Added python bindings for voronoi diagram construction and accessing the resulting vertices.

This commit is contained in:
Markus Lampert
2020-09-02 19:23:11 -07:00
committed by sliptonic
parent 1a15d566d5
commit 04cf9c2e46
10 changed files with 734 additions and 0 deletions

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@@ -46,6 +46,10 @@
#include "FeaturePathShape.h"
#include "AreaPy.h"
#include "FeatureArea.h"
#include "Voronoi.h"
#include "VoronoiPy.h"
#include "VoronoiVertex.h"
#include "VoronoiVertexPy.h"
namespace Path {
extern PyObject* initModule();
@@ -72,6 +76,8 @@ PyMOD_INIT_FUNC(Path)
Base::Interpreter().addType(&Path::ToolPy ::Type, pathModule, "Tool");
Base::Interpreter().addType(&Path::TooltablePy ::Type, pathModule, "Tooltable");
Base::Interpreter().addType(&Path::AreaPy ::Type, pathModule, "Area");
Base::Interpreter().addType(&Path::VoronoiPy ::Type, pathModule, "Voronoi");
Base::Interpreter().addType(&Path::VoronoiVertexPy ::Type, pathModule, "VoronoiVertex");
// NOTE: To finish the initialization of our own type objects we must
// call PyType_Ready, otherwise we run into a segmentation fault, later on.
@@ -94,6 +100,8 @@ PyMOD_INIT_FUNC(Path)
Path::FeatureAreaPython ::init();
Path::FeatureAreaView ::init();
Path::FeatureAreaViewPython ::init();
Path::Voronoi ::init();
Path::VoronoiVertex ::init();
PyMOD_Return(pathModule);
}

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@@ -36,6 +36,8 @@ generate_from_xml(TooltablePy)
generate_from_xml(FeaturePathCompoundPy)
generate_from_xml(AreaPy)
generate_from_xml(FeatureAreaPy)
generate_from_xml(VoronoiPy)
generate_from_xml(VoronoiVertexPy)
SET(Python_SRCS
CommandPy.xml
@@ -52,6 +54,10 @@ SET(Python_SRCS
AreaPyImp.cpp
FeatureAreaPy.xml
FeatureAreaPyImp.cpp
VoronoiPy.xml
VoronoiPyImp.cpp
VoronoiVertexPy.xml
VoronoiVertexPyImp.cpp
)
SET(Mod_SRCS
@@ -90,6 +96,10 @@ SET(Path_SRCS
FeatureArea.h
PathSegmentWalker.h
PathSegmentWalker.cpp
Voronoi.cpp
Voronoi.h
VoronoiVertex.cpp
VoronoiVertex.h
${Mod_SRCS}
${Python_SRCS}
)

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@@ -0,0 +1,106 @@
/***************************************************************************
* Copyright (c) sliptonic (shopinthewoods@gmail.com) 2020 *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library 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 *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
# include <cinttypes>
# include <iomanip>
# include <boost/algorithm/string.hpp>
# include <boost/lexical_cast.hpp>
#endif
#include <Base/Vector3D.h>
#include <Base/Writer.h>
#include <Base/Reader.h>
#include <Base/Exception.h>
#include "Voronoi.h"
using namespace Base;
using namespace Path;
TYPESYSTEM_SOURCE(Path::Voronoi , Base::BaseClass);
// Helpers
#if 0
static const std::size_t EXTERNAL_COLOR = 1;
static void color_exterior(const Voronoi::diagram_type::edge_type *edge) {
if (edge->color() == EXTERNAL_COLOR) {
// end recursion
return;
}
edge->color(EXTERNAL_COLOR);
edge->twin()->color(EXTERNAL_COLOR);
auto v = edge->vertex1();
if (v == NULL || !edge->is_primary()) {
return;
}
v->color(EXTERNAL_COLOR);
auto e = v->incident_edge();
do {
color_exterior(e);
e = e->rot_next();
} while (e != v->incident_edge());
}
#endif
// Constructors & destructors
Voronoi::Voronoi()
:vd(new diagram_type)
{
}
Voronoi::~Voronoi()
{
}
void Voronoi::addPoint(const Voronoi::point_type &p) {
points.push_back(p);
}
void Voronoi::addSegment(const Voronoi::segment_type &s) {
segments.push_back(s);
}
long Voronoi::numCells() const {
return vd->num_cells();
}
long Voronoi::numEdges() const {
return vd->num_edges();
}
long Voronoi::numVertices() const {
return vd->num_vertices();
}
void Voronoi::construct()
{
vd->clear();
construct_voronoi(points.begin(), points.end(), segments.begin(), segments.end(), (voronoi_diagram_type*)vd);
}

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@@ -0,0 +1,76 @@
/***************************************************************************
* Copyright (c) sliptonic (shopinthewoods@gmail.com) 2020 *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library 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 *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#ifndef PATH_VORONOI_H
#define PATH_VORONOI_H
#include <map>
#include <string>
#include <Base/BaseClass.h>
#include <Base/Handle.h>
#include <Base/Vector3D.h>
#include <vector>
#include <boost/polygon/point_concept.hpp>
#include <boost/polygon/polygon.hpp>
#include <boost/polygon/segment_concept.hpp>
#include <boost/polygon/voronoi.hpp>
namespace Path
{
class PathExport Voronoi
: public Base::BaseClass
{
TYPESYSTEM_HEADER();
public:
//constructors
Voronoi();
~Voronoi();
// types
typedef double coordinate_type;
typedef boost::polygon::point_data<coordinate_type> point_type;
typedef boost::polygon::segment_data<coordinate_type> segment_type;
typedef boost::polygon::voronoi_diagram<coordinate_type> voronoi_diagram_type;
class diagram_type
: public voronoi_diagram_type
, public Base::Handled
{ };
// specific methods
void addPoint(const point_type &p);
void addSegment(const segment_type &p);
void construct();
long numCells() const;
long numEdges() const;
long numVertices() const;
// attributes
std::vector<point_type> points;
std::vector<segment_type> segments;
Base::Reference<diagram_type> vd;
};
} //namespace Path
#endif // PATH_VORONOI_H

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@@ -0,0 +1,69 @@
<?xml version="1.0" encoding="UTF-8"?>
<GenerateModel xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="generateMetaModel_Module.xsd">
<PythonExport
Father="BaseClassPy"
Name="VoronoiPy"
Twin="Voronoi"
TwinPointer="Voronoi"
Include="Mod/Path/App/Voronoi.h"
Namespace="Path"
FatherInclude="Base/BaseClassPy.h"
FatherNamespace="Base"
Constructor="true"
Delete="true">
<Documentation>
<Author Licence="LGPL" Name="sliptonic" EMail="shopinthewoods@gmail.com" />
<UserDocu>Voronoi([segments]): Create voronoi for given collection of line segments</UserDocu>
</Documentation>
<!--
<Attribute Name="Cells" ReadOnly="true">
<Documentation>
<UserDocu>List of all cells of the voronoi diagram</UserDocu>
</Documentation>
<Parameter Name="Cells" Type="List"/>
</Attribute>
<Attribute Name="Edges" ReadOnly="true">
<Documentation>
<UserDocu>List of all edges of the voronoi diagram</UserDocu>
</Documentation>
<Parameter Name="Edges" Type="List"/>
</Attribute>
-->
<Attribute Name="Vertices" ReadOnly="true">
<Documentation>
<UserDocu>List of all vertices of the voronoi diagram</UserDocu>
</Documentation>
<Parameter Name="Vertices" Type="List"/>
</Attribute>
<Methode Name="numCells" Const="true">
<Documentation>
<UserDocu>Return number of cells</UserDocu>
</Documentation>
</Methode>
<Methode Name="numEdges" Const="true">
<Documentation>
<UserDocu>Return number of edges</UserDocu>
</Documentation>
</Methode>
<Methode Name="numVertices" Const="true">
<Documentation>
<UserDocu>Return number of vertices</UserDocu>
</Documentation>
</Methode>
<Methode Name="addPoint">
<Documentation>
<UserDocu>addPoint(vector|vector2d) add given point to input collection</UserDocu>
</Documentation>
</Methode>
<Methode Name="addSegment">
<Documentation>
<UserDocu>addSegment(vector|vector2d, vector|vector2d) add given segment to input collection</UserDocu>
</Documentation>
</Methode>
<Methode Name="construct">
<Documentation>
<UserDocu>constructs the voronoi diagram from the input collections</UserDocu>
</Documentation>
</Methode>
</PythonExport>
</GenerateModel>

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@@ -0,0 +1,164 @@
/***************************************************************************
* Copyright (c) sliptonic (shopinthewoods@gmail.com) 2020 *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library 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 *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
# include <boost/algorithm/string.hpp>
#endif
#include "Mod/Path/App/Voronoi.h"
#include "Mod/Path/App/VoronoiVertex.h"
#include <Base/Exception.h>
#include <Base/GeometryPyCXX.h>
#include <Base/Vector3D.h>
#include <Base/VectorPy.h>
// files generated out of VoronoiPy.xml
#include "VoronoiPy.h"
#include "VoronoiPy.cpp"
#include "VoronoiVertexPy.h"
using namespace Path;
// returns a string which represents the object e.g. when printed in python
std::string VoronoiPy::representation(void) const
{
std::stringstream ss;
ss.precision(5);
ss << "Voronoi("
<< "{" << getVoronoiPtr()->segments.size() << ", " << getVoronoiPtr()->points.size() << "}"
<< " -> "
<< "{" << getVoronoiPtr()->numCells() << ", " << getVoronoiPtr()->numEdges() << ", " << getVoronoiPtr()->numVertices() << "}"
<< ")";
return ss.str();
}
PyObject *VoronoiPy::PyMake(struct _typeobject *, PyObject *, PyObject *) // Python wrapper
{
// create a new instance of VoronoiPy and its twin object
return new VoronoiPy(new Voronoi);
}
// constructor
int VoronoiPy::PyInit(PyObject* args, PyObject* /*kwds*/)
{
if (!PyArg_ParseTuple(args, "")) {
PyErr_SetString(PyExc_RuntimeError, "no arguments accepted");
return -1;
}
return 0;
}
Voronoi::point_type getPointFromPy(PyObject *obj) {
if (obj) {
if (PyObject_TypeCheck(obj, &Base::VectorPy::Type)) {
Base::Vector3d *vect = (static_cast<Base::VectorPy*>(obj))->getVectorPtr();
return Voronoi::point_type(vect->x, vect->y);
} else if (PyObject_TypeCheck(obj, Base::Vector2dPy::type_object())) {
Base::Vector2d vect = Py::toVector2d(obj);
return Voronoi::point_type(vect.x, vect.y);
}
}
throw Py::TypeError("Points must be Base::Vector or Base::Vector2d");
return Voronoi::point_type();
}
PyObject* VoronoiPy::addPoint(PyObject *args) {
PyObject *obj = 0;
if (PyArg_ParseTuple(args, "O", &obj)) {
getVoronoiPtr()->points.push_back(getPointFromPy(obj));
}
Py_INCREF(Py_None);
return Py_None;
}
PyObject* VoronoiPy::addSegment(PyObject *args) {
PyObject *objBegin = 0;
PyObject *objEnd = 0;
if (PyArg_ParseTuple(args, "OO", &objBegin, &objEnd)) {
auto p0 = getPointFromPy(objBegin);
auto p1 = getPointFromPy(objEnd);
getVoronoiPtr()->segments.push_back(Voronoi::segment_type(p0, p1));
}
Py_INCREF(Py_None);
return Py_None;
}
PyObject* VoronoiPy::construct(PyObject *args) {
if (!PyArg_ParseTuple(args, "")) {
throw Py::RuntimeError("no arguments accepted");
}
getVoronoiPtr()->construct();
Py_INCREF(Py_None);
return Py_None;
}
PyObject* VoronoiPy::numCells(PyObject *args)
{
if (!PyArg_ParseTuple(args, "")) {
throw Py::RuntimeError("no arguments accepted");
}
return PyLong_FromLong(getVoronoiPtr()->numCells());
}
PyObject* VoronoiPy::numEdges(PyObject *args)
{
if (!PyArg_ParseTuple(args, "")) {
throw Py::RuntimeError("no arguments accepted");
}
return PyLong_FromLong(getVoronoiPtr()->numEdges());
}
PyObject* VoronoiPy::numVertices(PyObject *args)
{
if (!PyArg_ParseTuple(args, "")) {
throw Py::RuntimeError("no arguments accepted");
}
return PyLong_FromLong(getVoronoiPtr()->numVertices());
}
Py::List VoronoiPy::getVertices(void) const {
Py::List list;
for (int i=0; i<getVoronoiPtr()->numVertices(); ++i) {
list.append(Py::asObject(new VoronoiVertexPy(new VoronoiVertex(getVoronoiPtr()->vd, i))));
}
return list;
}
// custom attributes get/set
PyObject *VoronoiPy::getCustomAttributes(const char* /*attr*/) const
{
return 0;
}
int VoronoiPy::setCustomAttributes(const char* /*attr*/, PyObject* /*obj*/)
{
return 0;
}

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@@ -0,0 +1,52 @@
/***************************************************************************
* Copyright (c) sliptonic (shopinthewoods@gmail.com) 2020 *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library 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 *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
# include <cinttypes>
# include <iomanip>
# include <boost/algorithm/string.hpp>
# include <boost/lexical_cast.hpp>
#endif
#include <Base/Vector3D.h>
#include <Base/Writer.h>
#include <Base/Reader.h>
#include <Base/Exception.h>
#include "Voronoi.h"
#include "VoronoiVertex.h"
using namespace Base;
using namespace Path;
TYPESYSTEM_SOURCE(Path::VoronoiVertex , Base::Persistence)
VoronoiVertex::VoronoiVertex(Voronoi::diagram_type *d, long index)
: dia(d)
, index(index)
{
}
VoronoiVertex::~VoronoiVertex() {
}

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@@ -0,0 +1,52 @@
/***************************************************************************
* Copyright (c) sliptonic (shopinthewoods@gmail.com) 2020 *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library 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 *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#ifndef PATH_VORONOIVERTEX_H
#define PATH_VORONOIVERTEX_H
#include <Base/Handle.h>
#include <Base/BaseClass.h>
#include <Base/Vector3D.h>
#include <Base/VectorPy.h>
#include "Voronoi.h"
namespace Path
{
class Voronoi;
class PathExport VoronoiVertex
: public Base::BaseClass
{
TYPESYSTEM_HEADER();
public:
VoronoiVertex(Voronoi::diagram_type* dia = 0, long index = INT_MAX);
~VoronoiVertex();
bool isBound(void) const { return dia.isValid() && index != INT_MAX; }
Base::Reference<Voronoi::diagram_type> dia;
long index;
};
}
#endif

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@@ -0,0 +1,46 @@
<?xml version="1.0" encoding="UTF-8"?>
<GenerateModel xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="generateMetaModel_Module.xsd">
<PythonExport
Father="BaseClassPy"
Name="VoronoiVertexPy"
Twin="VoronoiVertex"
TwinPointer="VoronoiVertex"
Include="Mod/Path/App/Voronoi.h"
FatherInclude="Base/BaseClassPy.h"
Namespace="Path"
FatherNamespace="Base"
Constructor="true"
RichCompare="true"
Delete="true">
<Documentation>
<Author Licence="LGPL" Name="sliptonic" EMail="shopinthewoods@gmail.com" />
<UserDocu>Vertex of a Voronoi diagram</UserDocu>
</Documentation>
<Attribute Name="Color" ReadOnly="false">
<Documentation>
<UserDocu>Assigned color of the receiver.</UserDocu>
</Documentation>
<Parameter Name="Color" Type="Int"/>
</Attribute>
<Attribute Name="X" ReadOnly="true">
<Documentation>
<UserDocu>X position</UserDocu>
</Documentation>
<Parameter Name="X" Type="Float"/>
</Attribute>
<Attribute Name="Y" ReadOnly="true">
<Documentation>
<UserDocu>Y position</UserDocu>
</Documentation>
<Parameter Name="Y" Type="Float"/>
</Attribute>
<!--
<Attribute Name="IncidentEdge" ReadOnly="true">
<Documentation>
<UserDocu>Y position</UserDocu>
</Documentation>
<Parameter Name="IncidentEdge" Type="Object"/>
</Attribute>
-->
</PythonExport>
</GenerateModel>

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@@ -0,0 +1,151 @@
/***************************************************************************
* Copyright (c) sliptonic (shopinthewoods@gmail.com) 2020 *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library 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 *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
# include <boost/algorithm/string.hpp>
#endif
#include "Mod/Path/App/Voronoi.h"
#include "Mod/Path/App/VoronoiVertex.h"
#include <Base/Exception.h>
#include <Base/GeometryPyCXX.h>
#include <Base/PlacementPy.h>
#include <Base/Vector3D.h>
#include <Base/VectorPy.h>
// files generated out of VoronoiVertexPy.xml
#include "VoronoiPy.h"
#include "VoronoiVertexPy.h"
#include "VoronoiVertexPy.cpp"
using namespace Path;
// returns a string which represents the object e.g. when printed in python
std::string VoronoiVertexPy::representation(void) const
{
std::stringstream ss;
ss.precision(5);
ss << "VoronoiVertex(";
VoronoiVertex *v = getVoronoiVertexPtr();
if (v->isBound()) {
Voronoi::diagram_type::vertex_type pt = v->dia->vertices()[v->index];
ss << "[" << pt.x() << ", " << pt.y() << "]";
}
ss << ")";
return ss.str();
}
PyObject *VoronoiVertexPy::PyMake(struct _typeobject *, PyObject *, PyObject *) // Python wrapper
{
// create a new instance of VoronoiVertexPy and the Twin object
return new VoronoiVertexPy(new VoronoiVertex);
}
// constructor method
int VoronoiVertexPy::PyInit(PyObject* args, PyObject* /*kwd*/)
{
if (!PyArg_ParseTuple(args, "")) {
PyErr_SetString(PyExc_RuntimeError, "no arguments accepted");
return -1;
}
return 0;
}
PyObject* VoronoiVertexPy::richCompare(PyObject *lhs, PyObject *rhs, int op) {
PyObject *cmp = Py_False;
if ( PyObject_TypeCheck(lhs, &VoronoiVertexPy::Type)
&& PyObject_TypeCheck(rhs, &VoronoiVertexPy::Type)
&& op == Py_EQ) {
const VoronoiVertex *vl = static_cast<VoronoiVertexPy*>(lhs)->getVoronoiVertexPtr();
const VoronoiVertex *vr = static_cast<VoronoiVertexPy*>(rhs)->getVoronoiVertexPtr();
if (vl->index == vr->index && &(*vl->dia) == &(*vr->dia)) {
cmp = Py_True;
}
}
Py_INCREF(cmp);
return cmp;
}
const Voronoi::voronoi_diagram_type::vertex_type* getVertexFromPy(VoronoiVertexPy *v, bool throwIfNotBound = true) {
auto self = v->getVoronoiVertexPtr();
if (self->isBound()) {
return &self->dia->vertices()[self->index];
}
if (throwIfNotBound) {
throw Py::TypeError("Vertex not bound to voronoi diagram");
}
return 0;
}
Py::Int VoronoiVertexPy::getColor(void) const {
VoronoiVertex *v = getVoronoiVertexPtr();
if (v->isBound()) {
return Py::Int(v->dia->vertices()[v->index].color());
}
return Py::Int(0);
}
void VoronoiVertexPy::setColor(Py::Int color) {
getVertexFromPy(this)->color(int(color) & 0x0FFFFFFF);
}
Py::Float VoronoiVertexPy::getX(void) const
{
VoronoiVertex *v = getVoronoiVertexPtr();
if (!v->isBound()) {
throw Py::FloatingPointError("Cannot get coordinates of unbound voronoi vertex");
}
return Py::Float(v->dia->vertices()[v->index].x());
}
Py::Float VoronoiVertexPy::getY(void) const
{
VoronoiVertex *v = getVoronoiVertexPtr();
if (!v->isBound()) {
throw Py::FloatingPointError("Cannot get coordinates of unbound voronoi vertex");
}
return Py::Float(v->dia->vertices()[v->index].y());
}
#if 0
Py::Object VoronoiVertexPy::getIncidentEdge() const {
Py_INCREF(Py_None);
return Py_None;
}
#endif
// custom attributes get/set
PyObject* VoronoiVertexPy::getCustomAttributes(const char* /*attr*/) const
{
return 0;
}
int VoronoiVertexPy::setCustomAttributes(const char* /*attr*/, PyObject* /*obj*/)
{
return 0;
}