171 lines
5.2 KiB
C++
171 lines
5.2 KiB
C++
/***************************************************************************
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* Copyright (c) 2015 Stefan Tröger <stefantroeger@gmx.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 <cfloat>
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#include <BRepBuilderAPI_MakeFace.hxx>
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#endif
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#include "ShapeBinder.h"
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#include <Mod/Part/App/TopoShape.h>
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#ifndef M_PI
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#define M_PI 3.14159265358979323846
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#endif
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using namespace PartDesign;
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// ============================================================================
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PROPERTY_SOURCE(PartDesign::ShapeBinder, Part::Feature)
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ShapeBinder::ShapeBinder()
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{
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ADD_PROPERTY_TYPE(Support, (0,0), "",(App::PropertyType)(App::Prop_None),"Support of the geometry");
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}
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ShapeBinder::~ShapeBinder()
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{
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}
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short int ShapeBinder::mustExecute(void) const {
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if(Support.isTouched())
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return 1;
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return Part::Feature::mustExecute();
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}
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App::DocumentObjectExecReturn* ShapeBinder::execute(void) {
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if(! this->isRestoring()){
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Part::Feature* obj = nullptr;
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std::vector<std::string> subs;
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ShapeBinder::getFilterdReferences(&Support, obj, subs);
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Shape.setValue(ShapeBinder::buildShapeFromReferences(obj, subs)._Shape);
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}
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return Part::Feature::execute();
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}
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void ShapeBinder::getFilterdReferences(App::PropertyLinkSubList* prop, Part::Feature*& obj, std::vector< std::string >& subobjects) {
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obj = nullptr;
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subobjects.clear();
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auto objs = prop->getValues();
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auto subs = prop->getSubValues();
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if(objs.empty()) {
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return;
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}
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//we only allow one part feature, so get the first one we find
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int index = 0;
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while(!objs[index]->isDerivedFrom(Part::Feature::getClassTypeId()) && index < objs.size())
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index++;
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//do we have any part feature?
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if(index >= objs.size())
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return;
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obj = static_cast<Part::Feature*>(objs[index]);
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//if we have no subshpape we use the whole shape
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if(subs[index].empty()) {
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return;
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}
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//collect all subshapes for the object
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index = 0;
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for(std::string sub : subs) {
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//we only allow subshapes from a single Part::Feature
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if(objs[index] != obj)
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continue;
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//in this mode the full shape is not allowed, as we already started the subshape
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//processing
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if(sub.empty())
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continue;
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subobjects.push_back(sub);
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}
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}
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TopoShape ShapeBinder::buildShapeFromReferences( Part::Feature* obj, std::vector< std::string > subs) {
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if(!obj)
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return TopoDS_Shape();
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if(subs.empty())
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return obj->Shape.getShape();
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//if we use multiple subshapes we build a shape from them by fusing them together
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TopoShape base;
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std::vector<TopoDS_Shape> operators;
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for(std::string sub : subs) {
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if(base.isNull())
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base = obj->Shape.getShape().getSubShape(sub.c_str());
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else
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operators.push_back(obj->Shape.getShape().getSubShape(sub.c_str()));
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}
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try {
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if(!operators.empty() && !base.isNull())
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return base.multiFuse(operators);
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}
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catch(...) {
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return base;
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}
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return base;
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}
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PROPERTY_SOURCE(PartDesign::ShapeBinder2D, Part::Part2DObject)
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ShapeBinder2D::ShapeBinder2D() {
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}
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ShapeBinder2D::~ShapeBinder2D() {
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}
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App::DocumentObjectExecReturn* ShapeBinder2D::execute(void) {
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if(! this->isRestoring()){
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Part::Feature* obj = nullptr;
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std::vector<std::string> subs;
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ShapeBinder::getFilterdReferences(&Support, obj, subs);
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Shape.setValue(ShapeBinder::buildShapeFromReferences(obj, subs)._Shape);
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}
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return Part::Part2DObject::execute();
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}
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