1 // Created on: 1993-03-19 2 // Created by: Jean-Louis FRENKEL 3 // Copyright (c) 1993-1999 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 _Prs3d_Projector_HeaderFile 18 #define _Prs3d_Projector_HeaderFile 19 20 #include <Standard.hxx> 21 #include <Standard_Type.hxx> 22 23 #include <HLRAlgo_Projector.hxx> 24 #include <Standard_Transient.hxx> 25 #include <Standard_Boolean.hxx> 26 27 class Prs3d_Projector; 28 DEFINE_STANDARD_HANDLE(Prs3d_Projector, Standard_Transient) 29 30 //! A projector object. 31 //! This object defines the parameters of a view for a 32 //! visualization algorithm. It is, for example, used by the 33 //! hidden line removal algorithms. 34 class Prs3d_Projector : public Standard_Transient 35 { 36 37 public: 38 39 40 Standard_EXPORT Prs3d_Projector(const HLRAlgo_Projector& Pr); 41 42 //! Constructs a projector framework from the following parameters 43 //! - Pers is true if the view is a perspective view and 44 //! false if it is an axonometric one; 45 //! - Focus is the focal length if a perspective view is defined; 46 //! - DX, DY and DZ are the coordinates of the 47 //! projection vector; 48 //! - XAt, YAt and ZAt are the coordinates of the view point; 49 //! - XUp, YUp and ZUp are the coordinates of the 50 //! vertical direction vector. 51 Standard_EXPORT Prs3d_Projector(const Standard_Boolean Pers, const Standard_Real Focus, const Standard_Real DX, const Standard_Real DY, const Standard_Real DZ, const Standard_Real XAt, const Standard_Real YAt, const Standard_Real ZAt, const Standard_Real XUp, const Standard_Real YUp, const Standard_Real ZUp); 52 53 //! Returns a projector object for use in a hidden line removal algorithm. 54 Standard_EXPORT HLRAlgo_Projector Projector() const; 55 56 DEFINE_STANDARD_RTTIEXT(Prs3d_Projector,Standard_Transient) 57 58 private: 59 60 HLRAlgo_Projector MyProjector; 61 62 }; 63 64 #endif // _Prs3d_Projector_HeaderFile 65