LineSegment2D.h
Go to the documentation of this file.
00001 /***************************************************************************** 00002 * Copyright (C) 2011 by Benjamin Hadorn (b_hadorn@bluewin.ch) 00003 ***************************************************************************** 00004 * Project : Zeus Math Library 00005 * Module : LineSegment2D 00006 * Package : Zeus.ZeusMath.Geometry 00007 * Author : Martin Abbuehl 00008 * Date : 27.12.2011 00009 * System : Zeus-Framework 00010 ***************************************************************************** 00011 * Licence: * 00012 * This library is free software; you can redistribute it and/or modify * 00013 * it under the terms of the GNU Lesser General Public License as * 00014 * published by the Free Software Foundation; either version * 00015 * 2.1 of the License, or (at your option) any later version. * 00016 * * 00017 * This library is distributed in the hope that it will be useful, * 00018 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00019 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00020 * GNU Lesser General Public License for more details. * 00021 * * 00022 * You should have received a copy of the GNU Lesser General Public * 00023 * License along with this library; if not, write to the Free Software * 00024 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA * 00025 *****************************************************************************/ 00026 00027 /***************************************************************************** 00028 * Changes: 00029 * 27.12.2011 bha: created zeus 2.0 00030 *****************************************************************************/ 00031 00032 #ifndef LineSegment2DH 00033 #define LineSegment2DH 00034 00035 #include <zeusmath/Geometry/Interfaces/ILineSegment2D.hpp> 00036 #include <zeusmath/Geometry/StraightLine2D.h> 00037 00038 00039 BEGIN_NAMESPACE_Zeus 00040 00041 00042 /******************************************************************************/ 00045 /******************************************************************************/ 00046 zeusmath_class TLineSegment2D : public ILineSegment2D 00047 { 00048 public: 00050 TLineSegment2D(bool bIncludeStartPoint = true, bool bIncludeEndPoint = true); 00051 00053 TLineSegment2D(const IVector2D& rVecStartPoint, const IVector2D& rVecEndPoint, 00054 bool bIncludeStartPoint = true, bool bIncludeEndPoint = true); 00055 00057 inline TLineSegment2D(const TLineSegment2D& rLineSegment) { *this = rLineSegment; } 00058 00060 inline TLineSegment2D(const ILineSegment2D& rLineSegment) { *this = rLineSegment; } 00061 00063 virtual inline ~TLineSegment2D() { } 00064 00065 /******************************************************************************/ 00067 /******************************************************************************/ 00068 virtual inline IStraightLine2D& MQUALIFIER getStraightLine() { return m_StraightLine; } 00069 virtual inline const IStraightLine2D& MQUALIFIER getStraightLineConst() const { return m_StraightLine; } 00070 00071 virtual inline void MQUALIFIER getStartPoint(IVector2D& rVecStart) const { getStraightLineConst().calcPointFromParameter(0, rVecStart); } 00072 virtual inline void MQUALIFIER getEndPoint (IVector2D& rVecEnd) const { getStraightLineConst().calcPointFromParameter(1, rVecEnd); } 00073 virtual void MQUALIFIER setStartPoint(const IVector2D& rVecStart); 00074 virtual void MQUALIFIER setEndPoint (const IVector2D& rVecEnd); 00075 00076 virtual inline bool MQUALIFIER isStartPointIncluded() const { return m_bIncludeStartPoint; } 00077 virtual inline void MQUALIFIER setStartPointIncluded(bool bInclude) { m_bIncludeStartPoint = bInclude; } 00078 virtual inline bool MQUALIFIER isEndPointIncluded() const { return m_bIncludeEndPoint; } 00079 virtual inline void MQUALIFIER setEndPointIncluded(bool bInclude) { m_bIncludeEndPoint = bInclude; } 00080 00081 virtual Float MQUALIFIER getLength() const; 00082 00083 virtual inline void MQUALIFIER assign(const ILineSegment2D& rLineSegment) { * this = rLineSegment; } 00084 00085 virtual inline bool MQUALIFIER isValid() const { return getStraightLineConst().isValid(); } 00086 virtual bool MQUALIFIER isEqual (const ILineSegment2D& rLineSegment, bool bCheckBorderPointIncludedFlags = true) const; 00087 virtual inline bool MQUALIFIER isParallel(const ILineSegment2D& rLineSegment) const { return *this || rLineSegment; } 00088 00089 /******************************************************************************/ 00091 /******************************************************************************/ 00092 virtual inline const InterfaceID& MQUALIFIER getInterfaceID() const { return m_InterfaceID; } 00093 00094 virtual Retval MQUALIFIER intersect(const IGeometricObject2D& rObject, 00095 IList<IVector2D>& rLstIntersectionPoints, 00096 const Float& rfTangentTolerance = INTERSECT_TANGENT_TOLERANCE) const; 00097 00098 virtual bool MQUALIFIER containsPoint(const IVector2D& rVecPoint) const; 00099 00100 virtual void MQUALIFIER calcClosestPointToPoint(const IVector2D& rVecPoint, 00101 IVector2D& rVecClosestPoint) const; 00102 00103 virtual Float MQUALIFIER calcDistanceToPoint(const IVector2D& rVecPoint) const; 00104 virtual Float MQUALIFIER calcDistanceToObject(const IGeometricObject2D& rObject) const; 00105 00106 virtual Retval MQUALIFIER getXMinPoint(IVector2D& rVecPoint) const; 00107 virtual Retval MQUALIFIER getXMaxPoint(IVector2D& rVecPoint) const; 00108 virtual Retval MQUALIFIER getYMinPoint(IVector2D& rVecPoint) const; 00109 virtual Retval MQUALIFIER getYMaxPoint(IVector2D& rVecPoint) const; 00110 00111 virtual void MQUALIFIER getMinMaxCoordinates(Float& rfXMin, Float& rfXMax, 00112 Float& rfYMin, Float& rfYMax) const; 00113 00114 /******************************************************************************/ 00116 /******************************************************************************/ 00118 const TLineSegment2D& operator=(const ILineSegment2D& rLineSegment); 00119 00121 const TLineSegment2D& operator=(const TLineSegment2D& rLineSegment); 00122 00123 /******************************************************************************/ 00125 /******************************************************************************/ 00127 inline bool operator==(const ILineSegment2D& rLineSegment) const { return isEqual(rLineSegment, true); } 00128 00130 inline bool operator!=(const ILineSegment2D& rLineSegment) const { return !(*this == rLineSegment); } 00131 00133 bool operator||(const ILineSegment2D& rLineSegment) const; 00134 00135 private: 00136 // The underlying, defining straight line. 00137 TStraightLine2D m_StraightLine; 00138 00139 // Flags to include start and end points. 00140 bool m_bIncludeStartPoint; 00141 bool m_bIncludeEndPoint; 00142 00143 // Static members. 00144 static const InterfaceID m_InterfaceID; 00145 }; 00146 00147 00148 END_NAMESPACE_Zeus 00149 00150 #endif 00151