
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34 | }
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35 | virtual std::string toString(){
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36 | return "Everywhere()";
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37 | }
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38 | };
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39 |
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40 | class Nowhere_impl : public Shape_impl {
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41 | virtual bool isInside(const Vector &point){
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42 | return false;
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43 | }
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44 | virtual bool isOnSurface(const Vector &point){
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45 | return false;
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46 | }
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47 | virtual Vector getNormal(const Vector &point) throw(NotOnSurfaceException){
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48 | throw NotOnSurfaceException(__FILE__,__LINE__);
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49 | }
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50 | virtual std::string toString(){
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51 | return "Nowhere()";
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52 | }
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53 | };
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54 |
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55 | class AndShape_impl : public Shape_impl {
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56 | public:
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57 | AndShape_impl(const Shape::impl_ptr&, const Shape::impl_ptr&);
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58 | virtual ~AndShape_impl();
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59 | virtual bool isInside(const Vector &point);
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60 | virtual bool isOnSurface(const Vector &point);
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61 | virtual Vector getNormal(const Vector &point) throw(NotOnSurfaceException);
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62 | virtual std::string toString();
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63 | private:
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64 | Shape::impl_ptr lhs;
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65 | Shape::impl_ptr rhs;
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66 | };
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67 |
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68 | class OrShape_impl : public Shape_impl {
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69 | public:
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70 | OrShape_impl(const Shape::impl_ptr&, const Shape::impl_ptr&);
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71 | virtual ~OrShape_impl();
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72 | virtual bool isInside(const Vector &point);
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73 | virtual bool isOnSurface(const Vector &point);
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74 | virtual Vector getNormal(const Vector &point) throw(NotOnSurfaceException);
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75 | virtual std::string toString();
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76 | private:
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77 | Shape::impl_ptr lhs;
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78 | Shape::impl_ptr rhs;
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79 | };
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80 |
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81 | class NotShape_impl : public Shape_impl {
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82 | public:
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83 | NotShape_impl(const Shape::impl_ptr&);
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84 | virtual ~NotShape_impl();
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85 | virtual bool isInside(const Vector &point);
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86 | virtual bool isOnSurface(const Vector &point);
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87 | virtual Vector getNormal(const Vector &point) throw(NotOnSurfaceException);
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88 | virtual std::string toString();
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89 | private:
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90 | Shape::impl_ptr arg;
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91 | };
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92 |
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93 | Shape::impl_ptr getShapeImpl(const Shape&);
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94 |
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95 | #endif /* SHAPE_IMPL_HPP_ */
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