86 lines
2.5 KiB
C++
86 lines
2.5 KiB
C++
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/*****************************************************************************
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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) 2012 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/text_placements/list.hpp>
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namespace mapnik
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{
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bool text_placement_info_list::next()
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{
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if (state == 0) {
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properties = parent_->defaults;
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} else {
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if (state-1 >= parent_->list_.size()) return false;
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properties = parent_->list_[state-1];
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}
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state++;
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return true;
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}
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text_symbolizer_properties & text_placements_list::add()
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{
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if (list_.size()) {
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text_symbolizer_properties &last = list_.back();
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list_.push_back(last); //Preinitialize with old values
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} else {
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list_.push_back(defaults);
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}
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return list_.back();
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}
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text_symbolizer_properties & text_placements_list::get(unsigned i)
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{
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return list_[i];
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}
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/***************************************************************************/
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text_placement_info_ptr text_placements_list::get_placement_info(
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double scale_factor, dimension_type dim, bool has_dimensions) const
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{
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return text_placement_info_ptr(new text_placement_info_list(this,
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scale_factor, dim, has_dimensions));
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}
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text_placements_list::text_placements_list() : text_placements(), list_(0)
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{
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}
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void text_placements_list::add_expressions(expression_set &output)
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{
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defaults.add_expressions(output);
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std::vector<text_symbolizer_properties>::const_iterator it;
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for (it=list_.begin(); it != list_.end(); it++)
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{
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it->add_expressions(output);
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}
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}
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unsigned text_placements_list::size() const
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{
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return list_.size();
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}
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} //ns mapnik
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