162 lines
6.3 KiB
C++
162 lines
6.3 KiB
C++
/***************************************************************************
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* Copyright (c) 2008 Werner Mayer <wmayer[at]users.sourceforge.net> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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# include <BRepAlgo.hxx>
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# include <BRepFilletAPI_MakeFillet.hxx>
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# include <TopoDS.hxx>
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# include <TopoDS_Edge.hxx>
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# include <TopTools_ListOfShape.hxx>
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# include <ShapeFix_Shape.hxx>
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# include <ShapeFix_ShapeTolerance.hxx>
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#endif
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#include <Base/Exception.h>
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#include <Base/Reader.h>
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#include <Mod/Part/App/TopoShape.h>
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#include "FeatureFillet.h"
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using namespace PartDesign;
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PROPERTY_SOURCE(PartDesign::Fillet, PartDesign::DressUp)
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const App::PropertyQuantityConstraint::Constraints floatRadius = {0.0,FLT_MAX,0.1};
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Fillet::Fillet()
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{
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ADD_PROPERTY_TYPE(Radius, (1.0), "Fillet", App::Prop_None, "Fillet radius.");
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Radius.setUnit(Base::Unit::Length);
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Radius.setConstraints(&floatRadius);
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ADD_PROPERTY_TYPE(UseAllEdges, (false), "Fillet", App::Prop_None,
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"Fillet all edges if true, else use only those edges in Base property.\n"
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"If true, then this overrides any edge changes made to the Base property or in the dialog.\n");
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}
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short Fillet::mustExecute() const
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{
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if (Placement.isTouched() || Radius.isTouched())
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return 1;
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return DressUp::mustExecute();
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}
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App::DocumentObjectExecReturn *Fillet::execute(void)
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{
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Part::TopoShape TopShape;
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try {
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TopShape = getBaseShape();
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} catch (Base::Exception& e) {
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return new App::DocumentObjectExecReturn(e.what());
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}
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std::vector<std::string> SubNames = std::vector<std::string>(Base.getSubValues());
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if (UseAllEdges.getValue()){
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SubNames.clear();
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std::string edgeTypeName = Part::TopoShape::shapeName(TopAbs_EDGE); //"Edge"
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int count = TopShape.countSubElements(edgeTypeName.c_str());
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for (int ii = 0; ii < count; ii++){
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std::ostringstream edgeName;
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edgeName << edgeTypeName << ii+1;
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SubNames.push_back(edgeName.str());
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}
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}
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getContinuousEdges(TopShape, SubNames);
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if (SubNames.size() == 0)
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return new App::DocumentObjectExecReturn("Fillet not possible on selected shapes");
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double radius = Radius.getValue();
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if(radius <= 0)
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return new App::DocumentObjectExecReturn("Fillet radius must be greater than zero");
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this->positionByBaseFeature();
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// create an untransformed copy of the base shape
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Part::TopoShape baseShape(TopShape);
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baseShape.setTransform(Base::Matrix4D());
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try {
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BRepFilletAPI_MakeFillet mkFillet(baseShape.getShape());
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for (std::vector<std::string>::const_iterator it=SubNames.begin(); it != SubNames.end(); ++it) {
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TopoDS_Edge edge = TopoDS::Edge(baseShape.getSubShape(it->c_str()));
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mkFillet.Add(radius, edge);
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}
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mkFillet.Build();
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if (!mkFillet.IsDone())
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return new App::DocumentObjectExecReturn("Failed to create fillet");
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TopoDS_Shape shape = mkFillet.Shape();
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if (shape.IsNull())
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return new App::DocumentObjectExecReturn("Resulting shape is null");
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TopTools_ListOfShape aLarg;
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aLarg.Append(baseShape.getShape());
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if (!BRepAlgo::IsValid(aLarg, shape, Standard_False, Standard_False)) {
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ShapeFix_ShapeTolerance aSFT;
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aSFT.LimitTolerance(shape, Precision::Confusion(), Precision::Confusion(), TopAbs_SHAPE);
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Handle(ShapeFix_Shape) aSfs = new ShapeFix_Shape(shape);
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aSfs->Perform();
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shape = aSfs->Shape();
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if (!BRepAlgo::IsValid(aLarg, shape, Standard_False, Standard_False)) {
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return new App::DocumentObjectExecReturn("Resulting shape is invalid");
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}
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}
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int solidCount = countSolids(shape);
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if (solidCount > 1) {
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return new App::DocumentObjectExecReturn("Fillet: Result has multiple solids. This is not supported at this time.");
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}
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shape = refineShapeIfActive(shape);
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this->Shape.setValue(getSolid(shape));
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return App::DocumentObject::StdReturn;
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}
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catch (Standard_Failure& e) {
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return new App::DocumentObjectExecReturn(e.GetMessageString());
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}
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}
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void Fillet::Restore(Base::XMLReader &reader)
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{
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DressUp::Restore(reader);
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}
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void Fillet::handleChangedPropertyType(Base::XMLReader &reader, const char * TypeName, App::Property * prop)
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{
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if (prop && strcmp(TypeName,"App::PropertyFloatConstraint") == 0 &&
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strcmp(prop->getTypeId().getName(), "App::PropertyQuantityConstraint") == 0) {
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App::PropertyFloatConstraint p;
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p.Restore(reader);
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static_cast<App::PropertyQuantityConstraint*>(prop)->setValue(p.getValue());
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}
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else {
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DressUp::handleChangedPropertyType(reader, TypeName, prop);
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}
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}
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