FreeCAD/src/Mod/PartDesign/App/FeatureChamfer.cpp
2016-05-18 23:54:18 +02:00

162 lines
6.3 KiB
C++

/***************************************************************************
* Copyright (c) 2010 Juergen Riegel <FreeCAD@juergen-riegel.net> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
# include <BRepAlgo.hxx>
# include <BRepFilletAPI_MakeChamfer.hxx>
# include <TopExp.hxx>
# include <TopExp_Explorer.hxx>
# include <TopoDS.hxx>
# include <TopoDS_Edge.hxx>
# include <TopTools_IndexedMapOfShape.hxx>
# include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
# include <TopTools_ListOfShape.hxx>
#include <BRep_Tool.hxx>
#endif
#include <Base/Console.h>
#include <Base/Exception.h>
#include <Base/Reader.h>
#include <Mod/Part/App/TopoShape.h>
#include "FeatureChamfer.h"
using namespace PartDesign;
PROPERTY_SOURCE(PartDesign::Chamfer, PartDesign::DressUp)
const App::PropertyQuantityConstraint::Constraints floatSize = {0.0,FLT_MAX,0.1};
Chamfer::Chamfer()
{
ADD_PROPERTY(Size,(1.0));
Size.setUnit(Base::Unit::Length);
Size.setConstraints(&floatSize);
}
short Chamfer::mustExecute() const
{
if (Placement.isTouched() || Size.isTouched())
return 1;
return DressUp::mustExecute();
}
App::DocumentObjectExecReturn *Chamfer::execute(void)
{
// NOTE: Normally the Base property and the BaseFeature property should point to the same object.
// The only difference is that the Base property also stores the edges that are to be chamfered
Part::TopoShape TopShape;
try {
TopShape = getBaseShape();
} catch (Base::Exception& e) {
return new App::DocumentObjectExecReturn(e.what());
}
std::vector<std::string> SubNames = std::vector<std::string>(Base.getSubValues());
getContiniusEdges(TopShape, SubNames);
if (SubNames.size() == 0)
return new App::DocumentObjectExecReturn("No edges specified");
double size = Size.getValue();
this->positionByBaseFeature();
// create an untransformed copy of the basefeature shape
Part::TopoShape baseShape(TopShape);
baseShape.setTransform(Base::Matrix4D());
try {
BRepFilletAPI_MakeChamfer mkChamfer(baseShape._Shape);
TopTools_IndexedMapOfShape mapOfEdges;
TopTools_IndexedDataMapOfShapeListOfShape mapEdgeFace;
TopExp::MapShapesAndAncestors(baseShape._Shape, TopAbs_EDGE, TopAbs_FACE, mapEdgeFace);
TopExp::MapShapes(baseShape._Shape, TopAbs_EDGE, mapOfEdges);
for (std::vector<std::string>::const_iterator it=SubNames.begin(); it != SubNames.end(); ++it) {
TopoDS_Edge edge = TopoDS::Edge(baseShape.getSubShape(it->c_str()));
const TopoDS_Face& face = TopoDS::Face(mapEdgeFace.FindFromKey(edge).First());
mkChamfer.Add(size, edge, face);
}
mkChamfer.Build();
if (!mkChamfer.IsDone())
return new App::DocumentObjectExecReturn("Failed to create chamfer");
TopoDS_Shape shape = mkChamfer.Shape();
if (shape.IsNull())
return new App::DocumentObjectExecReturn("Resulting shape is null");
TopTools_ListOfShape aLarg;
aLarg.Append(baseShape._Shape);
if (!BRepAlgo::IsValid(aLarg, shape, Standard_False, Standard_False)) {
return new App::DocumentObjectExecReturn("Resulting shape is invalid");
}
this->Shape.setValue(getSolid(shape));
return App::DocumentObject::StdReturn;
}
catch (Standard_Failure) {
Handle_Standard_Failure e = Standard_Failure::Caught();
return new App::DocumentObjectExecReturn(e->GetMessageString());
}
}
void Chamfer::Restore(Base::XMLReader &reader)
{
reader.readElement("Properties");
int Cnt = reader.getAttributeAsInteger("Count");
for (int i=0 ;i<Cnt ;i++) {
reader.readElement("Property");
const char* PropName = reader.getAttribute("name");
const char* TypeName = reader.getAttribute("type");
App::Property* prop = getPropertyByName(PropName);
try {
if (prop && strcmp(prop->getTypeId().getName(), TypeName) == 0) {
prop->Restore(reader);
}
else if (prop && strcmp(TypeName,"App::PropertyFloatConstraint") == 0 &&
strcmp(prop->getTypeId().getName(), "App::PropertyQuantityConstraint") == 0) {
App::PropertyFloatConstraint p;
p.Restore(reader);
static_cast<App::PropertyQuantityConstraint*>(prop)->setValue(p.getValue());
}
}
catch (const Base::XMLParseException&) {
throw; // re-throw
}
catch (const Base::Exception &e) {
Base::Console().Error("%s\n", e.what());
}
catch (const std::exception &e) {
Base::Console().Error("%s\n", e.what());
}
reader.readEndElement("Property");
}
reader.readEndElement("Properties");
}