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b311480e | 1 | // Created on: 1996-08-21 |
2 | // Created by: Jacques MINOT | |
3 | // Copyright (c) 1996-1999 Matra Datavision | |
973c2be1 | 4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
b311480e | 5 | // |
973c2be1 | 6 | // This file is part of Open CASCADE Technology software library. |
b311480e | 7 | // |
d5f74e42 | 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 | |
973c2be1 | 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. | |
b311480e | 13 | // |
973c2be1 | 14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. | |
b311480e | 16 | |
b6472664 | 17 | #include <DsgPrs_DiameterPresentation.hxx> |
7fd59977 | 18 | |
42cf5bc1 | 19 | #include <DsgPrs.hxx> |
42cf5bc1 | 20 | #include <ElCLib.hxx> |
21 | #include <gp_Circ.hxx> | |
7fd59977 | 22 | #include <gp_Dir.hxx> |
23 | #include <gp_Pnt.hxx> | |
24 | #include <gp_Vec.hxx> | |
42cf5bc1 | 25 | #include <Graphic3d_ArrayOfSegments.hxx> |
7fd59977 | 26 | #include <Graphic3d_AspectLine3d.hxx> |
42cf5bc1 | 27 | #include <Graphic3d_AspectMarker3d.hxx> |
28 | #include <Graphic3d_Group.hxx> | |
42cf5bc1 | 29 | #include <Prs3d_Arrow.hxx> |
30 | #include <Prs3d_ArrowAspect.hxx> | |
31 | #include <Prs3d_DimensionAspect.hxx> | |
32 | #include <Prs3d_LineAspect.hxx> | |
33 | #include <Prs3d_Presentation.hxx> | |
34 | #include <Prs3d_Text.hxx> | |
35 | #include <Prs3d_TextAspect.hxx> | |
42cf5bc1 | 36 | #include <TCollection_ExtendedString.hxx> |
7fd59977 | 37 | |
38 | //========================================================================== | |
39 | // function : DsgPrs_DiameterPresentation::Add | |
81bba717 | 40 | // purpose : it is possible to choose the symbol of extremities of the face (arrow, point ...) |
7fd59977 | 41 | //========================================================================== |
42 | void DsgPrs_DiameterPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation, | |
43 | const Handle(Prs3d_Drawer)& aDrawer, | |
44 | const TCollection_ExtendedString& aText, | |
45 | const gp_Pnt& AttachmentPoint, | |
46 | const gp_Circ& aCircle, | |
47 | const DsgPrs_ArrowSide ArrowPrs, | |
48 | const Standard_Boolean IsDiamSymbol ) | |
49 | { | |
a6eb515f | 50 | Handle(Prs3d_DimensionAspect) LA = aDrawer->DimensionAspect(); |
7fd59977 | 51 | Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect()); |
52 | ||
53 | Standard_Real parat = ElCLib::Parameter(aCircle, AttachmentPoint); | |
54 | gp_Pnt ptoncirc = ElCLib::Value (parat, aCircle); | |
55 | ||
81bba717 | 56 | // sideline |
7fd59977 | 57 | gp_Pnt center = aCircle.Location(); |
58 | gp_Vec vecrap (ptoncirc,center); | |
59 | ||
60 | Standard_Real dist = center.Distance(AttachmentPoint); | |
61 | Standard_Real aRadius = aCircle.Radius(); | |
b8ddfc2f | 62 | Standard_Boolean inside = (dist < aRadius); |
7fd59977 | 63 | |
64 | gp_Pnt pt1 = AttachmentPoint; | |
b8ddfc2f | 65 | if (inside) { |
7fd59977 | 66 | pt1 = ptoncirc; |
67 | dist = aRadius; | |
7fd59977 | 68 | } |
69 | vecrap.Normalize(); | |
70 | vecrap *= (dist+aRadius); | |
b8ddfc2f | 71 | gp_Pnt OppositePoint = pt1.Translated(vecrap); |
7fd59977 | 72 | |
b8ddfc2f | 73 | Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2); |
74 | aPrims->AddVertex(pt1); | |
75 | aPrims->AddVertex(OppositePoint); | |
76 | Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims); | |
7fd59977 | 77 | |
78 | // value | |
79 | TCollection_ExtendedString Text = aText; | |
80 | if(IsDiamSymbol) | |
81 | Text = TCollection_ExtendedString("\330 ") + aText; // VRO (2007-05-17) inserted a blank. | |
4ad142d9 | 82 | Prs3d_Text::Draw (Prs3d_Root::CurrentGroup (aPresentation), LA->TextAspect(), Text, AttachmentPoint); |
7fd59977 | 83 | |
84 | // arrows | |
7fd59977 | 85 | gp_Dir arrdir (vecrap); |
86 | if (inside) arrdir.Reverse(); | |
87 | ||
7fd59977 | 88 | gp_Vec vecrap2 = vecrap; |
89 | gp_Pnt ptoncirc2 = ptoncirc; | |
90 | gp_Dir arrdir2 = arrdir; | |
91 | vecrap2.Normalize(); | |
92 | vecrap2 *= (aCircle.Radius() * 2.); | |
93 | ptoncirc2.Translate (vecrap2); | |
94 | arrdir2.Reverse(); | |
95 | ||
96 | DsgPrs::ComputeSymbol(aPresentation,LA,ptoncirc,ptoncirc2,arrdir,arrdir2,ArrowPrs); | |
97 | } | |
98 | ||
99 | ||
100 | static Standard_Boolean DsgPrs_InDomain(const Standard_Real fpar, | |
101 | const Standard_Real lpar, | |
102 | const Standard_Real para) | |
103 | { | |
104 | if (fpar >= 0.) { | |
105 | if(lpar > fpar) | |
106 | return ((para >= fpar) && (para <= lpar)); | |
107 | else { // fpar > lpar | |
b8ddfc2f | 108 | Standard_Real delta = 2.*M_PI-fpar; |
7fd59977 | 109 | Standard_Real lp, par, fp; |
110 | lp = lpar + delta; | |
111 | par = para + delta; | |
c6541a0c D |
112 | while(lp > 2*M_PI) lp-=2*M_PI; |
113 | while(par > 2*M_PI) par-=2*M_PI; | |
7fd59977 | 114 | fp = 0.; |
115 | return ((par >= fp) && (par <= lp)); | |
116 | } | |
7fd59977 | 117 | } |
c6541a0c | 118 | if (para >= (fpar+2*M_PI)) return Standard_True; |
7fd59977 | 119 | if (para <= lpar) return Standard_True; |
120 | return Standard_False; | |
121 | } | |
122 | ||
123 | ||
124 | //======================================================================= | |
125 | //function : DsgPrs_DiameterPresentation::Add | |
126 | //purpose : SZY 12-february-98 | |
127 | //======================================================================= | |
128 | ||
129 | void DsgPrs_DiameterPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation, | |
130 | const Handle(Prs3d_Drawer)& aDrawer, | |
131 | const TCollection_ExtendedString& aText, | |
132 | const gp_Pnt& AttachmentPoint, | |
133 | const gp_Circ& aCircle, | |
134 | const Standard_Real uFirst, | |
135 | const Standard_Real uLast, | |
136 | const DsgPrs_ArrowSide ArrowPrs,//ArrowSide | |
137 | const Standard_Boolean IsDiamSymbol ) | |
138 | { | |
139 | Standard_Real fpara = uFirst; | |
140 | Standard_Real lpara = uLast; | |
b8ddfc2f | 141 | while (lpara > 2.*M_PI) { |
142 | fpara -= 2.*M_PI; | |
143 | lpara -= 2.*M_PI; | |
7fd59977 | 144 | } |
145 | ||
a6eb515f | 146 | Handle(Prs3d_DimensionAspect) LA = aDrawer->DimensionAspect(); |
7fd59977 | 147 | Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect()); |
b8ddfc2f | 148 | Standard_Real parEndOfArrow = ElCLib::Parameter(aCircle,AttachmentPoint); |
7fd59977 | 149 | gp_Pnt EndOfArrow; |
81bba717 | 150 | gp_Pnt DrawPosition = AttachmentPoint;// point of attachment |
7fd59977 | 151 | |
152 | gp_Pnt Center = aCircle.Location(); | |
153 | gp_Pnt FirstPoint = ElCLib::Value(uFirst, aCircle); | |
154 | gp_Pnt SecondPoint = ElCLib::Value(uLast, aCircle); | |
155 | ||
156 | if ( !DsgPrs_InDomain(fpara,lpara,parEndOfArrow)) { | |
c6541a0c D |
157 | Standard_Real otherpar = parEndOfArrow + M_PI;// not in domain |
158 | if (otherpar > 2*M_PI) otherpar -= 2*M_PI; | |
7fd59977 | 159 | if (DsgPrs_InDomain(fpara,lpara,otherpar)) { |
160 | parEndOfArrow = otherpar; // parameter on circle | |
161 | EndOfArrow = ElCLib::Value(parEndOfArrow, aCircle); | |
7fd59977 | 162 | } |
163 | else { | |
164 | gp_Dir dir1(gp_Vec(Center, FirstPoint)); | |
165 | gp_Dir dir2(gp_Vec(Center, SecondPoint)); | |
166 | gp_Lin L1( Center, dir1 ); | |
167 | gp_Lin L2( Center, dir2 ); | |
168 | if(L1.Distance(AttachmentPoint) < L2.Distance(AttachmentPoint)) | |
b8ddfc2f | 169 | { |
170 | EndOfArrow = FirstPoint; //*** | |
171 | DrawPosition = ElCLib::Value(ElCLib::Parameter( L1, AttachmentPoint ), L1); | |
172 | } | |
7fd59977 | 173 | else |
b8ddfc2f | 174 | { |
175 | EndOfArrow = SecondPoint; //*** | |
176 | DrawPosition = ElCLib::Value(ElCLib::Parameter( L2, AttachmentPoint ), L2); | |
177 | } | |
7fd59977 | 178 | } |
7fd59977 | 179 | } |
180 | else { | |
181 | EndOfArrow = ElCLib::Value(parEndOfArrow, aCircle); | |
182 | DrawPosition = AttachmentPoint; | |
183 | } | |
7fd59977 | 184 | |
b8ddfc2f | 185 | Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2); |
186 | aPrims->AddVertex(DrawPosition); | |
187 | aPrims->AddVertex(EndOfArrow); | |
188 | Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims); | |
7fd59977 | 189 | |
190 | // text | |
191 | TCollection_ExtendedString Text = aText; | |
192 | if(IsDiamSymbol) | |
193 | Text = TCollection_ExtendedString("\330 ") + Text;// => \330 | \370? | |
4ad142d9 | 194 | Prs3d_Text::Draw (Prs3d_Root::CurrentGroup (aPresentation), LA->TextAspect(), Text, DrawPosition); |
7fd59977 | 195 | |
b8ddfc2f | 196 | // Add presentation of arrow |
7fd59977 | 197 | gp_Dir DirOfArrow(gp_Vec(DrawPosition, EndOfArrow).XYZ()); |
b8ddfc2f | 198 | DsgPrs::ComputeSymbol(aPresentation, LA, EndOfArrow, EndOfArrow, DirOfArrow, DirOfArrow, ArrowPrs); |
7fd59977 | 199 | } |