-// Copyright (C) 2007-2012 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2014 CEA/DEN, EDF R&D, OPEN CASCADE
//
// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
-// version 2.1 of the License.
+// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
#include <TopAbs.hxx>
#include <TopExp.hxx>
+#include <BRepClass3d_SolidClassifier.hxx>
+
#include <Precision.hxx>
#include <gp_Pnt.hxx>
#include <Standard_ConstructionError.hxx>
#include <StdFail_NotDone.hxx>
+#include "utilities.h"
+
//=======================================================================
//function : GetID
//purpose :
TopoDS_Shape aShape;
- if (aType == OFFSET_SHAPE || aType == OFFSET_SHAPE_COPY) {
- Handle(GEOM_Function) aRefShape = aCI.GetShape();
- TopoDS_Shape aShapeBase = aRefShape->GetValue();
- Standard_Real anOffset = aCI.GetValue();
- Standard_Real aTol = Precision::Confusion();
-
- if (Abs(anOffset) < aTol) {
- TCollection_AsciiString aMsg ("Absolute value of offset can not be less than the tolerance value (");
- aMsg += TCollection_AsciiString(aTol);
- aMsg += ")";
- StdFail_NotDone::Raise(aMsg.ToCString());
- }
+ Handle(GEOM_Function) aRefShape = aCI.GetShape();
+ TopoDS_Shape aShapeBase = aRefShape->GetValue();
+ Standard_Real anOffset = aCI.GetValue();
+ Standard_Real aTol = Precision::Confusion();
+ if (Abs(anOffset) < aTol) {
+ TCollection_AsciiString aMsg ("Absolute value of offset can not be less than the tolerance value (");
+ aMsg += TCollection_AsciiString(aTol);
+ aMsg += ")";
+ StdFail_NotDone::Raise(aMsg.ToCString());
+ }
+
+ if (aType == OFFSET_SHAPE || aType == OFFSET_SHAPE_COPY) {
BRepOffsetAPI_MakeOffsetShape MO (aShapeBase,
aCI.GetValue(),
aTol);
else {
StdFail_NotDone::Raise("Offset construction failed");
}
- } else {
+ }
+ else if (aType == OFFSET_THICKENING || aType == OFFSET_THICKENING_COPY)
+ {
+ BRepClass3d_SolidClassifier aClassifier = BRepClass3d_SolidClassifier(aShapeBase);
+ aClassifier.PerformInfinitePoint(Precision::Confusion());
+ if (aClassifier.State()==TopAbs_IN)
+ {
+ // If the generated pipe faces normals are oriented towards the inside, the offset is negative
+ // so that the thickening is still towards outside
+ anOffset=-anOffset;
+ }
+
+ BRepOffset_MakeOffset myOffsetShape(aShapeBase, anOffset, aTol, BRepOffset_Skin,
+ Standard_False, Standard_False, GeomAbs_Intersection, Standard_True);
+
+ if (!myOffsetShape.IsDone())
+ {
+ StdFail_NotDone::Raise("Thickening construction failed");
+ }
+ aShape = myOffsetShape.Shape();
+
+ // Control the solid orientation. This is mostly done to fix a bug in case of extrusion
+ // of a circle. The built solid is then badly oriented
+ BRepClass3d_SolidClassifier anotherClassifier = BRepClass3d_SolidClassifier(aShape);
+ anotherClassifier.PerformInfinitePoint(Precision::Confusion());
+ if (anotherClassifier.State()==TopAbs_IN)
+ {
+ aShape.Reverse();
+ }
}
if (aShape.IsNull()) return 0;
return 1;
}
+//================================================================================
+/*!
+ * \brief Returns a name of creation operation and names and values of creation parameters
+ */
+//================================================================================
-//=======================================================================
-//function : GEOMImpl_OffsetDriver_Type_
-//purpose :
-//=======================================================================
-Standard_EXPORT Handle_Standard_Type& GEOMImpl_OffsetDriver_Type_()
-{
-
- static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
- if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
- static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
- if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
- static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
- if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
-
-
- static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
- static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_OffsetDriver",
- sizeof(GEOMImpl_OffsetDriver),
- 1,
- (Standard_Address)_Ancestors,
- (Standard_Address)NULL);
-
- return _aType;
-}
-
-//=======================================================================
-//function : DownCast
-//purpose :
-//=======================================================================
-const Handle(GEOMImpl_OffsetDriver) Handle(GEOMImpl_OffsetDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
+bool GEOMImpl_OffsetDriver::
+GetCreationInformation(std::string& theOperationName,
+ std::vector<GEOM_Param>& theParams)
{
- Handle(GEOMImpl_OffsetDriver) _anOtherObject;
-
- if (!AnObject.IsNull()) {
- if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_OffsetDriver))) {
- _anOtherObject = Handle(GEOMImpl_OffsetDriver)((Handle(GEOMImpl_OffsetDriver)&)AnObject);
- }
+ if (Label().IsNull()) return 0;
+ Handle(GEOM_Function) function = GEOM_Function::GetFunction(Label());
+
+ GEOMImpl_IOffset aCI( function );
+ Standard_Integer aType = function->GetType();
+
+ switch ( aType ) {
+ case OFFSET_SHAPE:
+ case OFFSET_SHAPE_COPY:
+ theOperationName = "OFFSET";
+ AddParam( theParams, "Object", aCI.GetShape() );
+ AddParam( theParams, "Offset", aCI.GetValue() );
+ break;
+ case OFFSET_THICKENING:
+ case OFFSET_THICKENING_COPY:
+ theOperationName = "MakeThickening";
+ AddParam( theParams, "Object", aCI.GetShape() );
+ AddParam( theParams, "Offset", aCI.GetValue() );
+ break;
+ default:
+ return false;
}
-
- return _anOtherObject ;
+
+ return true;
}
+
+IMPLEMENT_STANDARD_HANDLE (GEOMImpl_OffsetDriver,GEOM_BaseDriver);
+IMPLEMENT_STANDARD_RTTIEXT (GEOMImpl_OffsetDriver,GEOM_BaseDriver);
