1 // Created on: 1996-08-21
2 // Created by: Jacques MINOT
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 // modified 12-january-98
20 #include <DsgPrs_DiameterPresentation.ixx>
22 #include <Prs3d_LineAspect.hxx>
23 #include <Prs3d_TextAspect.hxx>
24 #include <Prs3d_DimensionAspect.hxx>
25 #include <Prs3d_Arrow.hxx>
26 #include <Prs3d_Text.hxx>
27 #include <Prs3d_ArrowAspect.hxx>
29 #include <Graphic3d_Group.hxx>
30 #include <Graphic3d_ArrayOfSegments.hxx>
38 #include <Graphic3d_Vertex.hxx>
39 #include <Graphic3d_AspectMarker3d.hxx>
40 #include <Graphic3d_AspectLine3d.hxx>
41 #include <Aspect_TypeOfLine.hxx>
42 #include <Aspect_TypeOfMarker.hxx>
43 #include <Aspect_AspectMarker.hxx>
44 #include <Quantity_Color.hxx>
47 //==========================================================================
48 // function : DsgPrs_DiameterPresentation::Add
49 // purpose : it is possible to choose the symbol of extremities of the face (arrow, point ...)
50 //==========================================================================
51 void DsgPrs_DiameterPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation,
52 const Handle(Prs3d_Drawer)& aDrawer,
53 const TCollection_ExtendedString& aText,
54 const gp_Pnt& AttachmentPoint,
55 const gp_Circ& aCircle,
56 const DsgPrs_ArrowSide ArrowPrs,
57 const Standard_Boolean IsDiamSymbol )
59 Handle(Prs3d_DimensionAspect) LA = aDrawer->DimensionAspect();
60 Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
62 Standard_Real parat = ElCLib::Parameter(aCircle, AttachmentPoint);
63 gp_Pnt ptoncirc = ElCLib::Value (parat, aCircle);
66 gp_Pnt center = aCircle.Location();
67 gp_Vec vecrap (ptoncirc,center);
69 Standard_Real dist = center.Distance(AttachmentPoint);
70 Standard_Real aRadius = aCircle.Radius();
71 Standard_Boolean inside = (dist < aRadius);
73 gp_Pnt pt1 = AttachmentPoint;
79 vecrap *= (dist+aRadius);
80 gp_Pnt OppositePoint = pt1.Translated(vecrap);
82 Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2);
83 aPrims->AddVertex(pt1);
84 aPrims->AddVertex(OppositePoint);
85 Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims);
88 TCollection_ExtendedString Text = aText;
90 Text = TCollection_ExtendedString("\330 ") + aText; // VRO (2007-05-17) inserted a blank.
91 Prs3d_Text::Draw(aPresentation, LA->TextAspect(), Text, AttachmentPoint);
94 gp_Dir arrdir (vecrap);
95 if (inside) arrdir.Reverse();
97 gp_Vec vecrap2 = vecrap;
98 gp_Pnt ptoncirc2 = ptoncirc;
99 gp_Dir arrdir2 = arrdir;
101 vecrap2 *= (aCircle.Radius() * 2.);
102 ptoncirc2.Translate (vecrap2);
105 DsgPrs::ComputeSymbol(aPresentation,LA,ptoncirc,ptoncirc2,arrdir,arrdir2,ArrowPrs);
109 static Standard_Boolean DsgPrs_InDomain(const Standard_Real fpar,
110 const Standard_Real lpar,
111 const Standard_Real para)
115 return ((para >= fpar) && (para <= lpar));
116 else { // fpar > lpar
117 Standard_Real delta = 2.*M_PI-fpar;
118 Standard_Real lp, par, fp;
121 while(lp > 2*M_PI) lp-=2*M_PI;
122 while(par > 2*M_PI) par-=2*M_PI;
124 return ((par >= fp) && (par <= lp));
127 if (para >= (fpar+2*M_PI)) return Standard_True;
128 if (para <= lpar) return Standard_True;
129 return Standard_False;
133 //=======================================================================
134 //function : DsgPrs_DiameterPresentation::Add
135 //purpose : SZY 12-february-98
136 //=======================================================================
138 void DsgPrs_DiameterPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation,
139 const Handle(Prs3d_Drawer)& aDrawer,
140 const TCollection_ExtendedString& aText,
141 const gp_Pnt& AttachmentPoint,
142 const gp_Circ& aCircle,
143 const Standard_Real uFirst,
144 const Standard_Real uLast,
145 const DsgPrs_ArrowSide ArrowPrs,//ArrowSide
146 const Standard_Boolean IsDiamSymbol )
148 Standard_Real fpara = uFirst;
149 Standard_Real lpara = uLast;
150 while (lpara > 2.*M_PI) {
155 Handle(Prs3d_DimensionAspect) LA = aDrawer->DimensionAspect();
156 Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
157 Standard_Real parEndOfArrow = ElCLib::Parameter(aCircle,AttachmentPoint);
159 gp_Pnt DrawPosition = AttachmentPoint;// point of attachment
160 Standard_Boolean otherside = Standard_False;
162 gp_Pnt Center = aCircle.Location();
163 gp_Pnt FirstPoint = ElCLib::Value(uFirst, aCircle);
164 gp_Pnt SecondPoint = ElCLib::Value(uLast, aCircle);
166 if ( !DsgPrs_InDomain(fpara,lpara,parEndOfArrow)) {
167 Standard_Real otherpar = parEndOfArrow + M_PI;// not in domain
168 if (otherpar > 2*M_PI) otherpar -= 2*M_PI;
169 if (DsgPrs_InDomain(fpara,lpara,otherpar)) {
170 parEndOfArrow = otherpar; // parameter on circle
171 EndOfArrow = ElCLib::Value(parEndOfArrow, aCircle);
172 otherside = Standard_True;
175 gp_Dir dir1(gp_Vec(Center, FirstPoint));
176 gp_Dir dir2(gp_Vec(Center, SecondPoint));
177 gp_Lin L1( Center, dir1 );
178 gp_Lin L2( Center, dir2 );
179 if(L1.Distance(AttachmentPoint) < L2.Distance(AttachmentPoint))
181 EndOfArrow = FirstPoint; //***
182 DrawPosition = ElCLib::Value(ElCLib::Parameter( L1, AttachmentPoint ), L1);
186 EndOfArrow = SecondPoint; //***
187 DrawPosition = ElCLib::Value(ElCLib::Parameter( L2, AttachmentPoint ), L2);
192 EndOfArrow = ElCLib::Value(parEndOfArrow, aCircle);
193 DrawPosition = AttachmentPoint;
196 Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2);
197 aPrims->AddVertex(DrawPosition);
198 aPrims->AddVertex(EndOfArrow);
199 Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims);
202 TCollection_ExtendedString Text = aText;
204 Text = TCollection_ExtendedString("\330 ") + Text;// => \330 | \370?
205 Prs3d_Text::Draw(aPresentation,LA->TextAspect(),Text,DrawPosition);
207 // Add presentation of arrow
208 gp_Dir DirOfArrow(gp_Vec(DrawPosition, EndOfArrow).XYZ());
209 DsgPrs::ComputeSymbol(aPresentation, LA, EndOfArrow, EndOfArrow, DirOfArrow, DirOfArrow, ArrowPrs);