mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-10 17:58:20 +00:00
Thomas Krijnen
183 lines
7.9 KiB
C++
183 lines
7.9 KiB
C++
/********************************************************************************
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* *
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* This file is part of IfcOpenShell. *
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* *
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* IfcOpenShell is free software: you can redistribute it and/or modify *
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* it under the terms of the Lesser GNU General Public License as published by *
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* the Free Software Foundation, either version 3.0 of the License, or *
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* (at your option) any later version. *
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* *
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* IfcOpenShell 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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* Lesser GNU General Public License for more details. *
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* *
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* You should have received a copy of the Lesser GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>. *
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* *
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********************************************************************************/
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#ifndef GEOMETRYSERIALIZER_H
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#define GEOMETRYSERIALIZER_H
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#include "../ifcgeom/Serializer.h"
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#include "../ifcgeom/IfcGeomElement.h"
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#include <fstream>
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namespace ifcopenshell {
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namespace geometry {
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inline namespace settings {
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struct UseElementNames : public SettingBase<UseElementNames, bool> {
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static constexpr const char* const name = "use-element-names";
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static constexpr const char* const description = "Use entity instance IfcRoot.Name instead of unique IDs for naming elements upon serialization. "
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"Applicable for OBJ, DAE, STP, and SVG output.";
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static constexpr bool defaultvalue = false;
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};
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struct UseElementGuids : public SettingBase<UseElementGuids, bool> {
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static constexpr const char* const name = "use-element-guids";
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static constexpr const char* const description = "Use entity instance IfcRoot.GlobalId instead of unique IDs for naming elements upon serialization. "
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"Applicable for OBJ, DAE, STP, and SVG output.";
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static constexpr bool defaultvalue = false;
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};
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struct UseElementStepIds : public SettingBase<UseElementStepIds, bool> {
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static constexpr const char* const name = "use-element-step-ids";
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static constexpr const char* const description = "Use the numeric step identifier (entity instance name) for naming elements upon serialization. "
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"Applicable for OBJ, DAE, STP, and SVG output.";
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static constexpr bool defaultvalue = false;
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};
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struct UseElementTypes : public SettingBase<UseElementTypes, bool> {
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static constexpr const char* const name = "use-element-types";
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static constexpr const char* const description = "Use element types instead of unique IDs for naming elements upon serialization. "
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"Applicable to DAE output.";
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static constexpr bool defaultvalue = false;
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};
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struct UseYUp : public SettingBase<UseYUp, bool> {
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static constexpr const char* const name = "y-up";
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static constexpr const char* const description = "Change the 'up' axis to positive Y, default is Z UP. Applicable to OBJ output.";
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static constexpr bool defaultvalue = false;
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};
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struct WriteGltfEcef : public SettingBase<WriteGltfEcef, bool> {
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static constexpr const char* const name = "ecef";
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static constexpr const char* const description = "Write glTF in Earth-Centered Earth-Fixed coordinates. Requires PROJ.";
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static constexpr bool defaultvalue = false;
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};
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struct FloatingPointDigits : public SettingBase<FloatingPointDigits, int> {
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static constexpr const char* const name = "digits";
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static constexpr const char* const description = "Sets the precision to be used to format floating-point values, 15 by default. "
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"Use a negative value to use the system's default precision (should be 6 typically). "
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"Applicable for OBJ and DAE output. For DAE output, value >= 15 means that up to 16 decimals are used, "
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" and any other value means that 6 or 7 decimals are used.";
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static constexpr int defaultvalue = 15;
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};
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struct BaseUri : public SettingBase<BaseUri, std::string> {
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static constexpr const char* const name = "base-uri";
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static constexpr const char* const description = "Base URI for products to be used in RDF-based serializations.";
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};
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struct WktUseSection : public SettingBase<WktUseSection, bool> {
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static constexpr const char* const name = "wkt-use-section";
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static constexpr const char* const description = "Use a geometrical section rather than full polyhedral output and footprint in TTL WKT";
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static constexpr bool defaultvalue = false;
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};
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}
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class SerializerSettings : public SettingsContainer <
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// @todo should we use tuple_cat here to unify the settings into a single class?
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std::tuple<UseElementNames, UseElementGuids, UseElementStepIds, UseElementTypes, UseYUp, WriteGltfEcef, FloatingPointDigits, BaseUri, WktUseSection>
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>
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{};
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}
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}
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class stream_or_filename {
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private:
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std::shared_ptr<std::ofstream> ofs_;
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std::shared_ptr<std::ostringstream> oss_;
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boost::optional<std::string> filename_;
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public:
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std::ostream& stream;
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stream_or_filename(const std::string& fn)
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: ofs_(new std::ofstream(IfcUtil::path::from_utf8(fn).c_str()))
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, stream(*ofs_)
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{}
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stream_or_filename()
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: oss_(new std::ostringstream)
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, stream(*oss_)
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{}
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std::string get_value() const {
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return oss_->str();
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}
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boost::optional<std::string> filename() const {
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return filename_;
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}
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bool is_ready() {
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if (ofs_) {
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return ofs_->is_open();
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} else {
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return true;
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}
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}
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};
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class GeometrySerializer : public Serializer {
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public:
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enum read_type { READ_BREP, READ_TRIANGULATION };
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GeometrySerializer(const ifcopenshell::geometry::Settings& geometry_settings, const ifcopenshell::geometry::SerializerSettings& settings)
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: geometry_settings_(geometry_settings)
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, settings_(settings)
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{}
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virtual ~GeometrySerializer() {}
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virtual bool isTesselated() const = 0;
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virtual void write(const IfcGeom::TriangulationElement* o) = 0;
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virtual void write(const IfcGeom::BRepElement* o) = 0;
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virtual void setUnitNameAndMagnitude(const std::string& name, float magnitude) = 0;
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virtual IfcGeom::Element* read(IfcParse::IfcFile& f, const std::string& guid, const std::string& representation_id, read_type rt = READ_BREP) = 0;
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const ifcopenshell::geometry::SerializerSettings& settings() const { return settings_; }
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ifcopenshell::geometry::SerializerSettings& settings() { return settings_; }
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const ifcopenshell::geometry::Settings& geometry_settings() const { return geometry_settings_; }
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ifcopenshell::geometry::Settings& geometry_settings() { return geometry_settings_; }
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/// Returns ID for the object depending on the used setting.
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virtual std::string object_id(const IfcGeom::Element* o)
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{
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if (settings_.get<ifcopenshell::geometry::settings::UseElementGuids>().get()) return o->guid();
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if (settings_.get<ifcopenshell::geometry::settings::UseElementNames>().get()) return o->name();
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if (settings_.get<ifcopenshell::geometry::settings::UseElementStepIds>().get()) return "id-" + boost::lexical_cast<std::string>(o->id());
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return o->unique_id();
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}
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protected:
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ifcopenshell::geometry::Settings geometry_settings_;
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ifcopenshell::geometry::SerializerSettings settings_;
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};
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class WriteOnlyGeometrySerializer : public GeometrySerializer {
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public:
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WriteOnlyGeometrySerializer(const ifcopenshell::geometry::Settings& geometry_settings, const ifcopenshell::geometry::SerializerSettings& settings) : GeometrySerializer(geometry_settings, settings) {}
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virtual IfcGeom::Element* read(IfcParse::IfcFile&, const std::string&, const std::string&, read_type = READ_BREP) {
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throw std::runtime_error("Not supported");
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};
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};
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#endif
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