1 // Created on: 1997-03-04
2 // Created by: Jean-Pierre COMBE
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 _PrsDim_OffsetDimension_HeaderFile
18 #define _PrsDim_OffsetDimension_HeaderFile
19 
20 #include <PrsDim_Relation.hxx>
21 #include <PrsDim_KindOfDimension.hxx>
22 
23 DEFINE_STANDARD_HANDLE(PrsDim_OffsetDimension, PrsDim_Relation)
24 
25 //! A framework to display dimensions of offsets.
26 //! The relation between the offset and the basis shape
27 //! is indicated. This relation is displayed with arrows and
28 //! text. The text gives the dsitance between the offset
29 //! and the basis shape.
30 class PrsDim_OffsetDimension : public PrsDim_Relation
31 {
32   DEFINE_STANDARD_RTTIEXT(PrsDim_OffsetDimension, PrsDim_Relation)
33 public:
34 
35   //! Constructs the offset display object defined by the
36   //! first shape aFShape, the second shape aSShape, the
37   //! dimension aVal, and the text aText.
38   Standard_EXPORT PrsDim_OffsetDimension(const TopoDS_Shape& FistShape, const TopoDS_Shape& SecondShape, const Standard_Real aVal, const TCollection_ExtendedString& aText);
39 
40   //! Indicates that the dimension we are concerned with is an offset.
KindOfDimension() const41   virtual PrsDim_KindOfDimension KindOfDimension() const Standard_OVERRIDE { return PrsDim_KOD_OFFSET; }
42 
43   //! Returns true if the offset datum is movable.
IsMovable() const44   virtual Standard_Boolean IsMovable() const Standard_OVERRIDE { return Standard_True; }
45 
46   //! Sets a transformation aTrsf for presentation and
47   //! selection to a relative position.
SetRelativePos(const gp_Trsf & aTrsf)48   void SetRelativePos (const gp_Trsf& aTrsf) { myRelativePos = aTrsf; }
49 
50 private:
51 
52   Standard_EXPORT virtual void Compute (const Handle(PrsMgr_PresentationManager)& thePrsMgr,
53                                         const Handle(Prs3d_Presentation)& thePrs,
54                                         const Standard_Integer theMode) Standard_OVERRIDE;
55 
56   Standard_EXPORT virtual void ComputeSelection (const Handle(SelectMgr_Selection)& theSel,
57                                                  const Standard_Integer theMode) Standard_OVERRIDE;
58 
59   Standard_EXPORT void ComputeTwoFacesOffset (const Handle(Prs3d_Presentation)& aPresentation, const gp_Trsf& aTrsf);
60 
61   Standard_EXPORT void ComputeTwoAxesOffset (const Handle(Prs3d_Presentation)& aPresentation, const gp_Trsf& aTrsf);
62 
63   Standard_EXPORT void ComputeAxeFaceOffset (const Handle(Prs3d_Presentation)& aPresentation, const gp_Trsf& aTrsf);
64 
65 private:
66 
67   gp_Pnt myFAttach;
68   gp_Pnt mySAttach;
69   gp_Dir myDirAttach;
70   gp_Dir myDirAttach2;
71   gp_Trsf myRelativePos;
72 
73 };
74 
75 #endif // _PrsDim_OffsetDimension_HeaderFile
76