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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 | |
25 | namespace |
26 | { |
27 | static const Standard_ExtCharacter THE_RADIUS_SYMBOL ('R'); |
28 | }; |
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29 | |
30 | //======================================================================= |
31 | //function : Constructor |
32 | //purpose : |
33 | //======================================================================= |
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34 | AIS_RadiusDimension::AIS_RadiusDimension (const gp_Circ& theCircle) |
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35 | : AIS_Dimension (AIS_KOD_RADIUS) |
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36 | { |
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37 | SetMeasuredGeometry (theCircle); |
38 | SetSpecialSymbol (THE_RADIUS_SYMBOL); |
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39 | SetDisplaySpecialSymbol (AIS_DSS_Before); |
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40 | SetFlyout (0.0); |
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41 | } |
42 | |
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43 | //======================================================================= |
44 | //function : Constructor |
45 | //purpose : |
46 | //======================================================================= |
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47 | AIS_RadiusDimension::AIS_RadiusDimension (const gp_Circ& theCircle, |
48 | const gp_Pnt& theAttachPoint) |
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49 | : AIS_Dimension (AIS_KOD_RADIUS) |
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50 | { |
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51 | SetMeasuredGeometry (theCircle, theAttachPoint); |
52 | SetSpecialSymbol (THE_RADIUS_SYMBOL); |
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53 | SetDisplaySpecialSymbol (AIS_DSS_Before); |
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54 | SetFlyout (0.0); |
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55 | } |
56 | |
57 | //======================================================================= |
58 | //function : Constructor |
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59 | //purpose : |
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60 | //======================================================================= |
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61 | AIS_RadiusDimension::AIS_RadiusDimension (const TopoDS_Shape& theShape) |
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62 | : AIS_Dimension (AIS_KOD_RADIUS) |
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63 | { |
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64 | SetMeasuredGeometry (theShape); |
65 | SetSpecialSymbol (THE_RADIUS_SYMBOL); |
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66 | SetDisplaySpecialSymbol (AIS_DSS_Before); |
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67 | SetFlyout (0.0); |
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68 | } |
69 | |
70 | //======================================================================= |
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71 | //function : SetMeasuredGeometry |
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72 | //purpose : |
73 | //======================================================================= |
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74 | void AIS_RadiusDimension::SetMeasuredGeometry (const gp_Circ& theCircle) |
75 | { |
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76 | myCircle = theCircle; |
77 | myGeometryType = GeometryType_Edge; |
78 | myShape = BRepLib_MakeEdge (theCircle); |
79 | myAnchorPoint = ElCLib::Value (0, myCircle); |
80 | myIsGeometryValid = IsValidCircle (myCircle); |
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81 | |
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82 | if (myIsGeometryValid) |
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83 | { |
84 | ComputePlane(); |
85 | } |
86 | |
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87 | SetToUpdate(); |
88 | } |
89 | |
90 | //======================================================================= |
91 | //function : SetMeasuredGeometry |
92 | //purpose : |
93 | //======================================================================= |
94 | void AIS_RadiusDimension::SetMeasuredGeometry (const gp_Circ& theCircle, |
95 | const gp_Pnt& theAnchorPoint) |
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96 | { |
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97 | myCircle = theCircle; |
98 | myGeometryType = GeometryType_Edge; |
99 | myShape = BRepLib_MakeEdge (theCircle); |
100 | myAnchorPoint = theAnchorPoint; |
101 | myIsGeometryValid = IsValidCircle (myCircle) && IsValidAnchor (myCircle, theAnchorPoint); |
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102 | |
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103 | if (myIsGeometryValid) |
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104 | { |
105 | ComputePlane(); |
106 | } |
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107 | |
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108 | SetToUpdate(); |
109 | } |
110 | |
111 | //======================================================================= |
112 | //function : SetMeasuredGeometry |
113 | //purpose : |
114 | //======================================================================= |
115 | void AIS_RadiusDimension::SetMeasuredGeometry (const TopoDS_Shape& theShape) |
116 | { |
117 | Standard_Boolean isClosed = Standard_False; |
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118 | myShape = theShape; |
119 | myGeometryType = GeometryType_UndefShapes; |
120 | myIsGeometryValid = InitCircularDimension (theShape, myCircle, myAnchorPoint, isClosed) |
121 | && IsValidCircle (myCircle); |
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122 | |
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123 | if (myIsGeometryValid) |
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124 | { |
125 | ComputePlane(); |
126 | } |
127 | |
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128 | SetToUpdate(); |
129 | } |
130 | |
131 | //======================================================================= |
132 | //function : CheckPlane |
133 | //purpose : |
134 | //======================================================================= |
135 | Standard_Boolean AIS_RadiusDimension::CheckPlane (const gp_Pln& thePlane) const |
136 | { |
137 | // Check if anchor point and circle center point belong to plane. |
138 | if (!thePlane.Contains (myAnchorPoint, Precision::Confusion()) && |
139 | !thePlane.Contains (myCircle.Location(), Precision::Confusion())) |
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140 | { |
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141 | return Standard_False; |
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142 | } |
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143 | |
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144 | return Standard_True; |
145 | } |
146 | |
147 | //======================================================================= |
148 | //function : ComputePlane |
149 | //purpose : |
150 | //======================================================================= |
151 | void AIS_RadiusDimension::ComputePlane() |
152 | { |
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153 | if (!myIsGeometryValid) |
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154 | { |
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155 | return; |
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156 | } |
157 | |
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158 | gp_Dir aDimensionX = gce_MakeDir (myAnchorPoint, myCircle.Location()); |
159 | |
160 | myPlane = gp_Pln (gp_Ax3 (myCircle.Location(), |
161 | myCircle.Axis().Direction(), |
162 | aDimensionX)); |
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163 | } |
164 | |
165 | //======================================================================= |
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166 | //function : GetModelUnits |
167 | //purpose : |
168 | //======================================================================= |
169 | const TCollection_AsciiString& AIS_RadiusDimension::GetModelUnits() const |
170 | { |
171 | return myDrawer->DimLengthModelUnits(); |
172 | } |
173 | |
174 | //======================================================================= |
175 | //function : GetDisplayUnits |
176 | //purpose : |
177 | //======================================================================= |
178 | const TCollection_AsciiString& AIS_RadiusDimension::GetDisplayUnits() const |
179 | { |
180 | return myDrawer->DimLengthDisplayUnits(); |
181 | } |
182 | |
183 | //======================================================================= |
184 | //function : SetModelUnits |
185 | //purpose : |
186 | //======================================================================= |
187 | void AIS_RadiusDimension::SetModelUnits (const TCollection_AsciiString& theUnits) |
188 | { |
189 | myDrawer->SetDimLengthModelUnits (theUnits); |
190 | } |
191 | |
192 | //======================================================================= |
193 | //function : SetDisplayUnits |
194 | //purpose : |
195 | //======================================================================= |
196 | void AIS_RadiusDimension::SetDisplayUnits (const TCollection_AsciiString& theUnits) |
197 | { |
198 | myDrawer->SetDimLengthDisplayUnits(theUnits); |
199 | } |
200 | |
201 | //======================================================================= |
202 | //function : ComputeValue |
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203 | //purpose : |
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204 | //======================================================================= |
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205 | Standard_Real AIS_RadiusDimension::ComputeValue() const |
206 | { |
207 | if (!IsValid()) |
208 | { |
209 | return 0.0; |
210 | } |
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211 | |
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212 | return myCircle.Radius(); |
213 | } |
214 | |
215 | //======================================================================= |
216 | //function : Compute |
217 | //purpose : |
218 | //======================================================================= |
219 | void AIS_RadiusDimension::Compute (const Handle(PrsMgr_PresentationManager3d)& /*thePM*/, |
220 | const Handle(Prs3d_Presentation)& thePresentation, |
221 | const Standard_Integer theMode) |
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222 | { |
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223 | thePresentation->Clear(); |
224 | mySelectionGeom.Clear (theMode); |
225 | |
226 | if (!IsValid()) |
227 | { |
228 | return; |
229 | } |
230 | |
231 | DrawLinearDimension (thePresentation, theMode, myAnchorPoint, myCircle.Location(), Standard_True); |
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232 | } |
233 | |
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234 | //======================================================================= |
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235 | //function : IsValidCircle |
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236 | //purpose : |
237 | //======================================================================= |
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238 | Standard_Boolean AIS_RadiusDimension::IsValidCircle (const gp_Circ& theCircle) const |
239 | { |
240 | return theCircle.Radius() > Precision::Confusion(); |
241 | } |
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242 | |
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243 | //======================================================================= |
244 | //function : IsValidAnchor |
245 | //purpose : |
246 | //======================================================================= |
247 | Standard_Boolean AIS_RadiusDimension::IsValidAnchor (const gp_Circ& theCircle, |
248 | const gp_Pnt& theAnchor) const |
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249 | { |
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250 | gp_Pln aCirclePlane (theCircle.Location(), theCircle.Axis().Direction()); |
251 | Standard_Real anAnchorDist = theAnchor.Distance (theCircle.Location()); |
252 | Standard_Real aRadius = myCircle.Radius(); |
253 | |
254 | return Abs (anAnchorDist - aRadius) > Precision::Confusion() |
255 | && aCirclePlane.Contains (theAnchor, Precision::Confusion()); |
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256 | } |
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257 | |
258 | //======================================================================= |
259 | //function : GetTextPosition |
260 | //purpose : |
261 | //======================================================================= |
262 | const gp_Pnt AIS_RadiusDimension::GetTextPosition() const |
263 | { |
264 | if (IsTextPositionCustom()) |
265 | { |
266 | return myFixedTextPosition; |
267 | } |
268 | |
269 | // Counts text position according to the dimension parameters |
270 | return GetTextPositionForLinear (myAnchorPoint, myCircle.Location(), Standard_True); |
271 | } |
272 | |
273 | //======================================================================= |
274 | //function : GetTextPosition |
275 | //purpose : |
276 | //======================================================================= |
277 | void AIS_RadiusDimension::SetTextPosition (const gp_Pnt& theTextPos) |
278 | { |
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279 | if (!myIsGeometryValid) |
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280 | { |
281 | return; |
282 | } |
283 | |
284 | myIsTextPositionFixed = Standard_True; |
285 | myFixedTextPosition = theTextPos; |
286 | |
287 | SetToUpdate(); |
288 | } |