/***************************************************************************** * * This file is part of Mapnik (c++ mapping toolkit) * * Copyright (C) 2012 Artem Pavlenko * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * *****************************************************************************/ //mapnik #include #include //boost #include namespace mapnik { bool text_placement_info_list::next() { if (state == 0) { properties = parent_->defaults; } else { if (state-1 >= parent_->list_.size()) return false; properties = parent_->list_[state-1]; } state++; return true; } text_symbolizer_properties & text_placements_list::add() { if (list_.size()) { text_symbolizer_properties &last = list_.back(); list_.push_back(last); //Preinitialize with old values } else { list_.push_back(defaults); } return list_.back(); } text_symbolizer_properties & text_placements_list::get(unsigned i) { return list_[i]; } /***************************************************************************/ text_placement_info_ptr text_placements_list::get_placement_info(double scale_factor) const { return text_placement_info_ptr( boost::make_shared(this, scale_factor)); } text_placements_list::text_placements_list() : text_placements(), list_(0) { } void text_placements_list::add_expressions(expression_set &output) { defaults.add_expressions(output); std::vector::const_iterator it; for (it=list_.begin(); it != list_.end(); it++) { it->add_expressions(output); } } unsigned text_placements_list::size() const { return list_.size(); } text_placements_ptr text_placements_list::from_xml(xml_node const &xml, fontset_map const & fontsets) { using boost::property_tree::ptree; text_placements_list *list = new text_placements_list; text_placements_ptr ptr = text_placements_ptr(list); list->defaults.from_xml(xml, fontsets); xml_node::const_iterator itr = xml.begin(); xml_node::const_iterator end = xml.end(); for( ;itr != end; ++itr) { if (itr->is_text() || itr->name() != "Placement") continue; text_symbolizer_properties &p = list->add(); p.from_xml(*itr, fontsets); //TODO: if (strict_ && // !p.format.fontset.size()) // ensure_font_face(p.format.face_name); } return ptr; } } //ns mapnik