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72 lines
2.5 KiB
C++
72 lines
2.5 KiB
C++
// Created on: 1995-03-17
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// Created by: Mister rmi
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// Copyright (c) 1995-1999 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 _Aspect_CircularGrid_HeaderFile
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#define _Aspect_CircularGrid_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 <Aspect_Grid.hxx>
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class Standard_NegativeValue;
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class Standard_NullValue;
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class Standard_NumericError;
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class Aspect_CircularGrid : public Aspect_Grid
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{
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DEFINE_STANDARD_RTTIEXT(Aspect_CircularGrid, Aspect_Grid)
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public:
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//! creates a new grid. By default this grid is not
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//! active.
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Standard_EXPORT Aspect_CircularGrid(const Standard_Real aRadiusStep, const Standard_Integer aDivisionNumber, const Standard_Real XOrigin = 0, const Standard_Real anYOrigin = 0, const Standard_Real aRotationAngle = 0);
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//! defines the x step of the grid.
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Standard_EXPORT void SetRadiusStep (const Standard_Real aStep);
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//! defines the step of the grid.
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Standard_EXPORT void SetDivisionNumber (const Standard_Integer aNumber);
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Standard_EXPORT void SetGridValues (const Standard_Real XOrigin, const Standard_Real YOrigin, const Standard_Real RadiusStep, const Standard_Integer DivisionNumber, const Standard_Real RotationAngle);
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//! returns the point of the grid the closest to the point X,Y
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Standard_EXPORT virtual void Compute (const Standard_Real X, const Standard_Real Y, Standard_Real& gridX, Standard_Real& gridY) const Standard_OVERRIDE;
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//! returns the x step of the grid.
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Standard_EXPORT Standard_Real RadiusStep() const;
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//! returns the x step of the grid.
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Standard_EXPORT Standard_Integer DivisionNumber() const;
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Standard_EXPORT virtual void Init() Standard_OVERRIDE;
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private:
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Standard_Real myRadiusStep;
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Standard_Integer myDivisionNumber;
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Standard_Real myAlpha;
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Standard_Real myA1;
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Standard_Real myB1;
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};
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DEFINE_STANDARD_HANDLE(Aspect_CircularGrid, Aspect_Grid)
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#endif // _Aspect_CircularGrid_HeaderFile
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