geom/src/GEOM/GEOM_SubShapeDriver.cxx
2004-12-01 10:39:14 +00:00

151 lines
4.5 KiB
C++

using namespace std;
#include "GEOM_SubShapeDriver.hxx"
#include "GEOM_ISubShape.hxx"
#include "GEOM_Function.hxx"
#include "GEOM_Object.hxx"
#include <BRep_Tool.hxx>
#include <BRep_Builder.hxx>
#include <BRepGProp.hxx>
#include <TopAbs.hxx>
#include <TopExp.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Wire.hxx>
#include <TopoDS_Solid.hxx>
#include <TopoDS_Compound.hxx>
#include <TopoDS_Iterator.hxx>
#include <TopExp_Explorer.hxx>
#include <TopTools_MapOfShape.hxx>
#include <TopTools_SequenceOfShape.hxx>
#include <TopTools_Array1OfShape.hxx>
#include <TopTools_IndexedMapOfShape.hxx>
#include <GProp_GProps.hxx>
#include <gp_Pnt.hxx>
#include <TColStd_Array1OfReal.hxx>
#include <Precision.hxx>
#include <Standard_NullObject.hxx>
#include <Standard_TypeMismatch.hxx>
//=======================================================================
//function : GEOM_SubShapeDriver
//purpose :
//=======================================================================
GEOM_SubShapeDriver::GEOM_SubShapeDriver()
{
}
//=======================================================================
//function : Execute
//purpose :
//=======================================================================
Standard_Integer GEOM_SubShapeDriver::Execute(TFunction_Logbook& log) const
{
if (Label().IsNull()) return 0;
Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
GEOM_ISubShape aCI (aFunction);
TDF_Label aLabel = aCI.GetMainShape()->GetOwnerEntry();
if (aLabel.IsRoot()) return 0;
Handle(GEOM_Object) anObj = GEOM_Object::GetObject(aLabel);
if (anObj.IsNull()) return 0;
TopoDS_Shape aMainShape = anObj->GetValue();
if (aMainShape.IsNull()) return 0;
Handle(TColStd_HArray1OfInteger) anIndices = aCI.GetIndices();
if (anIndices.IsNull() || anIndices->Length() <= 0) return 0;
BRep_Builder B;
TopoDS_Compound aCompound;
TopoDS_Shape aShape;
if (anIndices->Length() == 1 && anIndices->Value(1) == -1) { //The empty subshape
B.MakeCompound(aCompound);
aShape = aCompound;
} else {
TopTools_IndexedMapOfShape aMapOfShapes;
TopExp::MapShapes(aMainShape, aMapOfShapes);
if (anIndices->Length() > 1) {
B.MakeCompound(aCompound);
for (int i = anIndices->Lower(); i<= anIndices->Upper(); i++) {
if (aMapOfShapes.Extent() < anIndices->Value(i))
Standard_NullObject::Raise("GEOM_SubShapeDriver::Execute: Index is out of range");
TopoDS_Shape aSubShape = aMapOfShapes.FindKey(anIndices->Value(i));
if (aSubShape.IsNull()) continue;
B.Add(aCompound,aSubShape);
}
aShape = aCompound;
} else {
if (aMapOfShapes.Extent() < anIndices->Value(1))
Standard_NullObject::Raise("GEOM_SubShapeDriver::Execute: Index is out of range");
aShape = aMapOfShapes.FindKey(anIndices->Value(1));
}
}
if (aShape.IsNull()) return 0;
aFunction->SetValue(aShape);
log.SetTouched(Label());
return 1;
}
//=======================================================================
//function : GEOM_SubShapeDriver_Type_
//purpose :
//=======================================================================
Standard_EXPORT Handle_Standard_Type& GEOM_SubShapeDriver_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("GEOM_SubShapeDriver",
sizeof(GEOM_SubShapeDriver),
1,
(Standard_Address)_Ancestors,
(Standard_Address)NULL);
return _aType;
}
//=======================================================================
//function : DownCast
//purpose :
//=======================================================================
const Handle(GEOM_SubShapeDriver) Handle(GEOM_SubShapeDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
{
Handle(GEOM_SubShapeDriver) _anOtherObject;
if (!AnObject.IsNull()) {
if (AnObject->IsKind(STANDARD_TYPE(GEOM_SubShapeDriver))) {
_anOtherObject = Handle(GEOM_SubShapeDriver)((Handle(GEOM_SubShapeDriver)&)AnObject);
}
}
return _anOtherObject ;
}