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1 | // Created on: 1995-03-01 |
2 | // Created by: Arnaud BOUZY |
3 | // Copyright (c) 1995-1999 Matra Datavision |
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4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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5 | // |
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6 | // This file is part of Open CASCADE Technology software library. |
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7 | // |
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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 |
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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. |
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13 | // |
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14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
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16 | |
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17 | //modified 20-feb-98 by <SZY> |
18 | // Sergei Zaritchny |
19 | |
20 | #include <DsgPrs_RadiusPresentation.ixx> |
21 | #include <gp_Lin.hxx> |
22 | #include <gp_Dir.hxx> |
23 | #include <gp_Circ.hxx> |
24 | #include <ElCLib.hxx> |
25 | #include <Graphic3d_Group.hxx> |
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26 | #include <Graphic3d_ArrayOfSegments.hxx> |
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27 | #include <Prs3d_Arrow.hxx> |
28 | #include <Prs3d_ArrowAspect.hxx> |
29 | #include <Prs3d_LineAspect.hxx> |
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30 | #include <Prs3d_DimensionAspect.hxx> |
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31 | #include <Prs3d_Text.hxx> |
32 | |
33 | #include <Graphic3d_Vertex.hxx> |
34 | #include <Graphic3d_AspectMarker3d.hxx> |
35 | #include <Graphic3d_AspectLine3d.hxx> |
36 | #include <Aspect_TypeOfLine.hxx> |
37 | #include <Aspect_TypeOfMarker.hxx> |
38 | #include <Aspect_AspectMarker.hxx> |
39 | #include <Quantity_Color.hxx> |
40 | #include <DsgPrs.hxx> |
41 | #include <Precision.hxx> |
42 | #include <gce_MakeLin.hxx> |
43 | #include <gce_MakeDir.hxx> |
44 | |
45 | |
46 | static Standard_Boolean DsgPrs_InDomain(const Standard_Real fpar, |
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47 | const Standard_Real lpar, |
48 | const Standard_Real para) |
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49 | { |
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50 | if (fpar >= 0.) |
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51 | return ((para >= fpar) && (para <= lpar)); |
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52 | if (para >= (fpar+2.*M_PI)) return Standard_True; |
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53 | if (para <= lpar) return Standard_True; |
54 | return Standard_False; |
55 | } |
56 | |
57 | //======================================================================= |
58 | //function : Add |
59 | //purpose : |
60 | //======================================================================= |
61 | |
62 | void DsgPrs_RadiusPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation, |
63 | const Handle(Prs3d_Drawer)& aDrawer, |
64 | const TCollection_ExtendedString& aText, |
65 | const gp_Pnt& AttachmentPoint, |
66 | const gp_Circ& aCircle, |
67 | const Standard_Real firstparam, |
68 | const Standard_Real lastparam, |
69 | const Standard_Boolean drawFromCenter, |
70 | const Standard_Boolean reverseArrow) |
71 | { |
72 | Standard_Real fpara = firstparam; |
73 | Standard_Real lpara = lastparam; |
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74 | while (lpara > 2.*M_PI) { |
75 | fpara -= 2.*M_PI; |
76 | lpara -= 2.*M_PI; |
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77 | } |
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78 | Handle(Prs3d_DimensionAspect) LA = aDrawer->DimensionAspect(); |
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79 | Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect()); |
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80 | |
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81 | Standard_Real parat = ElCLib::Parameter(aCircle,AttachmentPoint); |
82 | gp_Pnt attpoint = AttachmentPoint; |
83 | Standard_Boolean otherside = Standard_False; |
84 | if ( !DsgPrs_InDomain(fpara,lpara,parat)) { |
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85 | Standard_Real otherpar = parat + M_PI; |
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86 | if (otherpar > 2.*M_PI) otherpar -= 2.*M_PI; |
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87 | if (DsgPrs_InDomain(fpara,lpara,otherpar)) { |
88 | parat = otherpar; |
89 | otherside = Standard_True; |
90 | } |
91 | else { |
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92 | const Standard_Real ecartpar = Min(Abs(fpara-parat),Abs(lpara-parat)); |
93 | const Standard_Real ecartoth = Min(Abs(fpara-otherpar),Abs(lpara-otherpar)); |
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94 | if (ecartpar <= ecartoth) { |
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95 | parat = (parat < fpara)? fpara : lpara; |
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96 | } |
97 | else { |
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98 | otherside = Standard_True; |
99 | parat = (otherpar < fpara)? fpara : lpara; |
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100 | } |
101 | gp_Pnt ptdir = ElCLib::Value(parat,aCircle); |
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102 | gp_Lin lsup(aCircle.Location(),gp_Dir(ptdir.XYZ()-aCircle.Location().XYZ())); |
103 | const Standard_Real parpos = ElCLib::Parameter(lsup,AttachmentPoint); |
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104 | attpoint = ElCLib::Value(parpos,lsup); |
105 | } |
106 | } |
107 | gp_Pnt ptoncirc = ElCLib::Value(parat,aCircle); |
108 | gp_Lin L (aCircle.Location(),gp_Dir(attpoint.XYZ()-aCircle.Location().XYZ())); |
109 | gp_Pnt firstpoint = attpoint; |
110 | gp_Pnt drawtopoint = ptoncirc; |
111 | if (drawFromCenter && !otherside) { |
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112 | const Standard_Real uatt = ElCLib::Parameter(L,attpoint); |
113 | const Standard_Real uptc = ElCLib::Parameter(L,ptoncirc); |
114 | if (Abs(uatt) > Abs(uptc)) |
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115 | drawtopoint = aCircle.Location(); |
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116 | else |
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117 | firstpoint = aCircle.Location(); |
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118 | } |
119 | |
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120 | Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2); |
121 | aPrims->AddVertex(firstpoint); |
122 | aPrims->AddVertex(drawtopoint); |
123 | Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims); |
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124 | |
125 | gp_Dir arrdir = L.Direction(); |
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126 | if (reverseArrow) |
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127 | arrdir.Reverse(); |
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128 | |
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129 | // fleche |
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130 | Prs3d_Arrow::Draw(aPresentation,ptoncirc,arrdir,LA->ArrowAspect()->Angle(),LA->ArrowAspect()->Length()); |
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131 | |
132 | // texte |
133 | Prs3d_Text::Draw(aPresentation,LA->TextAspect(),aText,attpoint); |
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134 | } |
135 | |
136 | //======================================================================= |
137 | //function : DsgPrs_RadiusPresentation::Add |
138 | //purpose : SZY 20-february-98 |
139 | // : adds radius representation according drawFromCenter value |
140 | //======================================================================= |
141 | |
142 | void DsgPrs_RadiusPresentation::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_Pnt& Center, |
147 | const gp_Pnt& EndOfArrow, |
148 | const DsgPrs_ArrowSide ArrowPrs, |
149 | const Standard_Boolean drawFromCenter, |
150 | const Standard_Boolean reverseArrow) |
151 | { |
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152 | Handle( Prs3d_DimensionAspect ) LA = aDrawer->DimensionAspect(); |
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153 | Prs3d_Root::CurrentGroup( aPresentation )->SetPrimitivesAspect( LA->LineAspect()->Aspect() ); |
154 | |
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155 | gp_Pnt LineOrigin, LineEnd; |
156 | DsgPrs::ComputeRadiusLine(Center, EndOfArrow, AttachmentPoint, drawFromCenter, LineOrigin, LineEnd); |
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157 | |
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158 | Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2); |
159 | aPrims->AddVertex(LineOrigin); |
160 | aPrims->AddVertex(LineEnd); |
161 | Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims); |
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162 | |
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163 | // text |
164 | Prs3d_Text::Draw( aPresentation, LA->TextAspect(), aText, AttachmentPoint ); |
165 | |
166 | gp_Dir ArrowDir = gce_MakeDir( LineOrigin , LineEnd ); |
167 | if (reverseArrow) |
168 | ArrowDir.Reverse(); |
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169 | DsgPrs::ComputeSymbol( aPresentation, LA, Center, EndOfArrow, ArrowDir.Reversed(), ArrowDir, ArrowPrs, drawFromCenter ); |
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170 | } |