Program Listing for File GeometrySerializer.h

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/********************************************************************************
 *                                                                              *
 * 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/>.         *
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 ********************************************************************************/

#ifndef GEOMETRYSERIALIZER_H
#define GEOMETRYSERIALIZER_H

#ifdef IFCCONVERT_DOUBLE_PRECISION
typedef double real_t;
#else
typedef float real_t;
#endif

#include "../serializers/Serializer.h"
#include "../ifcgeom_schema_agnostic/IfcGeomIterator.h"
#include "../ifcgeom/IfcGeomElement.h"

class SerializerSettings : public IfcGeom::IteratorSettings
{
public:
    enum Setting
    {
        USE_ELEMENT_NAMES = 1 << (IfcGeom::IteratorSettings::NUM_SETTINGS + 1),
        USE_ELEMENT_GUIDS = 1 << (IfcGeom::IteratorSettings::NUM_SETTINGS + 2),
        USE_MATERIAL_NAMES = 1 << (IfcGeom::IteratorSettings::NUM_SETTINGS + 3),
        USE_ELEMENT_TYPES = 1 << (IfcGeom::IteratorSettings::NUM_SETTINGS + 4),
        USE_ELEMENT_HIERARCHY = 1 << (IfcGeom::IteratorSettings::NUM_SETTINGS + 5),
        USE_ELEMENT_STEPIDS = 1 << (IfcGeom::IteratorSettings::NUM_SETTINGS + 6),
        USE_Y_UP = 1 << (IfcGeom::IteratorSettings::NUM_SETTINGS + 7),
        NUM_SETTINGS = 7
    };

    SerializerSettings()
        : precision(DEFAULT_PRECISION) { }

    short precision;

    enum { DEFAULT_PRECISION = 15 };
};

class GeometrySerializer : public Serializer {
public:
    GeometrySerializer(const SerializerSettings& settings) : settings_(settings) {}
    virtual ~GeometrySerializer() {}

    virtual bool isTesselated() const = 0;
    virtual void write(const IfcGeom::TriangulationElement<real_t>* o) = 0;
    virtual void write(const IfcGeom::BRepElement<real_t>* o) = 0;
    virtual void setUnitNameAndMagnitude(const std::string& name, float magnitude) = 0;

    const SerializerSettings& settings() const { return settings_; }
    SerializerSettings& settings() { return settings_; }

    virtual std::string object_id(const IfcGeom::Element<real_t>* o)
    {
        if (settings_.get(SerializerSettings::USE_ELEMENT_GUIDS)) return o->guid();
        if (settings_.get(SerializerSettings::USE_ELEMENT_NAMES)) return o->name();
        if (settings_.get(SerializerSettings::USE_ELEMENT_STEPIDS)) return "id-" + boost::lexical_cast<std::string>(o->id());
        return o->unique_id();
    }

protected:
    SerializerSettings settings_;
};

#endif