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.
18 #include <Aspect_AspectMarker.hxx>
19 #include <Aspect_TypeOfLine.hxx>
20 #include <Aspect_TypeOfMarker.hxx>
21 #include <DsgPrs_FixPresentation.hxx>
26 #include <Graphic3d_ArrayOfPoints.hxx>
27 #include <Graphic3d_ArrayOfSegments.hxx>
28 #include <Graphic3d_AspectLine3d.hxx>
29 #include <Graphic3d_AspectMarker3d.hxx>
30 #include <Graphic3d_Group.hxx>
31 #include <Graphic3d_Vertex.hxx>
32 #include <Prs3d_DimensionAspect.hxx>
33 #include <Prs3d_LineAspect.hxx>
34 #include <Prs3d_Presentation.hxx>
35 #include <Prs3d_Root.hxx>
36 #include <Quantity_Color.hxx>
38 //=======================================================================
41 //=======================================================================
42 void DsgPrs_FixPresentation::Add(
43 const Handle(Prs3d_Presentation)& aPresentation,
44 const Handle(Prs3d_Drawer)& aDrawer,
45 const gp_Pnt& aPntAttach,
46 const gp_Pnt& aPntEnd,
47 const gp_Dir& aNormPln,
48 const Standard_Real symbsize)
50 Handle(Prs3d_DimensionAspect) LA = aDrawer->DimensionAspect();
51 Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
53 Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(10);
55 //Trace du segment de raccordement
56 aPrims->AddVertex(aPntAttach);
57 aPrims->AddVertex(aPntEnd);
59 // trace du symbole 'Fix'
60 gp_Vec dirac(aPntAttach, aPntEnd); // vecteur directeur du seg. de raccord
62 gp_Vec norac = dirac.Crossed(gp_Vec(aNormPln));
63 gp_Ax1 ax(aPntEnd, aNormPln);
64 norac.Rotate(ax, M_PI/8); // vecteur normal au seg. de raccord
66 gp_Pnt P1 = aPntEnd.Translated(norac);
67 gp_Pnt P2 = aPntEnd.Translated(-norac);
69 aPrims->AddVertex(P1);
70 aPrims->AddVertex(P2);
74 P1 = aPntEnd.Translated(norac);
75 P2 = aPntEnd.Translated(-norac);
78 gp_Pnt PL = PF.Translated(dirac);
81 aPrims->AddVertex(PF);
82 aPrims->AddVertex(PL);
85 PL = PF.Translated(dirac);
88 aPrims->AddVertex(PF);
89 aPrims->AddVertex(PL);
91 PF.SetXYZ(0.5*(P1.XYZ() + P2.XYZ()));
92 PL = PF.Translated(dirac);
95 aPrims->AddVertex(PF);
96 aPrims->AddVertex(PL);
98 Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims);
100 // On ajoute un rond au point d'attache
101 Prs3d_Root::NewGroup(aPresentation);
102 Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
103 Quantity_Color aColor;
104 Aspect_TypeOfLine aType;
105 Standard_Real aWidth;
106 LA->LineAspect()->Aspect()->Values (aColor, aType, aWidth);
107 Handle(Graphic3d_AspectMarker3d) aMarkerAsp = new Graphic3d_AspectMarker3d (Aspect_TOM_O, aColor, 1.0);
108 Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect (aMarkerAsp);
109 Handle(Graphic3d_ArrayOfPoints) anArrayOfPoints = new Graphic3d_ArrayOfPoints (1);
110 anArrayOfPoints->AddVertex (aPntAttach.X(), aPntAttach.Y(), aPntAttach.Z());
111 Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray (anArrayOfPoints);