1 // Created on: 1997-01-21
2 // Created by: Prestataire Christiane ARMAND
3 // Copyright (c) 1997-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
5 //
6 // This file is part of Open CASCADE Technology software library.
7 //
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
13 //
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
16 
17 #ifndef _AIS_Circle_HeaderFile
18 #define _AIS_Circle_HeaderFile
19 
20 #include <AIS_InteractiveObject.hxx>
21 
22 class Geom_Circle;
23 
24 //! Constructs circle datums to be used in construction of
25 //! composite shapes.
26 class AIS_Circle : public AIS_InteractiveObject
27 {
28   DEFINE_STANDARD_RTTIEXT(AIS_Circle, AIS_InteractiveObject)
29 public:
30 
31   //! Initializes this algorithm for constructing AIS circle
32   //! datums initializes the circle aCircle
33   Standard_EXPORT AIS_Circle(const Handle(Geom_Circle)& aCircle);
34 
35   //! Initializes this algorithm for constructing AIS circle datums.
36   //! Initializes the circle theCircle, the arc
37   //! starting point theUStart, the arc ending point theUEnd,
38   //! and the type of sensitivity theIsFilledCircleSens.
39   Standard_EXPORT AIS_Circle(const Handle(Geom_Circle)& theCircle, const Standard_Real theUStart, const Standard_Real theUEnd, const Standard_Boolean theIsFilledCircleSens = Standard_False);
40 
41   //! Returns index 6 by default.
Signature() const42   virtual Standard_Integer Signature() const Standard_OVERRIDE { return 6; }
43 
44   //! Indicates that the type of Interactive Object is a datum.
Type() const45   virtual AIS_KindOfInteractive Type() const Standard_OVERRIDE { return AIS_KindOfInteractive_Datum; }
46 
47   //! Returns the circle component defined in SetCircle.
Handle(Geom_Circle)48   const Handle(Geom_Circle)& Circle() const { return myComponent; }
49 
50   //! Constructs instances of the starting point and the end
51   //! point parameters, theU1 and theU2.
Parameters(Standard_Real & theU1,Standard_Real & theU2) const52   void Parameters (Standard_Real& theU1, Standard_Real& theU2) const
53   {
54     theU1 = myUStart;
55     theU2 = myUEnd;
56   }
57 
58   //! Allows you to provide settings for the circle datum aCircle.
SetCircle(const Handle (Geom_Circle)& theCircle)59   void SetCircle (const Handle(Geom_Circle)& theCircle) { myComponent = theCircle; }
60 
61   //! Allows you to set the parameter theU for the starting point of an arc.
SetFirstParam(const Standard_Real theU)62   void SetFirstParam (const Standard_Real theU)
63   {
64     myUStart = theU;
65     myCircleIsArc = Standard_True;
66   }
67 
68   //! Allows you to provide the parameter theU for the end point of an arc.
SetLastParam(const Standard_Real theU)69   void SetLastParam (const Standard_Real theU)
70   {
71     myUEnd = theU;
72     myCircleIsArc = Standard_True;
73   }
74 
75   Standard_EXPORT void SetColor (const Quantity_Color& aColor) Standard_OVERRIDE;
76 
77   //! Assigns the width aValue to the solid line boundary of the circle datum.
78   Standard_EXPORT void SetWidth (const Standard_Real aValue) Standard_OVERRIDE;
79 
80   //! Removes color from the solid line boundary of the circle datum.
81   Standard_EXPORT void UnsetColor() Standard_OVERRIDE;
82 
83   //! Removes width settings from the solid line boundary of the circle datum.
84   Standard_EXPORT void UnsetWidth() Standard_OVERRIDE;
85 
86   //! Returns the type of sensitivity for the circle;
IsFilledCircleSens() const87   Standard_Boolean IsFilledCircleSens() const { return myIsFilledCircleSens; }
88 
89   //! Sets the type of sensitivity for the circle. If theIsFilledCircleSens set to Standard_True
90   //! then the whole circle will be detectable, otherwise only the boundary of the circle.
SetFilledCircleSens(const Standard_Boolean theIsFilledCircleSens)91   void SetFilledCircleSens (const Standard_Boolean theIsFilledCircleSens) { myIsFilledCircleSens = theIsFilledCircleSens; }
92 
93 private:
94 
95   Standard_EXPORT virtual void Compute (const Handle(PrsMgr_PresentationManager)& thePrsMgr,
96                                         const Handle(Prs3d_Presentation)& theprs,
97                                         const Standard_Integer theMode) Standard_OVERRIDE;
98 
99   Standard_EXPORT virtual void ComputeSelection (const Handle(SelectMgr_Selection)& theSel,
100                                                  const Standard_Integer theMode) Standard_OVERRIDE;
101 
102   Standard_EXPORT void ComputeCircle (const Handle(Prs3d_Presentation)& aPresentation);
103 
104   Standard_EXPORT void ComputeArc (const Handle(Prs3d_Presentation)& aPresentation);
105 
106   Standard_EXPORT void ComputeCircleSelection (const Handle(SelectMgr_Selection)& aSelection);
107 
108   Standard_EXPORT void ComputeArcSelection (const Handle(SelectMgr_Selection)& aSelection);
109 
110   //! Replace aspects of already computed groups with the new value.
111   void replaceWithNewLineAspect (const Handle(Prs3d_LineAspect)& theAspect);
112 
113 private:
114 
115   Handle(Geom_Circle) myComponent;
116   Standard_Real myUStart;
117   Standard_Real myUEnd;
118   Standard_Boolean myCircleIsArc;
119   Standard_Boolean myIsFilledCircleSens;
120 
121 };
122 
123 DEFINE_STANDARD_HANDLE(AIS_Circle, AIS_InteractiveObject)
124 
125 #endif // _AIS_Circle_HeaderFile
126