0023634: Eliminate Polyline and Polygon usage in drawers
[occt.git] / src / DsgPrs / DsgPrs_DiameterPresentation.cxx
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b311480e 1// Created on: 1996-08-21
2// Created by: Jacques MINOT
3// Copyright (c) 1996-1999 Matra Datavision
4// Copyright (c) 1999-2012 OPEN CASCADE SAS
5//
6// The content of this file is subject to the Open CASCADE Technology Public
7// License Version 6.5 (the "License"). You may not use the content of this file
8// except in compliance with the License. Please obtain a copy of the License
9// at http://www.opencascade.org and read it completely before using this file.
10//
11// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
12// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
13//
14// The Original Code and all software distributed under the License is
15// distributed on an "AS IS" basis, without warranty of any kind, and the
16// Initial Developer hereby disclaims all such warranties, including without
17// limitation, any warranties of merchantability, fitness for a particular
18// purpose or non-infringement. Please see the License for the specific terms
19// and conditions governing the rights and limitations under the License.
20
7fd59977 21// modified 12-january-98
22// Sergey ZARITCHNY
7fd59977 23// szy
24#include <DsgPrs_DiameterPresentation.ixx>
25
26#include <Prs3d_LineAspect.hxx>
27#include <Prs3d_TextAspect.hxx>
28#include <Prs3d_LengthAspect.hxx>
29#include <Prs3d_Arrow.hxx>
30#include <Prs3d_Text.hxx>
31#include <Prs3d_ArrowAspect.hxx>
32
33#include <Graphic3d_Group.hxx>
b8ddfc2f 34#include <Graphic3d_ArrayOfSegments.hxx>
7fd59977 35
36#include <gp_Dir.hxx>
37#include <gp_Pnt.hxx>
38#include <gp_Vec.hxx>
39
40#include <ElCLib.hxx>
41
42#include <Graphic3d_Vertex.hxx>
43#include <Graphic3d_AspectMarker3d.hxx>
44#include <Graphic3d_AspectLine3d.hxx>
45#include <Aspect_TypeOfLine.hxx>
46#include <Aspect_TypeOfMarker.hxx>
47#include <Aspect_AspectMarker.hxx>
48#include <Quantity_Color.hxx>
49#include <DsgPrs.hxx>
50
51//==========================================================================
52// function : DsgPrs_DiameterPresentation::Add
81bba717 53// purpose : it is possible to choose the symbol of extremities of the face (arrow, point ...)
7fd59977 54//==========================================================================
55void DsgPrs_DiameterPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation,
56 const Handle(Prs3d_Drawer)& aDrawer,
57 const TCollection_ExtendedString& aText,
58 const gp_Pnt& AttachmentPoint,
59 const gp_Circ& aCircle,
60 const DsgPrs_ArrowSide ArrowPrs,
61 const Standard_Boolean IsDiamSymbol )
62{
7fd59977 63 Handle(Prs3d_LengthAspect) LA = aDrawer->LengthAspect();
64 Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
65
66 Standard_Real parat = ElCLib::Parameter(aCircle, AttachmentPoint);
67 gp_Pnt ptoncirc = ElCLib::Value (parat, aCircle);
68
81bba717 69 // sideline
7fd59977 70 gp_Pnt center = aCircle.Location();
71 gp_Vec vecrap (ptoncirc,center);
72
73 Standard_Real dist = center.Distance(AttachmentPoint);
74 Standard_Real aRadius = aCircle.Radius();
b8ddfc2f 75 Standard_Boolean inside = (dist < aRadius);
7fd59977 76
77 gp_Pnt pt1 = AttachmentPoint;
b8ddfc2f 78 if (inside) {
7fd59977 79 pt1 = ptoncirc;
80 dist = aRadius;
7fd59977 81 }
82 vecrap.Normalize();
83 vecrap *= (dist+aRadius);
b8ddfc2f 84 gp_Pnt OppositePoint = pt1.Translated(vecrap);
7fd59977 85
b8ddfc2f 86 Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2);
87 aPrims->AddVertex(pt1);
88 aPrims->AddVertex(OppositePoint);
89 Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims);
7fd59977 90
91 // value
92 TCollection_ExtendedString Text = aText;
93 if(IsDiamSymbol)
94 Text = TCollection_ExtendedString("\330 ") + aText; // VRO (2007-05-17) inserted a blank.
95 Prs3d_Text::Draw(aPresentation, LA->TextAspect(), Text, AttachmentPoint);
96
97 // arrows
7fd59977 98 gp_Dir arrdir (vecrap);
99 if (inside) arrdir.Reverse();
100
7fd59977 101 gp_Vec vecrap2 = vecrap;
102 gp_Pnt ptoncirc2 = ptoncirc;
103 gp_Dir arrdir2 = arrdir;
104 vecrap2.Normalize();
105 vecrap2 *= (aCircle.Radius() * 2.);
106 ptoncirc2.Translate (vecrap2);
107 arrdir2.Reverse();
108
109 DsgPrs::ComputeSymbol(aPresentation,LA,ptoncirc,ptoncirc2,arrdir,arrdir2,ArrowPrs);
110}
111
112
113static Standard_Boolean DsgPrs_InDomain(const Standard_Real fpar,
114 const Standard_Real lpar,
115 const Standard_Real para)
116{
117 if (fpar >= 0.) {
118 if(lpar > fpar)
119 return ((para >= fpar) && (para <= lpar));
120 else { // fpar > lpar
b8ddfc2f 121 Standard_Real delta = 2.*M_PI-fpar;
7fd59977 122 Standard_Real lp, par, fp;
123 lp = lpar + delta;
124 par = para + delta;
c6541a0c
D
125 while(lp > 2*M_PI) lp-=2*M_PI;
126 while(par > 2*M_PI) par-=2*M_PI;
7fd59977 127 fp = 0.;
128 return ((par >= fp) && (par <= lp));
129 }
7fd59977 130 }
c6541a0c 131 if (para >= (fpar+2*M_PI)) return Standard_True;
7fd59977 132 if (para <= lpar) return Standard_True;
133 return Standard_False;
134}
135
136
137//=======================================================================
138//function : DsgPrs_DiameterPresentation::Add
139//purpose : SZY 12-february-98
140//=======================================================================
141
142void DsgPrs_DiameterPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation,
143 const Handle(Prs3d_Drawer)& aDrawer,
144 const TCollection_ExtendedString& aText,
145 const gp_Pnt& AttachmentPoint,
146 const gp_Circ& aCircle,
147 const Standard_Real uFirst,
148 const Standard_Real uLast,
149 const DsgPrs_ArrowSide ArrowPrs,//ArrowSide
150 const Standard_Boolean IsDiamSymbol )
151{
152 Standard_Real fpara = uFirst;
153 Standard_Real lpara = uLast;
b8ddfc2f 154 while (lpara > 2.*M_PI) {
155 fpara -= 2.*M_PI;
156 lpara -= 2.*M_PI;
7fd59977 157 }
158
159 Handle(Prs3d_LengthAspect) LA = aDrawer->LengthAspect();
7fd59977 160 Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
b8ddfc2f 161 Standard_Real parEndOfArrow = ElCLib::Parameter(aCircle,AttachmentPoint);
7fd59977 162 gp_Pnt EndOfArrow;
81bba717 163 gp_Pnt DrawPosition = AttachmentPoint;// point of attachment
7fd59977 164 Standard_Boolean otherside = Standard_False;
165
166 gp_Pnt Center = aCircle.Location();
167 gp_Pnt FirstPoint = ElCLib::Value(uFirst, aCircle);
168 gp_Pnt SecondPoint = ElCLib::Value(uLast, aCircle);
169
170 if ( !DsgPrs_InDomain(fpara,lpara,parEndOfArrow)) {
c6541a0c
D
171 Standard_Real otherpar = parEndOfArrow + M_PI;// not in domain
172 if (otherpar > 2*M_PI) otherpar -= 2*M_PI;
7fd59977 173 if (DsgPrs_InDomain(fpara,lpara,otherpar)) {
174 parEndOfArrow = otherpar; // parameter on circle
175 EndOfArrow = ElCLib::Value(parEndOfArrow, aCircle);
176 otherside = Standard_True;
177 }
178 else {
179 gp_Dir dir1(gp_Vec(Center, FirstPoint));
180 gp_Dir dir2(gp_Vec(Center, SecondPoint));
181 gp_Lin L1( Center, dir1 );
182 gp_Lin L2( Center, dir2 );
183 if(L1.Distance(AttachmentPoint) < L2.Distance(AttachmentPoint))
b8ddfc2f 184 {
185 EndOfArrow = FirstPoint; //***
186 DrawPosition = ElCLib::Value(ElCLib::Parameter( L1, AttachmentPoint ), L1);
187 }
7fd59977 188 else
b8ddfc2f 189 {
190 EndOfArrow = SecondPoint; //***
191 DrawPosition = ElCLib::Value(ElCLib::Parameter( L2, AttachmentPoint ), L2);
192 }
7fd59977 193 }
7fd59977 194 }
195 else {
196 EndOfArrow = ElCLib::Value(parEndOfArrow, aCircle);
197 DrawPosition = AttachmentPoint;
198 }
7fd59977 199
b8ddfc2f 200 Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2);
201 aPrims->AddVertex(DrawPosition);
202 aPrims->AddVertex(EndOfArrow);
203 Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims);
7fd59977 204
205 // text
206 TCollection_ExtendedString Text = aText;
207 if(IsDiamSymbol)
208 Text = TCollection_ExtendedString("\330 ") + Text;// => \330 | \370?
209 Prs3d_Text::Draw(aPresentation,LA->TextAspect(),Text,DrawPosition);
210
b8ddfc2f 211 // Add presentation of arrow
7fd59977 212 gp_Dir DirOfArrow(gp_Vec(DrawPosition, EndOfArrow).XYZ());
b8ddfc2f 213 DsgPrs::ComputeSymbol(aPresentation, LA, EndOfArrow, EndOfArrow, DirOfArrow, DirOfArrow, ArrowPrs);
7fd59977 214}