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1 | // Created on: 1996-12-05 |
2 | // Created by: Jean-Pierre COMBE/Odile Olivier/Serguei Zaritchny |
3 | // Copyright (c) 1996-1999 Matra Datavision |
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4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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5 | // |
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6 | // This file is part of Open CASCADE Technology software library. |
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7 | // |
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8 | // This library is free software; you can redistribute it and/or modify it under |
9 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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10 | // by the Free Software Foundation, with special exception defined in the file |
11 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
12 | // distribution for complete text of the license and disclaimer of any warranty. |
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13 | // |
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14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
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16 | |
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17 | #include <AIS_RadiusDimension.hxx> |
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18 | |
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19 | #include <AIS.hxx> |
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20 | #include <BRepLib_MakeEdge.hxx> |
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21 | #include <ElCLib.hxx> |
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22 | #include <gce_MakeDir.hxx> |
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23 | |
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24 | IMPLEMENT_STANDARD_HANDLE (AIS_RadiusDimension, AIS_Dimension) |
25 | IMPLEMENT_STANDARD_RTTIEXT (AIS_RadiusDimension, AIS_Dimension) |
26 | |
27 | namespace |
28 | { |
29 | static const Standard_ExtCharacter THE_RADIUS_SYMBOL ('R'); |
30 | }; |
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31 | |
32 | //======================================================================= |
33 | //function : Constructor |
34 | //purpose : |
35 | //======================================================================= |
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36 | AIS_RadiusDimension::AIS_RadiusDimension (const gp_Circ& theCircle) |
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37 | : AIS_Dimension (AIS_KOD_RADIUS) |
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38 | { |
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39 | SetMeasuredGeometry (theCircle); |
40 | SetSpecialSymbol (THE_RADIUS_SYMBOL); |
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41 | SetDisplaySpecialSymbol (AIS_DSS_Before); |
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42 | SetFlyout (0.0); |
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43 | } |
44 | |
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45 | //======================================================================= |
46 | //function : Constructor |
47 | //purpose : |
48 | //======================================================================= |
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49 | AIS_RadiusDimension::AIS_RadiusDimension (const gp_Circ& theCircle, |
50 | const gp_Pnt& theAttachPoint) |
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51 | : AIS_Dimension (AIS_KOD_RADIUS) |
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52 | { |
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53 | SetMeasuredGeometry (theCircle, theAttachPoint); |
54 | SetSpecialSymbol (THE_RADIUS_SYMBOL); |
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55 | SetDisplaySpecialSymbol (AIS_DSS_Before); |
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56 | SetFlyout (0.0); |
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57 | } |
58 | |
59 | //======================================================================= |
60 | //function : Constructor |
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61 | //purpose : |
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62 | //======================================================================= |
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63 | AIS_RadiusDimension::AIS_RadiusDimension (const TopoDS_Shape& theShape) |
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64 | : AIS_Dimension (AIS_KOD_RADIUS) |
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65 | { |
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66 | SetMeasuredGeometry (theShape); |
67 | SetSpecialSymbol (THE_RADIUS_SYMBOL); |
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68 | SetDisplaySpecialSymbol (AIS_DSS_Before); |
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69 | SetFlyout (0.0); |
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70 | } |
71 | |
72 | //======================================================================= |
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73 | //function : SetMeasuredGeometry |
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74 | //purpose : |
75 | //======================================================================= |
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76 | void AIS_RadiusDimension::SetMeasuredGeometry (const gp_Circ& theCircle) |
77 | { |
78 | myCircle = theCircle; |
79 | myGeometryType = GeometryType_Edge; |
80 | myShape = BRepLib_MakeEdge (theCircle); |
81 | myAnchorPoint = ElCLib::Value (0, myCircle); |
82 | myIsValid = IsValidCircle (myCircle); |
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83 | |
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84 | if (myIsValid) |
85 | { |
86 | ComputePlane(); |
87 | } |
88 | |
89 | myIsValid &= CheckPlane (myPlane); |
90 | |
91 | SetToUpdate(); |
92 | } |
93 | |
94 | //======================================================================= |
95 | //function : SetMeasuredGeometry |
96 | //purpose : |
97 | //======================================================================= |
98 | void AIS_RadiusDimension::SetMeasuredGeometry (const gp_Circ& theCircle, |
99 | const gp_Pnt& theAnchorPoint) |
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100 | { |
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101 | myCircle = theCircle; |
102 | myGeometryType = GeometryType_Edge; |
103 | myShape = BRepLib_MakeEdge (theCircle); |
104 | myAnchorPoint = theAnchorPoint; |
105 | myIsValid = IsValidCircle (myCircle) && IsValidAnchor (myCircle, theAnchorPoint); |
106 | |
107 | if (myIsValid) |
108 | { |
109 | ComputePlane(); |
110 | } |
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111 | |
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112 | myIsValid &= CheckPlane (myPlane); |
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113 | |
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114 | SetToUpdate(); |
115 | } |
116 | |
117 | //======================================================================= |
118 | //function : SetMeasuredGeometry |
119 | //purpose : |
120 | //======================================================================= |
121 | void AIS_RadiusDimension::SetMeasuredGeometry (const TopoDS_Shape& theShape) |
122 | { |
123 | Standard_Boolean isClosed = Standard_False; |
124 | myShape = theShape; |
125 | myGeometryType = GeometryType_UndefShapes; |
126 | myIsValid = InitCircularDimension (theShape, myCircle, myAnchorPoint, isClosed) |
127 | && IsValidCircle (myCircle); |
128 | |
129 | if (myIsValid) |
130 | { |
131 | ComputePlane(); |
132 | } |
133 | |
134 | myIsValid &= CheckPlane (myPlane); |
135 | |
136 | SetToUpdate(); |
137 | } |
138 | |
139 | //======================================================================= |
140 | //function : CheckPlane |
141 | //purpose : |
142 | //======================================================================= |
143 | Standard_Boolean AIS_RadiusDimension::CheckPlane (const gp_Pln& thePlane) const |
144 | { |
145 | // Check if anchor point and circle center point belong to plane. |
146 | if (!thePlane.Contains (myAnchorPoint, Precision::Confusion()) && |
147 | !thePlane.Contains (myCircle.Location(), Precision::Confusion())) |
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148 | { |
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149 | return Standard_False; |
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150 | } |
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151 | |
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152 | return Standard_True; |
153 | } |
154 | |
155 | //======================================================================= |
156 | //function : ComputePlane |
157 | //purpose : |
158 | //======================================================================= |
159 | void AIS_RadiusDimension::ComputePlane() |
160 | { |
161 | if (!IsValid()) |
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162 | { |
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163 | return; |
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164 | } |
165 | |
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166 | gp_Dir aDimensionX = gce_MakeDir (myAnchorPoint, myCircle.Location()); |
167 | |
168 | myPlane = gp_Pln (gp_Ax3 (myCircle.Location(), |
169 | myCircle.Axis().Direction(), |
170 | aDimensionX)); |
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171 | } |
172 | |
173 | //======================================================================= |
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174 | //function : GetModelUnits |
175 | //purpose : |
176 | //======================================================================= |
177 | const TCollection_AsciiString& AIS_RadiusDimension::GetModelUnits() const |
178 | { |
179 | return myDrawer->DimLengthModelUnits(); |
180 | } |
181 | |
182 | //======================================================================= |
183 | //function : GetDisplayUnits |
184 | //purpose : |
185 | //======================================================================= |
186 | const TCollection_AsciiString& AIS_RadiusDimension::GetDisplayUnits() const |
187 | { |
188 | return myDrawer->DimLengthDisplayUnits(); |
189 | } |
190 | |
191 | //======================================================================= |
192 | //function : SetModelUnits |
193 | //purpose : |
194 | //======================================================================= |
195 | void AIS_RadiusDimension::SetModelUnits (const TCollection_AsciiString& theUnits) |
196 | { |
197 | myDrawer->SetDimLengthModelUnits (theUnits); |
198 | } |
199 | |
200 | //======================================================================= |
201 | //function : SetDisplayUnits |
202 | //purpose : |
203 | //======================================================================= |
204 | void AIS_RadiusDimension::SetDisplayUnits (const TCollection_AsciiString& theUnits) |
205 | { |
206 | myDrawer->SetDimLengthDisplayUnits(theUnits); |
207 | } |
208 | |
209 | //======================================================================= |
210 | //function : ComputeValue |
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211 | //purpose : |
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212 | //======================================================================= |
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213 | Standard_Real AIS_RadiusDimension::ComputeValue() const |
214 | { |
215 | if (!IsValid()) |
216 | { |
217 | return 0.0; |
218 | } |
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219 | |
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220 | return myCircle.Radius(); |
221 | } |
222 | |
223 | //======================================================================= |
224 | //function : Compute |
225 | //purpose : |
226 | //======================================================================= |
227 | void AIS_RadiusDimension::Compute (const Handle(PrsMgr_PresentationManager3d)& /*thePM*/, |
228 | const Handle(Prs3d_Presentation)& thePresentation, |
229 | const Standard_Integer theMode) |
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230 | { |
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231 | thePresentation->Clear(); |
232 | mySelectionGeom.Clear (theMode); |
233 | |
234 | if (!IsValid()) |
235 | { |
236 | return; |
237 | } |
238 | |
239 | DrawLinearDimension (thePresentation, theMode, myAnchorPoint, myCircle.Location(), Standard_True); |
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240 | } |
241 | |
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242 | //======================================================================= |
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243 | //function : IsValidCircle |
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244 | //purpose : |
245 | //======================================================================= |
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246 | Standard_Boolean AIS_RadiusDimension::IsValidCircle (const gp_Circ& theCircle) const |
247 | { |
248 | return theCircle.Radius() > Precision::Confusion(); |
249 | } |
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250 | |
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251 | //======================================================================= |
252 | //function : IsValidAnchor |
253 | //purpose : |
254 | //======================================================================= |
255 | Standard_Boolean AIS_RadiusDimension::IsValidAnchor (const gp_Circ& theCircle, |
256 | const gp_Pnt& theAnchor) const |
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257 | { |
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258 | gp_Pln aCirclePlane (theCircle.Location(), theCircle.Axis().Direction()); |
259 | Standard_Real anAnchorDist = theAnchor.Distance (theCircle.Location()); |
260 | Standard_Real aRadius = myCircle.Radius(); |
261 | |
262 | return Abs (anAnchorDist - aRadius) > Precision::Confusion() |
263 | && aCirclePlane.Contains (theAnchor, Precision::Confusion()); |
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264 | } |
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265 | |
266 | //======================================================================= |
267 | //function : GetTextPosition |
268 | //purpose : |
269 | //======================================================================= |
270 | const gp_Pnt AIS_RadiusDimension::GetTextPosition() const |
271 | { |
272 | if (IsTextPositionCustom()) |
273 | { |
274 | return myFixedTextPosition; |
275 | } |
276 | |
277 | // Counts text position according to the dimension parameters |
278 | return GetTextPositionForLinear (myAnchorPoint, myCircle.Location(), Standard_True); |
279 | } |
280 | |
281 | //======================================================================= |
282 | //function : GetTextPosition |
283 | //purpose : |
284 | //======================================================================= |
285 | void AIS_RadiusDimension::SetTextPosition (const gp_Pnt& theTextPos) |
286 | { |
287 | if (!myIsValid) |
288 | { |
289 | return; |
290 | } |
291 | |
292 | myIsTextPositionFixed = Standard_True; |
293 | myFixedTextPosition = theTextPos; |
294 | |
295 | SetToUpdate(); |
296 | } |