OpenCAX/entry/src/main/cpp/include/opencascade/AIS_Circle.hxx
2026-02-19 19:05:41 +08:00

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// Created on: 1997-01-21
// Created by: Prestataire Christiane ARMAND
// Copyright (c) 1997-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#ifndef _AIS_Circle_HeaderFile
#define _AIS_Circle_HeaderFile
#include "AIS_InteractiveObject.hxx"
class Geom_Circle;
//! Constructs circle datums to be used in construction of
//! composite shapes.
class AIS_Circle : public AIS_InteractiveObject
{
DEFINE_STANDARD_RTTIEXT(AIS_Circle, AIS_InteractiveObject)
public:
//! Initializes this algorithm for constructing AIS circle
//! datums initializes the circle aCircle
Standard_EXPORT AIS_Circle(const Handle(Geom_Circle)& aCircle);
//! Initializes this algorithm for constructing AIS circle datums.
//! Initializes the circle theCircle, the arc
//! starting point theUStart, the arc ending point theUEnd,
//! and the type of sensitivity theIsFilledCircleSens.
Standard_EXPORT AIS_Circle(const Handle(Geom_Circle)& theCircle,
const Standard_Real theUStart,
const Standard_Real theUEnd,
const Standard_Boolean theIsFilledCircleSens = Standard_False);
//! Returns index 6 by default.
virtual Standard_Integer Signature() const Standard_OVERRIDE { return 6; }
//! Indicates that the type of Interactive Object is a datum.
virtual AIS_KindOfInteractive Type() const Standard_OVERRIDE
{
return AIS_KindOfInteractive_Datum;
}
//! Returns the circle component defined in SetCircle.
const Handle(Geom_Circle)& Circle() const { return myComponent; }
//! Constructs instances of the starting point and the end
//! point parameters, theU1 and theU2.
void Parameters(Standard_Real& theU1, Standard_Real& theU2) const
{
theU1 = myUStart;
theU2 = myUEnd;
}
//! Allows you to provide settings for the circle datum aCircle.
void SetCircle(const Handle(Geom_Circle)& theCircle) { myComponent = theCircle; }
//! Allows you to set the parameter theU for the starting point of an arc.
void SetFirstParam(const Standard_Real theU)
{
myUStart = theU;
myCircleIsArc = Standard_True;
}
//! Allows you to provide the parameter theU for the end point of an arc.
void SetLastParam(const Standard_Real theU)
{
myUEnd = theU;
myCircleIsArc = Standard_True;
}
Standard_EXPORT void SetColor(const Quantity_Color& aColor) Standard_OVERRIDE;
//! Assigns the width aValue to the solid line boundary of the circle datum.
Standard_EXPORT void SetWidth(const Standard_Real aValue) Standard_OVERRIDE;
//! Removes color from the solid line boundary of the circle datum.
Standard_EXPORT void UnsetColor() Standard_OVERRIDE;
//! Removes width settings from the solid line boundary of the circle datum.
Standard_EXPORT void UnsetWidth() Standard_OVERRIDE;
//! Returns the type of sensitivity for the circle;
Standard_Boolean IsFilledCircleSens() const { return myIsFilledCircleSens; }
//! Sets the type of sensitivity for the circle. If theIsFilledCircleSens set to Standard_True
//! then the whole circle will be detectable, otherwise only the boundary of the circle.
void SetFilledCircleSens(const Standard_Boolean theIsFilledCircleSens)
{
myIsFilledCircleSens = theIsFilledCircleSens;
}
private:
Standard_EXPORT virtual void Compute(const Handle(PrsMgr_PresentationManager)& thePrsMgr,
const Handle(Prs3d_Presentation)& theprs,
const Standard_Integer theMode) Standard_OVERRIDE;
Standard_EXPORT virtual void ComputeSelection(const Handle(SelectMgr_Selection)& theSel,
const Standard_Integer theMode) Standard_OVERRIDE;
Standard_EXPORT void ComputeCircle(const Handle(Prs3d_Presentation)& aPresentation);
Standard_EXPORT void ComputeArc(const Handle(Prs3d_Presentation)& aPresentation);
Standard_EXPORT void ComputeCircleSelection(const Handle(SelectMgr_Selection)& aSelection);
Standard_EXPORT void ComputeArcSelection(const Handle(SelectMgr_Selection)& aSelection);
//! Replace aspects of already computed groups with the new value.
void replaceWithNewLineAspect(const Handle(Prs3d_LineAspect)& theAspect);
private:
Handle(Geom_Circle) myComponent;
Standard_Real myUStart;
Standard_Real myUEnd;
Standard_Boolean myCircleIsArc;
Standard_Boolean myIsFilledCircleSens;
};
DEFINE_STANDARD_HANDLE(AIS_Circle, AIS_InteractiveObject)
#endif // _AIS_Circle_HeaderFile