1 // Created on: 1996-04-01
2 // Created by: Flore Lantheaume
3 // Copyright (c) 1996-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and / or modify it
9 // under the terms of the GNU Lesser General Public 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.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #include <DsgPrs_FixPresentation.ixx>
19 #include <Graphic3d_ArrayOfSegments.hxx>
20 #include <Graphic3d_Group.hxx>
21 #include <Graphic3d_AspectMarker3d.hxx>
22 #include <Graphic3d_AspectLine3d.hxx>
23 #include <Graphic3d_ArrayOfPoints.hxx>
24 #include <Graphic3d_Vertex.hxx>
26 #include <Prs3d_DimensionAspect.hxx>
27 #include <Prs3d_LineAspect.hxx>
28 #include <Prs3d_Root.hxx>
30 #include <Aspect_TypeOfLine.hxx>
31 #include <Aspect_TypeOfMarker.hxx>
32 #include <Aspect_AspectMarker.hxx>
39 #include <Quantity_Color.hxx>
42 //=======================================================================
45 //=======================================================================
47 void DsgPrs_FixPresentation::Add(
48 const Handle(Prs3d_Presentation)& aPresentation,
49 const Handle(Prs3d_Drawer)& aDrawer,
50 const gp_Pnt& aPntAttach,
51 const gp_Pnt& aPntEnd,
52 const gp_Dir& aNormPln,
53 const Standard_Real symbsize)
55 Handle(Prs3d_DimensionAspect) LA = aDrawer->DimensionAspect();
56 Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
58 Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(10);
60 //Trace du segment de raccordement
61 aPrims->AddVertex(aPntAttach);
62 aPrims->AddVertex(aPntEnd);
64 // trace du symbole 'Fix'
65 gp_Vec dirac(aPntAttach, aPntEnd); // vecteur directeur du seg. de raccord
67 gp_Vec norac = dirac.Crossed(gp_Vec(aNormPln));
68 gp_Ax1 ax(aPntEnd, aNormPln);
69 norac.Rotate(ax, M_PI/8); // vecteur normal au seg. de raccord
71 gp_Pnt P1 = aPntEnd.Translated(norac);
72 gp_Pnt P2 = aPntEnd.Translated(-norac);
74 aPrims->AddVertex(P1);
75 aPrims->AddVertex(P2);
79 P1 = aPntEnd.Translated(norac);
80 P2 = aPntEnd.Translated(-norac);
83 gp_Pnt PL = PF.Translated(dirac);
86 aPrims->AddVertex(PF);
87 aPrims->AddVertex(PL);
90 PL = PF.Translated(dirac);
93 aPrims->AddVertex(PF);
94 aPrims->AddVertex(PL);
96 PF.SetXYZ(0.5*(P1.XYZ() + P2.XYZ()));
97 PL = PF.Translated(dirac);
100 aPrims->AddVertex(PF);
101 aPrims->AddVertex(PL);
103 Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims);
105 // On ajoute un rond au point d'attache
106 Prs3d_Root::NewGroup(aPresentation);
107 Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
108 Quantity_Color aColor;
109 Aspect_TypeOfLine aType;
110 Standard_Real aWidth;
111 LA->LineAspect()->Aspect()->Values (aColor, aType, aWidth);
112 Handle(Graphic3d_AspectMarker3d) aMarkerAsp = new Graphic3d_AspectMarker3d (Aspect_TOM_O, aColor, 1.0);
113 Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect (aMarkerAsp);
114 Handle(Graphic3d_ArrayOfPoints) anArrayOfPoints = new Graphic3d_ArrayOfPoints (1);
115 anArrayOfPoints->AddVertex (aPntAttach.X(), aPntAttach.Y(), aPntAttach.Z());
116 Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray (anArrayOfPoints);