275 lines
10 KiB
C++
275 lines
10 KiB
C++
/***************************************************************************
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* Copyright (c) 2010 Juergen Riegel <FreeCAD@juergen-riegel.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_MakeChamfer.hxx>
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# include <TopExp.hxx>
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# include <TopExp_Explorer.hxx>
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# include <TopoDS.hxx>
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# include <TopoDS_Edge.hxx>
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# include <TopTools_IndexedMapOfShape.hxx>
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# include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
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# include <TopTools_ListOfShape.hxx>
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# include <BRep_Tool.hxx>
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# include <ShapeFix_Shape.hxx>
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# include <ShapeFix_ShapeTolerance.hxx>
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# include <Standard_Version.hxx>
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#endif
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#include <Base/Console.h>
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#include <Base/Exception.h>
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#include <Base/Reader.h>
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#include <Base/Tools.h>
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#include <Mod/Part/App/TopoShape.h>
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#include "FeatureChamfer.h"
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using namespace PartDesign;
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PROPERTY_SOURCE(PartDesign::Chamfer, PartDesign::DressUp)
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const char* ChamferTypeEnums[] = {"Equal distance", "Two distances", "Distance and Angle", NULL};
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const App::PropertyQuantityConstraint::Constraints Chamfer::floatSize = {0.0, FLT_MAX, 0.1};
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const App::PropertyAngle::Constraints Chamfer::floatAngle = {0.0, 180.0, 1.0};
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static App::DocumentObjectExecReturn *validateParameters(int chamferType, double size, double size2, double angle);
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Chamfer::Chamfer()
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{
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ADD_PROPERTY_TYPE(ChamferType, (0L), "Chamfer", App::Prop_None, "Type of chamfer");
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ChamferType.setEnums(ChamferTypeEnums);
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ADD_PROPERTY_TYPE(Size, (1.0), "Chamfer", App::Prop_None, "Size of chamfer");
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Size.setUnit(Base::Unit::Length);
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Size.setConstraints(&floatSize);
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ADD_PROPERTY_TYPE(Size2, (1.0), "Chamfer", App::Prop_None, "Second size of chamfer");
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Size2.setUnit(Base::Unit::Length);
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Size2.setConstraints(&floatSize);
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ADD_PROPERTY_TYPE(Angle, (45.0), "Chamfer", App::Prop_None, "Angle of chamfer");
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Angle.setUnit(Base::Unit::Angle);
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Angle.setConstraints(&floatAngle);
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ADD_PROPERTY_TYPE(FlipDirection, (false), "Chamfer", App::Prop_None, "Flip direction");
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updateProperties();
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}
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short Chamfer::mustExecute() const
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{
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bool touched = false;
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auto chamferType = ChamferType.getValue();
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switch (chamferType) {
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case 0: // "Equal distance"
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touched = Size.isTouched() || ChamferType.isTouched();
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break;
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case 1: // "Two distances"
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touched = Size.isTouched() || ChamferType.isTouched() || Size2.isTouched();
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break;
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case 2: // "Distance and Angle"
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touched = Size.isTouched() || ChamferType.isTouched() || Angle.isTouched();
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break;
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}
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if (Placement.isTouched() || touched)
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return 1;
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return DressUp::mustExecute();
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}
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App::DocumentObjectExecReturn *Chamfer::execute(void)
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{
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// NOTE: Normally the Base property and the BaseFeature property should point to the same object.
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// The only difference is that the Base property also stores the edges that are to be chamfered
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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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getContinuousEdges(TopShape, SubNames);
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if (SubNames.size() == 0)
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return new App::DocumentObjectExecReturn("No edges specified");
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const int chamferType = ChamferType.getValue();
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const double size = Size.getValue();
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const double size2 = Size2.getValue();
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const double angle = Angle.getValue();
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const bool flipDirection = FlipDirection.getValue();
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auto res = validateParameters(chamferType, size, size2, angle);
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if (res != App::DocumentObject::StdReturn) {
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return res;
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}
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this->positionByBaseFeature();
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// create an untransformed copy of the basefeature 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_MakeChamfer mkChamfer(baseShape.getShape());
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TopTools_IndexedMapOfShape mapOfEdges;
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TopTools_IndexedDataMapOfShapeListOfShape mapEdgeFace;
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TopExp::MapShapesAndAncestors(baseShape.getShape(), TopAbs_EDGE, TopAbs_FACE, mapEdgeFace);
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TopExp::MapShapes(baseShape.getShape(), TopAbs_EDGE, mapOfEdges);
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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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const TopoDS_Face& face = (chamferType != 0 && flipDirection) ?
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TopoDS::Face(mapEdgeFace.FindFromKey(edge).Last()) :
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TopoDS::Face(mapEdgeFace.FindFromKey(edge).First());
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switch (chamferType) {
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case 0: // Equal distance
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mkChamfer.Add(size, size, edge, face);
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break;
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case 1: // Two distances
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mkChamfer.Add(size, size2, edge, face);
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break;
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case 2: // Distance and angle
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mkChamfer.AddDA(size, Base::toRadians(angle), edge, face);
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break;
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}
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}
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mkChamfer.Build();
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if (!mkChamfer.IsDone())
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return new App::DocumentObjectExecReturn("Failed to create chamfer");
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TopoDS_Shape shape = mkChamfer.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("Chamfer: 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 Chamfer::Restore(Base::XMLReader &reader)
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{
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DressUp::Restore(reader);
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}
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void Chamfer::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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void Chamfer::onChanged(const App::Property* prop)
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{
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if (prop == &ChamferType) {
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updateProperties();
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}
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DressUp::onChanged(prop);
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}
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void Chamfer::updateProperties()
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{
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auto chamferType = ChamferType.getValue();
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auto disableproperty = [](App::Property * prop, bool on) {
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prop->setStatus(App::Property::ReadOnly, on);
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};
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switch (chamferType) {
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case 0: // "Equal distance"
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disableproperty(&this->Angle, true);
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disableproperty(&this->Size2, true);
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break;
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case 1: // "Two distances"
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disableproperty(&this->Angle, true);
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disableproperty(&this->Size2, false);
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break;
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case 2: // "Distance and Angle"
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disableproperty(&this->Angle, false);
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disableproperty(&this->Size2, true);
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break;
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}
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}
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static App::DocumentObjectExecReturn *validateParameters(int chamferType, double size, double size2, double angle)
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{
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// Size is common to all chamfer types.
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if (size <= 0) {
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return new App::DocumentObjectExecReturn("Size must be greater than zero");
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}
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switch (chamferType) {
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case 0: // Equal distance
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// Nothing to do.
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break;
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case 1: // Two distances
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if (size2 <= 0) {
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return new App::DocumentObjectExecReturn("Size2 must be greater than zero");
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}
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break;
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case 2: // Distance and angle
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if (angle <= 0 || angle >= 180.0) {
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return new App::DocumentObjectExecReturn("Angle must be greater than 0 and less than 180");
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}
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break;
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}
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return App::DocumentObject::StdReturn;
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}
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