mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-13 10:57:49 +00:00
Thomas Krijnen
302 lines
10 KiB
C++
302 lines
10 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 IFCSHAPELIST_H
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#define IFCSHAPELIST_H
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#include "../ifcgeom/IfcGeomRenderStyles.h"
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#include "../ifcgeom/ConversionSettings.h"
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#include "../ifcgeom/taxonomy.h"
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#include <memory>
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#include <vector>
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namespace IfcGeom {
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namespace Representation {
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class IFC_GEOM_API Triangulation;
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}
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template <typename T>
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constexpr T add_(T a, T b) {
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return a + b;
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}
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template <typename T>
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constexpr T subtract_(T a, T b) {
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return a - b;
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}
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template <typename T>
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constexpr T multiply_(T a, T b) {
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return a * b;
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}
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template <typename T>
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constexpr T divide_(T a, T b) {
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return a / b;
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}
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template <typename T>
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constexpr bool equals_(T a, T b) {
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return a == b;
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}
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template <typename T>
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constexpr bool less_than_(T a, T b) {
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return a < b;
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}
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template <typename T>
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constexpr T negate_(T a) {
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return -a;
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}
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class IFC_GEOM_API OpaqueNumber {
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public:
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virtual double to_double() const = 0;
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virtual std::string to_string() const = 0;
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virtual ~OpaqueNumber() {}
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virtual OpaqueNumber* operator+(OpaqueNumber* other) const = 0;
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virtual OpaqueNumber* operator-(OpaqueNumber* other) const = 0;
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virtual OpaqueNumber* operator*(OpaqueNumber* other) const = 0;
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virtual OpaqueNumber* operator/(OpaqueNumber* other) const = 0;
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virtual bool operator==(OpaqueNumber* other) const = 0;
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virtual bool operator<(OpaqueNumber* other) const = 0;
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virtual OpaqueNumber* operator-() const = 0;
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virtual OpaqueNumber* clone() const = 0;
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};
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// @todo this can simply be a template class, to remove the need for the NumberEpeck in CGAL kernel.
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class IFC_GEOM_API NumberNativeDouble : public OpaqueNumber {
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private:
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double value_;
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template <double (*Fn)(double, double)>
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OpaqueNumber* binary_op(OpaqueNumber* other) const {
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auto nnd = dynamic_cast<NumberNativeDouble*>(other);
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if (nnd) {
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return new NumberNativeDouble(Fn(value_, nnd->value_));
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} else {
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return nullptr;
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}
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}
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template <bool(*Fn)(double, double)>
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bool binary_op_bool(OpaqueNumber* other) const {
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auto nnd = dynamic_cast<NumberNativeDouble*>(other);
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if (nnd) {
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return Fn(value_, nnd->value_);
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} else {
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return false;
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}
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}
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template <double(*Fn)(double)>
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OpaqueNumber* unary_op() const {
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return new NumberNativeDouble(Fn(value_));
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}
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public:
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NumberNativeDouble(double v)
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: value_(v) {}
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virtual double to_double() const {
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return value_;
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}
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virtual std::string to_string() const;
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virtual OpaqueNumber* operator+(OpaqueNumber* other) const {
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return binary_op<add_<double>>(other);
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}
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virtual OpaqueNumber* operator-(OpaqueNumber* other) const {
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return binary_op<subtract_<double>>(other);
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}
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virtual OpaqueNumber* operator*(OpaqueNumber* other) const {
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return binary_op<multiply_<double>>(other);
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}
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virtual OpaqueNumber* operator/(OpaqueNumber* other) const {
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return binary_op<divide_<double>>(other);
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}
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virtual bool operator==(OpaqueNumber* other) const {
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return binary_op_bool<equals_<double>>(other);
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}
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virtual bool operator<(OpaqueNumber* other) const {
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return binary_op_bool<less_than_<double>>(other);
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}
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virtual OpaqueNumber* operator-() const {
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return unary_op<negate_<double>>();
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}
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virtual OpaqueNumber* clone() const {
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return new NumberNativeDouble(value_);
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}
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};
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template <size_t N>
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struct IFC_GEOM_API OpaqueCoordinate {
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private:
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std::array<OpaqueNumber*, N> values;
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static void copy_(std::array<OpaqueNumber*, N>& dest, const std::array<OpaqueNumber*, N>& src) {
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for (size_t i = 0; i < N; ++i) {
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dest[i] = (src[i] != nullptr) ? src[i]->clone() : nullptr;
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}
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}
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public:
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template <typename... Args>
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OpaqueCoordinate(Args... args) {
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static_assert(sizeof...(args) == N, "Incorrect number of arguments provided");
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init_<0>(args...);
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}
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OpaqueCoordinate() {
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for (auto it = values.begin(); it != values.end(); ++it) {
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*it = nullptr;
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}
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}
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OpaqueCoordinate(const OpaqueCoordinate& other) {
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copy_(values, other.values);
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}
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OpaqueCoordinate& operator=(const OpaqueCoordinate& other) {
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if (this != &other) {
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copy_(values, other.values);
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}
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return *this;
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}
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~OpaqueCoordinate() {
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for (auto it = values.begin(); it != values.end(); ++it) {
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delete *it;
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}
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}
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OpaqueNumber* get(size_t i) const {
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if (i >= N) {
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return nullptr;
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}
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return values[i];
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}
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void set(size_t i, OpaqueNumber* n) {
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if (i < N) {
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values[i] = n->clone();
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}
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}
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private:
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template <size_t Index, typename... Args>
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void init_(OpaqueNumber* value, Args... args) {
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values[Index] = value;
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if constexpr (Index + 1 < N) {
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init_<Index + 1>(args...);
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}
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}
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};
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class IFC_GEOM_API ConversionResultShape {
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public:
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virtual void Triangulate(ifcopenshell::geometry::Settings settings, const ifcopenshell::geometry::taxonomy::matrix4& place, Representation::Triangulation* t, int item_id, int surface_style_id) const = 0;
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IfcGeom::Representation::Triangulation* Triangulate(const ifcopenshell::geometry::Settings& settings) const;
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virtual void Serialize(const ifcopenshell::geometry::taxonomy::matrix4& place, std::string&) const = 0;
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virtual int surface_genus() const = 0;
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virtual bool is_manifold() const = 0;
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virtual int num_vertices() const = 0;
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virtual int num_edges() const = 0;
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virtual int num_faces() const = 0;
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// @todo choose one prototype
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virtual double bounding_box(void*&) const = 0;
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// @todo this must be something with a virtual dtor so that we can delete it.
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virtual std::pair<OpaqueCoordinate<3>, OpaqueCoordinate<3>> bounding_box() const = 0;
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virtual void set_box(void* b) = 0;
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virtual OpaqueNumber* length() = 0;
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virtual OpaqueNumber* area() = 0;
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virtual OpaqueNumber* volume() = 0;
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virtual OpaqueCoordinate<3> position() = 0;
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virtual OpaqueCoordinate<3> axis() = 0;
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virtual OpaqueCoordinate<4> plane_equation() = 0;
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virtual std::vector<ConversionResultShape*> convex_decomposition() = 0;
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virtual ConversionResultShape* halfspaces() = 0;
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virtual ConversionResultShape* box() = 0;
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virtual ConversionResultShape* solid() = 0;
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virtual std::vector<ConversionResultShape*> vertices() = 0;
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virtual std::vector<ConversionResultShape*> edges() = 0;
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virtual std::vector<ConversionResultShape*> facets() = 0;
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virtual ConversionResultShape* add(ConversionResultShape*) = 0;
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virtual ConversionResultShape* subtract(ConversionResultShape*) = 0;
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virtual ConversionResultShape* intersect(ConversionResultShape*) = 0;
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virtual void map(OpaqueCoordinate<4>& from, OpaqueCoordinate<4>& to) = 0;
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virtual void map(const std::vector<OpaqueCoordinate<4>>& from, const std::vector<OpaqueCoordinate<4>>& to) = 0;
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virtual ConversionResultShape* moved(ifcopenshell::geometry::taxonomy::matrix4::ptr) const = 0;
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virtual ~ConversionResultShape() {}
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};
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class IFC_GEOM_API ConversionResult {
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private:
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int id;
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ifcopenshell::geometry::taxonomy::matrix4::ptr placement_;
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std::shared_ptr<ConversionResultShape> shape_;
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ifcopenshell::geometry::taxonomy::style::ptr style_;
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public:
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ConversionResult(int id, ifcopenshell::geometry::taxonomy::matrix4::ptr placement, ConversionResultShape* shape, ifcopenshell::geometry::taxonomy::style::ptr style)
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: id(id), placement_(placement ? placement : ifcopenshell::geometry::taxonomy::make<ifcopenshell::geometry::taxonomy::matrix4>()), shape_(shape), style_(style)
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{}
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ConversionResult(int id, ifcopenshell::geometry::taxonomy::matrix4::ptr placement, ConversionResultShape* shape)
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: id(id), placement_(placement ? placement : ifcopenshell::geometry::taxonomy::make<ifcopenshell::geometry::taxonomy::matrix4>()), shape_(shape)
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{}
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ConversionResult(int id, ConversionResultShape* shape, ifcopenshell::geometry::taxonomy::style::ptr style)
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: id(id), placement_(ifcopenshell::geometry::taxonomy::make<ifcopenshell::geometry::taxonomy::matrix4>()), shape_(shape), style_(style)
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{}
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ConversionResult(int id, ConversionResultShape* shape)
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: id(id), placement_(ifcopenshell::geometry::taxonomy::make<ifcopenshell::geometry::taxonomy::matrix4>()), shape_(shape)
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{}
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void append(ifcopenshell::geometry::taxonomy::matrix4::ptr trsf);
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void prepend(ifcopenshell::geometry::taxonomy::matrix4::ptr trsf);
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std::shared_ptr<ConversionResultShape> Shape() const { return shape_; }
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ifcopenshell::geometry::taxonomy::matrix4::ptr Placement() const { return placement_; }
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bool hasStyle() const { return !!style_; }
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const ifcopenshell::geometry::taxonomy::style& Style() const { return *style_; }
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ifcopenshell::geometry::taxonomy::style::ptr StylePtr() const { return style_; }
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void setStyle(ifcopenshell::geometry::taxonomy::style::ptr newStyle) { style_ = newStyle; }
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int ItemId() const { return id; }
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};
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typedef std::vector<ConversionResult> ConversionResults;
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namespace util {
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// @todo this is now moved to occt kernel, do we need something similar in cgal?
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// bool flatten_shape_list(const IfcGeom::ConversionResults& shapes, TopoDS_Shape& result, bool fuse, double tol);
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}
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}
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#endif
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