// This file is generated by WOK (CPPExt).
// Please do not edit this file; modify original file instead.
// The copyright and license terms as defined for the original file apply to 
// this header file considered to be the "object code" form of the original source.

#ifndef _IGESDraw_PerspectiveView_HeaderFile
#define _IGESDraw_PerspectiveView_HeaderFile

#ifndef _Standard_HeaderFile
#include <Standard.hxx>
#endif
#ifndef _Standard_DefineHandle_HeaderFile
#include <Standard_DefineHandle.hxx>
#endif
#ifndef _Handle_IGESDraw_PerspectiveView_HeaderFile
#include <Handle_IGESDraw_PerspectiveView.hxx>
#endif

#ifndef _Standard_Integer_HeaderFile
#include <Standard_Integer.hxx>
#endif
#ifndef _Standard_Real_HeaderFile
#include <Standard_Real.hxx>
#endif
#ifndef _gp_XYZ_HeaderFile
#include <gp_XYZ.hxx>
#endif
#ifndef _gp_XY_HeaderFile
#include <gp_XY.hxx>
#endif
#ifndef _IGESData_ViewKindEntity_HeaderFile
#include <IGESData_ViewKindEntity.hxx>
#endif
#ifndef _Standard_Boolean_HeaderFile
#include <Standard_Boolean.hxx>
#endif
#ifndef _Handle_IGESData_ViewKindEntity_HeaderFile
#include <Handle_IGESData_ViewKindEntity.hxx>
#endif
#ifndef _Handle_IGESData_TransfEntity_HeaderFile
#include <Handle_IGESData_TransfEntity.hxx>
#endif
class Standard_OutOfRange;
class gp_XYZ;
class gp_XY;
class IGESData_ViewKindEntity;
class gp_Vec;
class gp_Pnt;
class gp_Pnt2d;
class IGESData_TransfEntity;


//! defines IGESPerspectiveView, Type <410> Form <1> <br>
//!          in package IGESDraw <br>
class IGESDraw_PerspectiveView : public IGESData_ViewKindEntity {

public:

  
  Standard_EXPORT   IGESDraw_PerspectiveView();
  //! This method is used to set the fields of the class <br>
//!           PerspectiveView <br>
//!       - aViewNumber         : The desired view <br>
//!       - aScaleFactor        : Scale factor <br>
//!       - aViewNormalVector   : View plane normal vector (model space) <br>
//!       - aViewReferencePoint : View reference point     (model space) <br>
//!       - aCenterOfProjection : Center Of Projection     (model space) <br>
//!       - aViewUpVector       : View up vector           (model space) <br>
//!       - aViewPlaneDistance  : View plane distance      (model space) <br>
//!       - aTopLeft            : Top-left point of clipping window <br>
//!       - aBottomRight        : Bottom-right point of clipping window <br>
//!       - aDepthClip          : Depth clipping indicator <br>
//!       - aBackPlaneDistance  : Distance of back clipping plane <br>
//!       - aFrontPlaneDistance : Distance of front clipping plane <br>
  Standard_EXPORT     void Init(const Standard_Integer aViewNumber,const Standard_Real aScaleFactor,const gp_XYZ& aViewNormalVector,const gp_XYZ& aViewReferencePoint,const gp_XYZ& aCenterOfProjection,const gp_XYZ& aViewUpVector,const Standard_Real aViewPlaneDistance,const gp_XY& aTopLeft,const gp_XY& aBottomRight,const Standard_Integer aDepthClip,const Standard_Real aBackPlaneDistance,const Standard_Real aFrontPlaneDistance) ;
  //! Returns True (for a single view) <br>
  Standard_EXPORT     Standard_Boolean IsSingle() const;
  //! Returns 1 (single view) <br>
  Standard_EXPORT     Standard_Integer NbViews() const;
  //! For a single view, returns <me> whatever <num> <br>
  Standard_EXPORT     Handle_IGESData_ViewKindEntity ViewItem(const Standard_Integer num) const;
  //! returns the view number associated with <me> <br>
  Standard_EXPORT     Standard_Integer ViewNumber() const;
  //! returns the scale factor associated with <me> <br>
  Standard_EXPORT     Standard_Real ScaleFactor() const;
  //! returns the View plane normal vector (model space) <br>
  Standard_EXPORT     gp_Vec ViewNormalVector() const;
  //! returns the View reference point (model space) <br>
  Standard_EXPORT     gp_Pnt ViewReferencePoint() const;
  //! returns the Center Of Projection (model space) <br>
  Standard_EXPORT     gp_Pnt CenterOfProjection() const;
  //! returns the View up vector (model space) <br>
  Standard_EXPORT     gp_Vec ViewUpVector() const;
  //! returns the View plane distance (model space) <br>
  Standard_EXPORT     Standard_Real ViewPlaneDistance() const;
  //! returns the top left point of the clipping window <br>
  Standard_EXPORT     gp_Pnt2d TopLeft() const;
  //! returns the bottom right point of the clipping window <br>
  Standard_EXPORT     gp_Pnt2d BottomRight() const;
  //! returns the Depth clipping indicator <br>
//!     0 = No depth clipping <br>
//!     1 = Back clipping plane ON <br>
//!     2 = Front clipping plane ON <br>
//!     3 = Back and front clipping planes ON <br>
  Standard_EXPORT     Standard_Integer DepthClip() const;
  //! returns the View coordinate denoting the location of <br>
//! the back clipping plane <br>
  Standard_EXPORT     Standard_Real BackPlaneDistance() const;
  //! returns the View coordinate denoting the location of <br>
//! the front clipping plane <br>
  Standard_EXPORT     Standard_Real FrontPlaneDistance() const;
  //! returns the Transformation Matrix <br>
  Standard_EXPORT     Handle_IGESData_TransfEntity ViewMatrix() const;
  //! returns XYX from the Model space to the View space by <br>
//! applying the View Matrix <br>
  Standard_EXPORT     gp_XYZ ModelToView(const gp_XYZ& coords) const;




  DEFINE_STANDARD_RTTI(IGESDraw_PerspectiveView)

protected:




private: 


Standard_Integer theViewNumber;
Standard_Real theScaleFactor;
gp_XYZ theViewNormalVector;
gp_XYZ theViewReferencePoint;
gp_XYZ theCenterOfProjection;
gp_XYZ theViewUpVector;
Standard_Real theViewPlaneDistance;
gp_XY theTopLeft;
gp_XY theBottomRight;
Standard_Integer theDepthClip;
Standard_Real theBackPlaneDistance;
Standard_Real theFrontPlaneDistance;


};





// other Inline functions and methods (like "C++: function call" methods)


#endif