Files
OCCT/src/ShapeCustom/ShapeCustom.cxx
2014-11-05 17:32:34 +03:00

251 lines
8.5 KiB
C++

// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
//#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>
#include <ShapeBuild_ReShape.hxx>
#include <Standard_ErrorHandler.hxx>
#include <Message_ProgressIndicator.hxx>
#include <Message_ProgressSentry.hxx>
//=======================================================================
//function : ApplyModifier
//purpose : static
//=======================================================================
TopoDS_Shape ShapeCustom::ApplyModifier (const TopoDS_Shape &S,
const Handle(BRepTools_Modification) &M,
TopTools_DataMapOfShapeShape &context,
BRepTools_Modifier& MD,
const Handle(Message_ProgressIndicator) & aProgress,
const Handle(ShapeBuild_ReShape) & aReShape)
{
// 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 );
Standard_Integer aShapeCount = 0;
{
for (TopoDS_Iterator it(SF); it.More(); it.Next()) ++aShapeCount;
}
Message_ProgressSentry aPSentry(aProgress, "Applying Modifier For Solids", 0, aShapeCount, 1);
for ( TopoDS_Iterator it(SF); it.More() && aPSentry.More(); it.Next(), aPSentry.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, aProgress);
if ( ! res.IsSame ( shape ) ) {
context.Bind ( shape, res );
locModified = Standard_True;
}
res.Location ( L );
B.Add ( C, res );
}
if ( !aPSentry.More() )
{
// Was cancelled
return S;
}
if ( ! locModified ) return S;
context.Bind ( SF, C );
return C.Oriented ( S.Orientation() );
}
Message_ProgressSentry aPSentry(aProgress, "Modify the Shape", 0, 1, 1);
// Modify the shape
MD.Init(SF);
MD.Perform(M, aProgress);
if ( !aPSentry.More() || !MD.IsDone() ) return S;
if ( !aReShape.IsNull() )
{
for(TopoDS_Iterator theIterator(SF,Standard_False);theIterator.More();theIterator.Next())
{
const TopoDS_Shape & current = theIterator.Value();
TopoDS_Shape result;
try
{
OCC_CATCH_SIGNALS
result = MD.ModifiedShape( current );
}
catch (Standard_NoSuchObject)
{
// the sub shape isn't in the map
result.Nullify();
}
if (!result.IsNull() && !current.IsSame(result))
{
aReShape->Replace(current, result);
}
}
}
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);
}