1 // Created on: 1998-01-27
2 // Created by: Julia GERASIMOVA
3 // Copyright (c) 1998-1999 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 _DsgPrs_EqualDistancePresentation_HeaderFile
18 #define _DsgPrs_EqualDistancePresentation_HeaderFile
19 
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
23 
24 #include <Prs3d_Drawer.hxx>
25 #include <DsgPrs_ArrowSide.hxx>
26 #include <Prs3d_Presentation.hxx>
27 
28 class gp_Pnt;
29 class Geom_Plane;
30 class gp_Dir;
31 class gp_Circ;
32 
33 //! A framework to display equal distances between shapes and a given plane.
34 //! The distance is the length of a projection from the shape to the plane.
35 //! These distances are used to compare two shapes by this vector alone.
36 class DsgPrs_EqualDistancePresentation
37 {
38 public:
39 
40   DEFINE_STANDARD_ALLOC
41 
42 
43   //! Adds the points Point1, Point2, Point3 Point4, and the
44   //! plane Plane to the presentation object aPresentation.
45   //! The display attributes of these elements is defined by the attribute manager aDrawer.
46   //! The distance is the length of a projection from the shape to the plane.
47   //! These distances are used to compare two shapes by this vector alone.
48   Standard_EXPORT static void Add (const Handle(Prs3d_Presentation)& aPresentation, const Handle(Prs3d_Drawer)& aDrawer, const gp_Pnt& Point1, const gp_Pnt& Point2, const gp_Pnt& Point3, const gp_Pnt& Point4, const Handle(Geom_Plane)& Plane);
49 
50   //! is used for presentation of interval between
51   //! two lines or two points or between a line and a point.
52   Standard_EXPORT static void AddInterval (const Handle(Prs3d_Presentation)& aPresentation, const Handle(Prs3d_Drawer)& aDrawer, const gp_Pnt& aPoint1, const gp_Pnt& aPoint2, const gp_Dir& aDir, const gp_Pnt& aPosition, const DsgPrs_ArrowSide anArrowSide, gp_Pnt& anExtremePnt1, gp_Pnt& anExtremePnt2);
53 
54   //! is used for presentation of interval between two arcs.
55   //! One of arcs can have a zero radius.
56   Standard_EXPORT static void AddIntervalBetweenTwoArcs (const Handle(Prs3d_Presentation)& aPresentation, const Handle(Prs3d_Drawer)& aDrawer, const gp_Circ& aCircle1, const gp_Circ& aCircle2, const gp_Pnt& aPoint1, const gp_Pnt& aPoint2, const gp_Pnt& aPoint3, const gp_Pnt& aPoint4, const DsgPrs_ArrowSide anArrowSide);
57 
58 
59 
60 
61 protected:
62 
63 
64 
65 
66 
67 private:
68 
69 
70 
71 
72 
73 };
74 
75 
76 
77 
78 
79 
80 
81 #endif // _DsgPrs_EqualDistancePresentation_HeaderFile
82