0023634: Eliminate Polyline and Polygon usage in drawers
[occt.git] / src / DsgPrs / DsgPrs_RadiusPresentation.cxx
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b311480e 1// Created on: 1995-03-01
2// Created by: Arnaud BOUZY
3// Copyright (c) 1995-1999 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 20-feb-98 by <SZY>
22// Sergei Zaritchny
23
24#include <DsgPrs_RadiusPresentation.ixx>
25#include <gp_Lin.hxx>
26#include <gp_Dir.hxx>
27#include <gp_Circ.hxx>
28#include <ElCLib.hxx>
29#include <Graphic3d_Group.hxx>
b8ddfc2f 30#include <Graphic3d_ArrayOfSegments.hxx>
7fd59977 31#include <Prs3d_Arrow.hxx>
32#include <Prs3d_ArrowAspect.hxx>
33#include <Prs3d_LineAspect.hxx>
34#include <Prs3d_LengthAspect.hxx>
35#include <Prs3d_Text.hxx>
36
37#include <Graphic3d_Vertex.hxx>
38#include <Graphic3d_AspectMarker3d.hxx>
39#include <Graphic3d_AspectLine3d.hxx>
40#include <Aspect_TypeOfLine.hxx>
41#include <Aspect_TypeOfMarker.hxx>
42#include <Aspect_AspectMarker.hxx>
43#include <Quantity_Color.hxx>
44#include <DsgPrs.hxx>
45#include <Precision.hxx>
46#include <gce_MakeLin.hxx>
47#include <gce_MakeDir.hxx>
48
49
50static Standard_Boolean DsgPrs_InDomain(const Standard_Real fpar,
b8ddfc2f 51 const Standard_Real lpar,
52 const Standard_Real para)
7fd59977 53{
b8ddfc2f 54 if (fpar >= 0.)
7fd59977 55 return ((para >= fpar) && (para <= lpar));
b8ddfc2f 56 if (para >= (fpar+2.*M_PI)) return Standard_True;
7fd59977 57 if (para <= lpar) return Standard_True;
58 return Standard_False;
59}
60
61//=======================================================================
62//function : Add
63//purpose :
64//=======================================================================
65
66void DsgPrs_RadiusPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation,
67 const Handle(Prs3d_Drawer)& aDrawer,
68 const TCollection_ExtendedString& aText,
69 const gp_Pnt& AttachmentPoint,
70 const gp_Circ& aCircle,
71 const Standard_Real firstparam,
72 const Standard_Real lastparam,
73 const Standard_Boolean drawFromCenter,
74 const Standard_Boolean reverseArrow)
75{
76 Standard_Real fpara = firstparam;
77 Standard_Real lpara = lastparam;
b8ddfc2f 78 while (lpara > 2.*M_PI) {
79 fpara -= 2.*M_PI;
80 lpara -= 2.*M_PI;
7fd59977 81 }
82 Handle(Prs3d_LengthAspect) LA = aDrawer->LengthAspect();
83 Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
b8ddfc2f 84
7fd59977 85 Standard_Real parat = ElCLib::Parameter(aCircle,AttachmentPoint);
86 gp_Pnt attpoint = AttachmentPoint;
87 Standard_Boolean otherside = Standard_False;
88 if ( !DsgPrs_InDomain(fpara,lpara,parat)) {
c6541a0c 89 Standard_Real otherpar = parat + M_PI;
b8ddfc2f 90 if (otherpar > 2.*M_PI) otherpar -= 2.*M_PI;
7fd59977 91 if (DsgPrs_InDomain(fpara,lpara,otherpar)) {
92 parat = otherpar;
93 otherside = Standard_True;
94 }
95 else {
b8ddfc2f 96 const Standard_Real ecartpar = Min(Abs(fpara-parat),Abs(lpara-parat));
97 const Standard_Real ecartoth = Min(Abs(fpara-otherpar),Abs(lpara-otherpar));
7fd59977 98 if (ecartpar <= ecartoth) {
b8ddfc2f 99 parat = (parat < fpara)? fpara : lpara;
7fd59977 100 }
101 else {
b8ddfc2f 102 otherside = Standard_True;
103 parat = (otherpar < fpara)? fpara : lpara;
7fd59977 104 }
105 gp_Pnt ptdir = ElCLib::Value(parat,aCircle);
b8ddfc2f 106 gp_Lin lsup(aCircle.Location(),gp_Dir(ptdir.XYZ()-aCircle.Location().XYZ()));
107 const Standard_Real parpos = ElCLib::Parameter(lsup,AttachmentPoint);
7fd59977 108 attpoint = ElCLib::Value(parpos,lsup);
109 }
110 }
111 gp_Pnt ptoncirc = ElCLib::Value(parat,aCircle);
112 gp_Lin L (aCircle.Location(),gp_Dir(attpoint.XYZ()-aCircle.Location().XYZ()));
113 gp_Pnt firstpoint = attpoint;
114 gp_Pnt drawtopoint = ptoncirc;
115 if (drawFromCenter && !otherside) {
b8ddfc2f 116 const Standard_Real uatt = ElCLib::Parameter(L,attpoint);
117 const Standard_Real uptc = ElCLib::Parameter(L,ptoncirc);
118 if (Abs(uatt) > Abs(uptc))
7fd59977 119 drawtopoint = aCircle.Location();
b8ddfc2f 120 else
7fd59977 121 firstpoint = aCircle.Location();
7fd59977 122 }
123
b8ddfc2f 124 Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2);
125 aPrims->AddVertex(firstpoint);
126 aPrims->AddVertex(drawtopoint);
127 Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims);
7fd59977 128
129 gp_Dir arrdir = L.Direction();
b8ddfc2f 130 if (reverseArrow)
7fd59977 131 arrdir.Reverse();
b8ddfc2f 132
7fd59977 133 // fleche
b8ddfc2f 134 Prs3d_Arrow::Draw(aPresentation,ptoncirc,arrdir,LA->Arrow1Aspect()->Angle(),LA->Arrow1Aspect()->Length());
7fd59977 135
136 // texte
137 Prs3d_Text::Draw(aPresentation,LA->TextAspect(),aText,attpoint);
7fd59977 138}
139
140//=======================================================================
141//function : DsgPrs_RadiusPresentation::Add
142//purpose : SZY 20-february-98
143// : adds radius representation according drawFromCenter value
144//=======================================================================
145
146void DsgPrs_RadiusPresentation::Add( const Handle(Prs3d_Presentation)& aPresentation,
147 const Handle(Prs3d_Drawer)& aDrawer,
148 const TCollection_ExtendedString& aText,
149 const gp_Pnt& AttachmentPoint,
150 const gp_Pnt& Center,
151 const gp_Pnt& EndOfArrow,
152 const DsgPrs_ArrowSide ArrowPrs,
153 const Standard_Boolean drawFromCenter,
154 const Standard_Boolean reverseArrow)
155{
156 Handle( Prs3d_LengthAspect ) LA = aDrawer->LengthAspect();
157 Prs3d_Root::CurrentGroup( aPresentation )->SetPrimitivesAspect( LA->LineAspect()->Aspect() );
158
b8ddfc2f 159 gp_Pnt LineOrigin, LineEnd;
160 DsgPrs::ComputeRadiusLine(Center, EndOfArrow, AttachmentPoint, drawFromCenter, LineOrigin, LineEnd);
7fd59977 161
b8ddfc2f 162 Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2);
163 aPrims->AddVertex(LineOrigin);
164 aPrims->AddVertex(LineEnd);
165 Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims);
7fd59977 166
7fd59977 167 // text
168 Prs3d_Text::Draw( aPresentation, LA->TextAspect(), aText, AttachmentPoint );
169
170 gp_Dir ArrowDir = gce_MakeDir( LineOrigin , LineEnd );
171 if (reverseArrow)
172 ArrowDir.Reverse();
b8ddfc2f 173 DsgPrs::ComputeSymbol( aPresentation, LA, Center, EndOfArrow, ArrowDir.Reversed(), ArrowDir, ArrowPrs, drawFromCenter );
7fd59977 174}