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* Copyright (c) 2008 Werner Mayer <wmayer[at]users.sourceforge.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 <limits>
#include <BRepAlgo.hxx>
#include <BRepFilletAPI_MakeFillet.hxx>
#include <BRep_Tool.hxx>
#include <Geom_Circle.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Edge.hxx>
#include <TopExp_Explorer.hxx>
#include <TopTools_ListOfShape.hxx>
#include <ShapeFix_Shape.hxx>
#include <ShapeFix_ShapeTolerance.hxx>
#include <Base/Exception.h>
#include <Base/Reader.h>
#include <Mod/Part/App/TopoShape.h>
#include "FeatureFillet.h"
using namespace PartDesign;
PROPERTY_SOURCE(PartDesign::Fillet, PartDesign::DressUp)
const App::PropertyQuantityConstraint::Constraints floatRadius
= {0.0, std::numeric_limits<float>::max(), 0.1};
Fillet::Fillet()
{
ADD_PROPERTY_TYPE(Radius, (1.0), "Fillet", App::Prop_None, "Fillet radius.");
Radius.setUnit(Base::Unit::Length);
Radius.setConstraints(&floatRadius);
ADD_PROPERTY_TYPE(
UseAllEdges,
(false),
"Fillet",
App::Prop_None,
"Fillet all edges if true, else use only those edges in Base property.\n"
"If true, then this overrides any edge changes made to the Base property or in the "
"dialog.\n"
);
}
short Fillet::mustExecute() const
{
if (Placement.isTouched() || Radius.isTouched()) {
return 1;
}
return DressUp::mustExecute();
}
App::DocumentObjectExecReturn* Fillet::execute()
{
if (onlyHaveRefined()) {
return App::DocumentObject::StdReturn;
}
Part::TopoShape baseShape;
try {
baseShape = getBaseTopoShape();
}
catch (Base::Exception& e) {
return new App::DocumentObjectExecReturn(e.what());
}
baseShape.setTransform(Base::Matrix4D());
auto edges = UseAllEdges.getValue() ? baseShape.getSubTopoShapes(TopAbs_EDGE)
: getContinuousEdges(baseShape);
if (edges.empty()) {
return new App::DocumentObjectExecReturn(
QT_TRANSLATE_NOOP("Exception", "Fillet not possible on selected shapes")
);
}
double radius = Radius.getValue();
if (radius <= 0) {
return new App::DocumentObjectExecReturn(
QT_TRANSLATE_NOOP("Exception", "Fillet radius must be greater than zero")
);
}
this->positionByBaseFeature();
try {
TopoShape shape(0); //,getDocument()->getStringHasher());
// Add signal handler for segfault protection
#if defined(__GNUC__) && defined(FC_OS_LINUX)
Base::SignalException se;
#endif
shape.makeElementFillet(baseShape, edges, Radius.getValue(), Radius.getValue());
if (shape.isNull()) {
return new App::DocumentObjectExecReturn(
QT_TRANSLATE_NOOP("Exception", "Resulting shape is null")
);
}
TopTools_ListOfShape aLarg;
aLarg.Append(baseShape.getShape());
if (!BRepAlgo::IsValid(aLarg, shape.getShape(), Standard_False, Standard_False)) {
ShapeFix_ShapeTolerance aSFT;
aSFT.LimitTolerance(
shape.getShape(),
Precision::Confusion(),
Precision::Confusion(),
TopAbs_SHAPE
);
}
// store shape before refinement
this->rawShape = shape;
shape = refineShapeIfActive(shape);
if (!isSingleSolidRuleSatisfied(shape.getShape())) {
return new App::DocumentObjectExecReturn(QT_TRANSLATE_NOOP(
"Exception",
"Result has multiple solids: enable 'Allow Compound' in the active body."
));
}
shape = getSolid(shape);
this->Shape.setValue(shape);
return App::DocumentObject::StdReturn;
}
catch (Base::Exception& e) {
return new App::DocumentObjectExecReturn(e.what());
}
catch (Standard_Failure& e) {
return new App::DocumentObjectExecReturn(e.GetMessageString());
}
catch (...) {
return new App::DocumentObjectExecReturn(QT_TRANSLATE_NOOP(
"Exception",
"Fillet operation failed. The selected edges may contain geometry that cannot be "
"filleted together. "
"Try filleting edges individually or with a smaller radius."
));
}
}
void Fillet::Restore(Base::XMLReader& reader)
{
DressUp::Restore(reader);
}
void Fillet::handleChangedPropertyType(Base::XMLReader& reader, const char* TypeName, App::Property* prop)
{
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());
}
else {
DressUp::handleChangedPropertyType(reader, TypeName, prop);
}
}
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