88accdb421
* Maybe you meant to call base method instead [-Wclazy-skipped-base-method] * Missing reference in range-for with non trivial type [-Wclazy-range-loop-reference] * Mixing iterators with const_iterators [-Wclazy-strict-iterators] * Unused QByteArray [-Wclazy-unused-non-trivial-variable] * C++11 range-loop might detach Qt container (QList) [-Wclazy-range-loop-detach]
290 lines
11 KiB
C++
290 lines
11 KiB
C++
/***************************************************************************
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* Copyright (c) 2010 Juergen Riegel <FreeCAD@juergen-riegel.net> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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#include <BRep_Builder.hxx>
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#include <BRep_Tool.hxx>
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#include <TopExp.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Edge.hxx>
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#include <TopTools_IndexedMapOfShape.hxx>
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#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
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#endif
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#include <App/Document.h>
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#include <Base/Exception.h>
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#include "FeatureDressUp.h"
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using namespace PartDesign;
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namespace PartDesign {
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PROPERTY_SOURCE(PartDesign::DressUp, PartDesign::FeatureAddSub)
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DressUp::DressUp()
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{
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ADD_PROPERTY(Base,(nullptr));
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Placement.setStatus(App::Property::ReadOnly, true);
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ADD_PROPERTY_TYPE(SupportTransform,(false),"Base", App::Prop_None,
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"Include the base additive/subtractive shape when used in pattern features.\n"
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"If disabled, only the dressed part of the shape is used for patterning.");
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AddSubShape.setStatus(App::Property::Output, true);
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}
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short DressUp::mustExecute() const
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{
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if (Base.getValue() && Base.getValue()->isTouched())
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return 1;
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return PartDesign::FeatureAddSub::mustExecute();
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}
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void DressUp::positionByBaseFeature(void)
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{
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Part::Feature *base = static_cast<Part::Feature*>(BaseFeature.getValue());
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if (base && base->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId()))
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this->Placement.setValue(base->Placement.getValue());
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}
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Part::Feature *DressUp::getBaseObject(bool silent) const
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{
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Part::Feature *rv = Feature::getBaseObject(/* silent = */ true);
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if (rv) {
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return rv;
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}
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const char* err = nullptr;
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App::DocumentObject* base = Base.getValue();
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if (base) {
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if(base->isDerivedFrom(Part::Feature::getClassTypeId())) {
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rv = static_cast<Part::Feature*>(base);
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} else {
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err = "Linked object is not a Part object";
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}
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} else {
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err = "No Base object linked";
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}
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if (!silent && err) {
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throw Base::RuntimeError(err);
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}
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return rv;
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}
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void DressUp::getContinuousEdges(Part::TopoShape TopShape, std::vector< std::string >& SubNames) {
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std::vector< std::string > FaceNames;
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getContinuousEdges(TopShape, SubNames, FaceNames);
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}
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void DressUp::getContinuousEdges(Part::TopoShape TopShape, std::vector< std::string >& SubNames, std::vector< std::string >& FaceNames) {
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TopTools_IndexedMapOfShape mapOfEdges;
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TopTools_IndexedDataMapOfShapeListOfShape mapEdgeFace;
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TopExp::MapShapesAndAncestors(TopShape.getShape(), TopAbs_EDGE, TopAbs_FACE, mapEdgeFace);
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TopExp::MapShapes(TopShape.getShape(), TopAbs_EDGE, mapOfEdges);
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unsigned int i = 0;
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while(i < SubNames.size())
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{
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std::string aSubName = static_cast<std::string>(SubNames.at(i));
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if (aSubName.compare(0, 4, "Edge") == 0) {
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TopoDS_Edge edge = TopoDS::Edge(TopShape.getSubShape(aSubName.c_str()));
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const TopTools_ListOfShape& los = mapEdgeFace.FindFromKey(edge);
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if(los.Extent() != 2)
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{
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SubNames.erase(SubNames.begin()+i);
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continue;
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}
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const TopoDS_Shape& face1 = los.First();
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const TopoDS_Shape& face2 = los.Last();
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GeomAbs_Shape cont = BRep_Tool::Continuity(TopoDS::Edge(edge),
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TopoDS::Face(face1),
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TopoDS::Face(face2));
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if (cont != GeomAbs_C0) {
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SubNames.erase(SubNames.begin()+i);
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continue;
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}
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i++;
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}
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else if(aSubName.compare(0, 4, "Face") == 0) {
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TopoDS_Face face = TopoDS::Face(TopShape.getSubShape(aSubName.c_str()));
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TopTools_IndexedMapOfShape mapOfFaces;
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TopExp::MapShapes(face, TopAbs_EDGE, mapOfFaces);
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for(int j = 1; j <= mapOfFaces.Extent(); ++j) {
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TopoDS_Edge edge = TopoDS::Edge(mapOfFaces.FindKey(j));
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int id = mapOfEdges.FindIndex(edge);
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std::stringstream buf;
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buf << "Edge";
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buf << id;
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if(std::find(SubNames.begin(),SubNames.end(),buf.str()) == SubNames.end())
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{
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SubNames.push_back(buf.str());
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}
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}
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FaceNames.push_back(aSubName.c_str());
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SubNames.erase(SubNames.begin()+i);
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}
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// empty name or any other sub-element
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else {
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SubNames.erase(SubNames.begin()+i);
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}
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}
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}
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void DressUp::onChanged(const App::Property* prop)
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{
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// the BaseFeature property should track the Base and vice-versa as long as
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// the feature is inside a body (aka BaseFeature is nonzero)
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if (prop == &BaseFeature) {
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if (BaseFeature.getValue() && Base.getValue() != BaseFeature.getValue()) {
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Base.setValue (BaseFeature.getValue());
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}
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} else if (prop == &Base) {
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// track the vice-versa changes
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if (BaseFeature.getValue() && Base.getValue() != BaseFeature.getValue()) {
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BaseFeature.setValue (Base.getValue());
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}
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} else if (prop == &Shape || prop == &SupportTransform) {
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if (!getDocument()->testStatus(App::Document::Restoring) &&
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!getDocument()->isPerformingTransaction())
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{
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// AddSubShape in DressUp acts as a shape cache. And here we shall
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// invalidate the cache upon changes in Shape. Other features
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// (currently only feature Transformed) shall call getAddSubShape()
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// to rebuild the cache. This allow us to perform expensive
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// calculation of AddSubShape only when necessary.
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AddSubShape.setValue(Part::TopoShape());
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}
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}
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Feature::onChanged(prop);
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}
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void DressUp::getAddSubShape(Part::TopoShape &addShape, Part::TopoShape &subShape)
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{
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Part::TopoShape res = AddSubShape.getShape();
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if(res.isNull()) {
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try {
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std::vector<Part::TopoShape> shapes;
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Part::TopoShape shape = Shape.getShape();
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shape.setPlacement(Base::Placement());
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FeatureAddSub *base = nullptr;
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if(SupportTransform.getValue()) {
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// SupportTransform means transform the support together with
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// the dressing. So we need to find the previous support
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// feature (which must be of type FeatureAddSub), and skipping
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// any consecutive DressUp in-between.
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for(Feature *current=this; ;current=static_cast<DressUp*>(base)) {
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base = Base::freecad_dynamic_cast<FeatureAddSub>(current->getBaseObject(true));
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if(!base)
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FC_THROWM(Base::CADKernelError,
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"Cannot find additive or subtractive support for " << getFullName());
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if(!base->isDerivedFrom(DressUp::getClassTypeId()))
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break;
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}
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}
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Part::TopoShape baseShape;
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if(base) {
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baseShape = base->getBaseTopoShape(true);
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baseShape.move(base->getLocation().Inverted());
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if (base->getAddSubType() == Additive) {
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if(!baseShape.isNull() && baseShape.hasSubShape(TopAbs_SOLID))
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shapes.push_back(shape.cut(baseShape.getShape()));
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else
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shapes.push_back(shape);
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} else {
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BRep_Builder builder;
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TopoDS_Compound comp;
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builder.MakeCompound(comp);
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// push an empty compound to indicate null additive shape
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shapes.emplace_back(comp);
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if(!baseShape.isNull() && baseShape.hasSubShape(TopAbs_SOLID))
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shapes.push_back(baseShape.cut(shape.getShape()));
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else
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shapes.push_back(shape);
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}
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} else {
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baseShape = getBaseTopoShape();
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baseShape.move(getLocation().Inverted());
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shapes.push_back(shape.cut(baseShape.getShape()));
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shapes.push_back(baseShape.cut(shape.getShape()));
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}
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// Make a compound to contain both additive and subtractive shape,
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// bceause a dressing (e.g. a fillet) can either be additive or
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// subtractive. And the dressup feature can contain mixture of both.
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AddSubShape.setValue(Part::TopoShape().makeCompound(shapes));
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} catch (Standard_Failure &e) {
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FC_THROWM(Base::CADKernelError, "Failed to calculate AddSub shape: "
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<< e.GetMessageString());
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}
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res = AddSubShape.getShape();
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}
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if(res.isNull())
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throw Part::NullShapeException("Null AddSub shape");
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if(res.getShape().ShapeType() != TopAbs_COMPOUND) {
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addShape = res;
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} else {
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int count = res.countSubShapes(TopAbs_SHAPE);
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if(!count)
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throw Part::NullShapeException("Null AddSub shape");
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if(count) {
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Part::TopoShape s = res.getSubShape(TopAbs_SHAPE, 1);
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if(!s.isNull() && s.hasSubShape(TopAbs_SOLID))
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addShape = s;
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}
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if(count > 1) {
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Part::TopoShape s = res.getSubShape(TopAbs_SHAPE, 2);
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if(!s.isNull() && s.hasSubShape(TopAbs_SOLID))
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subShape = s;
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}
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}
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}
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}
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