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965af2bf9a26cc9f049ec22ca49e8726555a6228
create/src/Mod/PartDesign/App/FeatureDressUp.cpp
bofdahof 965af2bf9a PartDesign: apply std::ranges
2025-03-16 17:17:15 -05:00

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/***************************************************************************
* 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::ranges::find(SubNames, 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;
}
}
}
}
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