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68114945fac827e4d98774e6ebc95472debb3908
create/src/Mod/Part/App/FaceMaker.cpp
Markus Reitböck 68114945fa Part: use CMake to generate precompiled headers on all platforms 
"Professional CMake" book suggest the following:

"Targets should build successfully with or without compiler support for precompiled headers. It
 should be considered an optimization, not a requirement. In particular, do not explicitly include a
 precompile header (e.g. stdafx.h) in the source code, let CMake force-include an automatically
 generated precompile header on the compiler command line instead. This is more portable across
 the major compilers and is likely to be easier to maintain. It will also avoid warnings being
 generated from certain code checking tools like iwyu (include what you use)."

Therefore, removed the "#include <PreCompiled.h>" from sources, also
there is no need for the "#ifdef _PreComp_" anymore
2025-09-24 20:08:56 +02:00

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/***************************************************************************
* Copyright (c) 2016 Victor Titov (DeepSOIC) <vv.titov@gmail.com> *
* *
* 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 <BRepBuilderAPI_MakeFace.hxx>
# include <BRepBuilderAPI_MakeWire.hxx>
# include <TopoDS.hxx>
# include <TopoDS_Builder.hxx>
# include <TopoDS_Iterator.hxx>
# include <QtGlobal>
#include <memory>
#include "FaceMaker.h"
#include <App/MappedElement.h>
#include "TopoShape.h"
#include "TopoShapeOpCode.h"
TYPESYSTEM_SOURCE_ABSTRACT(Part::FaceMaker, Base::BaseClass)
TYPESYSTEM_SOURCE_ABSTRACT(Part::FaceMakerPublic, Part::FaceMaker)
void Part::FaceMaker::addWire(const TopoDS_Wire& w)
{
this->addShape(w);
}
void Part::FaceMaker::addShape(const TopoDS_Shape& sh)
{
addTopoShape(sh);
}
void Part::FaceMaker::addTopoShape(const TopoShape& shape) {
const TopoDS_Shape &sh = shape.getShape();
if(sh.IsNull())
throw Base::ValueError("Input shape is null.");
switch(sh.ShapeType()){
case TopAbs_COMPOUND:
this->myCompounds.push_back(TopoDS::Compound(sh));
break;
case TopAbs_WIRE:
this->myWires.push_back(TopoDS::Wire(sh));
this->myTopoWires.push_back(shape);
break;
case TopAbs_EDGE:
this->myWires.push_back(BRepBuilderAPI_MakeWire(TopoDS::Edge(sh)).Wire());
this->myTopoWires.push_back(shape);
this->myTopoWires.back().setShape(this->myWires.back(), false);
break;
case TopAbs_FACE:
this->myInputFaces.push_back(sh);
break;
case TopAbs_VERTEX:
// This is a special case, since this is generally a stand-alone point in a sketch. We
// need to ignore it rather than throw an error
break;
default:
throw Base::TypeError(tr("Shape must be a wire, edge or compound. Something else was supplied.").toStdString());
break;
}
this->mySourceShapes.push_back(shape);
}
void Part::FaceMaker::useCompound(const TopoDS_Compound& comp)
{
TopoDS_Iterator it(comp);
for(; it.More(); it.Next()){
this->addShape(it.Value());
}
}
void Part::FaceMaker::useTopoCompound(const TopoShape& comp)
{
for(auto &s : comp.getSubTopoShapes())
this->addTopoShape(s);
}
const TopoDS_Face& Part::FaceMaker::Face()
{
return TopoDS::Face(TopoFace().getShape());
}
const Part::TopoShape &Part::FaceMaker::TopoFace() const{
if(this->myTopoShape.isNull())
throw NullShapeException("Part::FaceMaker: result shape is null.");
if (this->myTopoShape.getShape().ShapeType() != TopAbs_FACE)
throw Base::TypeError("Part::FaceMaker: return shape is not a single face.");
return this->myTopoShape;
}
const Part::TopoShape &Part::FaceMaker::getTopoShape() const{
if(this->myTopoShape.isNull())
throw NullShapeException("Part::FaceMaker: result shape is null.");
return this->myTopoShape;
}
#if OCC_VERSION_HEX >= 0x070600
void Part::FaceMaker::Build(const Message_ProgressRange&)
#else
void Part::FaceMaker::Build()
#endif
{
this->NotDone();
this->myShapesToReturn = this->myInputFaces;
this->myGenerated.Clear();
this->Build_Essence();//adds stuff to myShapesToReturn
for(const TopoDS_Compound& cmp : this->myCompounds){
std::unique_ptr<FaceMaker> facemaker = Part::FaceMaker::ConstructFromType(this->getTypeId());
facemaker->useCompound(cmp);
facemaker->Build();
const TopoDS_Shape &subfaces = facemaker->Shape();
if (subfaces.IsNull())
continue;
if (subfaces.ShapeType() == TopAbs_COMPOUND){
this->myShapesToReturn.push_back(subfaces);
} else {
//result is not a compound (probably, a face)... but we want to follow compounding structure of input, so wrap it into compound.
TopoDS_Builder builder;
TopoDS_Compound cmp_res;
builder.MakeCompound(cmp_res);
builder.Add(cmp_res,subfaces);
this->myShapesToReturn.push_back(cmp_res);
}
}
if(this->myShapesToReturn.empty()){
//nothing to do, null shape will be returned.
this->myShape = TopoDS_Shape();
} else if (this->myShapesToReturn.size() == 1){
this->myShape = this->myShapesToReturn[0];
} else {
TopoDS_Builder builder;
TopoDS_Compound cmp_res;
builder.MakeCompound(cmp_res);
for(TopoDS_Shape &sh: this->myShapesToReturn){
builder.Add(cmp_res,sh);
}
this->myShape = cmp_res;
}
postBuild();
}
struct ElementName {
long tag;
Data::MappedName name;
Data::ElementIDRefs sids;
ElementName(long t, const Data::MappedName &n, const Data::ElementIDRefs &sids)
:tag(t),name(n), sids(sids)
{}
inline bool operator<(const ElementName &other) const {
if(tag<other.tag)
return true;
if(tag>other.tag)
return false;
return Data::ElementNameComparator()(name,other.name);
}
};
void Part::FaceMaker::postBuild() {
this->myTopoShape.setShape(this->myShape);
this->myTopoShape.Hasher = this->MyHasher;
this->myTopoShape.mapSubElement(this->mySourceShapes);
int index = 0;
const char *op = this->MyOp;
if(!op)
op = Part::OpCodes::Face;
const auto &faces = this->myTopoShape.getSubTopoShapes(TopAbs_FACE);
std::set<Data::MappedName> namesUsed;
// name the face using the edges of its outer wire
for(auto &face : faces) {
++index;
TopoShape wire = face.splitWires();
wire.mapSubElement(face);
std::set<ElementName> edgeNames;
int count = wire.countSubShapes(TopAbs_EDGE);
for (int index2 = 1; index2 <= count; ++index2) {
Data::ElementIDRefs sids;
Data::MappedName name =
face.getMappedName(Data::IndexedName::fromConst("Edge", index2), false, &sids);
if (!name) {
continue;
}
edgeNames.emplace(wire.getElementHistory(name), name, sids);
}
if (edgeNames.empty()) {
continue;
}
std::vector<Data::MappedName> names;
Data::ElementIDRefs sids;
// To avoid name collision, we keep track of any used names to make sure
// to use at least 'minElementNames' number of unused element names to
// generate the face name.
int nameCount = 0;
for (const auto &e : edgeNames) {
names.push_back(e.name);
sids += e.sids;
if (namesUsed.insert(e.name).second) {
if (++nameCount >= minElementNames)
break;
}
}
this->myTopoShape.setElementComboName(
Data::IndexedName::fromConst("Face",index),names,op,nullptr,&sids);
}
this->myTopoShape.initCache(true);
this->Done();
}
std::unique_ptr<Part::FaceMaker> Part::FaceMaker::ConstructFromType(const char* className)
{
Base::Type fmType = Base::Type::fromName(className);
if (fmType.isBad()){
std::stringstream ss;
ss << "Class '"<< className <<"' not found.";
throw Base::TypeError(ss.str().c_str());
}
return Part::FaceMaker::ConstructFromType(fmType);
}
std::unique_ptr<Part::FaceMaker> Part::FaceMaker::ConstructFromType(Base::Type type)
{
if (!type.isDerivedFrom(Part::FaceMaker::getClassTypeId())){
std::stringstream ss;
ss << "Class '" << type.getName() << "' is not derived from Part::FaceMaker.";
throw Base::TypeError(ss.str().c_str());
}
std::unique_ptr<FaceMaker> instance(static_cast<Part::FaceMaker*>(type.createInstance()));
if (!instance){
std::stringstream ss;
ss << "Cannot create FaceMaker from abstract type '" << type.getName() << "'";
throw Base::TypeError(ss.str().c_str());
}
return instance;
}
void Part::FaceMaker::throwNotImplemented()
{
throw Base::NotImplementedError("Not implemented yet...");
}
//----------------------------------------------------------------------------------------
TYPESYSTEM_SOURCE(Part::FaceMakerSimple, Part::FaceMakerPublic)
std::string Part::FaceMakerSimple::getUserFriendlyName() const
{
return {tr("Simple").toStdString()};
}
std::string Part::FaceMakerSimple::getBriefExplanation() const
{
return {tr("Makes separate plane face from every wire independently. No support for holes; wires can be on different planes.").toStdString()};
}
void Part::FaceMakerSimple::Build_Essence()
{
for(TopoDS_Wire &w: myWires){
this->myShapesToReturn.push_back(BRepBuilderAPI_MakeFace(w).Shape());
}
}
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