384 lines
14 KiB
C++
384 lines
14 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 <BRep_Builder.hxx>
|
|
#include <BRep_Tool.hxx>
|
|
#include <TopExp.hxx>
|
|
#include <TopoDS.hxx>
|
|
#include <TopoDS_Edge.hxx>
|
|
#include <TopTools_IndexedMapOfShape.hxx>
|
|
#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
|
|
#include <TopExp_Explorer.hxx>
|
|
#endif
|
|
|
|
|
|
#include <boost/algorithm/string/predicate.hpp>
|
|
|
|
#include "FeatureDressUp.h"
|
|
#include <Base/Console.h>
|
|
#include <App/Document.h>
|
|
#include <Base/Exception.h>
|
|
#include "Mod/Part/App/TopoShapeMapper.h"
|
|
|
|
FC_LOG_LEVEL_INIT("PartDesign",true,true)
|
|
|
|
using namespace PartDesign;
|
|
|
|
namespace PartDesign {
|
|
|
|
|
|
PROPERTY_SOURCE(PartDesign::DressUp, PartDesign::FeatureAddSub)
|
|
|
|
DressUp::DressUp()
|
|
{
|
|
ADD_PROPERTY(Base,(nullptr));
|
|
Placement.setStatus(App::Property::ReadOnly, true);
|
|
|
|
ADD_PROPERTY_TYPE(SupportTransform,(false),"Base", App::Prop_None,
|
|
"Include the base additive/subtractive shape when used in pattern features.\n"
|
|
"If disabled, only the dressed part of the shape is used for patterning.");
|
|
|
|
AddSubShape.setStatus(App::Property::Output, true);
|
|
}
|
|
|
|
short DressUp::mustExecute() const
|
|
{
|
|
if (Base.getValue() && Base.getValue()->isTouched())
|
|
return 1;
|
|
return PartDesign::FeatureAddSub::mustExecute();
|
|
}
|
|
|
|
void DressUp::positionByBaseFeature()
|
|
{
|
|
Part::Feature *base = static_cast<Part::Feature*>(BaseFeature.getValue());
|
|
if (base && base->isDerivedFrom<Part::Feature>())
|
|
this->Placement.setValue(base->Placement.getValue());
|
|
}
|
|
|
|
Part::Feature *DressUp::getBaseObject(bool silent) const
|
|
{
|
|
Part::Feature *rv = Feature::getBaseObject(/* silent = */ true);
|
|
if (rv) {
|
|
return rv;
|
|
}
|
|
|
|
const char* err = nullptr;
|
|
App::DocumentObject* base = Base.getValue();
|
|
if (base) {
|
|
if(base->isDerivedFrom<Part::Feature>()) {
|
|
rv = static_cast<Part::Feature*>(base);
|
|
} else {
|
|
err = "Linked object is not a Part object";
|
|
}
|
|
} else {
|
|
err = "No Base object linked";
|
|
}
|
|
|
|
if (!silent && err) {
|
|
throw Base::RuntimeError(err);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
void DressUp::getContinuousEdges(Part::TopoShape TopShape, std::vector< std::string >& SubNames) {
|
|
|
|
std::vector< std::string > FaceNames;
|
|
|
|
getContinuousEdges(TopShape, SubNames, FaceNames);
|
|
}
|
|
|
|
void DressUp::getContinuousEdges(Part::TopoShape TopShape, std::vector< std::string >& SubNames, std::vector< std::string >& FaceNames) {
|
|
|
|
TopTools_IndexedMapOfShape mapOfEdges;
|
|
TopTools_IndexedDataMapOfShapeListOfShape mapEdgeFace;
|
|
TopExp::MapShapesAndAncestors(TopShape.getShape(), TopAbs_EDGE, TopAbs_FACE, mapEdgeFace);
|
|
TopExp::MapShapes(TopShape.getShape(), TopAbs_EDGE, mapOfEdges);
|
|
|
|
unsigned int i = 0;
|
|
while(i < SubNames.size())
|
|
{
|
|
std::string aSubName = static_cast<std::string>(SubNames.at(i));
|
|
|
|
if (aSubName.compare(0, 4, "Edge") == 0) {
|
|
TopoDS_Edge edge = TopoDS::Edge(TopShape.getSubShape(aSubName.c_str()));
|
|
const TopTools_ListOfShape& los = mapEdgeFace.FindFromKey(edge);
|
|
|
|
if(los.Extent() != 2)
|
|
{
|
|
SubNames.erase(SubNames.begin()+i);
|
|
continue;
|
|
}
|
|
|
|
const TopoDS_Shape& face1 = los.First();
|
|
const TopoDS_Shape& face2 = los.Last();
|
|
GeomAbs_Shape cont = BRep_Tool::Continuity(TopoDS::Edge(edge),
|
|
TopoDS::Face(face1),
|
|
TopoDS::Face(face2));
|
|
if (cont != GeomAbs_C0) {
|
|
SubNames.erase(SubNames.begin()+i);
|
|
continue;
|
|
}
|
|
|
|
i++;
|
|
}
|
|
else if(aSubName.compare(0, 4, "Face") == 0) {
|
|
TopoDS_Face face = TopoDS::Face(TopShape.getSubShape(aSubName.c_str()));
|
|
|
|
TopTools_IndexedMapOfShape mapOfFaces;
|
|
TopExp::MapShapes(face, TopAbs_EDGE, mapOfFaces);
|
|
|
|
for(int j = 1; j <= mapOfFaces.Extent(); ++j) {
|
|
TopoDS_Edge edge = TopoDS::Edge(mapOfFaces.FindKey(j));
|
|
|
|
int id = mapOfEdges.FindIndex(edge);
|
|
|
|
std::stringstream buf;
|
|
buf << "Edge";
|
|
buf << id;
|
|
|
|
if(std::find(SubNames.begin(),SubNames.end(),buf.str()) == SubNames.end())
|
|
{
|
|
SubNames.push_back(buf.str());
|
|
}
|
|
|
|
}
|
|
|
|
FaceNames.emplace_back(aSubName.c_str());
|
|
SubNames.erase(SubNames.begin()+i);
|
|
}
|
|
// empty name or any other sub-element
|
|
else {
|
|
SubNames.erase(SubNames.begin()+i);
|
|
}
|
|
}
|
|
}
|
|
|
|
std::vector<TopoShape> DressUp::getContinuousEdges(const TopoShape& shape)
|
|
{
|
|
std::vector<TopoShape> ret;
|
|
std::unordered_set<TopoDS_Shape, Part::ShapeHasher, Part::ShapeHasher> shapeSet;
|
|
|
|
auto addEdge = [&](const TopoDS_Shape& subshape, const std::string& ref) {
|
|
if (!shapeSet.insert(subshape).second) {
|
|
return;
|
|
}
|
|
|
|
auto faces = shape.findAncestorsShapes(subshape, TopAbs_FACE);
|
|
if (faces.size() != 2) {
|
|
FC_WARN(getFullName() << ": skip edge " << ref << " with less two attaching faces");
|
|
return;
|
|
}
|
|
const TopoDS_Shape& face1 = faces.front();
|
|
const TopoDS_Shape& face2 = faces.back();
|
|
GeomAbs_Shape cont =
|
|
BRep_Tool::Continuity(TopoDS::Edge(subshape), TopoDS::Face(face1), TopoDS::Face(face2));
|
|
if (cont != GeomAbs_C0) {
|
|
FC_WARN(getFullName() << ": skip edge " << ref << " that is not C0 continuous");
|
|
return;
|
|
}
|
|
ret.push_back(subshape);
|
|
};
|
|
|
|
for (const auto& v : Base.getShadowSubs()) {
|
|
TopoDS_Shape subshape;
|
|
const auto& ref = v.newName.size() ? v.newName : v.oldName;
|
|
subshape = shape.getSubShape(ref.c_str(), true);
|
|
if (subshape.IsNull()) {
|
|
FC_THROWM(Base::CADKernelError, "Invalid edge link: " << ref);
|
|
}
|
|
|
|
if (subshape.ShapeType() == TopAbs_EDGE) {
|
|
addEdge(subshape, ref);
|
|
}
|
|
else if (subshape.ShapeType() == TopAbs_FACE || subshape.ShapeType() == TopAbs_WIRE) {
|
|
for (TopExp_Explorer exp(subshape, TopAbs_EDGE); exp.More(); exp.Next()) {
|
|
addEdge(exp.Current(), std::string());
|
|
}
|
|
}
|
|
else {
|
|
FC_WARN(getFullName() << ": skip invalid shape '" << ref << "' with type "
|
|
<< TopoShape::shapeName(subshape.ShapeType()));
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
std::vector<TopoShape> DressUp::getFaces(const TopoShape& shape)
|
|
{
|
|
std::vector<TopoShape> ret;
|
|
const auto& vals = Base.getSubValues();
|
|
const auto& subs = Base.getShadowSubs();
|
|
size_t i = 0;
|
|
for (auto& val : vals) {
|
|
if (!boost::starts_with(val, "Face")) {
|
|
continue;
|
|
}
|
|
auto& sub = subs[i++];
|
|
auto& ref = sub.newName.size() ? sub.newName : val;
|
|
TopoShape subshape;
|
|
try {
|
|
subshape = shape.getSubTopoShape(ref.c_str());
|
|
}
|
|
catch (...) {
|
|
}
|
|
|
|
if (subshape.isNull()) {
|
|
FC_ERR(getFullName() << ": invalid face reference '" << ref << "'");
|
|
throw Part::NullShapeException("Invalid Invalid face link");
|
|
}
|
|
|
|
if (subshape.shapeType() != TopAbs_FACE) {
|
|
FC_WARN(getFullName() << ": skip invalid shape '" << ref << "' with type "
|
|
<< subshape.shapeName());
|
|
continue;
|
|
}
|
|
ret.push_back(subshape);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
void DressUp::onChanged(const App::Property* prop)
|
|
{
|
|
// the BaseFeature property should track the Base and vice-versa as long as
|
|
// the feature is inside a body (aka BaseFeature is nonzero)
|
|
if (prop == &BaseFeature) {
|
|
if (BaseFeature.getValue()
|
|
&& Base.getValue()
|
|
&& Base.getValue() != BaseFeature.getValue()) {
|
|
|
|
auto subs = Base.getSubValues(false);
|
|
auto shadows = Base.getShadowSubs();
|
|
Base.setValue (BaseFeature.getValue(),std::move(subs),std::move(shadows));
|
|
}
|
|
} else if (prop == &Base) {
|
|
// track the vice-versa changes
|
|
if (BaseFeature.getValue() && Base.getValue() != BaseFeature.getValue()) {
|
|
BaseFeature.setValue (Base.getValue());
|
|
}
|
|
} else if (prop == &Shape || prop == &SupportTransform) {
|
|
if (!getDocument()->testStatus(App::Document::Restoring) &&
|
|
!getDocument()->isPerformingTransaction())
|
|
{
|
|
// AddSubShape in DressUp acts as a shape cache. And here we shall
|
|
// invalidate the cache upon changes in Shape. Other features
|
|
// (currently only feature Transformed) shall call getAddSubShape()
|
|
// to rebuild the cache. This allow us to perform expensive
|
|
// calculation of AddSubShape only when necessary.
|
|
AddSubShape.setValue(Part::TopoShape());
|
|
}
|
|
}
|
|
|
|
Feature::onChanged(prop);
|
|
}
|
|
|
|
void DressUp::getAddSubShape(Part::TopoShape &addShape, Part::TopoShape &subShape)
|
|
{
|
|
Part::TopoShape res = AddSubShape.getShape();
|
|
|
|
if(res.isNull()) {
|
|
try {
|
|
std::vector<Part::TopoShape> shapes;
|
|
Part::TopoShape shape = Shape.getShape();
|
|
shape.setPlacement(Base::Placement());
|
|
|
|
FeatureAddSub *base = nullptr;
|
|
if(SupportTransform.getValue()) {
|
|
// SupportTransform means transform the support together with
|
|
// the dressing. So we need to find the previous support
|
|
// feature (which must be of type FeatureAddSub), and skipping
|
|
// any consecutive DressUp in-between.
|
|
for(Feature *current=this; ;current=static_cast<DressUp*>(base)) {
|
|
base = Base::freecad_dynamic_cast<FeatureAddSub>(current->getBaseObject(true));
|
|
if(!base)
|
|
FC_THROWM(Base::CADKernelError,
|
|
"Cannot find additive or subtractive support for " << getFullName());
|
|
if(!base->isDerivedFrom<DressUp>())
|
|
break;
|
|
}
|
|
}
|
|
|
|
Part::TopoShape baseShape;
|
|
if(base) {
|
|
baseShape = base->getBaseTopoShape(true);
|
|
baseShape.move(base->getLocation().Inverted());
|
|
if (base->getAddSubType() == Additive) {
|
|
if(!baseShape.isNull() && baseShape.hasSubShape(TopAbs_SOLID))
|
|
shapes.emplace_back(shape.makeElementCut(baseShape.getShape()));
|
|
else
|
|
shapes.push_back(shape);
|
|
} else {
|
|
BRep_Builder builder;
|
|
TopoDS_Compound comp;
|
|
builder.MakeCompound(comp);
|
|
// push an empty compound to indicate null additive shape
|
|
shapes.emplace_back(comp);
|
|
if(!baseShape.isNull() && baseShape.hasSubShape(TopAbs_SOLID))
|
|
shapes.emplace_back(baseShape.makeElementCut(shape.getShape()));
|
|
else
|
|
shapes.push_back(shape);
|
|
}
|
|
} else {
|
|
baseShape = getBaseTopoShape();
|
|
baseShape.move(getLocation().Inverted());
|
|
shapes.emplace_back(shape.makeElementCut(baseShape.getShape()));
|
|
shapes.emplace_back(baseShape.makeElementCut(shape.getShape()));
|
|
}
|
|
|
|
// Make a compound to contain both additive and subtractive shape,
|
|
// bceause a dressing (e.g. a fillet) can either be additive or
|
|
// subtractive. And the dressup feature can contain mixture of both.
|
|
AddSubShape.setValue(Part::TopoShape().makeElementCompound(shapes));
|
|
|
|
} catch (Standard_Failure &e) {
|
|
FC_THROWM(Base::CADKernelError, "Failed to calculate AddSub shape: "
|
|
<< e.GetMessageString());
|
|
}
|
|
res = AddSubShape.getShape();
|
|
}
|
|
|
|
if(res.isNull())
|
|
throw Part::NullShapeException("Null AddSub shape");
|
|
|
|
if(res.getShape().ShapeType() != TopAbs_COMPOUND) {
|
|
addShape = res;
|
|
} else {
|
|
int count = res.countSubShapes(TopAbs_SHAPE);
|
|
if(!count)
|
|
throw Part::NullShapeException("Null AddSub shape");
|
|
if(count) {
|
|
Part::TopoShape s = res.getSubTopoShape(TopAbs_SHAPE, 1);
|
|
if(!s.isNull() && s.hasSubShape(TopAbs_SOLID))
|
|
addShape = s;
|
|
}
|
|
if(count > 1) {
|
|
Part::TopoShape s = res.getSubTopoShape(TopAbs_SHAPE, 2);
|
|
if(!s.isNull() && s.hasSubShape(TopAbs_SOLID))
|
|
subShape = s;
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|