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1 | // Created on: 1991-02-20 |
| 2 | // Created by: Jacques GOUSSARD |
| 3 | // Copyright (c) 1991-1999 Matra Datavision |
| 4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
| 5 | // |
| 6 | // This file is part of Open CASCADE Technology software library. |
| 7 | // |
| 8 | // This library is free software; you can redistribute it and/or modify it under |
| 9 | // the terms of the GNU Lesser General Public License version 2.1 as published |
| 10 | // by the Free Software Foundation, with special exception defined in the file |
| 11 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
| 12 | // distribution for complete text of the license and disclaimer of any warranty. |
| 13 | // |
| 14 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 15 | // commercial license or contractual agreement. |
| 16 | |
| 17 | #ifndef _IntAna2d_IntPoint_HeaderFile |
| 18 | #define _IntAna2d_IntPoint_HeaderFile |
| 19 | |
| 20 | #include <Standard.hxx> |
| 21 | #include <Standard_DefineAlloc.hxx> |
| 22 | #include <Standard_Handle.hxx> |
| 23 | |
| 24 | #include <Standard_Real.hxx> |
| 25 | #include <gp_Pnt2d.hxx> |
| 26 | #include <Standard_Boolean.hxx> |
| 27 | class Standard_DomainError; |
| 28 | class gp_Pnt2d; |
| 29 | |
| 30 | |
| 31 | //! Geometrical intersection between two 2d elements. |
| 32 | class IntAna2d_IntPoint |
| 33 | { |
| 34 | public: |
| 35 | |
| 36 | DEFINE_STANDARD_ALLOC |
| 37 | |
| 38 | |
| 39 | //! Create an intersection point between 2 parametric 2d lines. |
| 40 | //! X,Y are the coordinate of the point. U1 is the parameter |
| 41 | //! on the first element, U2 the parameter on the second one. |
| 42 | Standard_EXPORT IntAna2d_IntPoint(const Standard_Real X, const Standard_Real Y, const Standard_Real U1, const Standard_Real U2); |
| 43 | |
| 44 | //! Create an intersection point between a parametric 2d line, |
| 45 | //! and a line given by an implicit equation (ImplicitCurve). |
| 46 | //! X,Y are the coordinate of the point. U1 is the parameter |
| 47 | //! on the parametric element. |
| 48 | //! Empty constructor. It's necessary to use one of |
| 49 | //! the SetValue method after this one. |
| 50 | Standard_EXPORT IntAna2d_IntPoint(const Standard_Real X, const Standard_Real Y, const Standard_Real U1); |
| 51 | |
| 52 | Standard_EXPORT IntAna2d_IntPoint(); |
| 53 | |
| 54 | //! Set the values for a "non-implicit" point. |
| 55 | Standard_EXPORT virtual void SetValue (const Standard_Real X, const Standard_Real Y, const Standard_Real U1, const Standard_Real U2); |
| 56 | |
| 57 | //! Set the values for an "implicit" point. |
| 58 | Standard_EXPORT virtual void SetValue (const Standard_Real X, const Standard_Real Y, const Standard_Real U1); |
| 59 | |
| 60 | //! Returns the geometric point. |
| 61 | const gp_Pnt2d& Value() const; |
| 62 | |
| 63 | //! Returns True if the second curve is implicit. |
| 64 | Standard_Boolean SecondIsImplicit() const; |
| 65 | |
| 66 | //! Returns the parameter on the first element. |
| 67 | Standard_Real ParamOnFirst() const; |
| 68 | |
| 69 | //! Returns the parameter on the second element. |
| 70 | //! If the second element is an implicit curve, an exception |
| 71 | //! is raised. |
| 72 | Standard_Real ParamOnSecond() const; |
| 73 | |
| 74 | |
| 75 | |
| 76 | |
| 77 | protected: |
| 78 | |
| 79 | |
| 80 | |
| 81 | |
| 82 | |
| 83 | private: |
| 84 | |
| 85 | |
| 86 | |
| 87 | Standard_Real myu1; |
| 88 | Standard_Real myu2; |
| 89 | gp_Pnt2d myp; |
| 90 | Standard_Boolean myimplicit; |
| 91 | |
| 92 | |
| 93 | }; |
| 94 | |
| 95 | |
| 96 | #include <IntAna2d_IntPoint.lxx> |
| 97 | |
| 98 | |
| 99 | |
| 100 | |
| 101 | |
| 102 | #endif // _IntAna2d_IntPoint_HeaderFile |
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