text: /*                 Face.cpp
   * BRL-CAD
   *
   * Copyright (c) 1994-2014 United States Government as represented by
   * the U.S. Army Research Laboratory.
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public License
   * version 2.1 as published by the Free Software Foundation.
   *
   * This program 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
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this file; see the file named COPYING for more
   * information.
   */
  /** @file step/Face.cpp
   *
   * Routines to convert STEP "Face" to BRL-CAD BREP
   * structures.
   *
   */
  #include "STEPWrapper.h"
  #include "Factory.h"
  
  #include "Face.h"
  #include "QuasiUniformSurface.h"
  #include "FaceOuterBound.h"
  
  #define CLASSNAME "Face"
  #define ENTITYNAME "Face"
  string Face::entityname = Factory::RegisterClass(ENTITYNAME, (FactoryMethod)Face::Create);
  
  Face::Face()
  {
      step = NULL;
      id = 0;
      reverse = false;
  }
  
  Face::Face(STEPWrapper *sw, int step_id)
  {
      step = sw;
      id = step_id;
      reverse = false;
  }
  
  Face::~Face()
  {
      // elements created through factory will be deleted there.
      bounds.clear();
  }
  
  bool
  Face::Load(STEPWrapper *sw, SDAI_Application_instance *sse)
  {
      step = sw;
      id = sse->STEPfile_id;
  
      // load base class attributes
      if (!TopologicalRepresentationItem::Load(step, sse)) {
  	std::cout << CLASSNAME << ":Error loading base class ::TopologicalRepresentationItem." << std::endl;
  	sw->entity_status[id] = STEP_LOAD_ERROR;
  	return false;
      }
  
      // need to do this for local attributes to makes sure we have
      // the actual entity and not a complex/supertype parent
      sse = step->getEntity(sse, ENTITYNAME);
  
      if (bounds.empty()) {
  	LIST_OF_ENTITIES *l = step->getListOfEntities(sse, "bounds");
  	LIST_OF_ENTITIES::iterator i;
  	for (i = l->begin(); i != l->end(); i++) {
  	    SDAI_Application_instance *entity = (*i);
  	    if (entity) {
  		FaceBound *aFB = dynamic_cast<FaceBound *>(Factory::CreateObject(sw, entity));
  		if (aFB) {
  		    bounds.push_back(aFB);
  		} else {
  		    l->clear();
  		    sw->entity_status[id] = STEP_LOAD_ERROR;
  		    delete l;
  		    return false;
  		}
  	    } else {
  		std::cerr << CLASSNAME  << ": Unhandled entity in attribute 'bounds'." << std::endl;
  		l->clear();
  		sw->entity_status[id] = STEP_LOAD_ERROR;
  		delete l;
  		return false;
  	    }
  	}
  	l->clear();
  	delete l;
      }
      sw->entity_status[id] = STEP_LOADED;
      return true;
  }
  
  void
  Face::Print(int level)
  {
      TAB(level);
      std::cout << CLASSNAME << ":" << name << "(";
      std::cout << "ID:" << STEPid() << ")" << std::endl;
  
      TAB(level);
      std::cout << "Attributes:" << std::endl;
      TAB(level + 1);
      std::cout << "bounds:" << std::endl;
      LIST_OF_FACE_BOUNDS::iterator i;
      for (i = bounds.begin(); i != bounds.end(); i++) {
  	(*i)->Print(level + 1);
      }
  
      TAB(level);
      std::cout << "Inherited Attributes:" << std::endl;
      TopologicalRepresentationItem::Print(level + 1);
  }
  
  void
  Face::ReverseFace()
  {
      reverse = true;
  }
  
  STEPEntity *
  Face::GetInstance(STEPWrapper *sw, int id)
  {
      return new Face(sw, id);
  }
  
  STEPEntity *
  Face::Create(STEPWrapper *sw, SDAI_Application_instance *sse)
  {
      return STEPEntity::CreateEntity(sw, sse, GetInstance, CLASSNAME);
  }
  
  // Local Variables:
  // tab-width: 8
  // mode: C++
  // c-basic-offset: 4
  // indent-tabs-mode: t
  // c-file-style: "stroustrup"
  // End:
  // ex: shiftwidth=4 tabstop=8
  