1 // Created on: 1997-02-12
2 // Created by: Alexander BRIVIN
3 // Copyright (c) 1997-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
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.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _Vrml_PerspectiveCamera_HeaderFile
18 #define _Vrml_PerspectiveCamera_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
25 #include <Vrml_SFRotation.hxx>
26 #include <Standard_Real.hxx>
27 #include <Standard_OStream.hxx>
30 //! specifies a PerspectiveCamera node of VRML specifying properties of cameras.
31 //! A perspective camera defines a perspective projection from a viewpoint. The viewing
32 //! volume for a perspective camera is a truncated right pyramid.
33 class Vrml_PerspectiveCamera
40 Standard_EXPORT Vrml_PerspectiveCamera();
42 Standard_EXPORT Vrml_PerspectiveCamera(const gp_Vec& aPosition, const Vrml_SFRotation& aOrientation, const Standard_Real aFocalDistance, const Standard_Real aHeightAngle);
44 Standard_EXPORT void SetPosition (const gp_Vec& aPosition);
46 Standard_EXPORT gp_Vec Position() const;
48 Standard_EXPORT void SetOrientation (const Vrml_SFRotation& aOrientation);
50 Standard_EXPORT Vrml_SFRotation Orientation() const;
52 Standard_EXPORT void SetFocalDistance (const Standard_Real aFocalDistance);
54 Standard_EXPORT Standard_Real FocalDistance() const;
56 Standard_EXPORT void SetAngle (const Standard_Real aHeightAngle);
58 Standard_EXPORT Standard_Real Angle() const;
60 Standard_EXPORT Standard_OStream& Print (Standard_OStream& anOStream) const;
76 Vrml_SFRotation myOrientation;
77 Standard_Real myFocalDistance;
78 Standard_Real myHeightAngle;
89 #endif // _Vrml_PerspectiveCamera_HeaderFile