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