/********************************************************************************
* *
* 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 . *
* *
********************************************************************************/
%rename("buffer") stream_or_filename;
%ignore stream_or_filename::stream;
// This is only used for RGB colours, hence the size of 3
%typemap(out) const double* {
$result = PyTuple_New(3);
for (int i = 0; i < 3; ++i) {
PyTuple_SetItem($result, i, PyFloat_FromDouble($1[i]));
}
}
// SWIG does not support bool references in a meaningful way, so the
// IfcGeom::IteratorSettings functions degrade to return a read only value
%typemap(out) double& {
$result = SWIG_From_double(*$1);
}
%typemap(out) bool& {
$result = PyBool_FromLong(static_cast(*$1));
}
%ignore IfcGeom::impl::tree::selector;
// Using RTTI return a more specialized type of Element
// Note that these elements are not to be owned by SWIG/Python as they will be freed automatically upon the next iteration
// except for the IfcGeom::Element instances which are returned by Iterator::getObject() calls
%typemap(out) IfcGeom::Element* {
IfcGeom::SerializedElement* serialized_elem = dynamic_cast($1);
IfcGeom::TriangulationElement* triangulation_elem = dynamic_cast($1);
IfcGeom::BRepElement* brep_elem = dynamic_cast($1);
if (triangulation_elem) {
$result = SWIG_NewPointerObj(SWIG_as_voidptr(triangulation_elem), SWIGTYPE_p_IfcGeom__TriangulationElement, 0);
} else if (serialized_elem) {
$result = SWIG_NewPointerObj(SWIG_as_voidptr(serialized_elem), SWIGTYPE_p_IfcGeom__SerializedElement, 0);
} else if (brep_elem) {
$result = SWIG_NewPointerObj(SWIG_as_voidptr(brep_elem), SWIGTYPE_p_IfcGeom__BRepElement, 0);
} else {
$result = SWIG_NewPointerObj(SWIG_as_voidptr($1), SWIGTYPE_p_IfcGeom__Element, SWIG_POINTER_OWN);
}
}
%include "../ifcgeom_schema_agnostic/ifc_geom_api.h"
%include "../ifcgeom_schema_agnostic/IfcGeomIteratorSettings.h"
%include "../ifcgeom_schema_agnostic/IfcGeomElement.h"
%include "../ifcgeom_schema_agnostic/IfcGeomMaterial.h"
%include "../ifcgeom_schema_agnostic/IfcGeomRepresentation.h"
%include "../ifcgeom_schema_agnostic/IfcGeomIterator.h"
%include "../ifcgeom_schema_agnostic/GeometrySerializer.h"
%include "../serializers/SvgSerializer.h"
%include "../serializers/HdfSerializer.h"
%include "../serializers/WavefrontObjSerializer.h"
%include "../serializers/XmlSerializer.h"
%include "../serializers/GltfSerializer.h"
%template(ray_intersection_results) std::vector;
// A Template instantantation should be defined before it is used as a base class.
// But frankly I don't care as most methods are subtlely different anyway.
%include "../ifcgeom_schema_agnostic/IfcGeomTree.h"
%extend IfcGeom::tree {
static aggregate_of_instance::ptr vector_to_list(const std::vector& ps) {
aggregate_of_instance::ptr r(new aggregate_of_instance);
for (std::vector::const_iterator it = ps.begin(); it != ps.end(); ++it) {
r->push(*it);
}
return r;
}
aggregate_of_instance::ptr select_box(IfcUtil::IfcBaseClass* e, bool completely_within = false, double extend=-1.e-5) const {
if (!e->declaration().is("IfcProduct")) {
throw IfcParse::IfcException("Instance should be an IfcProduct");
}
std::vector ps = $self->select_box((IfcUtil::IfcBaseEntity*)e, completely_within, extend);
return IfcGeom_tree_vector_to_list(ps);
}
aggregate_of_instance::ptr select_box(const gp_Pnt& p) const {
std::vector ps = $self->select_box(p);
return IfcGeom_tree_vector_to_list(ps);
}
aggregate_of_instance::ptr select_box(const Bnd_Box& b, bool completely_within = false) const {
std::vector ps = $self->select_box(b, completely_within);
return IfcGeom_tree_vector_to_list(ps);
}
aggregate_of_instance::ptr select(IfcUtil::IfcBaseClass* e, bool completely_within = false, double extend = 0.0) const {
if (!e->declaration().is("IfcProduct")) {
throw IfcParse::IfcException("Instance should be an IfcProduct");
}
std::vector ps = $self->select((IfcUtil::IfcBaseEntity*)e, completely_within, extend);
return IfcGeom_tree_vector_to_list(ps);
}
aggregate_of_instance::ptr select(const gp_Pnt& p, double extend=0.0) const {
std::vector ps = $self->select(p, extend);
return IfcGeom_tree_vector_to_list(ps);
}
aggregate_of_instance::ptr select(const std::string& shape_serialization, bool completely_within = false, double extend = -1.e-5) const {
std::stringstream stream(shape_serialization);
BRepTools_ShapeSet shapes;
shapes.Read(stream);
const TopoDS_Shape& shp = shapes.Shape(shapes.NbShapes());
std::vector ps = $self->select(shp, completely_within, extend);
return IfcGeom_tree_vector_to_list(ps);
}
aggregate_of_instance::ptr select(const IfcGeom::BRepElement* elem, bool completely_within = false, double extend = -1.e-5) const {
std::vector ps = $self->select(elem, completely_within, extend);
return IfcGeom_tree_vector_to_list(ps);
}
}
// A visitor
%{
struct ShapeRTTI : public boost::static_visitor
{
PyObject* operator()(IfcGeom::Element* elem) const {
IfcGeom::SerializedElement* serialized_elem = dynamic_cast(elem);
IfcGeom::TriangulationElement* triangulation_elem = dynamic_cast(elem);
IfcGeom::BRepElement* brep_elem = dynamic_cast(elem);
if (triangulation_elem) {
return SWIG_NewPointerObj(SWIG_as_voidptr(triangulation_elem), SWIGTYPE_p_IfcGeom__TriangulationElement, SWIG_POINTER_OWN);
} else if (serialized_elem) {
return SWIG_NewPointerObj(SWIG_as_voidptr(serialized_elem), SWIGTYPE_p_IfcGeom__SerializedElement, SWIG_POINTER_OWN);
} else if (brep_elem) {
return SWIG_NewPointerObj(SWIG_as_voidptr(brep_elem), SWIGTYPE_p_IfcGeom__BRepElement, SWIG_POINTER_OWN);
} else {
return SWIG_Py_Void();
}
}
PyObject* operator()(IfcGeom::Representation::Representation* representation) const {
IfcGeom::Representation::Serialization* serialized_representation = dynamic_cast(representation);
IfcGeom::Representation::Triangulation* triangulated_representation = dynamic_cast(representation);
IfcGeom::Representation::BRep* brep_representation = dynamic_cast(representation);
if (serialized_representation) {
return SWIG_NewPointerObj(SWIG_as_voidptr(serialized_representation), SWIGTYPE_p_IfcGeom__Representation__Serialization, SWIG_POINTER_OWN);
} else if (triangulated_representation) {
return SWIG_NewPointerObj(SWIG_as_voidptr(triangulated_representation), SWIGTYPE_p_IfcGeom__Representation__Triangulation, SWIG_POINTER_OWN);
} else if (brep_representation) {
return SWIG_NewPointerObj(SWIG_as_voidptr(brep_representation), SWIGTYPE_p_IfcGeom__Representation__BRep, SWIG_POINTER_OWN);
} else {
return SWIG_Py_Void();
}
}
};
%}
// Note that these elements ARE to be owned by SWIG/Python
%typemap(out) boost::variant {
// See which type is set and return appropriate
$result = boost::apply_visitor(ShapeRTTI(), $1);
}
%extend SerializerSettings {
%pythoncode %{
old_init = __init__
def __init__(self, **kwargs):
self.old_init()
for k, v in kwargs.items():
self.set(getattr(self, k), v)
def __repr__(self):
def d():
import numbers
for x in dir(self):
if x.isupper() and x not in {"NUM_SETTINGS", "USE_PYTHON_OPENCASCADE", "DEFAULT_PRECISION"}:
v = getattr(self, x)
if isinstance(v, numbers.Integral):
yield x
return "%s(%s)" % (
type(self).__name__,
(", ".join(map(lambda x: "%s = %r" % (x, self.get(getattr(self, x))), d())))
)
%}
}
%newobject construct_iterator_with_include_exclude;
%newobject construct_iterator_with_include_exclude_globalid;
%newobject construct_iterator_with_include_exclude_id;
// I couldn't get the vector typemap to be applied when %extending Iterator constructor.
// anyway it does not matter as SWIG generates C code without actual constructors
%inline %{
IfcGeom::Iterator* construct_iterator_with_include_exclude(IfcGeom::IteratorSettings settings, IfcParse::IfcFile* file, std::vector elems, bool include, int num_threads) {
std::set elems_set(elems.begin(), elems.end());
IfcGeom::entity_filter ef{ include, false, elems_set };
return new IfcGeom::Iterator(settings, file, {ef}, num_threads);
}
IfcGeom::Iterator* construct_iterator_with_include_exclude_globalid(IfcGeom::IteratorSettings settings, IfcParse::IfcFile* file, std::vector elems, bool include, int num_threads) {
std::set elems_set(elems.begin(), elems.end());
IfcGeom::attribute_filter af;
af.attribute_name = "GlobalId";
af.populate(elems_set);
af.include = include;
return new IfcGeom::Iterator(settings, file, {af}, num_threads);
}
IfcGeom::Iterator* construct_iterator_with_include_exclude_id(IfcGeom::IteratorSettings settings, IfcParse::IfcFile* file, std::vector elems, bool include, int num_threads) {
std::set elems_set(elems.begin(), elems.end());
IfcGeom::instance_id_filter af(include, false, elems_set);
return new IfcGeom::Iterator(settings, file, {af}, num_threads);
}
%}
%extend IfcGeom::Representation::Triangulation {
%pythoncode %{
# Hide the getters with read-only property implementations
id = property(id)
faces = property(faces)
edges = property(edges)
material_ids = property(material_ids)
materials = property(materials)
item_ids = property(item_ids)
%}
};
// Specialized accessors follow later, for otherwise property definitions
// would appear before templated getter functions are defined.
%extend IfcGeom::Representation::Triangulation {
%pythoncode %{
# Hide the getters with read-only property implementations
verts = property(verts)
normals = property(normals)
%}
};
%extend IfcGeom::Representation::Serialization {
%pythoncode %{
# Hide the getters with read-only property implementations
id = property(id)
brep_data = property(brep_data)
surface_styles = property(surface_styles)
surface_style_ids = property(surface_style_ids)
%}
};
%extend IfcGeom::Element {
IfcUtil::IfcBaseClass* product_() const {
return $self->product();
}
%pythoncode %{
# Hide the getters with read-only property implementations
id = property(id)
parent_id = property(parent_id)
name = property(name)
type = property(type)
guid = property(guid)
context = property(context)
unique_id = property(unique_id)
transformation = property(transformation)
product = property(product_)
%}
};
%extend IfcGeom::TriangulationElement {
%pythoncode %{
# Hide the getters with read-only property implementations
geometry = property(geometry)
%}
};
%extend IfcGeom::SerializedElement {
%pythoncode %{
# Hide the getters with read-only property implementations
geometry = property(geometry)
%}
};
%extend IfcGeom::BRepElement {
double calc_volume_() const {
double v;
if ($self->geometry().calculate_volume(v)) {
return v;
} else {
return std::numeric_limits::quiet_NaN();
}
}
double calc_surface_area_() const {
double v;
if ($self->geometry().calculate_surface_area(v)) {
return v;
} else {
return std::numeric_limits::quiet_NaN();
}
}
%pythoncode %{
# Hide the getters with read-only property implementations
geometry = property(geometry)
volume = property(calc_volume_)
surface_area = property(calc_surface_area_)
%}
};
%extend IfcGeom::Material {
%pythoncode %{
# Hide the getters with read-only property implementations
has_diffuse = property(hasDiffuse)
has_specular = property(hasSpecular)
has_transparency = property(hasTransparency)
has_specularity = property(hasSpecularity)
diffuse = property(diffuse)
specular = property(specular)
transparency = property(transparency)
specularity = property(specularity)
name = property(name)
%}
};
%extend IfcGeom::Transformation {
%pythoncode %{
# Hide the getters with read-only property implementations
matrix = property(matrix)
%}
};
%extend IfcGeom::Matrix {
%pythoncode %{
# Hide the getters with read-only property implementations
data = property(data)
%}
};
%{
template
std::string to_locale_invariant_string(const T& t) {
std::ostringstream oss;
oss.imbue(std::locale::classic());
oss << t;
return oss.str();
}
template
static boost::variant helper_fn_create_shape(IfcGeom::IteratorSettings& settings, IfcUtil::IfcBaseClass* instance, IfcUtil::IfcBaseClass* representation = 0) {
IfcParse::IfcFile* file = instance->data().file;
IfcGeom::Kernel kernel(file);
// @todo unify this logic with the logic in iterator impl.
kernel.setValue(IfcGeom::Kernel::GV_MAX_FACES_TO_ORIENT, settings.get(IfcGeom::IteratorSettings::SEW_SHELLS) ? std::numeric_limits::infinity() : -1);
kernel.setValue(IfcGeom::Kernel::GV_DIMENSIONALITY, (settings.get(IfcGeom::IteratorSettings::INCLUDE_CURVES) ? (settings.get(IfcGeom::IteratorSettings::EXCLUDE_SOLIDS_AND_SURFACES) ? -1. : 0.) : +1.));
kernel.setValue(IfcGeom::Kernel::GV_LAYERSET_FIRST,
settings.get(IfcGeom::IteratorSettings::LAYERSET_FIRST)
? +1.0
: -1.0
);
kernel.setValue(IfcGeom::Kernel::GV_NO_WIRE_INTERSECTION_CHECK,
settings.get(IfcGeom::IteratorSettings::NO_WIRE_INTERSECTION_CHECK)
? +1.0
: -1.0
);
kernel.setValue(IfcGeom::Kernel::GV_NO_WIRE_INTERSECTION_TOLERANCE,
settings.get(IfcGeom::IteratorSettings::NO_WIRE_INTERSECTION_TOLERANCE)
? +1.0
: -1.0
);
kernel.setValue(IfcGeom::Kernel::GV_PRECISION_FACTOR,
settings.get(IfcGeom::IteratorSettings::STRICT_TOLERANCE)
? 1.0
: 10.0
);
kernel.setValue(IfcGeom::Kernel::GV_DISABLE_BOOLEAN_RESULT,
settings.get(IfcGeom::IteratorSettings::DISABLE_BOOLEAN_RESULT)
? +1.0
: -1.0
);
kernel.setValue(IfcGeom::Kernel::GV_DEBUG_BOOLEAN,
settings.get(IfcGeom::IteratorSettings::DEBUG_BOOLEAN)
? +1.0
: -1.0
);
kernel.setValue(IfcGeom::Kernel::GV_BOOLEAN_ATTEMPT_2D,
settings.get(IfcGeom::IteratorSettings::BOOLEAN_ATTEMPT_2D)
? +1.0
: -1.0
);
if (instance->declaration().is(Schema::IfcProduct::Class())) {
if (representation) {
if (!representation->declaration().is(Schema::IfcRepresentation::Class())) {
throw IfcParse::IfcException("Supplied representation not of type IfcRepresentation");
}
}
typename Schema::IfcProduct* product = (typename Schema::IfcProduct*) instance;
if (!representation && !product->Representation()) {
throw IfcParse::IfcException("Representation is NULL");
}
typename Schema::IfcProductRepresentation* prodrep = product->Representation();
typename Schema::IfcRepresentation::list::ptr reps = prodrep->Representations();
typename Schema::IfcRepresentation* ifc_representation = (typename Schema::IfcRepresentation*) representation;
if (!ifc_representation) {
// First, try to find a representation based on the settings
for (typename Schema::IfcRepresentation::list::it it = reps->begin(); it != reps->end(); ++it) {
typename Schema::IfcRepresentation* rep = *it;
if (!rep->RepresentationIdentifier()) {
continue;
}
if (!settings.get(IfcGeom::IteratorSettings::EXCLUDE_SOLIDS_AND_SURFACES)) {
if (*rep->RepresentationIdentifier() == "Body") {
ifc_representation = rep;
break;
}
}
if (settings.get(IfcGeom::IteratorSettings::INCLUDE_CURVES)) {
if (*rep->RepresentationIdentifier() == "Plan" || *rep->RepresentationIdentifier() == "Axis") {
ifc_representation = rep;
break;
}
}
}
}
// Otherwise, find a representation within the 'Model' or 'Plan' context
if (!ifc_representation) {
for (typename Schema::IfcRepresentation::list::it it = reps->begin(); it != reps->end(); ++it) {
typename Schema::IfcRepresentation* rep = *it;
typename Schema::IfcRepresentationContext* context = rep->ContextOfItems();
// TODO: Remove redundancy with IfcGeomIterator.h
if (context->ContextType()) {
std::set context_types;
if (!settings.get(IfcGeom::IteratorSettings::EXCLUDE_SOLIDS_AND_SURFACES)) {
context_types.insert("model");
context_types.insert("design");
context_types.insert("model view");
context_types.insert("detail view");
}
if (settings.get(IfcGeom::IteratorSettings::INCLUDE_CURVES)) {
context_types.insert("plan");
}
std::string context_type_lc = *context->ContextType();
for (std::string::iterator c = context_type_lc.begin(); c != context_type_lc.end(); ++c) {
*c = tolower(*c);
}
if (context_types.find(context_type_lc) != context_types.end()) {
ifc_representation = rep;
}
}
}
}
if (!ifc_representation) {
if (reps->size()) {
// Return a random representation
ifc_representation = *reps->begin();
} else {
throw IfcParse::IfcException("No suitable IfcRepresentation found");
}
}
// Read precision for found representation's context
auto context = ifc_representation->ContextOfItems();
if (context->template as()) {
context = context->template as()->ParentContext();
}
if (context->template as() && context->template as()->Precision()) {
double p = *context->template as()->Precision()
* kernel.getValue(IfcGeom::Kernel::GV_PRECISION_FACTOR);
p *= kernel.getValue(IfcGeom::Kernel::GV_LENGTH_UNIT);
if (p < 1.e-7) {
Logger::Message(Logger::LOG_WARNING, "Precision lower than 0.0000001 meter not enforced");
p = 1.e-7;
}
kernel.setValue(IfcGeom::Kernel::GV_PRECISION, p);
}
IfcGeom::BRepElement* brep = kernel.convert(settings, ifc_representation, product);
if (!brep) {
throw IfcParse::IfcException("Failed to process shape");
}
if (settings.get(IfcGeom::IteratorSettings::USE_BREP_DATA)) {
IfcGeom::SerializedElement* serialization = new IfcGeom::SerializedElement(*brep);
delete brep;
return serialization;
} else if (!settings.get(IfcGeom::IteratorSettings::DISABLE_TRIANGULATION)) {
IfcGeom::TriangulationElement* triangulation = new IfcGeom::TriangulationElement(*brep);
delete brep;
return triangulation;
} else {
throw IfcParse::IfcException("No element to return based on provided settings");
}
} else {
if (!representation) {
if (instance->declaration().is(Schema::IfcRepresentationItem::Class()) ||
instance->declaration().is(Schema::IfcRepresentation::Class()) ||
// https://github.com/IfcOpenShell/IfcOpenShell/issues/1649
instance->declaration().is(Schema::IfcProfileDef::Class())
) {
IfcGeom::IfcRepresentationShapeItems shapes = kernel.convert(instance);
IfcGeom::ElementSettings element_settings(settings, kernel.getValue(IfcGeom::Kernel::GV_LENGTH_UNIT), instance->declaration().name());
IfcGeom::Representation::BRep brep(element_settings, to_locale_invariant_string(instance->data().id()), shapes);
try {
if (settings.get(IfcGeom::IteratorSettings::USE_BREP_DATA)) {
return new IfcGeom::Representation::Serialization(brep);
} else if (!settings.get(IfcGeom::IteratorSettings::DISABLE_TRIANGULATION)) {
return new IfcGeom::Representation::Triangulation(brep);
}
} catch (...) {
throw IfcParse::IfcException("Error during shape serialization");
}
}
} else {
throw IfcParse::IfcException("Invalid additional representation specified");
}
}
return boost::variant();
}
%}
%inline %{
static boost::variant create_shape(IfcGeom::IteratorSettings& settings, IfcUtil::IfcBaseClass* instance, IfcUtil::IfcBaseClass* representation = 0) {
const std::string& schema_name = instance->declaration().schema()->name();
#ifdef HAS_SCHEMA_2x3
if (schema_name == "IFC2X3") {
return helper_fn_create_shape(settings, instance, representation);
}
#endif
#ifdef HAS_SCHEMA_4
if (schema_name == "IFC4") {
return helper_fn_create_shape(settings, instance, representation);
}
#endif
#ifdef HAS_SCHEMA_4x1
if (schema_name == "IFC4X1") {
return helper_fn_create_shape(settings, instance, representation);
}
#endif
#ifdef HAS_SCHEMA_4x2
if (schema_name == "IFC4X2") {
return helper_fn_create_shape(settings, instance, representation);
}
#endif
#ifdef HAS_SCHEMA_4x3_rc1
if (schema_name == "IFC4X3_RC1") {
return helper_fn_create_shape(settings, instance, representation);
}
#endif
#ifdef HAS_SCHEMA_4x3_rc2
if (schema_name == "IFC4X3_RC2") {
return helper_fn_create_shape(settings, instance, representation);
}
#endif
#ifdef HAS_SCHEMA_4x3_rc3
if (schema_name == "IFC4X3_RC3") {
return helper_fn_create_shape(settings, instance, representation);
}
#endif
#ifdef HAS_SCHEMA_4x3_rc4
if (schema_name == "IFC4X3_RC4") {
return helper_fn_create_shape(settings, instance, representation);
}
#endif
#ifdef HAS_SCHEMA_4x3
if (schema_name == "IFC4X3") {
return helper_fn_create_shape(settings, instance, representation);
}
#endif
#ifdef HAS_SCHEMA_4x3_tc1
if (schema_name == "IFC4X3_TC1") {
return helper_fn_create_shape(settings, instance, representation);
}
#endif
#ifdef HAS_SCHEMA_4x3_add1
if (schema_name == "IFC4X3_ADD1") {
return helper_fn_create_shape(settings, instance, representation);
}
#endif
#ifdef HAS_SCHEMA_4x3_add2
if (schema_name == "IFC4X3_ADD2") {
return helper_fn_create_shape(settings, instance, representation);
}
#endif
throw IfcParse::IfcException("No geometry support for " + schema_name);
}
%}
%inline %{
IfcUtil::IfcBaseClass* serialise(const std::string& schema_name, const std::string& shape_str, bool advanced=true) {
std::stringstream stream(shape_str);
BRepTools_ShapeSet shapes;
shapes.Read(stream);
const TopoDS_Shape& shp = shapes.Shape(shapes.NbShapes());
return IfcGeom::serialise(schema_name, shp, advanced);
}
IfcUtil::IfcBaseClass* tesselate(const std::string& schema_name, const std::string& shape_str, double d) {
std::stringstream stream(shape_str);
BRepTools_ShapeSet shapes;
shapes.Read(stream);
const TopoDS_Shape& shp = shapes.Shape(shapes.NbShapes());
return IfcGeom::tesselate(schema_name, shp, d);
}
%}
%ignore hlr_writer;
%ignore hlr_calc;
%ignore occt_join;
%ignore prefiltered_hlr;
%ignore svgfill::svg_to_line_segments;
%ignore svgfill::line_segments_to_polygons;
%template(svg_line_segments) std::vector>;
%template(svg_groups_of_line_segments) std::vector>>;
%template(svg_point) std::array;
%template(line_segment) std::array;
%template(svg_polygons) std::vector;
%template(svg_groups_of_polygons) std::vector>;
%template(svg_loop) std::vector>;
%template(svg_loops) std::vector>>;
%naturalvar svgfill::polygon_2::boundary;
%naturalvar svgfill::polygon_2::inner_boundaries;
%naturalvar svgfill::polygon_2::point_inside;
%include "../svgfill/src/svgfill.h"
%inline %{
std::vector> svg_to_line_segments(const std::string& data, const boost::optional& class_name) {
std::vector> r;
if (svgfill::svg_to_line_segments(data, class_name, r)) {
return r;
} else {
throw std::runtime_error("Failed to read SVG");
}
}
std::vector> line_segments_to_polygons(svgfill::solver s, double eps, const std::vector>& segments) {
std::vector> r;
if (svgfill::line_segments_to_polygons(s, eps, segments, r)) {
return r;
} else {
throw std::runtime_error("Failed to read SVG");
}
}
%}