Putting functions into files per geometric type

src/ifcgeom/kernels/cgal/CgalIfcGeomFaces.cpp

@@ -0,0 +1,74 @@
+#include "CgalKernel.h"
+
+bool IfcGeom::CgalKernel::convert(const IfcSchema::IfcRectangleProfileDef* l, cgal_face_t& face) {
+  const double x = l->XDim() / 2.0f * getValue(GV_LENGTH_UNIT);
+  const double y = l->YDim() / 2.0f * getValue(GV_LENGTH_UNIT);
+  
+  if ( x < ALMOST_ZERO || y < ALMOST_ZERO ) {
+    Logger::Message(Logger::LOG_NOTICE,"Skipping zero sized profile:",l->entity);
+    return false;
+  }
+  
+  cgal_placement_t trsf2d;
+  bool has_position = true;
+#ifdef USE_IFC4
+  has_position = l->hasPosition();
+#endif
+  if (has_position) {
+    IfcGeom::CgalKernel::convert(l->Position(), trsf2d);
+  }
+  
+  face = cgal_face_t();
+  face.outer.push_back(Kernel::Point_3(-x, -y, 0.0));
+  face.outer.push_back(Kernel::Point_3( x, -y, 0.0));
+  face.outer.push_back(Kernel::Point_3( x,  y, 0.0));
+  face.outer.push_back(Kernel::Point_3(-x,  y, 0.0));
+  
+  return true;
+}
+
+bool IfcGeom::CgalKernel::convert(const IfcSchema::IfcFace* l, cgal_face_t& face) {
+  IfcSchema::IfcFaceBound::list::ptr bounds = l->Bounds();
+  
+  int num_outer_bounds = 0;
+  
+  for (IfcSchema::IfcFaceBound::list::it it = bounds->begin(); it != bounds->end(); ++it) {
+    IfcSchema::IfcFaceBound* bound = *it;
+    if (bound->is(IfcSchema::Type::IfcFaceOuterBound)) num_outer_bounds ++;
+  }
+  
+  if (num_outer_bounds != 1) {
+    Logger::Message(Logger::LOG_ERROR, "Invalid configuration of boundaries for:", l->entity);
+    return false;
+  }
+  
+  cgal_face_t mf;
+  
+  for (IfcSchema::IfcFaceBound::list::it it = bounds->begin(); it != bounds->end(); ++it) {
+    IfcSchema::IfcFaceBound* bound = *it;
+    IfcSchema::IfcLoop* loop = bound->Bound();
+    
+    const bool is_interior = !bound->is(IfcSchema::Type::IfcFaceOuterBound);
+    
+    cgal_wire_t wire;
+    if (!convert_wire(loop, wire)) {
+      Logger::Message(Logger::LOG_ERROR, "Failed to process face boundary loop", loop->entity);
+      return false;
+    }
+    
+    if (!is_interior) {
+      mf.outer = wire;
+    } else {
+      mf.inner.push_back(wire);
+    }
+  }
+  
+  face = mf;
+  
+  //  std::cout << "Face: " << std::endl;
+  //  for (auto &point: face.outer) {
+  //    std::cout << "\tPoint(" << point << ")" << std::endl;
+  //  }
+  
+  return true;
+}