106 lines
4.2 KiB
C++
106 lines
4.2 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) 2006 Artem Pavlenko, Jean-Francois Doyon
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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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// boost
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#include <boost/python.hpp>
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#include <boost/python/suite/indexing/vector_indexing_suite.hpp>
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// mapnik
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#include <mapnik/value_error.hpp>
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#include "mapnik_enumeration.hpp"
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#include <mapnik/feature_type_style.hpp>
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#include <mapnik/image_filter_grammar.hpp> // image_filter_grammar
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#include <mapnik/image_filter_types.hpp> // generate_image_filters
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using mapnik::feature_type_style;
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using mapnik::rules;
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using mapnik::rule;
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std::string get_image_filters(feature_type_style & style)
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{
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std::string filters_str;
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std::back_insert_iterator<std::string> sink(filters_str);
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generate_image_filters(sink, style.image_filters());
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return filters_str;
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}
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void set_image_filters(feature_type_style & style, std::string const& filters)
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{
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std::string::const_iterator itr = filters.begin();
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std::string::const_iterator end = filters.end();
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mapnik::image_filter_grammar<std::string::const_iterator,
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std::vector<mapnik::filter::filter_type> > filter_grammar;
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bool result = boost::spirit::qi::phrase_parse(itr,end,
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filter_grammar,
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boost::spirit::qi::ascii::space,
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style.image_filters());
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if (!result || itr!=end)
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{
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throw mapnik::value_error("failed to parse image-filters: '" + std::string(itr,end) + "'");
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}
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}
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void export_style()
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{
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using namespace boost::python;
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mapnik::enumeration_<mapnik::filter_mode_e>("filter_mode")
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.value("ALL",mapnik::FILTER_ALL)
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.value("FIRST",mapnik::FILTER_FIRST)
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;
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class_<rules>("Rules",init<>("default ctor"))
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.def(vector_indexing_suite<rules>())
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;
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class_<feature_type_style>("Style",init<>("default style constructor"))
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.add_property("rules",make_function
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(&feature_type_style::get_rules,
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return_value_policy<reference_existing_object>()),
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"List of rules belonging to a style as rule objects.\n"
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"\n"
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"Usage:\n"
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">>> for r in m.find_style('style 1').rules:\n"
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">>> print r\n"
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"<mapnik._mapnik.Rule object at 0x100549910>\n"
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"<mapnik._mapnik.Rule object at 0x100549980>\n"
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)
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.add_property("filter_mode",
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&feature_type_style::get_filter_mode,
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&feature_type_style::set_filter_mode,
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"Set/get the filter mode of the style")
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.add_property("opacity",
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&feature_type_style::get_opacity,
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&feature_type_style::set_opacity,
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"Set/get the opacity of the style")
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.add_property("comp_op",
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&feature_type_style::comp_op,
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&feature_type_style::set_comp_op,
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"Set/get the comp-op (composite operation) of the style")
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.add_property("image_filters",
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get_image_filters,
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set_image_filters,
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"Set/get the comp-op (composite operation) of the style")
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;
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}
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