Path: add option to use pybind11 instead of boost-python for libarea

This commit is contained in:
looooo
2017-07-22 17:17:48 +02:00
committed by wmayer
parent 6fd846ee22
commit e95897dad7
2 changed files with 392 additions and 20 deletions

View File

@@ -11,27 +11,33 @@ endif(MSVC)
include_directories(${PYTHON_INCLUDE_DIRS})
include_directories(${CMAKE_CURRENT_SOURCE_DIR})
if(NOT FREECAD_LIBPACK_USE OR FREECAD_LIBPACK_CHECKFILE_CLBUNDLER)
if(NOT PYTHON_VERSION_MAJOR LESS 3)
find_package( Boost COMPONENTS python3)
if (NOT Boost_PYTHON3_FOUND)
find_package( Boost COMPONENTS python REQUIRED)
OPTION(USE_BOOST_PYTHON "use BOOST_PYTHON, otherwise use PYBIND11" ON)
if(USE_BOOST_PYTHON)
if(NOT FREECAD_LIBPACK_USE OR FREECAD_LIBPACK_CHECKFILE_CLBUNDLER)
if(NOT PYTHON_VERSION_MAJOR LESS 3)
find_package( Boost COMPONENTS python3)
if (NOT Boost_PYTHON3_FOUND)
find_package( Boost COMPONENTS python REQUIRED)
endif()
else()
find_package( Boost COMPONENTS python REQUIRED) # find BOOST and boost-python
endif()
if(Boost_FOUND)
include_directories(${Boost_INCLUDE_DIRS})
MESSAGE(STATUS "found Boost: " ${Boost_LIB_VERSION})
MESSAGE(STATUS "boost-incude dirs are: " ${Boost_INCLUDE_DIRS})
MESSAGE(STATUS "boost-python lib is: " ${Boost_PYTHON_LIBRARY})
MESSAGE(STATUS "boost_LIBRARY_DIRS is: " ${Boost_LIBRARY_DIRS})
MESSAGE(STATUS "Boost_LIBRARIES is: " ${Boost_LIBRARIES})
endif()
else()
find_package( Boost COMPONENTS python REQUIRED) # find BOOST and boost-python
endif()
if(Boost_FOUND)
include_directories(${Boost_INCLUDE_DIRS})
MESSAGE(STATUS "found Boost: " ${Boost_LIB_VERSION})
MESSAGE(STATUS "boost-incude dirs are: " ${Boost_INCLUDE_DIRS})
MESSAGE(STATUS "boost-python lib is: " ${Boost_PYTHON_LIBRARY})
MESSAGE(STATUS "boost_LIBRARY_DIRS is: " ${Boost_LIBRARY_DIRS})
MESSAGE(STATUS "Boost_LIBRARIES is: " ${Boost_LIBRARIES})
endif()
else()
include_directories(${Boost_INCLUDE_DIRS})
endif()
endif(USE_BOOST_PYTHON)
# this defines the source-files for library
set(AREA_SRC_COMMON
@@ -56,9 +62,15 @@ set(AREA_SRC_CLIPPER
)
# this defines the additional source-files for python module (wrapper to libarea)
set(PYAREA_SRC
PythonStuff.cpp
)
if (USE_BOOST_PYTHON)
set(PYAREA_SRC
PythonStuff.cpp
)
else(USE_BOOST_PYTHON)
set(PYAREA_SRC
pyarea.cpp
)
endif(USE_BOOST_PYTHON)
# this defines the headers
if(DEFINED INCLUDE_INSTALL_DIR)

View File

@@ -0,0 +1,360 @@
// pyarea.cpp
// Copyright 2017, Lorenz Lechner
// This program is released under the BSD license. See the file COPYING for details.
#include "Area.h"
#include "Point.h"
#include "AreaDxf.h"
#include "kurve/geometry.h"
#include <pybind11/pybind11.h>
#include <pybind11/stl.h>
#include <pybind11/operators.h>
#include <vector>
namespace py = pybind11;
std::list<CVertex> getVertices(const CCurve& curve) {
return curve.m_vertices;
}
std::list<CCurve> getCurves(const CArea& area) {
return area.m_curves;
}
py::tuple transformed_point(const geoff_geometry::Matrix &matrix, double x, double y, double z)
{
geoff_geometry::Point3d p(x,y,z);
p = p.Transform(matrix);
return py::make_tuple(p.x,p.y,p.z);
}
static void print_curve(const CCurve& c)
{
std::size_t nvertices = c.m_vertices.size();
#if defined SIZEOF_SIZE_T && SIZEOF_SIZE_T == 4
printf("number of vertices = %d\n", nvertices);
#else
printf("number of vertices = %lu\n", nvertices);
#endif
int i = 0;
for(std::list<CVertex>::const_iterator It = c.m_vertices.begin(); It != c.m_vertices.end(); It++, i++)
{
const CVertex& vertex = *It;
printf("vertex %d type = %d, x = %g, y = %g", i+1, vertex.m_type, vertex.m_p.x / CArea::get_units(), vertex.m_p.y / CArea::get_units());
if(vertex.m_type)printf(", xc = %g, yc = %g", vertex.m_c.x / CArea::get_units(), vertex.m_c.y / CArea::get_units());
printf("\n");
}
}
static void print_area(const CArea &a)
{
for(std::list<CCurve>::const_iterator It = a.m_curves.begin(); It != a.m_curves.end(); It++)
{
const CCurve& curve = *It;
print_curve(curve);
}
}
static unsigned int num_vertices(const CCurve& curve)
{
return static_cast<unsigned int>(curve.m_vertices.size());
}
static CVertex FirstVertex(const CCurve& curve)
{
return curve.m_vertices.front();
}
static CVertex LastVertex(const CCurve& curve)
{
return curve.m_vertices.back();
}
static void set_units(double units)
{
CArea::set_units(units);
}
static double get_units()
{
return CArea::get_units();
}
static bool holes_linked()
{
return CArea::HolesLinked();
}
static CArea AreaFromDxf(const char* filepath)
{
CArea area;
AreaDxfRead dxf(&area, filepath);
dxf.DoRead();
return area;
}
static void append_point(CCurve& c, const Point& p)
{
c.m_vertices.push_back(CVertex(p));
}
static py::tuple nearest_point_to_curve(CCurve& c1, const CCurve& c2)
{
double dist;
Point p = c1.NearestPoint(c2, &dist);
return py::make_tuple(p, dist);
}
std::list<CCurve> MakePocketToolpath(const CArea& a, double tool_radius, double extra_offset, double stepover, bool from_center, bool use_zig_zag, double zig_angle)
{
std::list<CCurve> toolpath;
CAreaPocketParams params(tool_radius, extra_offset, stepover, from_center, use_zig_zag ? ZigZagPocketMode : SpiralPocketMode, zig_angle);
a.SplitAndMakePocketToolpath(toolpath, params);
return toolpath;
}
std::list<CArea> SplitArea(const CArea& a)
{
std::list<CArea> areas;
a.Split(areas);
return areas;
}
void dxfArea(CArea& area, const char* /*str*/)
{
area = CArea();
}
py::list getCurveSpans(const CCurve& c)
{
py::list span_list;
const Point *prev_p = NULL;
for(std::list<CVertex>::const_iterator VIt = c.m_vertices.begin(); VIt != c.m_vertices.end(); VIt++)
{
const CVertex& vertex = *VIt;
if(prev_p)
{
span_list.append(Span(*prev_p, vertex));
}
prev_p = &(vertex.m_p);
}
return span_list;
}
Span getFirstCurveSpan(const CCurve& c)
{
if(c.m_vertices.size() < 2)return Span();
std::list<CVertex>::const_iterator VIt = c.m_vertices.begin();
const Point &p = (*VIt).m_p;
VIt++;
return Span(p, *VIt, true);
}
Span getLastCurveSpan(const CCurve& c)
{
if(c.m_vertices.size() < 2)return Span();
std::list<CVertex>::const_reverse_iterator VIt = c.m_vertices.rbegin();
const CVertex &v = (*VIt);
VIt++;
return Span((*VIt).m_p, v, c.m_vertices.size() == 2);
}
py::tuple TangentialArc(const Point &p0, const Point &p1, const Point &v0)
{
Point c;
int dir;
tangential_arc(p0, p1, v0, c, dir);
return py::make_tuple(c, dir);
}
std::list<Point> spanIntersect(const Span& span1, const Span& span2) {
std::list<Point> pts;
span1.Intersect(span2, pts);
return pts;
}
void MatrixFromVector(geoff_geometry::Matrix& instance, std::vector<double> v){
double array[16];
int i = 0;
for (double vi: v){
array[i] = vi;
i++;
if(i>=16) break;
}
new (&instance) geoff_geometry::Matrix(array);
}
std::list<CCurve> InsideCurves(const CArea& a, const CCurve& curve) {
std::list<CCurve> curves_inside;
a.InsideCurves(curve, curves_inside);
return curves_inside;
}
std::list<Point> CurveIntersections(const CCurve& c1, const CCurve& c2) {
std::list<Point> pts;
c1.CurveIntersections(c2, pts);
return pts;
}
std::list<Point> AreaIntersections(const CArea& a, const CCurve& c2) {
std::list<Point> pts;
a.CurveIntersections(c2, pts);
return pts;
}
double AreaGetArea(const CArea& a)
{
return a.GetArea();
}
void init_pyarea(py::module &m){
py::class_<Point>(m, "Point")
.def(py::init<double, double>())
.def(py::init<Point>())
.def(float() * py::self)
.def(py::self * float())
.def(py::self / float())
.def(py::self * py::self)
.def(py::self - py::self)
.def(py::self + py::self)
.def(py::self ^ py::self)
.def(py::self == py::self)
.def(py::self != py::self)
.def(-py::self)
.def(~py::self)
.def("dist", &Point::dist)
.def("length", &Point::length)
.def("normalize", &Point::normalize)
.def("Rotate", static_cast< void (Point::*)(double, double) >(&Point::Rotate))
.def("Rotate", static_cast< void (Point::*)(double) >(&Point::Rotate))
.def_readwrite("x", &Point::x)
.def_readwrite("y", &Point::y)
.def("Transform", &Point::Transform)
;
py::class_<CVertex>(m, "Vertex")
.def(py::init<CVertex>())
.def(py::init<int, Point, Point>())
.def(py::init<Point>())
.def(py::init<int, Point, Point, int>())
.def_readwrite("type", &CVertex::m_type)
.def_readwrite("p", &CVertex::m_p)
.def_readwrite("c", &CVertex::m_c)
.def_readwrite("user_data", &CVertex::m_user_data)
;
py::class_<Span>(m, "Span")
.def(py::init<Span>())
.def(py::init<Point, CVertex, bool>())
.def("NearestPoint", static_cast< Point (Span::*)(const Point& p)const >(&Span::NearestPoint))
.def("NearestPoint", static_cast< Point (Span::*)(const Span& p, double *d)const >(&Span::NearestPoint))
.def("GetBox", &Span::GetBox)
.def("IncludedAngle", &Span::IncludedAngle)
.def("GetArea", &Span::GetArea)
.def("On", &Span::On)
.def("MidPerim", &Span::MidPerim)
.def("MidParam", &Span::MidParam)
.def("Length", &Span::Length)
.def("GetVector", &Span::GetVector)
.def("Intersect", &spanIntersect)
.def_readwrite("p", &Span::m_p)
.def_readwrite("v", &Span::m_v)
;
py::class_<CCurve>(m, "Curve")
.def(py::init<CCurve>())
.def("getVertices", &getVertices)
.def("append",&CCurve::append)
.def("append",&append_point)
.def("text", &print_curve)
.def("NearestPoint", static_cast< Point (CCurve::*)(const Point& p)const >(&CCurve::NearestPoint))
.def("NearestPoint", &nearest_point_to_curve)
.def("Reverse", &CCurve::Reverse)
.def("getNumVertices", &num_vertices)
.def("FirstVertex", &FirstVertex)
.def("LastVertex", &LastVertex)
.def("GetArea", &CCurve::GetArea)
.def("IsClockwise", &CCurve::IsClockwise)
.def("IsClosed", &CCurve::IsClosed)
.def("ChangeStart",&CCurve::ChangeStart)
.def("ChangeEnd",&CCurve::ChangeEnd)
.def("Offset",&CCurve::Offset)
.def("OffsetForward",&CCurve::OffsetForward)
.def("GetSpans",&getCurveSpans)
.def("GetFirstSpan",&getFirstCurveSpan)
.def("GetLastSpan",&getLastCurveSpan)
.def("Break",&CCurve::Break)
.def("Perim",&CCurve::Perim)
.def("PerimToPoint",&CCurve::PerimToPoint)
.def("PointToPerim",&CCurve::PointToPerim)
.def("FitArcs",&CCurve::FitArcs)
.def("UnFitArcs",&CCurve::UnFitArcs)
.def("Intersections",&CurveIntersections)
;
py::class_<CBox2D>(m, "Box")
.def(py::init<CBox2D>())
.def("MinX", &CBox2D::MinX)
.def("MaxX", &CBox2D::MaxX)
.def("MinY", &CBox2D::MinY)
.def("MaxY", &CBox2D::MaxY)
;
py::class_<CArea>(m, "Area")
.def(py::init<CArea>())
.def("getCurves", &getCurves)
.def("append",&CArea::append)
.def("Subtract",&CArea::Subtract)
.def("Intersect",&CArea::Intersect)
.def("Union",&CArea::Union)
.def("Offset",&CArea::Offset)
.def("FitArcs",&CArea::FitArcs)
.def("text", &print_area)
.def("num_curves", &CArea::num_curves)
.def("NearestPoint", &CArea::NearestPoint)
.def("GetBox", &CArea::GetBox)
.def("Reorder", &CArea::Reorder)
.def("MakePocketToolpath", &MakePocketToolpath)
.def("Split", &SplitArea)
.def("InsideCurves", &InsideCurves)
.def("Thicken", &CArea::Thicken)
.def("Intersections",&AreaIntersections)
.def("GetArea",&AreaGetArea)
;
py::class_<geoff_geometry::Matrix, std::shared_ptr<geoff_geometry::Matrix> > (m, "Matrix")
.def(py::init<geoff_geometry::Matrix>())
.def("__init__", &MatrixFromVector)
.def("TransformedPoint", &transformed_point)
.def("Multiply", &geoff_geometry::Matrix::Multiply)
;
m.def("set_units", set_units);
m.def("get_units", get_units);
m.def("holes_linked", holes_linked);
m.def("AreaFromDxf", AreaFromDxf);
m.def("TangentialArc", TangentialArc);
}
PYBIND11_PLUGIN(area){
py::module m("area");
init_pyarea(m);
return m.ptr();
};