423 lines
14 KiB
C++
423 lines
14 KiB
C++
/*****************************************************************************
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*
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* This file is part of Mapnik (c++ mapping toolkit)
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*
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* Copyright (C) 2014 Artem Pavlenko
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*****************************************************************************/
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#include <mapnik/config.hpp>
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// boost
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#include "boost_std_shared_shim.hpp"
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wunused-parameter"
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#pragma GCC diagnostic ignored "-Wunused-local-typedef"
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#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
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#include <boost/python.hpp>
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#include <boost/python/suite/indexing/map_indexing_suite.hpp>
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#pragma GCC diagnostic pop
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// mapnik
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#include <mapnik/symbolizer.hpp>
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#include <mapnik/symbolizer_hash.hpp>
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#include <mapnik/symbolizer_utils.hpp>
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#include <mapnik/symbolizer_keys.hpp>
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#include <mapnik/image_util.hpp>
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#include <mapnik/parse_path.hpp>
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#include <mapnik/path_expression.hpp>
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#include "mapnik_enumeration.hpp"
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#include "mapnik_svg.hpp"
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#include <mapnik/graphics.hpp>
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#include <mapnik/expression_node.hpp>
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#include <mapnik/value_error.hpp>
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#include <mapnik/marker_cache.hpp> // for known_svg_prefix_
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#include <mapnik/group/group_layout.hpp>
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#include <mapnik/group/group_rule.hpp>
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#include <mapnik/group/group_symbolizer_properties.hpp>
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#include <mapnik/util/variant.hpp>
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// stl
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#include <sstream>
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using mapnik::symbolizer;
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using mapnik::point_symbolizer;
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using mapnik::line_symbolizer;
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using mapnik::line_pattern_symbolizer;
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using mapnik::polygon_symbolizer;
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using mapnik::polygon_pattern_symbolizer;
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using mapnik::raster_symbolizer;
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using mapnik::shield_symbolizer;
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using mapnik::text_symbolizer;
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using mapnik::building_symbolizer;
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using mapnik::markers_symbolizer;
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using mapnik::debug_symbolizer;
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using mapnik::group_symbolizer;
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using mapnik::symbolizer_base;
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using mapnik::color;
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using mapnik::path_processor_type;
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using mapnik::path_expression_ptr;
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using mapnik::guess_type;
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using mapnik::expression_ptr;
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using mapnik::parse_path;
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namespace {
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using namespace boost::python;
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void __setitem__(mapnik::symbolizer_base & sym, std::string const& name, mapnik::symbolizer_base::value_type const& val)
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{
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put(sym, mapnik::get_key(name), val);
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}
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std::shared_ptr<mapnik::symbolizer_base::value_type> numeric_wrapper(const object& arg)
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{
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std::shared_ptr<mapnik::symbolizer_base::value_type> result;
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if (PyBool_Check(arg.ptr()))
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{
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mapnik::value_bool val = extract<mapnik::value_bool>(arg);
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result.reset(new mapnik::symbolizer_base::value_type(val));
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}
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else if (PyFloat_Check(arg.ptr()))
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{
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mapnik::value_double val = extract<mapnik::value_double>(arg);
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result.reset(new mapnik::symbolizer_base::value_type(val));
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}
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else
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{
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mapnik::value_integer val = extract<mapnik::value_integer>(arg);
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result.reset(new mapnik::symbolizer_base::value_type(val));
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}
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return result;
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}
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struct extract_python_object
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{
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using result_type = boost::python::object;
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template <typename T>
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auto operator() (T const& val) const -> result_type
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{
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return result_type(val); // wrap into python object
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}
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};
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boost::python::object __getitem__(mapnik::symbolizer_base const& sym, std::string const& name)
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{
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using const_iterator = symbolizer_base::cont_type::const_iterator;
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mapnik::keys key = mapnik::get_key(name);
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const_iterator itr = sym.properties.find(key);
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if (itr != sym.properties.end())
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{
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return mapnik::util::apply_visitor(extract_python_object(), itr->second);
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}
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//mapnik::property_meta_type const& meta = mapnik::get_meta(key);
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//return mapnik::util::apply_visitor(extract_python_object(), std::get<1>(meta));
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return boost::python::object();
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}
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/*
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std::string __str__(mapnik::symbolizer const& sym)
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{
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return mapnik::util::apply_visitor(mapnik::symbolizer_to_json(), sym);
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}
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*/
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std::string get_symbolizer_type(symbolizer const& sym)
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{
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return mapnik::symbolizer_name(sym); // FIXME - do we need this ?
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}
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std::size_t hash_impl(symbolizer const& sym)
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{
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return mapnik::util::apply_visitor(mapnik::symbolizer_hash_visitor(), sym);
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}
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template <typename T>
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std::size_t hash_impl_2(T const& sym)
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{
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return mapnik::symbolizer_hash::value<T>(sym);
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}
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struct extract_underlying_type_visitor
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{
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template <typename T>
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boost::python::object operator() (T const& sym) const
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{
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return boost::python::object(sym);
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}
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};
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boost::python::object extract_underlying_type(symbolizer const& sym)
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{
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return mapnik::util::apply_visitor(extract_underlying_type_visitor(), sym);
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}
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}
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void export_symbolizer()
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{
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using namespace boost::python;
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//implicitly_convertible<mapnik::value_bool, mapnik::symbolizer_base::value_type>();
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implicitly_convertible<mapnik::value_integer, mapnik::symbolizer_base::value_type>();
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implicitly_convertible<mapnik::value_double, mapnik::symbolizer_base::value_type>();
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implicitly_convertible<std::string, mapnik::symbolizer_base::value_type>();
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implicitly_convertible<mapnik::color, mapnik::symbolizer_base::value_type>();
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implicitly_convertible<mapnik::expression_ptr, mapnik::symbolizer_base::value_type>();
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implicitly_convertible<mapnik::enumeration_wrapper, mapnik::symbolizer_base::value_type>();
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implicitly_convertible<std::shared_ptr<mapnik::group_symbolizer_properties>, mapnik::symbolizer_base::value_type>();
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enum_<mapnik::keys>("keys")
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.value("gamma", mapnik::keys::gamma)
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.value("gamma_method",mapnik::keys::gamma_method)
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;
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class_<symbolizer>("Symbolizer",no_init)
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.def("type",get_symbolizer_type)
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.def("__hash__",hash_impl)
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.def("extract", extract_underlying_type)
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;
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class_<symbolizer_base::value_type>("NumericWrapper")
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.def("__init__", make_constructor(numeric_wrapper))
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;
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class_<symbolizer_base>("SymbolizerBase",no_init)
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.def("__setitem__",&__setitem__)
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.def("__setattr__",&__setitem__)
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.def("__getitem__",&__getitem__)
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.def("__getattr__",&__getitem__)
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//.def("__str__", &__str__)
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.def(self == self) // __eq__
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;
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}
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void export_shield_symbolizer()
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{
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using namespace boost::python;
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class_< shield_symbolizer, bases<text_symbolizer> >("ShieldSymbolizer",
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init<>("Default ctor"))
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.def("__hash__",hash_impl_2<shield_symbolizer>)
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;
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}
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void export_polygon_symbolizer()
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{
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using namespace boost::python;
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class_<polygon_symbolizer, bases<symbolizer_base> >("PolygonSymbolizer",
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init<>("Default ctor"))
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.def("__hash__",hash_impl_2<polygon_symbolizer>)
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;
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}
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void export_polygon_pattern_symbolizer()
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{
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using namespace boost::python;
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mapnik::enumeration_<mapnik::pattern_alignment_e>("pattern_alignment")
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.value("LOCAL",mapnik::LOCAL_ALIGNMENT)
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.value("GLOBAL",mapnik::GLOBAL_ALIGNMENT)
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;
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class_<polygon_pattern_symbolizer>("PolygonPatternSymbolizer",
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init<>("Default ctor"))
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.def("__hash__",hash_impl_2<polygon_pattern_symbolizer>)
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;
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}
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void export_raster_symbolizer()
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{
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using namespace boost::python;
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class_<raster_symbolizer, bases<symbolizer_base> >("RasterSymbolizer",
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init<>("Default ctor"))
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;
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}
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void export_point_symbolizer()
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{
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using namespace boost::python;
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mapnik::enumeration_<mapnik::point_placement_e>("point_placement")
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.value("CENTROID",mapnik::CENTROID_POINT_PLACEMENT)
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.value("INTERIOR",mapnik::INTERIOR_POINT_PLACEMENT)
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;
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class_<point_symbolizer, bases<symbolizer_base> >("PointSymbolizer",
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init<>("Default Point Symbolizer - 4x4 black square"))
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.def("__hash__",hash_impl_2<point_symbolizer>)
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;
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}
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void export_markers_symbolizer()
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{
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using namespace boost::python;
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mapnik::enumeration_<mapnik::marker_placement_e>("marker_placement")
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.value("POINT_PLACEMENT",mapnik::MARKER_POINT_PLACEMENT)
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.value("INTERIOR_PLACEMENT",mapnik::MARKER_INTERIOR_PLACEMENT)
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.value("LINE_PLACEMENT",mapnik::MARKER_LINE_PLACEMENT)
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;
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mapnik::enumeration_<mapnik::marker_multi_policy_e>("marker_multi_policy")
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.value("EACH",mapnik::MARKER_EACH_MULTI)
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.value("WHOLE",mapnik::MARKER_WHOLE_MULTI)
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.value("LARGEST",mapnik::MARKER_LARGEST_MULTI)
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;
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class_<markers_symbolizer, bases<symbolizer_base> >("MarkersSymbolizer",
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init<>("Default Markers Symbolizer - circle"))
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.def("__hash__",hash_impl_2<markers_symbolizer>)
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;
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}
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void export_line_symbolizer()
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{
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using namespace boost::python;
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mapnik::enumeration_<mapnik::line_rasterizer_e>("line_rasterizer")
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.value("FULL",mapnik::RASTERIZER_FULL)
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.value("FAST",mapnik::RASTERIZER_FAST)
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;
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mapnik::enumeration_<mapnik::line_cap_e>("stroke_linecap",
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"The possible values for a line cap used when drawing\n"
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"with a stroke.\n")
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.value("BUTT_CAP",mapnik::BUTT_CAP)
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.value("SQUARE_CAP",mapnik::SQUARE_CAP)
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.value("ROUND_CAP",mapnik::ROUND_CAP)
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;
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mapnik::enumeration_<mapnik::line_join_e>("stroke_linejoin",
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"The possible values for the line joining mode\n"
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"when drawing with a stroke.\n")
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.value("MITER_JOIN",mapnik::MITER_JOIN)
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.value("MITER_REVERT_JOIN",mapnik::MITER_REVERT_JOIN)
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.value("ROUND_JOIN",mapnik::ROUND_JOIN)
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.value("BEVEL_JOIN",mapnik::BEVEL_JOIN)
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;
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class_<line_symbolizer, bases<symbolizer_base> >("LineSymbolizer",
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init<>("Default LineSymbolizer - 1px solid black"))
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.def("__hash__",hash_impl_2<line_symbolizer>)
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;
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}
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void export_line_pattern_symbolizer()
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{
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using namespace boost::python;
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class_<line_pattern_symbolizer, bases<symbolizer_base> >("LinePatternSymbolizer",
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init<> ("Default LinePatternSymbolizer"))
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.def("__hash__",hash_impl_2<line_pattern_symbolizer>)
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;
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}
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void export_debug_symbolizer()
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{
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using namespace boost::python;
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mapnik::enumeration_<mapnik::debug_symbolizer_mode_e>("debug_symbolizer_mode")
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.value("COLLISION",mapnik::DEBUG_SYM_MODE_COLLISION)
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.value("VERTEX",mapnik::DEBUG_SYM_MODE_VERTEX)
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;
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class_<debug_symbolizer, bases<symbolizer_base> >("DebugSymbolizer",
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init<>("Default debug Symbolizer"))
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.def("__hash__",hash_impl_2<debug_symbolizer>)
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;
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}
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void export_building_symbolizer()
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{
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using namespace boost::python;
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class_<building_symbolizer, bases<symbolizer_base> >("BuildingSymbolizer",
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init<>("Default BuildingSymbolizer"))
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.def("__hash__",hash_impl_2<building_symbolizer>)
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;
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}
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namespace {
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void group_symbolizer_properties_set_layout_simple(mapnik::group_symbolizer_properties &p,
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mapnik::simple_row_layout &s)
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{
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p.set_layout(s);
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}
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void group_symbolizer_properties_set_layout_pair(mapnik::group_symbolizer_properties &p,
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mapnik::pair_layout &s)
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{
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p.set_layout(s);
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}
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std::shared_ptr<mapnik::group_rule> group_rule_construct1(mapnik::expression_ptr p)
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{
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return std::make_shared<mapnik::group_rule>(p, mapnik::expression_ptr());
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}
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} // anonymous namespace
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void export_group_symbolizer()
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{
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using namespace boost::python;
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using mapnik::group_rule;
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using mapnik::simple_row_layout;
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using mapnik::pair_layout;
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using mapnik::group_symbolizer_properties;
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class_<group_rule, std::shared_ptr<group_rule> >("GroupRule",
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init<expression_ptr, expression_ptr>())
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.def("__init__", boost::python::make_constructor(group_rule_construct1))
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.def("append", &group_rule::append)
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.def("set_filter", &group_rule::set_filter)
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.def("set_repeat_key", &group_rule::set_repeat_key)
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;
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class_<simple_row_layout>("SimpleRowLayout")
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.def("item_margin", &simple_row_layout::get_item_margin)
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.def("set_item_margin", &simple_row_layout::set_item_margin)
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;
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class_<pair_layout>("PairLayout")
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.def("item_margin", &simple_row_layout::get_item_margin)
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.def("set_item_margin", &simple_row_layout::set_item_margin)
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.def("max_difference", &pair_layout::get_max_difference)
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.def("set_max_difference", &pair_layout::set_max_difference)
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;
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class_<group_symbolizer_properties, std::shared_ptr<group_symbolizer_properties> >("GroupSymbolizerProperties")
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.def("add_rule", &group_symbolizer_properties::add_rule)
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.def("set_layout", &group_symbolizer_properties_set_layout_simple)
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.def("set_layout", &group_symbolizer_properties_set_layout_pair)
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;
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class_<group_symbolizer, bases<symbolizer_base> >("GroupSymbolizer",
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init<>("Default GroupSymbolizer"))
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.def("__hash__",hash_impl_2<group_symbolizer>)
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;
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}
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