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154 lines
5.1 KiB
C++
154 lines
5.1 KiB
C++
// Created on: 1993-01-11
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// Created by: CKY / Contract Toubro-Larsen ( Niraj RANGWALA )
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// Copyright (c) 1993-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _IGESDraw_View_HeaderFile
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#define _IGESDraw_View_HeaderFile
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#include <Standard.hxx>
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#include <Standard_Type.hxx>
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#include <Standard_Integer.hxx>
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#include <Standard_Real.hxx>
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#include <IGESData_ViewKindEntity.hxx>
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#include <Standard_Boolean.hxx>
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class IGESGeom_Plane;
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class Standard_OutOfRange;
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class IGESData_ViewKindEntity;
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class IGESData_TransfEntity;
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class gp_XYZ;
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class IGESDraw_View;
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DEFINE_STANDARD_HANDLE(IGESDraw_View, IGESData_ViewKindEntity)
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//! defines IGES View Entity, Type <410> Form <0>
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//! in package IGESDraw
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//!
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//! Used to define a framework for specifying a viewing
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//! orientation of an object in three dimensional model
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//! space (X,Y,Z). The framework is also used to support
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//! the projection of all or part of model space onto a
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//! view volume.
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class IGESDraw_View : public IGESData_ViewKindEntity
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{
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public:
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Standard_EXPORT IGESDraw_View();
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//! This method is used to set fields of the class View
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//! - aViewNum : View number
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//! - aScale : Scale factor
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//! - aLeftPlane : Left plane of view volume
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//! - aTopPlane : Top plane of view volume
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//! - aRightPlane : Right plane of view volume
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//! - aBottomPlane : Bottom plane of view volume
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//! - aBackPlane : Back plane of view volume
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//! - aFrontPlane : Front plane of view volume
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Standard_EXPORT void Init (const Standard_Integer aViewNum, const Standard_Real aScale, const Handle(IGESGeom_Plane)& aLeftPlane, const Handle(IGESGeom_Plane)& aTopPlane, const Handle(IGESGeom_Plane)& aRightPlane, const Handle(IGESGeom_Plane)& aBottomPlane, const Handle(IGESGeom_Plane)& aBackPlane, const Handle(IGESGeom_Plane)& aFrontPlane);
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//! Returns True (for a single view)
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Standard_EXPORT Standard_Boolean IsSingle() const Standard_OVERRIDE;
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//! Returns 1 (single view)
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Standard_EXPORT Standard_Integer NbViews() const Standard_OVERRIDE;
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//! For a single view, returns <me> whatever <num>
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Standard_EXPORT Handle(IGESData_ViewKindEntity) ViewItem (const Standard_Integer num) const Standard_OVERRIDE;
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//! returns integer number identifying view orientation
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Standard_EXPORT Standard_Integer ViewNumber() const;
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//! returns the scale factor(Default = 1.0)
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Standard_EXPORT Standard_Real ScaleFactor() const;
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//! returns False if left side of view volume is not present
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Standard_EXPORT Standard_Boolean HasLeftPlane() const;
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//! returns the left side of view volume, or null handle
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Standard_EXPORT Handle(IGESGeom_Plane) LeftPlane() const;
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//! returns False if top of view volume is not present
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Standard_EXPORT Standard_Boolean HasTopPlane() const;
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//! returns the top of view volume, or null handle
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Standard_EXPORT Handle(IGESGeom_Plane) TopPlane() const;
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//! returns False if right side of view volume is not present
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Standard_EXPORT Standard_Boolean HasRightPlane() const;
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//! returns the right side of view volume, or null handle
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Standard_EXPORT Handle(IGESGeom_Plane) RightPlane() const;
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//! returns False if bottom of view volume is not present
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Standard_EXPORT Standard_Boolean HasBottomPlane() const;
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//! returns the bottom of view volume, or null handle
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Standard_EXPORT Handle(IGESGeom_Plane) BottomPlane() const;
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//! returns False if back of view volume is not present
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Standard_EXPORT Standard_Boolean HasBackPlane() const;
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//! returns the back of view volume, or null handle
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Standard_EXPORT Handle(IGESGeom_Plane) BackPlane() const;
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//! returns False if front of view volume is not present
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Standard_EXPORT Standard_Boolean HasFrontPlane() const;
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//! returns the front of view volume, or null handle
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Standard_EXPORT Handle(IGESGeom_Plane) FrontPlane() const;
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//! returns the Transformation Matrix
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Standard_EXPORT Handle(IGESData_TransfEntity) ViewMatrix() const;
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//! returns XYZ from the Model space to the View space by
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//! applying the View Matrix
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Standard_EXPORT gp_XYZ ModelToView (const gp_XYZ& coords) const;
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DEFINE_STANDARD_RTTIEXT(IGESDraw_View,IGESData_ViewKindEntity)
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protected:
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private:
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Standard_Integer theViewNumber;
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Standard_Real theScaleFactor;
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Handle(IGESGeom_Plane) theLeftPlane;
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Handle(IGESGeom_Plane) theTopPlane;
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Handle(IGESGeom_Plane) theRightPlane;
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Handle(IGESGeom_Plane) theBottomPlane;
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Handle(IGESGeom_Plane) theBackPlane;
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Handle(IGESGeom_Plane) theFrontPlane;
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};
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#endif // _IGESDraw_View_HeaderFile
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