121 lines
4.4 KiB
C++
121 lines
4.4 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) 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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// mapnik
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#include <mapnik/debug.hpp>
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#include <mapnik/feature.hpp>
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#include <mapnik/formatting/format.hpp>
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#include <mapnik/ptree_helpers.hpp>
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#include <mapnik/xml_node.hpp>
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// boost
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#include <boost/property_tree/ptree.hpp>
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namespace mapnik {
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namespace formatting {
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using boost::property_tree::ptree;
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void format_node::to_xml(ptree &xml) const
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{
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ptree &new_node = xml.push_back(ptree::value_type("Format", ptree()))->second;
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if (face_name) set_attr(new_node, "face-name", *face_name);
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if (text_size) set_attr(new_node, "size", *text_size);
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if (character_spacing) set_attr(new_node, "character-spacing", *character_spacing);
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if (line_spacing) set_attr(new_node, "line-spacing", *line_spacing);
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if (text_opacity) set_attr(new_node, "opacity", *text_opacity);
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if (wrap_before) set_attr(new_node, "wrap-before", *wrap_before);
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if (wrap_char) set_attr(new_node, "wrap-character", *wrap_char);
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if (text_transform) set_attr(new_node, "text-transform", *text_transform);
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if (fill) set_attr(new_node, "fill", *fill);
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if (halo_fill) set_attr(new_node, "halo-fill", *halo_fill);
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if (halo_radius) set_attr(new_node, "halo-radius", *halo_radius);
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if (child_) child_->to_xml(new_node);
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}
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node_ptr format_node::from_xml(xml_node const& xml)
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{
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format_node *n = new format_node();
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node_ptr np(n);
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node_ptr child = node::from_xml(xml);
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n->set_child(child);
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n->face_name = xml.get_opt_attr<std::string>("face-name");
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/*TODO: Fontset is problematic. We don't have the fontsets pointer here... */
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n->text_size = xml.get_opt_attr<double>("size");
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n->character_spacing = xml.get_opt_attr<double>("character-spacing");
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n->line_spacing = xml.get_opt_attr<double>("line-spacing");
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n->text_opacity = xml.get_opt_attr<double>("opacity");
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boost::optional<boolean> wrap = xml.get_opt_attr<boolean>("wrap-before");
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if (wrap) n->wrap_before = *wrap;
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n->wrap_char = xml.get_opt_attr<unsigned>("wrap-character");
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n->text_transform = xml.get_opt_attr<text_transform_e>("text-transform");
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n->fill = xml.get_opt_attr<color>("fill");
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n->halo_fill = xml.get_opt_attr<color>("halo-fill");
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n->halo_radius = xml.get_opt_attr<double>("halo-radius");
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return np;
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}
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void format_node::apply(char_properties const& p, const feature_impl &feature, processed_text &output) const
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{
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char_properties new_properties = p;
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if (face_name) new_properties.face_name = *face_name;
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if (text_size) new_properties.text_size = *text_size;
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if (character_spacing) new_properties.character_spacing = *character_spacing;
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if (line_spacing) new_properties.line_spacing = *line_spacing;
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if (text_opacity) new_properties.text_opacity = *text_opacity;
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if (wrap_before) new_properties.wrap_before = *wrap_before;
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if (wrap_char) new_properties.wrap_char = *wrap_char;
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if (text_transform) new_properties.text_transform = *text_transform;
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if (fill) new_properties.fill = *fill;
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if (halo_fill) new_properties.halo_fill = *halo_fill;
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if (halo_radius) new_properties.halo_radius = *halo_radius;
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if (child_) {
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child_->apply(new_properties, feature, output);
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} else {
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MAPNIK_LOG_WARN(format) << "Useless format: No text to format";
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}
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}
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void format_node::set_child(node_ptr child)
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{
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child_ = child;
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}
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node_ptr format_node::get_child() const
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{
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return child_;
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}
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void format_node::add_expressions(expression_set &output) const
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{
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if (child_) child_->add_expressions(output);
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}
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} //ns formatting
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} //ns mapnik
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