include/opencascade/Vrml_PerspectiveCamera.hxx

0001 // Created on: 1997-02-12
0002 // Created by: Alexander BRIVIN
0003 // Copyright (c) 1997-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _Vrml_PerspectiveCamera_HeaderFile
0018 #define _Vrml_PerspectiveCamera_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <gp_Vec.hxx>
0025 #include <Vrml_SFRotation.hxx>
0026 #include <Standard_OStream.hxx>
0027
0028
0029 //! specifies a PerspectiveCamera node of VRML specifying properties of cameras.
0030 //! A perspective camera defines a perspective projection from a viewpoint. The viewing
0031 //! volume for a perspective camera is a truncated right pyramid.
0032 class Vrml_PerspectiveCamera
0033 {
0034 public:
0035
0036   DEFINE_STANDARD_ALLOC
0037
0038
0039   Standard_EXPORT Vrml_PerspectiveCamera();
0040
0041   Standard_EXPORT Vrml_PerspectiveCamera(const gp_Vec& aPosition, const Vrml_SFRotation& aOrientation, const Standard_Real aFocalDistance, const Standard_Real aHeightAngle);
0042
0043   Standard_EXPORT void SetPosition (const gp_Vec& aPosition);
0044
0045   Standard_EXPORT gp_Vec Position() const;
0046
0047   Standard_EXPORT void SetOrientation (const Vrml_SFRotation& aOrientation);
0048
0049   Standard_EXPORT Vrml_SFRotation Orientation() const;
0050
0051   Standard_EXPORT void SetFocalDistance (const Standard_Real aFocalDistance);
0052
0053   Standard_EXPORT Standard_Real FocalDistance() const;
0054
0055   Standard_EXPORT void SetAngle (const Standard_Real aHeightAngle);
0056
0057   Standard_EXPORT Standard_Real Angle() const;
0058
0059   Standard_EXPORT Standard_OStream& Print (Standard_OStream& anOStream) const;
0060
0061
0062
0063
0064 protected:
0065
0066
0067
0068
0069
0070 private:
0071
0072
0073
0074   gp_Vec myPosition;
0075   Vrml_SFRotation myOrientation;
0076   Standard_Real myFocalDistance;
0077   Standard_Real myHeightAngle;
0078
0079
0080 };
0081
0082
0083
0084
0085
0086
0087
0088 #endif // _Vrml_PerspectiveCamera_HeaderFile