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+ add to_wkb method for mapnik.Path object

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+ reflect byte order enum in Python : mapnik.wkbByteOrder.XDR|NDR
+ refactor boost_version to avoid duplicatiuon
This commit is contained in:
Artem Pavlenko 2012-01-05 11:56:38 +00:00
parent 884e83cda8
commit db9021b929
1 changed files with 41 additions and 11 deletions
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52
bindings/python/mapnik_geometry.cpp
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@ -82,10 +82,17 @@ boost::shared_ptr<path_type> from_wkb_impl(std::string const& wkb)
}
PyObject* to_wkb( geometry_type const& geom)
inline std::string boost_version()
{
std::ostringstream s;
s << BOOST_VERSION/100000 << "." << BOOST_VERSION/100 % 1000 << "." << BOOST_VERSION % 100;
return s.str();
}
PyObject* to_wkb( geometry_type const& geom, mapnik::util::wkbByteOrder byte_order)
{
#if BOOST_VERSION >= 104700
mapnik::util::wkb_buffer_ptr wkb = mapnik::util::to_wkb(geom,mapnik::util::wkbXDR);
mapnik::util::wkb_buffer_ptr wkb = mapnik::util::to_wkb(geom,byte_order);
return
#if PY_VERSION_HEX >= 0x03000000
::PyBytes_FromStringAndSize
@ -94,12 +101,30 @@ PyObject* to_wkb( geometry_type const& geom)
#endif
((const char*)wkb->buffer(),wkb->size());
#else
std::ostringstream s;
s << BOOST_VERSION/100000 << "." << BOOST_VERSION/100 % 1000 << "." << BOOST_VERSION % 100;
throw std::runtime_error("mapnik::to_wkb() requires at least boost 1.47 while your build was compiled against boost " + s.str());
throw std::runtime_error("mapnik::to_wkb() requires at least boost 1.47 while your build was compiled against boost "
+ boost_version());
#endif
}
PyObject* to_wkb2( path_type const& p, mapnik::util::wkbByteOrder byte_order)
{
#if BOOST_VERSION >= 104700
mapnik::util::wkb_buffer_ptr wkb = mapnik::util::to_wkb(p,byte_order);
return
#if PY_VERSION_HEX >= 0x03000000
::PyBytes_FromStringAndSize
#else
::PyString_FromStringAndSize
#endif
((const char*)wkb->buffer(),wkb->size());
#else
throw std::runtime_error("mapnik::to_wkb() requires at least boost 1.47 while your build was compiled against boost "
+ boost_version());
#endif
}
std::string to_wkt( geometry_type const& geom)
{
#if BOOST_VERSION >= 104700
@ -111,9 +136,8 @@ std::string to_wkt( geometry_type const& geom)
}
return wkt;
#else
std::ostringstream s;
s << BOOST_VERSION/100000 << "." << BOOST_VERSION/100 % 1000 << "." << BOOST_VERSION % 100;
throw std::runtime_error("mapnik::to_wkt() requires at least boost 1.47 while your build was compiled against boost " + s.str());
throw std::runtime_error("mapnik::to_wkt() requires at least boost 1.47 while your build was compiled against boost "
+ boost_version());
#endif
}
@ -128,9 +152,8 @@ std::string to_wkt2( path_type const& geom)
}
return wkt;
#else
std::ostringstream s;
s << BOOST_VERSION/100000 << "." << BOOST_VERSION/100 % 1000 << "." << BOOST_VERSION % 100;
throw std::runtime_error("mapnik::to_wkt() requires at least boost 1.47 while your build was compiled against boost " + s.str());
throw std::runtime_error("mapnik::to_wkt() requires at least boost 1.47 while your build was compiled against boost "
+ boost_version());
#endif
}
@ -145,6 +168,12 @@ void export_geometry()
.value("Polygon",mapnik::Polygon)
;
enum_<mapnik::util::wkbByteOrder>("wkbByteOrder")
.value("XDR",mapnik::util::wkbXDR)
.value("NDR",mapnik::util::wkbNDR)
;
using mapnik::geometry_type;
class_<geometry_type, std::auto_ptr<geometry_type>, boost::noncopyable>("Geometry2d",no_init)
.def("envelope",&geometry_type::envelope)
@ -161,6 +190,7 @@ void export_geometry()
.def("add_wkt",add_wkt_impl)
.def("add_wkb",add_wkb_impl)
.def("to_wkt",&to_wkt2)
.def("to_wkb",&to_wkb2)
.def("from_wkt",from_wkt_impl)
.def("from_wkb",from_wkb_impl)
.staticmethod("from_wkt")