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1 | // Created on: 2013-11-11 |
2 | // Created by: Anastasia BORISOVA |
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3 | // Copyright (c) 2013-2014 OPEN CASCADE SAS |
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4 | // |
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5 | // This file is part of Open CASCADE Technology software library. |
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6 | // |
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7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
11 | // distribution for complete text of the license and disclaimer of any warranty. |
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12 | // |
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13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
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15 | |
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16 | #include <AIS_Dimension.hxx> |
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17 | |
18 | #include <AIS.hxx> |
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19 | #include <AIS_DimensionOwner.hxx> |
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20 | #include <Adaptor3d_HCurve.hxx> |
21 | #include <BRepAdaptor_Curve.hxx> |
22 | #include <BRepAdaptor_Surface.hxx> |
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23 | #include <BRepBndLib.hxx> |
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24 | #include <Bnd_Box.hxx> |
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25 | #include <ElCLib.hxx> |
26 | #include <Font_BRepFont.hxx> |
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27 | #include <Font_BRepTextBuilder.hxx> |
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28 | #include <GC_MakeCircle.hxx> |
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29 | #include <Geom_Line.hxx> |
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30 | #include <GeomAdaptor_Curve.hxx> |
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31 | #include <Geom_Circle.hxx> |
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32 | #include <Geom_TrimmedCurve.hxx> |
33 | #include <gce_MakeDir.hxx> |
34 | #include <gce_MakeLin.hxx> |
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35 | #include <gce_MakePln.hxx> |
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36 | #include <Graphic3d_ArrayOfSegments.hxx> |
37 | #include <Graphic3d_ArrayOfTriangles.hxx> |
38 | #include <Graphic3d_AspectLine3d.hxx> |
39 | #include <Graphic3d_AspectFillArea3d.hxx> |
40 | #include <Graphic3d_AspectText3d.hxx> |
41 | #include <Graphic3d_Group.hxx> |
42 | #include <PrsMgr_PresentationManager3d.hxx> |
43 | #include <Prs3d_Arrow.hxx> |
44 | #include <Prs3d_ArrowAspect.hxx> |
45 | #include <Prs3d_Drawer.hxx> |
46 | #include <Prs3d_LineAspect.hxx> |
47 | #include <Prs3d_Presentation.hxx> |
48 | #include <Prs3d_Root.hxx> |
49 | #include <Prs3d_ShadingAspect.hxx> |
50 | #include <Prs3d_Text.hxx> |
51 | #include <SelectMgr_EntityOwner.hxx> |
52 | #include <SelectMgr_Selection.hxx> |
53 | #include <SelectMgr_SequenceOfOwner.hxx> |
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54 | #include <Select3D_SensitiveCircle.hxx> |
55 | #include <Select3D_SensitiveGroup.hxx> |
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56 | #include <Select3D_SensitiveCurve.hxx> |
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57 | #include <Select3D_SensitiveSegment.hxx> |
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58 | #include <Select3D_SensitiveTriangle.hxx> |
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59 | #include <Select3D_SensitiveTriangulation.hxx> |
60 | #include <Poly_Array1OfTriangle.hxx> |
61 | #include <Poly_Triangulation.hxx> |
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62 | #include <Standard_CString.hxx> |
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63 | #include <Standard_ProgramError.hxx> |
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64 | #include <StdPrs_ShadedShape.hxx> |
65 | #include <StdPrs_WFShape.hxx> |
66 | #include <TCollection_AsciiString.hxx> |
67 | #include <TCollection_ExtendedString.hxx> |
68 | #include <TopExp_Explorer.hxx> |
69 | #include <TopoDS.hxx> |
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70 | #include <TopoDS_Edge.hxx> |
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71 | #include <TopoDS_Vertex.hxx> |
72 | #include <Units.hxx> |
73 | #include <Units_UnitsDictionary.hxx> |
74 | #include <UnitsAPI.hxx> |
75 | #include <UnitsAPI_SystemUnits.hxx> |
76 | |
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77 | |
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78 | IMPLEMENT_STANDARD_RTTIEXT(AIS_Dimension,AIS_InteractiveObject) |
79 | |
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80 | namespace |
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81 | { |
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82 | // default text strings |
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83 | static const TCollection_ExtendedString THE_EMPTY_LABEL; |
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84 | static const TCollection_AsciiString THE_UNDEFINED_UNITS; |
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85 | |
86 | // default text margin and resolution |
87 | static const Standard_Real THE_3D_TEXT_MARGIN = 0.1; |
88 | static const unsigned int THE_2D_TEXT_RESOLUTION = 72; |
89 | |
90 | // default selection priorities |
91 | static const Standard_Integer THE_NEUTRAL_SEL_PRIORITY = 5; |
92 | static const Standard_Integer THE_LOCAL_SEL_PRIORITY = 6; |
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93 | } |
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94 | |
95 | //======================================================================= |
96 | //function : Constructor |
97 | //purpose : |
98 | //======================================================================= |
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99 | AIS_Dimension::AIS_Dimension (const AIS_KindOfDimension theType) |
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100 | : AIS_InteractiveObject (), |
101 | mySelToleranceForText2d(0.0), |
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102 | myValueType (ValueType_Computed), |
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103 | myCustomValue (0.0), |
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104 | myCustomStringValue (), |
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105 | myIsTextPositionFixed (Standard_False), |
106 | mySpecialSymbol (' '), |
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107 | myDisplaySpecialSymbol (AIS_DSS_No), |
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108 | myGeometryType (GeometryType_UndefShapes), |
109 | myIsPlaneCustom (Standard_False), |
110 | myFlyout (0.0), |
111 | myIsGeometryValid (Standard_False), |
112 | myKindOfDimension (theType) |
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113 | { |
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114 | } |
115 | |
116 | //======================================================================= |
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117 | //function : SetCustomValue |
118 | //purpose : |
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119 | //======================================================================= |
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120 | void AIS_Dimension::SetCustomValue (const Standard_Real theValue) |
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121 | { |
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122 | if (myValueType == ValueType_CustomReal && myCustomValue == theValue) |
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123 | { |
124 | return; |
125 | } |
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126 | |
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127 | myValueType = ValueType_CustomReal; |
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128 | myCustomValue = theValue; |
129 | |
130 | SetToUpdate(); |
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131 | } |
132 | |
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133 | //======================================================================= |
134 | //function : SetCustomValue |
135 | //purpose : |
136 | //======================================================================= |
137 | void AIS_Dimension::SetCustomValue (const TCollection_ExtendedString& theValue) |
138 | { |
139 | if (myValueType == ValueType_CustomText && myCustomStringValue == theValue) |
140 | { |
141 | return; |
142 | } |
143 | |
144 | myValueType = ValueType_CustomText; |
145 | myCustomStringValue = theValue; |
146 | |
147 | SetToUpdate(); |
148 | } |
149 | |
150 | //======================================================================= |
151 | //function : GetCustomValue |
152 | //purpose : |
153 | //======================================================================= |
154 | const TCollection_ExtendedString& AIS_Dimension::GetCustomValue () const |
155 | { |
156 | return myCustomStringValue; |
157 | } |
158 | |
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159 | //======================================================================= |
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160 | //function : GetPlane |
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161 | //purpose : |
162 | //======================================================================= |
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163 | const gp_Pln& AIS_Dimension::GetPlane() const |
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164 | { |
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165 | return myPlane; |
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166 | } |
167 | |
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168 | //======================================================================= |
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169 | //function : SetUserPlane |
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170 | //purpose : |
171 | //======================================================================= |
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172 | void AIS_Dimension::SetCustomPlane (const gp_Pln& thePlane) |
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173 | { |
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174 | myPlane = thePlane; |
175 | myIsPlaneCustom = Standard_True; |
176 | |
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177 | // Disable fixed (custom) text position |
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178 | UnsetFixedTextPosition(); |
179 | |
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180 | // Check validity if geometry has been set already. |
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181 | if (IsValid()) |
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182 | { |
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183 | SetToUpdate(); |
184 | } |
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185 | } |
186 | |
187 | //======================================================================= |
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188 | //function : SetDimensionAspect |
189 | //purpose : |
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190 | //======================================================================= |
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191 | void AIS_Dimension::SetDimensionAspect (const Handle(Prs3d_DimensionAspect)& theDimensionAspect) |
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192 | { |
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193 | myDrawer->SetDimensionAspect (theDimensionAspect); |
194 | |
195 | SetToUpdate(); |
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196 | } |
197 | |
198 | //======================================================================= |
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199 | //function : SetDisplaySpecialSymbol |
200 | //purpose : |
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201 | //======================================================================= |
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202 | void AIS_Dimension::SetDisplaySpecialSymbol (const AIS_DisplaySpecialSymbol theDisplaySpecSymbol) |
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203 | { |
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204 | if (myDisplaySpecialSymbol == theDisplaySpecSymbol) |
205 | { |
206 | return; |
207 | } |
208 | |
209 | myDisplaySpecialSymbol = theDisplaySpecSymbol; |
210 | |
211 | SetToUpdate(); |
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212 | } |
213 | |
214 | //======================================================================= |
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215 | //function : SetSpecialSymbol |
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216 | //purpose : |
217 | //======================================================================= |
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218 | void AIS_Dimension::SetSpecialSymbol (const Standard_ExtCharacter theSpecialSymbol) |
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219 | { |
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220 | if (mySpecialSymbol == theSpecialSymbol) |
221 | { |
222 | return; |
223 | } |
224 | |
225 | mySpecialSymbol = theSpecialSymbol; |
226 | |
227 | SetToUpdate(); |
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228 | } |
229 | |
230 | //======================================================================= |
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231 | //function : SetSelToleranceForText2d |
232 | //purpose : |
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233 | //======================================================================= |
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234 | void AIS_Dimension::SetSelToleranceForText2d (const Standard_Real theTol) |
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235 | { |
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236 | if (mySelToleranceForText2d == theTol) |
237 | { |
238 | return; |
239 | } |
240 | |
241 | mySelToleranceForText2d = theTol; |
242 | |
243 | SetToUpdate(); |
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244 | } |
245 | |
246 | //======================================================================= |
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247 | //function : SetFlyout |
248 | //purpose : |
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249 | //======================================================================= |
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250 | void AIS_Dimension::SetFlyout (const Standard_Real theFlyout) |
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251 | { |
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252 | if (myFlyout == theFlyout) |
253 | { |
254 | return; |
255 | } |
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256 | |
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257 | myFlyout = theFlyout; |
258 | |
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259 | // Disable fixed text position |
260 | UnsetFixedTextPosition(); |
261 | |
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262 | SetToUpdate(); |
263 | } |
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264 | |
265 | //======================================================================= |
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266 | //function : GetDisplayUnits |
267 | //purpose : |
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268 | //======================================================================= |
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269 | const TCollection_AsciiString& AIS_Dimension::GetDisplayUnits() const |
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270 | { |
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271 | return THE_UNDEFINED_UNITS; |
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272 | } |
273 | |
274 | //======================================================================= |
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275 | //function : GetModelUnits |
276 | //purpose : |
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277 | //======================================================================= |
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278 | const TCollection_AsciiString& AIS_Dimension::GetModelUnits() const |
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279 | { |
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280 | return THE_UNDEFINED_UNITS; |
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281 | } |
282 | |
283 | //======================================================================= |
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284 | //function : ValueToDisplayUnits |
285 | //purpose : |
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286 | //======================================================================= |
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287 | Standard_Real AIS_Dimension::ValueToDisplayUnits() const |
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288 | { |
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289 | return UnitsAPI::AnyToAny (GetValue(), |
290 | GetModelUnits().ToCString(), |
291 | GetDisplayUnits().ToCString()); |
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292 | } |
293 | |
294 | //======================================================================= |
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295 | //function : GetValueString |
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296 | //purpose : |
297 | //======================================================================= |
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298 | TCollection_ExtendedString AIS_Dimension::GetValueString (Standard_Real& theWidth) const |
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299 | { |
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300 | TCollection_ExtendedString aValueStr; |
301 | if (myValueType == ValueType_CustomText) |
302 | { |
303 | aValueStr = myCustomStringValue; |
304 | } |
305 | else |
306 | { |
307 | // format value string using "sprintf" |
308 | TCollection_AsciiString aFormatStr = myDrawer->DimensionAspect()->ValueStringFormat(); |
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309 | |
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310 | char aFmtBuffer[256]; |
311 | sprintf (aFmtBuffer, aFormatStr.ToCString(), ValueToDisplayUnits()); |
312 | aValueStr = TCollection_ExtendedString (aFmtBuffer); |
313 | } |
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314 | |
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315 | // add units to values string |
316 | if (myDrawer->DimensionAspect()->IsUnitsDisplayed()) |
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317 | { |
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318 | aValueStr += " "; |
319 | aValueStr += TCollection_ExtendedString (GetDisplayUnits()); |
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320 | } |
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321 | |
322 | switch (myDisplaySpecialSymbol) |
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323 | { |
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324 | case AIS_DSS_Before : aValueStr.Insert (1, mySpecialSymbol); break; |
325 | case AIS_DSS_After : aValueStr.Insert (aValueStr.Length() + 1, mySpecialSymbol); break; |
326 | case AIS_DSS_No : break; |
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327 | } |
328 | |
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329 | // Get text style parameters |
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330 | Handle(Prs3d_TextAspect) aTextAspect = myDrawer->DimensionAspect()->TextAspect(); |
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331 | NCollection_Utf8String anUTFString (aValueStr.ToExtString()); |
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332 | |
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333 | theWidth = 0.0; |
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334 | |
335 | if (myDrawer->DimensionAspect()->IsText3d()) |
336 | { |
337 | // text width produced by BRepFont |
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338 | Font_BRepFont aFont (aTextAspect->Aspect()->Font().ToCString(), |
339 | aTextAspect->Aspect()->GetTextFontAspect(), |
340 | aTextAspect->Height()); |
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341 | |
342 | for (NCollection_Utf8Iter anIter = anUTFString.Iterator(); *anIter != 0; ) |
343 | { |
344 | Standard_Utf32Char aCurrChar = *anIter; |
345 | Standard_Utf32Char aNextChar = *(++anIter); |
346 | theWidth += aFont.AdvanceX (aCurrChar, aNextChar); |
347 | } |
348 | } |
349 | else |
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350 | { |
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351 | // Text width for 1:1 scale 2D case |
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352 | Handle(Font_FTFont) aFont = new Font_FTFont(); |
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353 | aFont->Init (aTextAspect->Aspect()->Font().ToCString(), |
354 | aTextAspect->Aspect()->GetTextFontAspect(), |
355 | (const unsigned int)aTextAspect->Height(), |
356 | THE_2D_TEXT_RESOLUTION); |
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357 | |
358 | for (NCollection_Utf8Iter anIter = anUTFString.Iterator(); *anIter != 0; ) |
359 | { |
360 | Standard_Utf32Char aCurrChar = *anIter; |
361 | Standard_Utf32Char aNextChar = *(++anIter); |
362 | theWidth += (Standard_Real) aFont->AdvanceX (aCurrChar, aNextChar); |
363 | } |
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364 | } |
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365 | |
366 | return aValueStr; |
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367 | } |
368 | |
369 | //======================================================================= |
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370 | //function : DrawArrow |
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371 | //purpose : |
372 | //======================================================================= |
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373 | void AIS_Dimension::DrawArrow (const Handle(Prs3d_Presentation)& thePresentation, |
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374 | const gp_Pnt& theLocation, |
375 | const gp_Dir& theDirection) |
376 | { |
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377 | Handle(Graphic3d_Group) aGroup = Prs3d_Root::NewGroup (thePresentation); |
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378 | |
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379 | Standard_Real aLength = myDrawer->DimensionAspect()->ArrowAspect()->Length(); |
380 | Standard_Real anAngle = myDrawer->DimensionAspect()->ArrowAspect()->Angle(); |
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381 | |
382 | if (myDrawer->DimensionAspect()->IsArrows3d()) |
383 | { |
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384 | Prs3d_Arrow::Draw (aGroup, |
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385 | theLocation, |
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386 | theDirection, |
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387 | anAngle, |
388 | aLength); |
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389 | aGroup->SetGroupPrimitivesAspect (myDrawer->DimensionAspect()->ArrowAspect()->Aspect()); |
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390 | } |
391 | else |
392 | { |
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393 | gp_Pnt aLeftPoint (gp::Origin()); |
394 | gp_Pnt aRightPoint (gp::Origin()); |
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395 | const gp_Dir& aPlane = GetPlane().Axis().Direction(); |
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396 | |
397 | PointsForArrow (theLocation, theDirection, aPlane, aLength, anAngle, aLeftPoint, aRightPoint); |
398 | |
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399 | Handle(Graphic3d_ArrayOfTriangles) anArrow = new Graphic3d_ArrayOfTriangles(3); |
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400 | |
401 | anArrow->AddVertex (aLeftPoint); |
402 | anArrow->AddVertex (theLocation); |
403 | anArrow->AddVertex (aRightPoint); |
404 | |
405 | // Set aspect for arrow triangles |
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406 | Graphic3d_MaterialAspect aShadeMat (Graphic3d_NOM_DEFAULT); |
407 | aShadeMat.SetReflectionModeOff (Graphic3d_TOR_AMBIENT); |
408 | aShadeMat.SetReflectionModeOff (Graphic3d_TOR_DIFFUSE); |
409 | aShadeMat.SetReflectionModeOff (Graphic3d_TOR_SPECULAR); |
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410 | |
411 | Handle(Prs3d_ShadingAspect) aShadingStyle = new Prs3d_ShadingAspect(); |
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412 | aShadingStyle->SetColor (myDrawer->DimensionAspect()->ArrowAspect()->Aspect()->Color()); |
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413 | aShadingStyle->SetMaterial (aShadeMat); |
414 | |
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415 | aGroup->SetPrimitivesAspect (aShadingStyle->Aspect()); |
416 | aGroup->AddPrimitiveArray (anArrow); |
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417 | } |
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418 | |
419 | SelectionGeometry::Arrow& aSensitiveArrow = mySelectionGeom.NewArrow(); |
420 | aSensitiveArrow.Position = theLocation; |
421 | aSensitiveArrow.Direction = theDirection; |
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422 | } |
423 | |
424 | //======================================================================= |
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425 | //function : drawText |
426 | //purpose : |
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427 | //======================================================================= |
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428 | void AIS_Dimension::drawText (const Handle(Prs3d_Presentation)& thePresentation, |
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429 | const gp_Pnt& theTextPos, |
430 | const gp_Dir& theTextDir, |
431 | const TCollection_ExtendedString& theText, |
432 | const Standard_Integer theLabelPosition) |
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433 | { |
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434 | if (myDrawer->DimensionAspect()->IsText3d()) |
435 | { |
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436 | // getting font parameters |
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437 | Handle(Prs3d_TextAspect) aTextAspect = myDrawer->DimensionAspect()->TextAspect(); |
438 | Quantity_Color aColor = aTextAspect->Aspect()->Color(); |
439 | Font_FontAspect aFontAspect = aTextAspect->Aspect()->GetTextFontAspect(); |
440 | Standard_Real aFontHeight = aTextAspect->Height(); |
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441 | |
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442 | // creating TopoDS_Shape for text |
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443 | Font_BRepFont aFont (aTextAspect->Aspect()->Font().ToCString(), |
444 | aFontAspect, aFontHeight); |
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445 | NCollection_Utf8String anUTFString (theText.ToExtString()); |
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446 | |
447 | Font_BRepTextBuilder aBuilder; |
448 | TopoDS_Shape aTextShape = aBuilder.Perform (aFont, anUTFString); |
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449 | |
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450 | // compute text width with kerning |
451 | Standard_Real aTextWidth = 0.0; |
452 | Standard_Real aTextHeight = aFont.Ascender() + aFont.Descender(); |
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453 | |
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454 | for (NCollection_Utf8Iter anIter = anUTFString.Iterator(); *anIter != 0; ) |
455 | { |
456 | Standard_Utf32Char aCurrChar = *anIter; |
457 | Standard_Utf32Char aNextChar = *(++anIter); |
458 | aTextWidth += aFont.AdvanceX (aCurrChar, aNextChar); |
459 | } |
460 | |
461 | // formating text position in XOY plane |
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462 | Standard_Integer aHLabelPos = theLabelPosition & LabelPosition_HMask; |
463 | Standard_Integer aVLabelPos = theLabelPosition & LabelPosition_VMask; |
464 | |
465 | gp_Dir aTextDir (aHLabelPos == LabelPosition_Left ? -theTextDir : theTextDir); |
466 | |
467 | // compute label offsets |
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468 | Standard_Real aMarginSize = aFontHeight * THE_3D_TEXT_MARGIN; |
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469 | Standard_Real aCenterHOffset = 0.0; |
470 | Standard_Real aCenterVOffset = 0.0; |
471 | switch (aHLabelPos) |
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472 | { |
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473 | case LabelPosition_HCenter : aCenterHOffset = 0.0; break; |
474 | case LabelPosition_Right : aCenterHOffset = aTextWidth / 2.0 + aMarginSize; break; |
475 | case LabelPosition_Left : aCenterHOffset = -aTextWidth / 2.0 - aMarginSize; break; |
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476 | } |
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477 | switch (aVLabelPos) |
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478 | { |
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479 | case LabelPosition_VCenter : aCenterVOffset = 0.0; break; |
480 | case LabelPosition_Above : aCenterVOffset = aTextHeight / 2.0 + aMarginSize; break; |
481 | case LabelPosition_Below : aCenterVOffset = -aTextHeight / 2.0 - aMarginSize; break; |
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482 | } |
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483 | |
484 | // compute shape offset transformation |
fe83e1ea |
485 | Standard_Real aShapeHOffset = aCenterHOffset - aTextWidth / 2.0; |
d7bffd44 |
486 | Standard_Real aShapeVOffset = aCenterVOffset - aTextHeight / 2.0; |
487 | |
fe83e1ea |
488 | // center shape in its bounding box (suppress border spacing added by FT_Font) |
489 | Bnd_Box aShapeBnd; |
490 | BRepBndLib::AddClose (aTextShape, aShapeBnd); |
491 | |
492 | Standard_Real aXmin, aYmin, aZmin, aXmax, aYmax, aZmax; |
493 | aShapeBnd.Get (aXmin, aYmin, aZmin, aXmax, aYmax, aZmax); |
494 | |
495 | Standard_Real aXalign = aTextWidth * 0.5 - (aXmax + aXmin) * 0.5; |
496 | Standard_Real aYalign = aTextHeight * 0.5 - (aYmax + aYmin) * 0.5; |
497 | aShapeHOffset += aXalign; |
498 | aShapeVOffset += aYalign; |
499 | |
d7bffd44 |
500 | gp_Trsf anOffsetTrsf; |
501 | anOffsetTrsf.SetTranslation (gp::Origin(), gp_Pnt (aShapeHOffset, aShapeVOffset, 0.0)); |
502 | aTextShape.Move (anOffsetTrsf); |
a6eb515f |
503 | |
fe83e1ea |
504 | // transform text to myWorkingPlane coordinate system |
60bf98ae |
505 | gp_Ax3 aTextCoordSystem (theTextPos, GetPlane().Axis().Direction(), aTextDir); |
d7bffd44 |
506 | gp_Trsf aTextPlaneTrsf; |
507 | aTextPlaneTrsf.SetTransformation (aTextCoordSystem, gp_Ax3 (gp::XOY())); |
508 | aTextShape.Move (aTextPlaneTrsf); |
a6eb515f |
509 | |
fe83e1ea |
510 | // set text flipping anchors |
d7bffd44 |
511 | gp_Trsf aCenterOffsetTrsf; |
512 | gp_Pnt aCenterOffset (aCenterHOffset, aCenterVOffset, 0.0); |
513 | aCenterOffsetTrsf.SetTranslation (gp::Origin(), aCenterOffset); |
514 | |
fe83e1ea |
515 | gp_Pnt aCenterOfLabel (gp::Origin()); |
516 | aCenterOfLabel.Transform (aCenterOffsetTrsf); |
517 | aCenterOfLabel.Transform (aTextPlaneTrsf); |
d7bffd44 |
518 | |
60bf98ae |
519 | gp_Ax2 aFlippingAxes (aCenterOfLabel, GetPlane().Axis().Direction(), aTextDir); |
d7bffd44 |
520 | Prs3d_Root::CurrentGroup (thePresentation)->SetFlippingOptions (Standard_True, aFlippingAxes); |
521 | |
fe83e1ea |
522 | // draw text |
a6eb515f |
523 | if (myDrawer->DimensionAspect()->IsTextShaded()) |
524 | { |
525 | // Setting text shading and color parameters |
d2dfbc4d |
526 | if (!myDrawer->HasOwnShadingAspect()) |
527 | { |
528 | myDrawer->SetShadingAspect (new Prs3d_ShadingAspect()); |
529 | } |
530 | |
a6eb515f |
531 | Graphic3d_MaterialAspect aShadeMat (Graphic3d_NOM_DEFAULT); |
532 | aShadeMat.SetReflectionModeOff (Graphic3d_TOR_AMBIENT); |
533 | aShadeMat.SetReflectionModeOff (Graphic3d_TOR_DIFFUSE); |
534 | aShadeMat.SetReflectionModeOff (Graphic3d_TOR_SPECULAR); |
535 | myDrawer->ShadingAspect()->Aspect()->SetInteriorColor (aColor); |
536 | myDrawer->ShadingAspect()->Aspect()->SetBackInteriorColor (aColor); |
537 | myDrawer->ShadingAspect()->SetMaterial (aShadeMat); |
538 | |
fe83e1ea |
539 | // drawing text |
a6eb515f |
540 | StdPrs_ShadedShape::Add (thePresentation, aTextShape, myDrawer); |
541 | } |
542 | else |
543 | { |
d2dfbc4d |
544 | // Setting color for text |
545 | if (!myDrawer->HasOwnFreeBoundaryAspect()) |
546 | { |
547 | myDrawer->SetFreeBoundaryAspect (new Prs3d_LineAspect (aColor, Aspect_TOL_SOLID, 1.0)); |
548 | } |
549 | |
a6eb515f |
550 | myDrawer->FreeBoundaryAspect()->Aspect()->SetColor (aColor); |
d2dfbc4d |
551 | |
fe83e1ea |
552 | // drawing text |
a6eb515f |
553 | StdPrs_WFShape::Add (thePresentation, aTextShape, myDrawer); |
554 | } |
d7bffd44 |
555 | Prs3d_Root::CurrentGroup (thePresentation)->SetFlippingOptions (Standard_False, gp_Ax2()); |
556 | |
fe83e1ea |
557 | mySelectionGeom.TextPos = aCenterOfLabel; |
558 | mySelectionGeom.TextDir = aTextDir; |
559 | mySelectionGeom.TextWidth = aTextWidth + aMarginSize * 2.0; |
560 | mySelectionGeom.TextHeight = aTextHeight; |
561 | |
562 | return; |
a6eb515f |
563 | } |
564 | |
fe83e1ea |
565 | // generate primitives for 2D text |
d7bffd44 |
566 | myDrawer->DimensionAspect()->TextAspect()->Aspect()->SetDisplayType (Aspect_TODT_DIMENSION); |
567 | |
4ad142d9 |
568 | Prs3d_Text::Draw (Prs3d_Root::CurrentGroup (thePresentation), |
d7bffd44 |
569 | myDrawer->DimensionAspect()->TextAspect(), |
570 | theText, |
fe83e1ea |
571 | theTextPos); |
d7bffd44 |
572 | |
fe83e1ea |
573 | mySelectionGeom.TextPos = theTextPos; |
574 | mySelectionGeom.TextDir = theTextDir; |
575 | mySelectionGeom.TextWidth = 0.0; |
576 | mySelectionGeom.TextHeight = 0.0; |
a6eb515f |
577 | } |
578 | |
d7bffd44 |
579 | //======================================================================= |
60bf98ae |
580 | //function : DrawExtension |
a6eb515f |
581 | //purpose : |
582 | //======================================================================= |
60bf98ae |
583 | void AIS_Dimension::DrawExtension (const Handle(Prs3d_Presentation)& thePresentation, |
d7bffd44 |
584 | const Standard_Real theExtensionSize, |
585 | const gp_Pnt& theExtensionStart, |
586 | const gp_Dir& theExtensionDir, |
fe83e1ea |
587 | const TCollection_ExtendedString& theLabelString, |
588 | const Standard_Real theLabelWidth, |
589 | const Standard_Integer theMode, |
d7bffd44 |
590 | const Standard_Integer theLabelPosition) |
a6eb515f |
591 | { |
fe83e1ea |
592 | // reference line for extension starting at its connection point |
593 | gp_Lin anExtensionLine (theExtensionStart, theExtensionDir); |
a6eb515f |
594 | |
fe83e1ea |
595 | Standard_Boolean hasLabel = theLabelString.Length() > 0; |
fe83e1ea |
596 | if (hasLabel && (theMode == ComputeMode_All || theMode == ComputeMode_Text)) |
a6eb515f |
597 | { |
d7bffd44 |
598 | // compute text primitives; get its model width |
fe83e1ea |
599 | gp_Pnt aTextPos = ElCLib::Value (theExtensionSize, anExtensionLine); |
60bf98ae |
600 | gp_Dir aTextDir = theExtensionDir; |
fe83e1ea |
601 | |
7c65581d |
602 | drawText (thePresentation, |
fe83e1ea |
603 | aTextPos, |
604 | aTextDir, |
605 | theLabelString, |
606 | theLabelPosition); |
a6eb515f |
607 | } |
608 | |
fe83e1ea |
609 | if (theMode != ComputeMode_All && theMode != ComputeMode_Line) |
a6eb515f |
610 | { |
d7bffd44 |
611 | return; |
a6eb515f |
612 | } |
613 | |
fe83e1ea |
614 | Standard_Boolean isShortLine = !myDrawer->DimensionAspect()->IsText3d() |
615 | || theLabelPosition & LabelPosition_VCenter; |
616 | |
d7bffd44 |
617 | // compute graphical primitives and sensitives for extension line |
618 | gp_Pnt anExtStart = theExtensionStart; |
fe83e1ea |
619 | gp_Pnt anExtEnd = !hasLabel || isShortLine |
620 | ? ElCLib::Value (theExtensionSize, anExtensionLine) |
621 | : ElCLib::Value (theExtensionSize + theLabelWidth, anExtensionLine); |
d7bffd44 |
622 | |
fe83e1ea |
623 | // add graphical primitives |
d7bffd44 |
624 | Handle(Graphic3d_ArrayOfSegments) anExtPrimitive = new Graphic3d_ArrayOfSegments (2); |
625 | anExtPrimitive->AddVertex (anExtStart); |
626 | anExtPrimitive->AddVertex (anExtEnd); |
627 | |
fe83e1ea |
628 | // add selection primitives |
629 | SelectionGeometry::Curve& aSensitiveCurve = mySelectionGeom.NewCurve(); |
630 | aSensitiveCurve.Append (anExtStart); |
631 | aSensitiveCurve.Append (anExtEnd); |
a6eb515f |
632 | |
fe83e1ea |
633 | if (!myDrawer->DimensionAspect()->IsText3d() && theMode == ComputeMode_All) |
a6eb515f |
634 | { |
d7bffd44 |
635 | Prs3d_Root::CurrentGroup (thePresentation)->SetStencilTestOptions (Standard_True); |
636 | } |
637 | Handle(Graphic3d_AspectLine3d) aDimensionLineStyle = myDrawer->DimensionAspect()->LineAspect()->Aspect(); |
638 | Prs3d_Root::CurrentGroup (thePresentation)->SetPrimitivesAspect (aDimensionLineStyle); |
639 | Prs3d_Root::CurrentGroup (thePresentation)->AddPrimitiveArray (anExtPrimitive); |
fe83e1ea |
640 | if (!myDrawer->DimensionAspect()->IsText3d() && theMode == ComputeMode_All) |
d7bffd44 |
641 | { |
642 | Prs3d_Root::CurrentGroup (thePresentation)->SetStencilTestOptions (Standard_False); |
a6eb515f |
643 | } |
644 | } |
645 | |
646 | //======================================================================= |
60bf98ae |
647 | //function : DrawLinearDimension |
a6eb515f |
648 | //purpose : |
649 | //======================================================================= |
60bf98ae |
650 | void AIS_Dimension::DrawLinearDimension (const Handle(Prs3d_Presentation)& thePresentation, |
fe83e1ea |
651 | const Standard_Integer theMode, |
60bf98ae |
652 | const gp_Pnt& theFirstPoint, |
653 | const gp_Pnt& theSecondPoint, |
654 | const Standard_Boolean theIsOneSide) |
a6eb515f |
655 | { |
60bf98ae |
656 | // do not build any dimension for equal points |
657 | if (theFirstPoint.IsEqual (theSecondPoint, Precision::Confusion())) |
a6eb515f |
658 | { |
9775fa61 |
659 | throw Standard_ProgramError("Can not build presentation for equal points."); |
a6eb515f |
660 | } |
d7bffd44 |
661 | |
a6eb515f |
662 | Handle(Prs3d_DimensionAspect) aDimensionAspect = myDrawer->DimensionAspect(); |
a6eb515f |
663 | |
d7bffd44 |
664 | // For extensions we need to know arrow size, text size and extension size: get it from aspect |
ee2be2a8 |
665 | Standard_Real anArrowLength = aDimensionAspect->ArrowAspect()->Length(); |
666 | Standard_Real anExtensionSize = aDimensionAspect->ExtensionSize(); |
fe83e1ea |
667 | // prepare label string and compute its geometrical width |
668 | Standard_Real aLabelWidth; |
60bf98ae |
669 | TCollection_ExtendedString aLabelString = GetValueString (aLabelWidth); |
a6eb515f |
670 | |
fe83e1ea |
671 | // add margins to cut dimension lines for 3d text |
672 | if (aDimensionAspect->IsText3d()) |
673 | { |
674 | aLabelWidth += aDimensionAspect->TextAspect()->Height() * THE_3D_TEXT_MARGIN * 2.0; |
675 | } |
676 | |
677 | // handle user-defined and automatic arrow placement |
af203d54 |
678 | Standard_Boolean isArrowsExternal = Standard_False; |
679 | Standard_Integer aLabelPosition = LabelPosition_None; |
fe83e1ea |
680 | |
af203d54 |
681 | Prs3d_DimensionTextHorizontalPosition aHorisontalTextPos = aDimensionAspect->TextHorizontalPosition(); |
682 | if (IsTextPositionCustom()) |
683 | { |
91b16a64 |
684 | if (!AdjustParametersForLinear (myFixedTextPosition, theFirstPoint, theSecondPoint, |
685 | anExtensionSize, aHorisontalTextPos, myFlyout, myPlane, myIsPlaneCustom)) |
686 | { |
9775fa61 |
687 | throw Standard_ProgramError("Can not adjust plane to the custom label position."); |
91b16a64 |
688 | } |
a6eb515f |
689 | } |
a6eb515f |
690 | |
af203d54 |
691 | FitTextAlignmentForLinear (theFirstPoint, theSecondPoint, theIsOneSide, aHorisontalTextPos, |
692 | aLabelPosition, isArrowsExternal); |
693 | |
694 | // compute dimension line points |
695 | gp_Ax1 aPlaneNormal = GetPlane().Axis(); |
696 | gp_Dir aTargetPointsVector = gce_MakeDir (theFirstPoint, theSecondPoint); |
697 | |
698 | // compute flyout direction vector |
699 | gp_Dir aFlyoutVector = aPlaneNormal.Direction() ^ aTargetPointsVector; |
700 | |
701 | // create lines for layouts |
702 | gp_Lin aLine1 (theFirstPoint, aFlyoutVector); |
703 | gp_Lin aLine2 (theSecondPoint, aFlyoutVector); |
704 | |
705 | // Get flyout end points |
706 | gp_Pnt aLineBegPoint = ElCLib::Value (ElCLib::Parameter (aLine1, theFirstPoint) + GetFlyout(), aLine1); |
707 | gp_Pnt aLineEndPoint = ElCLib::Value (ElCLib::Parameter (aLine2, theSecondPoint) + GetFlyout(), aLine2); |
708 | |
709 | gp_Lin aDimensionLine = gce_MakeLin (aLineBegPoint, aLineEndPoint); |
710 | |
fe83e1ea |
711 | // compute arrows positions and directions |
d7bffd44 |
712 | gp_Dir aFirstArrowDir = aDimensionLine.Direction().Reversed(); |
713 | gp_Dir aSecondArrowDir = aDimensionLine.Direction(); |
714 | gp_Dir aFirstExtensionDir = aDimensionLine.Direction().Reversed(); |
715 | gp_Dir aSecondExtensionDir = aDimensionLine.Direction(); |
716 | |
717 | gp_Pnt aFirstArrowBegin (0.0, 0.0, 0.0); |
718 | gp_Pnt aFirstArrowEnd (0.0, 0.0, 0.0); |
719 | gp_Pnt aSecondArrowBegin (0.0, 0.0, 0.0); |
720 | gp_Pnt aSecondArrowEnd (0.0, 0.0, 0.0); |
a6eb515f |
721 | |
d7bffd44 |
722 | if (isArrowsExternal) |
a6eb515f |
723 | { |
724 | aFirstArrowDir.Reverse(); |
725 | aSecondArrowDir.Reverse(); |
a6eb515f |
726 | } |
d7bffd44 |
727 | |
728 | aFirstArrowBegin = aLineBegPoint; |
729 | aSecondArrowBegin = aLineEndPoint; |
730 | aFirstArrowEnd = aLineBegPoint.Translated (-gp_Vec (aFirstArrowDir).Scaled (anArrowLength)); |
731 | aSecondArrowEnd = aLineEndPoint.Translated (-gp_Vec (aSecondArrowDir).Scaled (anArrowLength)); |
732 | |
733 | gp_Pnt aCenterLineBegin = isArrowsExternal |
60bf98ae |
734 | ? aLineBegPoint : aFirstArrowEnd; |
d7bffd44 |
735 | |
60bf98ae |
736 | gp_Pnt aCenterLineEnd = isArrowsExternal || theIsOneSide |
d7bffd44 |
737 | ? aLineEndPoint : aSecondArrowEnd; |
738 | |
a6eb515f |
739 | |
d7bffd44 |
740 | switch (aLabelPosition & LabelPosition_HMask) |
a6eb515f |
741 | { |
d7bffd44 |
742 | // ------------------------------------------------------------------------ // |
743 | // CENTER // |
744 | // -------------------------------------------------------------------------// |
d7bffd44 |
745 | case LabelPosition_HCenter: |
a6eb515f |
746 | { |
d7bffd44 |
747 | // add label on dimension or extension line to presentation |
748 | Prs3d_Root::NewGroup (thePresentation); |
a6eb515f |
749 | |
af203d54 |
750 | gp_Pnt aTextPos = IsTextPositionCustom() ? myFixedTextPosition |
751 | : (aCenterLineBegin.XYZ() + aCenterLineEnd.XYZ()) * 0.5; |
60bf98ae |
752 | gp_Dir aTextDir = aDimensionLine.Direction(); |
a6eb515f |
753 | |
fe83e1ea |
754 | // add text primitives |
755 | if (theMode == ComputeMode_All || theMode == ComputeMode_Text) |
a6eb515f |
756 | { |
7c65581d |
757 | drawText (thePresentation, |
fe83e1ea |
758 | aTextPos, |
759 | aTextDir, |
760 | aLabelString, |
761 | aLabelPosition); |
a6eb515f |
762 | } |
d7bffd44 |
763 | |
fe83e1ea |
764 | // add dimension line primitives |
765 | if (theMode == ComputeMode_All || theMode == ComputeMode_Line) |
766 | { |
767 | Standard_Boolean isLineBreak = aDimensionAspect->TextVerticalPosition() == Prs3d_DTVP_Center |
768 | && aDimensionAspect->IsText3d(); |
d7bffd44 |
769 | |
fe83e1ea |
770 | Handle(Graphic3d_ArrayOfSegments) aPrimSegments = new Graphic3d_ArrayOfSegments (isLineBreak ? 4 : 2); |
d7bffd44 |
771 | |
fe83e1ea |
772 | // compute continuous or sectioned main line segments |
773 | if (isLineBreak) |
774 | { |
775 | Standard_Real aPTextPosition = ElCLib::Parameter (aDimensionLine, aTextPos); |
776 | gp_Pnt aSection1Beg = aCenterLineBegin; |
777 | gp_Pnt aSection1End = ElCLib::Value (aPTextPosition - (aLabelWidth * 0.5), aDimensionLine); |
778 | gp_Pnt aSection2Beg = ElCLib::Value (aPTextPosition + (aLabelWidth * 0.5), aDimensionLine); |
779 | gp_Pnt aSection2End = aCenterLineEnd; |
780 | |
781 | aPrimSegments->AddVertex (aSection1Beg); |
782 | aPrimSegments->AddVertex (aSection1End); |
783 | aPrimSegments->AddVertex (aSection2Beg); |
784 | aPrimSegments->AddVertex (aSection2End); |
785 | |
786 | SelectionGeometry::Curve& aLeftSensitiveCurve = mySelectionGeom.NewCurve(); |
787 | SelectionGeometry::Curve& aRightSensitiveCurve = mySelectionGeom.NewCurve(); |
788 | aLeftSensitiveCurve.Append (aSection1Beg); |
789 | aLeftSensitiveCurve.Append (aSection1End); |
790 | aRightSensitiveCurve.Append (aSection2Beg); |
791 | aRightSensitiveCurve.Append (aSection2End); |
792 | } |
793 | else |
794 | { |
795 | aPrimSegments->AddVertex (aCenterLineBegin); |
796 | aPrimSegments->AddVertex (aCenterLineEnd); |
a6eb515f |
797 | |
fe83e1ea |
798 | SelectionGeometry::Curve& aSensitiveCurve = mySelectionGeom.NewCurve(); |
799 | aSensitiveCurve.Append (aCenterLineBegin); |
800 | aSensitiveCurve.Append (aCenterLineEnd); |
801 | } |
a6eb515f |
802 | |
fe83e1ea |
803 | // set text label justification |
804 | Graphic3d_VerticalTextAlignment aTextJustificaton = Graphic3d_VTA_BOTTOM; |
805 | switch (aLabelPosition & LabelPosition_VMask) |
806 | { |
807 | case LabelPosition_Above : |
808 | case LabelPosition_VCenter : aTextJustificaton = Graphic3d_VTA_BOTTOM; break; |
809 | case LabelPosition_Below : aTextJustificaton = Graphic3d_VTA_TOP; break; |
810 | } |
811 | aDimensionAspect->TextAspect()->SetVerticalJustification (aTextJustificaton); |
a6eb515f |
812 | |
fe83e1ea |
813 | // main dimension line, short extension |
814 | if (!aDimensionAspect->IsText3d() && theMode == ComputeMode_All) |
815 | { |
816 | Prs3d_Root::CurrentGroup (thePresentation)->SetStencilTestOptions (Standard_True); |
817 | } |
818 | Prs3d_Root::CurrentGroup (thePresentation)->SetPrimitivesAspect (aDimensionAspect->LineAspect()->Aspect()); |
819 | Prs3d_Root::CurrentGroup (thePresentation)->AddPrimitiveArray (aPrimSegments); |
820 | if (!aDimensionAspect->IsText3d() && theMode == ComputeMode_All) |
821 | { |
822 | Prs3d_Root::CurrentGroup (thePresentation)->SetStencilTestOptions (Standard_False); |
823 | } |
d7bffd44 |
824 | |
fe83e1ea |
825 | // add arrows to presentation |
826 | Prs3d_Root::NewGroup (thePresentation); |
d7bffd44 |
827 | |
60bf98ae |
828 | DrawArrow (thePresentation, aFirstArrowBegin, aFirstArrowDir); |
829 | if (!theIsOneSide) |
fe83e1ea |
830 | { |
60bf98ae |
831 | DrawArrow (thePresentation, aSecondArrowBegin, aSecondArrowDir); |
fe83e1ea |
832 | } |
d7bffd44 |
833 | |
fe83e1ea |
834 | if (!isArrowsExternal) |
835 | { |
836 | break; |
837 | } |
d7bffd44 |
838 | |
fe83e1ea |
839 | // add arrow extension lines to presentation |
840 | Prs3d_Root::NewGroup (thePresentation); |
d7bffd44 |
841 | |
af203d54 |
842 | DrawExtension (thePresentation, aDimensionAspect->ArrowTailSize(), |
fe83e1ea |
843 | aFirstArrowEnd, aFirstExtensionDir, |
844 | THE_EMPTY_LABEL, 0.0, theMode, LabelPosition_None); |
60bf98ae |
845 | if (!theIsOneSide) |
fe83e1ea |
846 | { |
af203d54 |
847 | DrawExtension (thePresentation, aDimensionAspect->ArrowTailSize(), |
fe83e1ea |
848 | aSecondArrowEnd, aSecondExtensionDir, |
849 | THE_EMPTY_LABEL, 0.0, theMode, LabelPosition_None); |
850 | } |
a6eb515f |
851 | } |
1d7ca641 |
852 | |
853 | break; |
a6eb515f |
854 | } |
d7bffd44 |
855 | // ------------------------------------------------------------------------ // |
856 | // LEFT // |
857 | // -------------------------------------------------------------------------// |
858 | |
859 | case LabelPosition_Left: |
a6eb515f |
860 | { |
d7bffd44 |
861 | // add label on dimension or extension line to presentation |
862 | Prs3d_Root::NewGroup (thePresentation); |
a6eb515f |
863 | |
a6eb515f |
864 | // Left extension with the text |
60bf98ae |
865 | DrawExtension (thePresentation, anExtensionSize, |
866 | isArrowsExternal |
867 | ? aFirstArrowEnd |
868 | : aFirstArrowBegin, |
d7bffd44 |
869 | aFirstExtensionDir, |
fe83e1ea |
870 | aLabelString, |
871 | aLabelWidth, |
d7bffd44 |
872 | theMode, |
873 | aLabelPosition); |
874 | |
fe83e1ea |
875 | // add dimension line primitives |
876 | if (theMode == ComputeMode_All || theMode == ComputeMode_Line) |
d7bffd44 |
877 | { |
fe83e1ea |
878 | // add central dimension line |
879 | Prs3d_Root::NewGroup (thePresentation); |
d7bffd44 |
880 | |
fe83e1ea |
881 | // add graphical primitives |
882 | Handle(Graphic3d_ArrayOfSegments) aPrimSegments = new Graphic3d_ArrayOfSegments (2); |
883 | aPrimSegments->AddVertex (aCenterLineBegin); |
884 | aPrimSegments->AddVertex (aCenterLineEnd); |
d7bffd44 |
885 | |
fe83e1ea |
886 | Prs3d_Root::CurrentGroup (thePresentation)->SetPrimitivesAspect (aDimensionAspect->LineAspect()->Aspect()); |
887 | Prs3d_Root::CurrentGroup (thePresentation)->AddPrimitiveArray (aPrimSegments); |
d7bffd44 |
888 | |
fe83e1ea |
889 | // add selection primitives |
890 | SelectionGeometry::Curve& aSensitiveCurve = mySelectionGeom.NewCurve(); |
891 | aSensitiveCurve.Append (aCenterLineBegin); |
892 | aSensitiveCurve.Append (aCenterLineEnd); |
a6eb515f |
893 | |
fe83e1ea |
894 | // add arrows to presentation |
895 | Prs3d_Root::NewGroup (thePresentation); |
a6eb515f |
896 | |
60bf98ae |
897 | DrawArrow (thePresentation, aFirstArrowBegin, aFirstArrowDir); |
898 | if (!theIsOneSide) |
fe83e1ea |
899 | { |
60bf98ae |
900 | DrawArrow (thePresentation, aSecondArrowBegin, aSecondArrowDir); |
fe83e1ea |
901 | } |
d7bffd44 |
902 | |
60bf98ae |
903 | if (!isArrowsExternal || theIsOneSide) |
fe83e1ea |
904 | { |
905 | break; |
906 | } |
d7bffd44 |
907 | |
fe83e1ea |
908 | // add extension lines for external arrows |
909 | Prs3d_Root::NewGroup (thePresentation); |
d7bffd44 |
910 | |
af203d54 |
911 | DrawExtension (thePresentation, aDimensionAspect->ArrowTailSize(), |
fe83e1ea |
912 | aSecondArrowEnd, aSecondExtensionDir, |
913 | THE_EMPTY_LABEL, 0.0, theMode, LabelPosition_None); |
914 | } |
d7bffd44 |
915 | |
a6eb515f |
916 | break; |
917 | } |
d7bffd44 |
918 | // ------------------------------------------------------------------------ // |
919 | // RIGHT // |
920 | // -------------------------------------------------------------------------// |
921 | |
922 | case LabelPosition_Right: |
a6eb515f |
923 | { |
d7bffd44 |
924 | // add label on dimension or extension line to presentation |
925 | Prs3d_Root::NewGroup (thePresentation); |
926 | |
927 | // Right extension with text |
60bf98ae |
928 | DrawExtension (thePresentation, anExtensionSize, |
929 | isArrowsExternal |
930 | ? aSecondArrowEnd |
931 | : aSecondArrowBegin, |
d7bffd44 |
932 | aSecondExtensionDir, |
fe83e1ea |
933 | aLabelString, aLabelWidth, |
d7bffd44 |
934 | theMode, |
935 | aLabelPosition); |
936 | |
fe83e1ea |
937 | if (theMode == ComputeMode_All || theMode == ComputeMode_Line) |
a6eb515f |
938 | { |
fe83e1ea |
939 | // add central dimension line |
940 | Prs3d_Root::NewGroup (thePresentation); |
a6eb515f |
941 | |
fe83e1ea |
942 | // add graphical primitives |
943 | Handle(Graphic3d_ArrayOfSegments) aPrimSegments = new Graphic3d_ArrayOfSegments (2); |
944 | aPrimSegments->AddVertex (aCenterLineBegin); |
945 | aPrimSegments->AddVertex (aCenterLineEnd); |
946 | Prs3d_Root::CurrentGroup (thePresentation)->SetPrimitivesAspect (aDimensionAspect->LineAspect()->Aspect()); |
947 | Prs3d_Root::CurrentGroup (thePresentation)->AddPrimitiveArray (aPrimSegments); |
a6eb515f |
948 | |
fe83e1ea |
949 | // add selection primitives |
950 | SelectionGeometry::Curve& aSensitiveCurve = mySelectionGeom.NewCurve(); |
951 | aSensitiveCurve.Append (aCenterLineBegin); |
952 | aSensitiveCurve.Append (aCenterLineEnd); |
a6eb515f |
953 | |
fe83e1ea |
954 | // add arrows to presentation |
955 | Prs3d_Root::NewGroup (thePresentation); |
d7bffd44 |
956 | |
60bf98ae |
957 | DrawArrow (thePresentation, aSecondArrowBegin, aSecondArrowDir); |
958 | if (!theIsOneSide) |
fe83e1ea |
959 | { |
60bf98ae |
960 | DrawArrow (thePresentation, aFirstArrowBegin, aFirstArrowDir); |
fe83e1ea |
961 | } |
d7bffd44 |
962 | |
60bf98ae |
963 | if (!isArrowsExternal || theIsOneSide) |
fe83e1ea |
964 | { |
965 | break; |
966 | } |
a6eb515f |
967 | |
fe83e1ea |
968 | // add extension lines for external arrows |
969 | Prs3d_Root::NewGroup (thePresentation); |
d7bffd44 |
970 | |
af203d54 |
971 | DrawExtension (thePresentation, aDimensionAspect->ArrowTailSize(), |
fe83e1ea |
972 | aFirstArrowEnd, aFirstExtensionDir, |
973 | THE_EMPTY_LABEL, 0.0, theMode, LabelPosition_None); |
974 | } |
d7bffd44 |
975 | |
a6eb515f |
976 | break; |
977 | } |
978 | } |
979 | |
d7bffd44 |
980 | // add flyout lines to presentation |
fe83e1ea |
981 | if (theMode == ComputeMode_All) |
d7bffd44 |
982 | { |
983 | Prs3d_Root::NewGroup (thePresentation); |
984 | |
985 | Handle(Graphic3d_ArrayOfSegments) aPrimSegments = new Graphic3d_ArrayOfSegments(4); |
60bf98ae |
986 | aPrimSegments->AddVertex (theFirstPoint); |
d7bffd44 |
987 | aPrimSegments->AddVertex (aLineBegPoint); |
988 | |
60bf98ae |
989 | aPrimSegments->AddVertex (theSecondPoint); |
d7bffd44 |
990 | aPrimSegments->AddVertex (aLineEndPoint); |
991 | |
d7bffd44 |
992 | Prs3d_Root::CurrentGroup (thePresentation)->SetPrimitivesAspect (aDimensionAspect->LineAspect()->Aspect()); |
993 | Prs3d_Root::CurrentGroup (thePresentation)->AddPrimitiveArray (aPrimSegments); |
994 | } |
995 | |
91b16a64 |
996 | mySelectionGeom.IsComputed = Standard_True; |
a6eb515f |
997 | } |
998 | |
999 | //======================================================================= |
60bf98ae |
1000 | //function : ComputeLinearFlyouts |
1001 | //purpose : |
a6eb515f |
1002 | //======================================================================= |
60bf98ae |
1003 | void AIS_Dimension::ComputeLinearFlyouts (const Handle(SelectMgr_Selection)& theSelection, |
1004 | const Handle(SelectMgr_EntityOwner)& theOwner, |
1005 | const gp_Pnt& theFirstPoint, |
1006 | const gp_Pnt& theSecondPoint) |
a6eb515f |
1007 | { |
60bf98ae |
1008 | // count flyout direction |
1009 | gp_Ax1 aPlaneNormal = GetPlane().Axis(); |
1010 | gp_Dir aTargetPointsVector = gce_MakeDir (theFirstPoint, theSecondPoint); |
a6eb515f |
1011 | |
60bf98ae |
1012 | // count a flyout direction vector. |
1013 | gp_Dir aFlyoutVector = aPlaneNormal.Direction() ^ aTargetPointsVector; |
a6eb515f |
1014 | |
60bf98ae |
1015 | // create lines for layouts |
1016 | gp_Lin aLine1 (theFirstPoint, aFlyoutVector); |
1017 | gp_Lin aLine2 (theSecondPoint, aFlyoutVector); |
1018 | |
1019 | // get flyout end points |
1020 | gp_Pnt aFlyoutEnd1 = ElCLib::Value (ElCLib::Parameter (aLine1, theFirstPoint) + GetFlyout(), aLine1); |
1021 | gp_Pnt aFlyoutEnd2 = ElCLib::Value (ElCLib::Parameter (aLine2, theSecondPoint) + GetFlyout(), aLine2); |
1022 | |
1023 | // fill sensitive entity for flyouts |
1024 | Handle(Select3D_SensitiveGroup) aSensitiveEntity = new Select3D_SensitiveGroup (theOwner); |
1025 | aSensitiveEntity->Add (new Select3D_SensitiveSegment (theOwner, theFirstPoint, aFlyoutEnd1)); |
1026 | aSensitiveEntity->Add (new Select3D_SensitiveSegment (theOwner, theSecondPoint, aFlyoutEnd2)); |
1027 | theSelection->Add (aSensitiveEntity); |
a6eb515f |
1028 | } |
1029 | |
1030 | //======================================================================= |
60bf98ae |
1031 | //function : CircleFromPlanarFace |
a6eb515f |
1032 | //purpose : if possible computes circle from planar face |
1033 | //======================================================================= |
60bf98ae |
1034 | Standard_Boolean AIS_Dimension::CircleFromPlanarFace (const TopoDS_Face& theFace, |
a6eb515f |
1035 | Handle(Geom_Curve)& theCurve, |
60bf98ae |
1036 | gp_Pnt& theFirstPoint, |
1037 | gp_Pnt& theLastPoint) |
a6eb515f |
1038 | { |
1039 | TopExp_Explorer anIt (theFace, TopAbs_EDGE); |
1040 | for ( ; anIt.More(); anIt.Next()) |
1041 | { |
1042 | TopoDS_Edge aCurEdge = TopoDS::Edge (anIt.Current()); |
1043 | if (AIS::ComputeGeometry (aCurEdge, theCurve, theFirstPoint, theLastPoint)) |
1044 | { |
1045 | if (theCurve->IsInstance (STANDARD_TYPE(Geom_Circle))) |
1046 | { |
1047 | return Standard_True; |
1048 | } |
1049 | } |
1050 | } |
1051 | return Standard_False; |
1052 | } |
1053 | |
0499eb06 |
1054 | //======================================================================= |
1055 | //function : CircleFromEdge |
1056 | //purpose : if possible computes circle from edge |
1057 | //======================================================================= |
1058 | Standard_Boolean AIS_Dimension::CircleFromEdge (const TopoDS_Edge& theEdge, |
1059 | gp_Circ& theCircle, |
1060 | gp_Pnt& theFirstPoint, |
1061 | gp_Pnt& theLastPoint) |
1062 | { |
1063 | BRepAdaptor_Curve anAdaptedCurve (theEdge); |
1064 | switch (anAdaptedCurve.GetType()) |
1065 | { |
1066 | case GeomAbs_Circle: |
1067 | { |
1068 | theCircle = anAdaptedCurve.Circle(); |
1069 | break; |
1070 | } |
1071 | case GeomAbs_Ellipse: |
1072 | { |
1073 | gp_Elips anEll = anAdaptedCurve.Ellipse(); |
1074 | if ((anEll.MinorRadius() - anEll.MajorRadius()) >= Precision::Confusion()) |
1075 | { |
1076 | return Standard_False; |
1077 | } |
1078 | theCircle = gp_Circ(anEll.Position(),anEll.MinorRadius()); |
1079 | break; |
1080 | } |
1081 | case GeomAbs_Line: |
1082 | case GeomAbs_Hyperbola: |
1083 | case GeomAbs_Parabola: |
1084 | case GeomAbs_BezierCurve: |
1085 | case GeomAbs_BSplineCurve: |
1086 | case GeomAbs_OtherCurve: |
1087 | default: |
1088 | return Standard_False; |
1089 | } |
1090 | |
1091 | theFirstPoint = anAdaptedCurve.Value (anAdaptedCurve.FirstParameter()); |
1092 | theLastPoint = anAdaptedCurve.Value (anAdaptedCurve.LastParameter()); |
1093 | return Standard_True; |
1094 | } |
1095 | |
a6eb515f |
1096 | //======================================================================= |
60bf98ae |
1097 | //function : InitCircularDimension |
1098 | //purpose : |
a6eb515f |
1099 | //======================================================================= |
60bf98ae |
1100 | Standard_Boolean AIS_Dimension::InitCircularDimension (const TopoDS_Shape& theShape, |
a6eb515f |
1101 | gp_Circ& theCircle, |
1102 | gp_Pnt& theMiddleArcPoint, |
60bf98ae |
1103 | Standard_Boolean& theIsClosed) |
a6eb515f |
1104 | { |
1105 | gp_Pln aPln; |
1106 | Handle(Geom_Surface) aBasisSurf; |
1107 | AIS_KindOfSurface aSurfType = AIS_KOS_OtherSurface; |
1108 | gp_Pnt aFirstPoint, aLastPoint; |
1109 | Standard_Real anOffset = 0.0; |
1110 | Standard_Real aFirstParam = 0.0; |
1111 | Standard_Real aLastParam = 0.0; |
a6eb515f |
1112 | |
0499eb06 |
1113 | // Discover circular geometry |
1114 | switch (theShape.ShapeType()) |
a6eb515f |
1115 | { |
0499eb06 |
1116 | case TopAbs_FACE: |
a6eb515f |
1117 | { |
0499eb06 |
1118 | AIS::GetPlaneFromFace (TopoDS::Face (theShape), aPln, aBasisSurf, aSurfType, anOffset); |
a6eb515f |
1119 | |
0499eb06 |
1120 | if (aSurfType == AIS_KOS_Plane) |
a6eb515f |
1121 | { |
0499eb06 |
1122 | Handle(Geom_Curve) aCurve; |
1123 | if (!CircleFromPlanarFace (TopoDS::Face (theShape), aCurve, aFirstPoint, aLastPoint)) |
1124 | { |
1125 | return Standard_False; |
1126 | } |
1127 | |
1128 | theCircle = Handle(Geom_Circle)::DownCast (aCurve)->Circ(); |
a6eb515f |
1129 | } |
1130 | else |
1131 | { |
0499eb06 |
1132 | gp_Pnt aCurPos; |
1133 | BRepAdaptor_Surface aSurf1 (TopoDS::Face (theShape)); |
1134 | Standard_Real aFirstU = aSurf1.FirstUParameter(); |
1135 | Standard_Real aLastU = aSurf1.LastUParameter(); |
1136 | Standard_Real aFirstV = aSurf1.FirstVParameter(); |
1137 | Standard_Real aLastV = aSurf1.LastVParameter(); |
1138 | Standard_Real aMidU = (aFirstU + aLastU) * 0.5; |
1139 | Standard_Real aMidV = (aFirstV + aLastV) * 0.5; |
1140 | aSurf1.D0 (aMidU, aMidV, aCurPos); |
1141 | Handle (Adaptor3d_HCurve) aBasisCurve; |
1142 | Standard_Boolean isExpectedType = Standard_False; |
1143 | if (aSurfType == AIS_KOS_Cylinder) |
a6eb515f |
1144 | { |
0499eb06 |
1145 | isExpectedType = Standard_True; |
a6eb515f |
1146 | } |
0499eb06 |
1147 | else |
a6eb515f |
1148 | { |
0499eb06 |
1149 | if (aSurfType == AIS_KOS_Revolution) |
a6eb515f |
1150 | { |
0499eb06 |
1151 | aBasisCurve = aSurf1.BasisCurve(); |
1152 | if (aBasisCurve->GetType() == GeomAbs_Line) |
1153 | { |
1154 | isExpectedType = Standard_True; |
1155 | } |
1156 | } |
1157 | else if (aSurfType == AIS_KOS_Extrusion) |
1158 | { |
1159 | aBasisCurve = aSurf1.BasisCurve(); |
1160 | if (aBasisCurve->GetType() == GeomAbs_Circle) |
1161 | { |
1162 | isExpectedType = Standard_True; |
1163 | } |
a6eb515f |
1164 | } |
1165 | } |
a6eb515f |
1166 | |
0499eb06 |
1167 | if (!isExpectedType) |
1168 | { |
1169 | return Standard_False; |
1170 | } |
60bf98ae |
1171 | |
0499eb06 |
1172 | Handle(Geom_Curve) aCurve = aBasisSurf->VIso(aMidV); |
1173 | if (aCurve->DynamicType() == STANDARD_TYPE (Geom_Circle)) |
a6eb515f |
1174 | { |
0499eb06 |
1175 | theCircle = Handle(Geom_Circle)::DownCast (aCurve)->Circ(); |
1176 | } |
1177 | else if (aCurve->DynamicType() == STANDARD_TYPE (Geom_TrimmedCurve)) |
1178 | { |
1179 | Handle(Geom_TrimmedCurve) aTrimmedCurve = Handle(Geom_TrimmedCurve)::DownCast (aCurve); |
1180 | aFirstU = aTrimmedCurve->FirstParameter(); |
1181 | aLastU = aTrimmedCurve->LastParameter(); |
1182 | if (aTrimmedCurve->BasisCurve()->DynamicType() == STANDARD_TYPE (Geom_Circle)) |
1183 | { |
1184 | theCircle = Handle(Geom_Circle)::DownCast(aTrimmedCurve->BasisCurve())->Circ(); |
1185 | } |
1186 | } |
1187 | else |
1188 | { |
1189 | // Compute a circle from 3 points on "aCurve" |
1190 | gp_Pnt aP1, aP2; |
1191 | aSurf1.D0 (aFirstU, aMidV, aP1); |
1192 | aSurf1.D0 (aLastU, aMidV, aP2); |
1193 | GC_MakeCircle aMkCirc (aP1, aCurPos, aP2); |
1194 | theCircle = aMkCirc.Value()->Circ(); |
a6eb515f |
1195 | } |
a6eb515f |
1196 | |
0499eb06 |
1197 | aFirstPoint = ElCLib::Value (aFirstU, theCircle); |
1198 | aLastPoint = ElCLib::Value (aLastU, theCircle); |
1199 | } |
1200 | break; |
a6eb515f |
1201 | } |
0499eb06 |
1202 | case TopAbs_WIRE: |
a6eb515f |
1203 | { |
0499eb06 |
1204 | TopoDS_Edge anEdge; |
a6eb515f |
1205 | TopExp_Explorer anIt (theShape, TopAbs_EDGE); |
1206 | if (anIt.More()) |
1207 | { |
1208 | anEdge = TopoDS::Edge (anIt.Current()); |
1209 | } |
0499eb06 |
1210 | if (!AIS_Dimension::CircleFromEdge (anEdge, theCircle, aFirstPoint, aLastPoint)) |
1211 | { |
1212 | return Standard_False; |
1213 | } |
1214 | break; |
a6eb515f |
1215 | } |
0499eb06 |
1216 | case TopAbs_EDGE: |
a6eb515f |
1217 | { |
0499eb06 |
1218 | TopoDS_Edge anEdge = TopoDS::Edge (theShape); |
1219 | if (!AIS_Dimension::CircleFromEdge (anEdge, theCircle, aFirstPoint, aLastPoint)) |
1220 | { |
1221 | return Standard_False; |
1222 | } |
1223 | break; |
a6eb515f |
1224 | } |
0499eb06 |
1225 | case TopAbs_COMPOUND: |
1226 | case TopAbs_COMPSOLID: |
1227 | case TopAbs_SOLID: |
1228 | case TopAbs_SHELL: |
1229 | case TopAbs_VERTEX: |
1230 | case TopAbs_SHAPE: |
1231 | default: |
a6eb515f |
1232 | return Standard_False; |
a6eb515f |
1233 | } |
60bf98ae |
1234 | |
1235 | theIsClosed = aFirstPoint.IsEqual (aLastPoint, Precision::Confusion()); |
1236 | |
a6eb515f |
1237 | gp_Pnt aCenter = theCircle.Location(); |
60bf98ae |
1238 | |
1239 | if (theIsClosed) // Circle |
a6eb515f |
1240 | { |
a6eb515f |
1241 | gp_Dir anXDir = theCircle.XAxis().Direction(); |
1242 | theMiddleArcPoint = aCenter.Translated (gp_Vec (anXDir) * theCircle.Radius()); |
a6eb515f |
1243 | } |
60bf98ae |
1244 | else // Arc |
a6eb515f |
1245 | { |
a6eb515f |
1246 | aFirstParam = ElCLib::Parameter (theCircle, aFirstPoint); |
1247 | aLastParam = ElCLib::Parameter (theCircle, aLastPoint); |
1248 | if (aFirstParam > aLastParam) |
1249 | { |
1250 | aFirstParam -= 2.0 * M_PI; |
1251 | } |
60bf98ae |
1252 | |
a6eb515f |
1253 | Standard_Real aParCurPos = (aFirstParam + aLastParam) * 0.5; |
1254 | gp_Vec aVec = gp_Vec (aCenter, ElCLib::Value (aParCurPos, theCircle)).Normalized () * theCircle.Radius (); |
1255 | theMiddleArcPoint = aCenter.Translated (aVec); |
a6eb515f |
1256 | } |
1257 | |
1258 | return Standard_True; |
1259 | } |
1260 | |
a6eb515f |
1261 | //======================================================================= |
1262 | //function : ComputeSelection |
1263 | //purpose : |
1264 | //======================================================================= |
a6eb515f |
1265 | void AIS_Dimension::ComputeSelection (const Handle(SelectMgr_Selection)& theSelection, |
1266 | const Standard_Integer theMode) |
1267 | { |
91b16a64 |
1268 | if (!mySelectionGeom.IsComputed) |
a6eb515f |
1269 | { |
1270 | return; |
1271 | } |
1272 | |
fe83e1ea |
1273 | AIS_DimensionSelectionMode aSelectionMode = (AIS_DimensionSelectionMode)theMode; |
a6eb515f |
1274 | |
fe83e1ea |
1275 | // init appropriate entity owner |
1276 | Handle(SelectMgr_EntityOwner) aSensitiveOwner; |
a6eb515f |
1277 | |
fe83e1ea |
1278 | switch (aSelectionMode) |
a6eb515f |
1279 | { |
fe83e1ea |
1280 | // neutral selection owner |
1281 | case AIS_DSM_All : |
1282 | aSensitiveOwner = new SelectMgr_EntityOwner (this, THE_NEUTRAL_SEL_PRIORITY); |
1283 | break; |
1284 | |
1285 | // local selection owners |
1286 | case AIS_DSM_Line : |
1287 | case AIS_DSM_Text : |
1288 | aSensitiveOwner = new AIS_DimensionOwner (this, aSelectionMode, THE_LOCAL_SEL_PRIORITY); |
1289 | break; |
a6eb515f |
1290 | } |
fe83e1ea |
1291 | |
1292 | if (aSelectionMode == AIS_DSM_All || aSelectionMode == AIS_DSM_Line) |
a6eb515f |
1293 | { |
fe83e1ea |
1294 | // sensitives for dimension line segments |
1295 | Handle(Select3D_SensitiveGroup) aGroupOfSensitives = new Select3D_SensitiveGroup (aSensitiveOwner); |
1296 | |
1297 | SelectionGeometry::SeqOfCurves::Iterator aCurveIt (mySelectionGeom.DimensionLine); |
1298 | for (; aCurveIt.More(); aCurveIt.Next()) |
1299 | { |
1300 | const SelectionGeometry::HCurve& aCurveData = aCurveIt.Value(); |
1301 | |
1302 | TColgp_Array1OfPnt aSensitivePnts (1, aCurveData->Length()); |
1303 | for (Standard_Integer aPntIt = 1; aPntIt <= aCurveData->Length(); ++aPntIt) |
1304 | { |
1305 | aSensitivePnts.ChangeValue (aPntIt) = aCurveData->Value (aPntIt); |
1306 | } |
1307 | |
1308 | aGroupOfSensitives->Add (new Select3D_SensitiveCurve (aSensitiveOwner, aSensitivePnts)); |
1309 | } |
1310 | |
ee2be2a8 |
1311 | Standard_Real anArrowLength = myDrawer->DimensionAspect()->ArrowAspect()->Length(); |
1312 | Standard_Real anArrowAngle = myDrawer->DimensionAspect()->ArrowAspect()->Angle(); |
fe83e1ea |
1313 | |
1314 | // sensitives for arrows |
1315 | SelectionGeometry::SeqOfArrows::Iterator anArrowIt (mySelectionGeom.Arrows); |
1316 | for (; anArrowIt.More(); anArrowIt.Next()) |
1317 | { |
1318 | const SelectionGeometry::HArrow& anArrow = anArrowIt.Value(); |
1319 | |
1320 | gp_Pnt aSidePnt1 (gp::Origin()); |
1321 | gp_Pnt aSidePnt2 (gp::Origin()); |
60bf98ae |
1322 | const gp_Dir& aPlane = GetPlane().Axis().Direction(); |
fe83e1ea |
1323 | const gp_Pnt& aPeak = anArrow->Position; |
1324 | const gp_Dir& aDir = anArrow->Direction; |
1325 | |
1326 | // compute points for arrow in plane |
1327 | PointsForArrow (aPeak, aDir, aPlane, anArrowLength, anArrowAngle, aSidePnt1, aSidePnt2); |
1328 | |
1329 | aGroupOfSensitives->Add (new Select3D_SensitiveTriangle (aSensitiveOwner, aPeak, aSidePnt1, aSidePnt2)); |
1330 | |
1331 | if (!myDrawer->DimensionAspect()->IsArrows3d()) |
1332 | { |
1333 | continue; |
1334 | } |
1335 | |
1336 | // compute points for orthogonal sensitive plane |
1337 | gp_Dir anOrthoPlane = anArrow->Direction.Crossed (aPlane); |
1338 | |
1339 | PointsForArrow (aPeak, aDir, anOrthoPlane, anArrowLength, anArrowAngle, aSidePnt1, aSidePnt2); |
1340 | |
1341 | aGroupOfSensitives->Add (new Select3D_SensitiveTriangle (aSensitiveOwner, aPeak, aSidePnt1, aSidePnt2)); |
1342 | } |
1343 | |
1344 | theSelection->Add (aGroupOfSensitives); |
a6eb515f |
1345 | } |
fe83e1ea |
1346 | |
1347 | // sensitives for text element |
1348 | if (aSelectionMode == AIS_DSM_All || aSelectionMode == AIS_DSM_Text) |
a6eb515f |
1349 | { |
fe83e1ea |
1350 | Handle(Select3D_SensitiveEntity) aTextSensitive; |
1351 | |
1352 | gp_Ax2 aTextAxes (mySelectionGeom.TextPos, |
60bf98ae |
1353 | GetPlane().Axis().Direction(), |
fe83e1ea |
1354 | mySelectionGeom.TextDir); |
1355 | |
1356 | if (myDrawer->DimensionAspect()->IsText3d()) |
1357 | { |
1358 | // sensitive planar rectangle for text |
1359 | Standard_Real aDx = mySelectionGeom.TextWidth * 0.5; |
1360 | Standard_Real aDy = mySelectionGeom.TextHeight * 0.5; |
1361 | |
1362 | gp_Trsf aLabelPlane; |
1363 | aLabelPlane.SetTransformation (aTextAxes, gp::XOY()); |
1364 | |
51f8f60c |
1365 | TColgp_Array1OfPnt aRectanglePoints(1, 4); |
1366 | aRectanglePoints.ChangeValue(1) = gp_Pnt (-aDx, -aDy, 0.0).Transformed (aLabelPlane); |
1367 | aRectanglePoints.ChangeValue(2) = gp_Pnt (-aDx, aDy, 0.0).Transformed (aLabelPlane); |
1368 | aRectanglePoints.ChangeValue(3) = gp_Pnt ( aDx, aDy, 0.0).Transformed (aLabelPlane); |
1369 | aRectanglePoints.ChangeValue(4) = gp_Pnt ( aDx, -aDy, 0.0).Transformed (aLabelPlane); |
fe83e1ea |
1370 | |
51f8f60c |
1371 | Poly_Array1OfTriangle aTriangles(1, 2); |
1372 | aTriangles.ChangeValue(1) = Poly_Triangle(1, 2, 3); |
1373 | aTriangles.ChangeValue(2) = Poly_Triangle(1, 3, 4); |
1374 | |
1375 | Handle(Poly_Triangulation) aRectanglePoly = |
1376 | new Poly_Triangulation(aRectanglePoints, aTriangles); |
1377 | |
1378 | aTextSensitive = |
1379 | new Select3D_SensitiveTriangulation (aSensitiveOwner, aRectanglePoly, TopLoc_Location(), Standard_True); |
fe83e1ea |
1380 | } |
1381 | else |
1382 | { |
1383 | gp_Circ aTextGeom (aTextAxes, mySelToleranceForText2d != 0.0 |
1384 | ? mySelToleranceForText2d : 1.0); |
1385 | |
1386 | Handle(Geom_Circle) aSensGeom = new Geom_Circle (aTextGeom); |
1387 | |
1388 | aTextSensitive = new Select3D_SensitiveCircle (aSensitiveOwner, aSensGeom, Standard_True); |
1389 | } |
1390 | |
1391 | theSelection->Add (aTextSensitive); |
a6eb515f |
1392 | } |
fe83e1ea |
1393 | |
1394 | // callback for flyout sensitive calculation |
1395 | if (aSelectionMode == AIS_DSM_All) |
d7bffd44 |
1396 | { |
60bf98ae |
1397 | ComputeFlyoutSelection (theSelection, aSensitiveOwner); |
d7bffd44 |
1398 | } |
fe83e1ea |
1399 | } |
1400 | |
1401 | //======================================================================= |
1402 | //function : PointsForArrow |
1403 | //purpose : |
1404 | //======================================================================= |
1405 | void AIS_Dimension::PointsForArrow (const gp_Pnt& thePeakPnt, |
1406 | const gp_Dir& theDirection, |
1407 | const gp_Dir& thePlane, |
1408 | const Standard_Real theArrowLength, |
1409 | const Standard_Real theArrowAngle, |
1410 | gp_Pnt& theSidePnt1, |
1411 | gp_Pnt& theSidePnt2) |
1412 | { |
1413 | gp_Lin anArrowLin (thePeakPnt, theDirection.Reversed()); |
1414 | gp_Pnt anArrowEnd = ElCLib::Value (theArrowLength, anArrowLin); |
1415 | gp_Lin anEdgeLin (anArrowEnd, theDirection.Crossed (thePlane)); |
1416 | |
1417 | Standard_Real anEdgeLength = Tan (theArrowAngle) * theArrowLength; |
a6eb515f |
1418 | |
fe83e1ea |
1419 | theSidePnt1 = ElCLib::Value ( anEdgeLength, anEdgeLin); |
1420 | theSidePnt2 = ElCLib::Value (-anEdgeLength, anEdgeLin); |
a6eb515f |
1421 | } |
af203d54 |
1422 | |
1423 | //======================================================================= |
1424 | //function : GetTextPositionForLinear |
1425 | //purpose : |
1426 | //======================================================================= |
1427 | gp_Pnt AIS_Dimension::GetTextPositionForLinear (const gp_Pnt& theFirstPoint, |
1428 | const gp_Pnt& theSecondPoint, |
1429 | const Standard_Boolean theIsOneSide) const |
1430 | { |
91b16a64 |
1431 | if (!IsValid()) |
af203d54 |
1432 | { |
1433 | return gp::Origin(); |
1434 | } |
1435 | |
1436 | gp_Pnt aTextPosition (gp::Origin()); |
1437 | |
1438 | Handle(Prs3d_DimensionAspect) aDimensionAspect = myDrawer->DimensionAspect(); |
1439 | |
1440 | // Get label alignment and arrow orientation. |
1441 | Standard_Integer aLabelPosition = 0; |
1442 | Standard_Boolean isArrowsExternal = Standard_False; |
1443 | FitTextAlignmentForLinear (theFirstPoint, theSecondPoint, theIsOneSide, |
1444 | aDimensionAspect->TextHorizontalPosition(), |
1445 | aLabelPosition, isArrowsExternal); |
1446 | |
1447 | // Compute dimension line points. |
1448 | gp_Dir aPlaneNormal = GetPlane().Axis().Direction(); |
1449 | gp_Vec aTargetPointsVec (theFirstPoint, theSecondPoint); |
1450 | |
1451 | // Compute flyout direction vector |
1452 | gp_Dir aFlyoutVector = aPlaneNormal ^ gp_Dir (aTargetPointsVec); |
1453 | |
1454 | // create lines for layouts |
1455 | gp_Lin aLine1 (theFirstPoint, aFlyoutVector); |
1456 | gp_Lin aLine2 (theSecondPoint, aFlyoutVector); |
1457 | // Get flyout end points |
1458 | gp_Pnt aLineBegPoint = ElCLib::Value (ElCLib::Parameter (aLine1, theFirstPoint) + GetFlyout(), aLine1); |
1459 | gp_Pnt aLineEndPoint = ElCLib::Value (ElCLib::Parameter (aLine2, theSecondPoint) + GetFlyout(), aLine2); |
1460 | |
1461 | // Get text position. |
1462 | switch (aLabelPosition & LabelPosition_HMask) |
1463 | { |
1464 | case LabelPosition_Left: |
1465 | { |
1466 | gp_Dir aTargetPointsDir = gce_MakeDir (theFirstPoint, theSecondPoint); |
1467 | Standard_Real anExtensionSize = aDimensionAspect->ExtensionSize(); |
1468 | |
1469 | Standard_Real anOffset = isArrowsExternal |
1470 | ? anExtensionSize + aDimensionAspect->ArrowAspect()->Length() |
1471 | : anExtensionSize; |
1472 | gp_Vec anExtensionVec = gp_Vec (aTargetPointsDir) * -anOffset; |
1473 | aTextPosition = aLineEndPoint.Translated (anExtensionVec); |
1474 | } |
1475 | break; |
1476 | case LabelPosition_Right: |
1477 | { |
1478 | gp_Dir aTargetPointsDir = gce_MakeDir (theFirstPoint, theSecondPoint); |
1479 | Standard_Real anExtensionSize = aDimensionAspect->ExtensionSize(); |
1480 | |
1481 | Standard_Real anOffset = isArrowsExternal |
1482 | ? anExtensionSize + aDimensionAspect->ArrowAspect()->Length() |
1483 | : anExtensionSize; |
1484 | gp_Vec anExtensionVec = gp_Vec (aTargetPointsDir) * anOffset; |
1485 | aTextPosition = aLineBegPoint.Translated (anExtensionVec); |
1486 | } |
1487 | break; |
1488 | case LabelPosition_HCenter: |
1489 | { |
1490 | aTextPosition = (aLineBegPoint.XYZ() + aLineEndPoint.XYZ()) * 0.5; |
1491 | } |
1492 | break; |
1493 | } |
1494 | |
1495 | return aTextPosition; |
1496 | } |
1497 | |
1498 | //======================================================================= |
91b16a64 |
1499 | //function : AdjustParametersForLinear |
af203d54 |
1500 | //purpose : |
1501 | //======================================================================= |
91b16a64 |
1502 | Standard_Boolean AIS_Dimension::AdjustParametersForLinear (const gp_Pnt& theTextPos, |
1503 | const gp_Pnt& theFirstPoint, |
1504 | const gp_Pnt& theSecondPoint, |
1505 | Standard_Real& theExtensionSize, |
1506 | Prs3d_DimensionTextHorizontalPosition& theAlignment, |
1507 | Standard_Real& theFlyout, |
1508 | gp_Pln& thePlane, |
1509 | Standard_Boolean& theIsPlaneOld) const |
af203d54 |
1510 | { |
1511 | Handle(Prs3d_DimensionAspect) aDimensionAspect = myDrawer->DimensionAspect(); |
1512 | Standard_Real anArrowLength = aDimensionAspect->ArrowAspect()->Length(); |
1513 | |
af203d54 |
1514 | gp_Dir aTargetPointsDir = gce_MakeDir (theFirstPoint, theSecondPoint); |
1515 | gp_Vec aTargetPointsVec (theFirstPoint, theSecondPoint); |
1516 | |
91b16a64 |
1517 | // Don't set new plane if the text position lies on the attachment points line. |
1518 | gp_Lin aTargetPointsLin (theFirstPoint, aTargetPointsDir); |
1519 | if (!aTargetPointsLin.Contains (theTextPos, Precision::Confusion())) |
1520 | { |
1521 | //Set new automatic plane. |
1522 | thePlane = gce_MakePln (theTextPos, theFirstPoint, theSecondPoint); |
1523 | theIsPlaneOld = Standard_False; |
1524 | } |
1525 | |
af203d54 |
1526 | // Compute flyout direction vector. |
91b16a64 |
1527 | gp_Dir aPlaneNormal = GetPlane().Axis().Direction(); |
af203d54 |
1528 | gp_Dir aPositiveFlyout = aPlaneNormal ^ aTargetPointsDir; |
1529 | |
91b16a64 |
1530 | // Additional check of collinearity of the plane normal and attachment points vector. |
1531 | if (aPlaneNormal.IsParallel (aTargetPointsDir, Precision::Angular())) |
1532 | { |
1533 | return Standard_False; |
1534 | } |
1535 | |
af203d54 |
1536 | // Set flyout. |
1537 | gp_Vec aFirstToTextVec (theFirstPoint, theTextPos); |
1538 | |
1539 | Standard_Real aCos = aFirstToTextVec.Normalized() * gp_Vec (aTargetPointsDir); |
1540 | |
1541 | gp_Pnt aTextPosProj = theFirstPoint.Translated |
1542 | (gp_Vec (aTargetPointsDir) * aFirstToTextVec.Magnitude() * aCos); |
1543 | |
1544 | // Compute flyout value and direction. |
1545 | gp_Vec aFlyoutVector = gp_Vec (aTextPosProj, theTextPos); |
1546 | |
91b16a64 |
1547 | theFlyout = 0.0; |
1548 | if (aFlyoutVector.Magnitude() > Precision::Confusion()) |
1549 | { |
1550 | theFlyout = gp_Dir (aFlyoutVector).IsOpposite (aPositiveFlyout, Precision::Angular()) |
1551 | ? -aFlyoutVector.Magnitude() |
1552 | : aFlyoutVector.Magnitude(); |
1553 | } |
1554 | |
af203d54 |
1555 | // Compute attach points (through which main dimension line passes). |
1556 | gp_Pnt aFirstAttach = theFirstPoint.Translated (aFlyoutVector); |
1557 | gp_Pnt aSecondAttach = theSecondPoint.Translated (aFlyoutVector); |
1558 | |
91b16a64 |
1559 | // Set horizontal text alignment. |
af203d54 |
1560 | if (aCos < 0.0) |
1561 | { |
1562 | theAlignment = Prs3d_DTHP_Left; |
1563 | |
1564 | Standard_Real aNewExtSize = theTextPos.Distance (aFirstAttach) - anArrowLength; |
1565 | theExtensionSize = aNewExtSize < 0.0 ? 0.0 : aNewExtSize; |
1566 | } |
1567 | else if (aTextPosProj.Distance (theFirstPoint) > theFirstPoint.Distance (theSecondPoint)) |
1568 | { |
1569 | theAlignment = Prs3d_DTHP_Right; |
1570 | |
1571 | Standard_Real aNewExtSize = theTextPos.Distance (aSecondAttach) - anArrowLength; |
1572 | theExtensionSize = aNewExtSize < 0.0 ? 0.0 : aNewExtSize; |
1573 | } |
1574 | else |
1575 | { |
1576 | theAlignment = Prs3d_DTHP_Center; |
1577 | } |
91b16a64 |
1578 | return Standard_True; |
af203d54 |
1579 | } |
1580 | |
1581 | //======================================================================= |
1582 | //function : FitTextAlignmentForLinear |
1583 | //purpose : |
1584 | //======================================================================= |
1585 | void AIS_Dimension::FitTextAlignmentForLinear (const gp_Pnt& theFirstPoint, |
1586 | const gp_Pnt& theSecondPoint, |
1587 | const Standard_Boolean theIsOneSide, |
1588 | const Prs3d_DimensionTextHorizontalPosition& theHorizontalTextPos, |
1589 | Standard_Integer& theLabelPosition, |
1590 | Standard_Boolean& theIsArrowsExternal) const |
1591 | { |
1592 | theLabelPosition = LabelPosition_None; |
1593 | theIsArrowsExternal = Standard_False; |
1594 | |
1595 | // Compute dimension line points |
1596 | gp_Ax1 aPlaneNormal = GetPlane().Axis(); |
1597 | gp_Dir aTargetPointsVector = gce_MakeDir (theFirstPoint, theSecondPoint); |
1598 | |
1599 | // compute flyout direction vector |
1600 | gp_Dir aFlyoutVector = aPlaneNormal.Direction() ^ aTargetPointsVector; |
1601 | |
1602 | // create lines for layouts |
1603 | gp_Lin aLine1 (theFirstPoint, aFlyoutVector); |
1604 | gp_Lin aLine2 (theSecondPoint, aFlyoutVector); |
1605 | |
1606 | // Get flyout end points |
1607 | gp_Pnt aLineBegPoint = ElCLib::Value (ElCLib::Parameter (aLine1, theFirstPoint) + GetFlyout(), aLine1); |
1608 | gp_Pnt aLineEndPoint = ElCLib::Value (ElCLib::Parameter (aLine2, theSecondPoint) + GetFlyout(), aLine2); |
1609 | |
1610 | Handle(Prs3d_DimensionAspect) aDimensionAspect = myDrawer->DimensionAspect(); |
1611 | |
af203d54 |
1612 | // For extensions we need to know arrow size, text size and extension size: get it from aspect |
ee2be2a8 |
1613 | Standard_Real anArrowLength = aDimensionAspect->ArrowAspect()->Length(); |
af203d54 |
1614 | |
1615 | // prepare label string and compute its geometrical width |
1616 | Standard_Real aLabelWidth; |
1617 | TCollection_ExtendedString aLabelString = GetValueString (aLabelWidth); |
1618 | |
1619 | // Add margins to cut dimension lines for 3d text |
1620 | if (aDimensionAspect->IsText3d()) |
1621 | { |
1622 | aLabelWidth += aDimensionAspect->TextAspect()->Height() * THE_3D_TEXT_MARGIN * 2.0; |
1623 | } |
1624 | |
1625 | // Handle user-defined and automatic arrow placement |
1626 | switch (aDimensionAspect->ArrowOrientation()) |
1627 | { |
1628 | case Prs3d_DAO_External: theIsArrowsExternal = true; break; |
1629 | case Prs3d_DAO_Internal: theIsArrowsExternal = false; break; |
1630 | case Prs3d_DAO_Fit: |
1631 | { |
1632 | // Add margin to ensure a small tail between text and arrow |
1633 | Standard_Real anArrowMargin = aDimensionAspect->IsText3d() |
1634 | ? aDimensionAspect->TextAspect()->Height() * THE_3D_TEXT_MARGIN |
1635 | : 0.0; |
1636 | |
1637 | Standard_Real aDimensionWidth = aLineBegPoint.Distance (aLineEndPoint); |
1638 | Standard_Real anArrowsWidth = theIsOneSide |
1639 | ? anArrowLength + anArrowMargin |
1640 | : (anArrowLength + anArrowMargin) * 2.0; |
1641 | |
1642 | theIsArrowsExternal = aDimensionWidth < aLabelWidth + anArrowsWidth; |
1643 | break; |
1644 | } |
1645 | } |
1646 | |
1647 | // Handle user-defined and automatic text placement |
1648 | switch (theHorizontalTextPos) |
1649 | { |
1650 | case Prs3d_DTHP_Left : theLabelPosition |= LabelPosition_Left; break; |
1651 | case Prs3d_DTHP_Right : theLabelPosition |= LabelPosition_Right; break; |
1652 | case Prs3d_DTHP_Center: theLabelPosition |= LabelPosition_HCenter; break; |
1653 | case Prs3d_DTHP_Fit: |
1654 | { |
1655 | Standard_Real aDimensionWidth = aLineBegPoint.Distance (aLineEndPoint); |
1656 | Standard_Real anArrowsWidth = theIsOneSide ? anArrowLength : 2.0 * anArrowLength; |
1657 | Standard_Real aContentWidth = theIsArrowsExternal ? aLabelWidth : aLabelWidth + anArrowsWidth; |
1658 | |
1659 | theLabelPosition |= aDimensionWidth < aContentWidth ? LabelPosition_Left : LabelPosition_HCenter; |
1660 | break; |
1661 | } |
1662 | } |
1663 | |
1664 | // Handle vertical text placement options |
1665 | switch (aDimensionAspect->TextVerticalPosition()) |
1666 | { |
1667 | case Prs3d_DTVP_Above : theLabelPosition |= LabelPosition_Above; break; |
1668 | case Prs3d_DTVP_Below : theLabelPosition |= LabelPosition_Below; break; |
1669 | case Prs3d_DTVP_Center : theLabelPosition |= LabelPosition_VCenter; break; |
1670 | } |
1671 | } |
1672 | |
1673 | //======================================================================= |
1674 | //function : UnsetFixedTextPosition |
1675 | //purpose : |
1676 | //======================================================================= |
1677 | void AIS_Dimension::UnsetFixedTextPosition() |
1678 | { |
1679 | myIsTextPositionFixed = Standard_False; |
1680 | myFixedTextPosition = gp::Origin(); |
1681 | } |