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 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.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #include <DsgPrs_FixPresentation.hxx>
23 #include <Graphic3d_ArrayOfPoints.hxx>
24 #include <Graphic3d_ArrayOfSegments.hxx>
25 #include <Graphic3d_AspectLine3d.hxx>
26 #include <Graphic3d_AspectMarker3d.hxx>
27 #include <Graphic3d_Group.hxx>
28 #include <Prs3d_DimensionAspect.hxx>
29 #include <Prs3d_LineAspect.hxx>
30 #include <Prs3d_Presentation.hxx>
31 #include <Prs3d_Root.hxx>
33 //=======================================================================
36 //=======================================================================
37 void DsgPrs_FixPresentation::Add(
38 const Handle(Prs3d_Presentation)& aPresentation,
39 const Handle(Prs3d_Drawer)& aDrawer,
40 const gp_Pnt& aPntAttach,
41 const gp_Pnt& aPntEnd,
42 const gp_Dir& aNormPln,
43 const Standard_Real symbsize)
45 Handle(Prs3d_DimensionAspect) LA = aDrawer->DimensionAspect();
46 Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
48 Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(10);
50 //Trace du segment de raccordement
51 aPrims->AddVertex(aPntAttach);
52 aPrims->AddVertex(aPntEnd);
54 // trace du symbole 'Fix'
55 gp_Vec dirac(aPntAttach, aPntEnd); // vecteur directeur du seg. de raccord
57 gp_Vec norac = dirac.Crossed(gp_Vec(aNormPln));
58 gp_Ax1 ax(aPntEnd, aNormPln);
59 norac.Rotate(ax, M_PI/8); // vecteur normal au seg. de raccord
61 gp_Pnt P1 = aPntEnd.Translated(norac);
62 gp_Pnt P2 = aPntEnd.Translated(-norac);
64 aPrims->AddVertex(P1);
65 aPrims->AddVertex(P2);
69 P1 = aPntEnd.Translated(norac);
70 P2 = aPntEnd.Translated(-norac);
73 gp_Pnt PL = PF.Translated(dirac);
76 aPrims->AddVertex(PF);
77 aPrims->AddVertex(PL);
80 PL = PF.Translated(dirac);
83 aPrims->AddVertex(PF);
84 aPrims->AddVertex(PL);
86 PF.SetXYZ(0.5*(P1.XYZ() + P2.XYZ()));
87 PL = PF.Translated(dirac);
90 aPrims->AddVertex(PF);
91 aPrims->AddVertex(PL);
93 Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims);
95 Prs3d_Root::NewGroup(aPresentation);
96 Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
97 Quantity_Color aColor = LA->LineAspect()->Aspect()->Color();
98 Handle(Graphic3d_AspectMarker3d) aMarkerAsp = new Graphic3d_AspectMarker3d (Aspect_TOM_O, aColor, 1.0);
99 Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect (aMarkerAsp);
100 Handle(Graphic3d_ArrayOfPoints) anArrayOfPoints = new Graphic3d_ArrayOfPoints (1);
101 anArrayOfPoints->AddVertex (aPntAttach.X(), aPntAttach.Y(), aPntAttach.Z());
102 Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray (anArrayOfPoints);