Cgal kernel skeleton

2026-09-18 22:33:33 +00:00 · 2017-01-16 11:53:11 +01:00
parent ad24b6be0f
commit d804575974
22 changed files with 631 additions and 0 deletions
@@ -0,0 +1,93 @@
+/********************************************************************************
+*                                                                              *
+* This file is part of IfcOpenShell.                                           *
+*                                                                              *
+* IfcOpenShell is free software: you can redistribute it and/or modify         *
+* it under the terms of the Lesser GNU General Public License as published by  *
+* the Free Software Foundation, either version 3.0 of the License, or          *
+* (at your option) any later version.                                          *
+*                                                                              *
+* IfcOpenShell 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                 *
+* Lesser GNU General Public License for more details.                          *
+*                                                                              *
+* You should have received a copy of the Lesser GNU General Public License     *
+* along with this program. If not, see <http://www.gnu.org/licenses/>.         *
+*                                                                              *
+********************************************************************************/
+
+#ifndef CGAL_KERNEL_H
+#define CGAL_KERNEL_H
+
+/*
+#ifdef NO_CACHE
+
+#define IN_CACHE(T,E,t,e)
+#define CACHE(T,E,e)
+
+#else
+
+#define IN_CACHE(T,E,t,e) std::map<int,t>::const_iterator it = cache.T.find(E->entity->id());\
+if ( it != cache.T.end() ) { e = it->second; return true; }
+#define CACHE(T,E,e) cache.T[E->entity->id()] = e;
+
+#endif
+*/
+
+#include "../../../ifcgeom/IfcGeom.h"
+
+typedef void* cgal_shape_t;
+typedef void* cgal_face_t;
+typedef void* cgal_wire_t;
+typedef void* cgal_curve_t;
+typedef void* cgal_placement_t;
+typedef void* cgal_point_t;
+
+namespace IfcGeom {
+
+	class IFC_GEOM_API CgalCache {
+	public:
+#include "CgalEntityMappingCreateCache.h"
+		std::map<int, cgal_shape_t> Shape;
+	};
+
+	class IFC_GEOM_API CgalKernel : public AbstractKernel {
+	public:
+
+#ifndef NO_CACHE
+		CgalCache cache;
+#endif
+
+		IfcGeom::ShapeType shape_type(const IfcUtil::IfcBaseClass* L);
+
+		bool convert_shapes(const IfcUtil::IfcBaseClass* L, ConversionResults& result);
+		bool convert_shape(const IfcUtil::IfcBaseClass* L, cgal_shape_t& result);
+		bool convert_wire(const IfcUtil::IfcBaseClass* L, cgal_wire_t& result);
+		bool convert_curve(const IfcUtil::IfcBaseClass* L, cgal_curve_t& result);
+		bool convert_face(const IfcUtil::IfcBaseClass* L, cgal_face_t& result);
+
+		// bool convert_openings(const IfcSchema::IfcProduct* entity, const IfcSchema::IfcRelVoidsElement::list::ptr& openings, const ConversionResults& entity_shapes, const gp_Trsf& entity_trsf, ConversionResults& cut_shapes);
+
+		void purge_cache() {
+			// Rather hack-ish, but a stopgap solution to keep memory under control
+			// for large files. SurfaceStyles need to be kept at all costs, as they
+			// are read later on when serializing Collada files.
+#ifndef NO_CACHE
+			cache = CgalCache();
+#endif
+		}
+
+		virtual bool is_identity_transform(IfcUtil::IfcBaseClass*);
+		virtual IfcGeom::NativeElement<double>* create_brep_for_representation_and_product(
+			const IteratorSettings&, IfcSchema::IfcRepresentation*, IfcSchema::IfcProduct*);
+		virtual IfcGeom::NativeElement<double>* create_brep_for_processed_representation(
+			const IteratorSettings&, IfcSchema::IfcRepresentation*, IfcSchema::IfcProduct*, IfcGeom::NativeElement<double>*);
+
+#include "CgalEntityMappingDeclaration.h"
+
+	};
+
+}
+
+#endif