| 1 | // Created on: 1996-12-05 |
| 2 | // Created by: Jean-Pierre COMBE/Odile Olivier/Serguei Zaritchny |
| 3 | // Copyright (c) 1996-1999 Matra Datavision |
| 4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
| 5 | // |
| 6 | // This file is part of Open CASCADE Technology software library. |
| 7 | // |
| 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 |
| 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. |
| 13 | // |
| 14 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 15 | // commercial license or contractual agreement. |
| 16 | |
| 17 | #include <AIS_RadiusDimension.hxx> |
| 18 | |
| 19 | #include <AIS.hxx> |
| 20 | #include <BRepLib_MakeEdge.hxx> |
| 21 | #include <ElCLib.hxx> |
| 22 | #include <gce_MakeDir.hxx> |
| 23 | |
| 24 | |
| 25 | namespace |
| 26 | { |
| 27 | static const Standard_ExtCharacter THE_RADIUS_SYMBOL ('R'); |
| 28 | }; |
| 29 | |
| 30 | //======================================================================= |
| 31 | //function : Constructor |
| 32 | //purpose : |
| 33 | //======================================================================= |
| 34 | AIS_RadiusDimension::AIS_RadiusDimension (const gp_Circ& theCircle) |
| 35 | : AIS_Dimension (AIS_KOD_RADIUS) |
| 36 | { |
| 37 | SetMeasuredGeometry (theCircle); |
| 38 | SetSpecialSymbol (THE_RADIUS_SYMBOL); |
| 39 | SetDisplaySpecialSymbol (AIS_DSS_Before); |
| 40 | SetFlyout (0.0); |
| 41 | } |
| 42 | |
| 43 | //======================================================================= |
| 44 | //function : Constructor |
| 45 | //purpose : |
| 46 | //======================================================================= |
| 47 | AIS_RadiusDimension::AIS_RadiusDimension (const gp_Circ& theCircle, |
| 48 | const gp_Pnt& theAttachPoint) |
| 49 | : AIS_Dimension (AIS_KOD_RADIUS) |
| 50 | { |
| 51 | SetMeasuredGeometry (theCircle, theAttachPoint); |
| 52 | SetSpecialSymbol (THE_RADIUS_SYMBOL); |
| 53 | SetDisplaySpecialSymbol (AIS_DSS_Before); |
| 54 | SetFlyout (0.0); |
| 55 | } |
| 56 | |
| 57 | //======================================================================= |
| 58 | //function : Constructor |
| 59 | //purpose : |
| 60 | //======================================================================= |
| 61 | AIS_RadiusDimension::AIS_RadiusDimension (const TopoDS_Shape& theShape) |
| 62 | : AIS_Dimension (AIS_KOD_RADIUS) |
| 63 | { |
| 64 | SetMeasuredGeometry (theShape); |
| 65 | SetSpecialSymbol (THE_RADIUS_SYMBOL); |
| 66 | SetDisplaySpecialSymbol (AIS_DSS_Before); |
| 67 | SetFlyout (0.0); |
| 68 | } |
| 69 | |
| 70 | //======================================================================= |
| 71 | //function : SetMeasuredGeometry |
| 72 | //purpose : |
| 73 | //======================================================================= |
| 74 | void AIS_RadiusDimension::SetMeasuredGeometry (const gp_Circ& theCircle) |
| 75 | { |
| 76 | myCircle = theCircle; |
| 77 | myGeometryType = GeometryType_Edge; |
| 78 | myShape = BRepLib_MakeEdge (theCircle); |
| 79 | myAnchorPoint = ElCLib::Value (0, myCircle); |
| 80 | myIsGeometryValid = IsValidCircle (myCircle); |
| 81 | |
| 82 | if (myIsGeometryValid) |
| 83 | { |
| 84 | ComputePlane(); |
| 85 | } |
| 86 | |
| 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) |
| 96 | { |
| 97 | myCircle = theCircle; |
| 98 | myGeometryType = GeometryType_Edge; |
| 99 | myShape = BRepLib_MakeEdge (theCircle); |
| 100 | myAnchorPoint = theAnchorPoint; |
| 101 | myIsGeometryValid = IsValidCircle (myCircle) && IsValidAnchor (myCircle, theAnchorPoint); |
| 102 | |
| 103 | if (myIsGeometryValid) |
| 104 | { |
| 105 | ComputePlane(); |
| 106 | } |
| 107 | |
| 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; |
| 118 | myShape = theShape; |
| 119 | myGeometryType = GeometryType_UndefShapes; |
| 120 | myIsGeometryValid = InitCircularDimension (theShape, myCircle, myAnchorPoint, isClosed) |
| 121 | && IsValidCircle (myCircle); |
| 122 | |
| 123 | if (myIsGeometryValid) |
| 124 | { |
| 125 | ComputePlane(); |
| 126 | } |
| 127 | |
| 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())) |
| 140 | { |
| 141 | return Standard_False; |
| 142 | } |
| 143 | |
| 144 | return Standard_True; |
| 145 | } |
| 146 | |
| 147 | //======================================================================= |
| 148 | //function : ComputePlane |
| 149 | //purpose : |
| 150 | //======================================================================= |
| 151 | void AIS_RadiusDimension::ComputePlane() |
| 152 | { |
| 153 | if (!myIsGeometryValid) |
| 154 | { |
| 155 | return; |
| 156 | } |
| 157 | |
| 158 | gp_Dir aDimensionX = gce_MakeDir (myAnchorPoint, myCircle.Location()); |
| 159 | |
| 160 | myPlane = gp_Pln (gp_Ax3 (myCircle.Location(), |
| 161 | myCircle.Axis().Direction(), |
| 162 | aDimensionX)); |
| 163 | } |
| 164 | |
| 165 | //======================================================================= |
| 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 |
| 203 | //purpose : |
| 204 | //======================================================================= |
| 205 | Standard_Real AIS_RadiusDimension::ComputeValue() const |
| 206 | { |
| 207 | if (!IsValid()) |
| 208 | { |
| 209 | return 0.0; |
| 210 | } |
| 211 | |
| 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) |
| 222 | { |
| 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); |
| 232 | } |
| 233 | |
| 234 | //======================================================================= |
| 235 | //function : IsValidCircle |
| 236 | //purpose : |
| 237 | //======================================================================= |
| 238 | Standard_Boolean AIS_RadiusDimension::IsValidCircle (const gp_Circ& theCircle) const |
| 239 | { |
| 240 | return theCircle.Radius() > Precision::Confusion(); |
| 241 | } |
| 242 | |
| 243 | //======================================================================= |
| 244 | //function : IsValidAnchor |
| 245 | //purpose : |
| 246 | //======================================================================= |
| 247 | Standard_Boolean AIS_RadiusDimension::IsValidAnchor (const gp_Circ& theCircle, |
| 248 | const gp_Pnt& theAnchor) const |
| 249 | { |
| 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()); |
| 256 | } |
| 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 | { |
| 279 | if (!myIsGeometryValid) |
| 280 | { |
| 281 | return; |
| 282 | } |
| 283 | |
| 284 | myIsTextPositionFixed = Standard_True; |
| 285 | myFixedTextPosition = theTextPos; |
| 286 | |
| 287 | SetToUpdate(); |
| 288 | } |