Files
OCCT/src/ShapeCustom/ShapeCustom.cxx
2012-03-05 19:23:40 +04:00

192 lines
6.6 KiB
C++
Executable File

//#71 rln 09.03.99: S4135: new class _TrsfModification and method ::ScaleShape
// abv 08.05.99: S4190: new class and method ConvertToRevolution
// gka 01.08.99 S4188 : new class and method LimitDegreeShape
// abv 16.06.99 general function ApplyModifier() implemented
// gka 21.06.99 general LimitDegreeShape renamed to BSplineRestriction
// szv 03.01.01 PositiveCones merged with DirectFaces
#include <ShapeCustom.hxx>
#include <ShapeCustom_DirectModification.hxx>
#include <ShapeCustom_TrsfModification.hxx>
#include <ShapeCustom_ConvertToRevolution.hxx>
#include <ShapeCustom_BSplineRestriction.hxx>
#include <ShapeCustom_ConvertToBSpline.hxx>
#include <ShapeCustom_SweptToElementary.hxx>
#include <gp_Trsf.hxx>
#include <GeomAbs_Shape.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Compound.hxx>
#include <TopoDS_Iterator.hxx>
#include <BRep_Builder.hxx>
#include <BRepTools_Modifier.hxx>
//=======================================================================
//function : ApplyModifier
//purpose : static
//=======================================================================
TopoDS_Shape ShapeCustom::ApplyModifier (const TopoDS_Shape &S,
const Handle(BRepTools_Modification) &M,
TopTools_DataMapOfShapeShape &context,
BRepTools_Modifier& MD )
{
// protect against INTERNAL/EXTERNAL shapes
TopoDS_Shape SF = S.Oriented(TopAbs_FORWARD);
// Process COMPOUNDs separately in order to handle sharing in assemblies
if ( SF.ShapeType() == TopAbs_COMPOUND ) {
Standard_Boolean locModified = Standard_False;
TopoDS_Compound C;
BRep_Builder B;
B.MakeCompound ( C );
for ( TopoDS_Iterator it(SF); it.More(); it.Next() ) {
TopoDS_Shape shape = it.Value();
TopLoc_Location L = shape.Location(), nullLoc;
shape.Location ( nullLoc );
TopoDS_Shape res;
if ( context.IsBound ( shape ) )
res = context.Find ( shape ).Oriented ( shape.Orientation() );
else res = ApplyModifier ( shape, M, context ,MD);
if ( ! res.IsSame ( shape ) ) {
context.Bind ( shape, res );
locModified = Standard_True;
}
res.Location ( L );
B.Add ( C, res );
}
if ( ! locModified ) return S;
context.Bind ( SF, C );
return C.Oriented ( S.Orientation() );
}
// Modify the shape
//BRepTools_Modifier Op(SF,M);
MD.Init(SF);
MD.Perform(M);
if ( ! MD.IsDone() ) return S;
return MD.ModifiedShape(SF).Oriented(S.Orientation());
}
//=======================================================================
//function : DirectFaces
//purpose :
//=======================================================================
TopoDS_Shape ShapeCustom::DirectFaces (const TopoDS_Shape& S)
{
// Create a modification description
Handle(ShapeCustom_DirectModification) DM =
new ShapeCustom_DirectModification();
TopTools_DataMapOfShapeShape context;
BRepTools_Modifier MD;
return ApplyModifier ( S, DM, context, MD );
}
//=======================================================================
//function : ScaleShape
//purpose :
//=======================================================================
TopoDS_Shape ShapeCustom::ScaleShape (const TopoDS_Shape& S, const Standard_Real scale)
{
// Create a modification description
gp_Trsf T;
T.SetScale (gp_Pnt (0, 0, 0), scale);
Handle(ShapeCustom_TrsfModification) TM = new ShapeCustom_TrsfModification(T);
TopTools_DataMapOfShapeShape context;
BRepTools_Modifier MD;
return ShapeCustom::ApplyModifier ( S, TM, context,MD );
}
//=======================================================================
//function : BSplineRestriction
//purpose :
//=======================================================================
TopoDS_Shape ShapeCustom::BSplineRestriction (const TopoDS_Shape& S, const Standard_Real Tol3d,
const Standard_Real Tol2d, const Standard_Integer MaxDegree,
const Standard_Integer MaxNbSegment,
const GeomAbs_Shape Continuity3d,
const GeomAbs_Shape Continuity2d,
const Standard_Boolean Degree,
const Standard_Boolean Rational,
const Handle(ShapeCustom_RestrictionParameters)& aParameters)
{
// Create a modification description
Handle(ShapeCustom_BSplineRestriction) BSR = new ShapeCustom_BSplineRestriction();
BSR->SetTol3d(Tol3d);
BSR->SetTol2d(Tol2d);
BSR->SetMaxDegree(MaxDegree);
BSR->SetMaxNbSegments(MaxNbSegment);
BSR->SetContinuity3d(Continuity3d);
BSR->SetContinuity2d(Continuity2d);
BSR->SetPriority(Degree);
BSR->SetConvRational(Rational);
BSR->SetRestrictionParameters(aParameters);
// Modify the shape
TopTools_DataMapOfShapeShape context;
BRepTools_Modifier MD;
return ShapeCustom::ApplyModifier ( S, BSR, context ,MD);
}
//=======================================================================
//function : ConvertToRevolution
//purpose :
//=======================================================================
TopoDS_Shape ShapeCustom::ConvertToRevolution (const TopoDS_Shape& S)
{
// Create a modification description
Handle(ShapeCustom_ConvertToRevolution) CRev =
new ShapeCustom_ConvertToRevolution();
TopTools_DataMapOfShapeShape context;
BRepTools_Modifier MD;
return ShapeCustom::ApplyModifier ( S, CRev, context,MD );
}
//=======================================================================
//function : SweptToElementary
//purpose :
//=======================================================================
TopoDS_Shape ShapeCustom::SweptToElementary (const TopoDS_Shape& S)
{
// Create a modification description
Handle(ShapeCustom_SweptToElementary) SE =
new ShapeCustom_SweptToElementary();
TopTools_DataMapOfShapeShape context;
BRepTools_Modifier MD;
return ShapeCustom::ApplyModifier(S,SE,context,MD);
}
//=======================================================================
//function : ConvertToBSpline
//purpose :
//=======================================================================
TopoDS_Shape ShapeCustom::ConvertToBSpline (const TopoDS_Shape& S,
const Standard_Boolean extrMode,
const Standard_Boolean revolMode,
const Standard_Boolean offsetMode,
const Standard_Boolean planeMode)
{
// Create a modification description
Handle(ShapeCustom_ConvertToBSpline) BSRev = new ShapeCustom_ConvertToBSpline();
BSRev->SetExtrusionMode(extrMode);
BSRev->SetRevolutionMode(revolMode);
BSRev->SetOffsetMode(offsetMode);
BSRev->SetPlaneMode(planeMode);
TopTools_DataMapOfShapeShape context;
BRepTools_Modifier MD;
return ShapeCustom::ApplyModifier ( S, BSRev, context, MD);
}