421 lines
22 KiB
C++
421 lines
22 KiB
C++
/*****************************************************************************
|
|
*
|
|
* This file is part of Mapnik (c++ mapping toolkit)
|
|
*
|
|
* Copyright (C) 2013 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 <mapnik/text/text_properties.hpp>
|
|
#include <mapnik/text/text_layout.hpp>
|
|
#include <mapnik/debug.hpp>
|
|
#include <mapnik/feature.hpp>
|
|
#include <mapnik/symbolizer.hpp>
|
|
#include <mapnik/ptree_helpers.hpp>
|
|
#include <mapnik/expression_string.hpp>
|
|
#include <mapnik/text/formatting/text.hpp>
|
|
#include <mapnik/xml_node.hpp>
|
|
#include <mapnik/config_error.hpp>
|
|
#include <mapnik/text/properties_util.hpp>
|
|
#include <mapnik/boolean.hpp>
|
|
|
|
// boost
|
|
#include <boost/property_tree/ptree.hpp>
|
|
|
|
namespace mapnik
|
|
{
|
|
using boost::optional;
|
|
|
|
text_symbolizer_properties::text_symbolizer_properties()
|
|
: label_placement(POINT_PLACEMENT),
|
|
label_spacing(0.0),
|
|
label_position_tolerance(0.0),
|
|
avoid_edges(false),
|
|
margin(0.0),
|
|
repeat_distance(0.0),
|
|
minimum_distance(0.0),
|
|
minimum_padding(0.0),
|
|
minimum_path_length(0.0),
|
|
max_char_angle_delta(22.5 * M_PI/180.0),
|
|
allow_overlap(false),
|
|
largest_bbox_only(true),
|
|
upright(UPRIGHT_AUTO),
|
|
layout_defaults(),
|
|
format_defaults(),
|
|
tree_() {}
|
|
|
|
|
|
void text_symbolizer_properties::evaluate_text_properties(feature_impl const& feature, attributes const& attrs)
|
|
{
|
|
label_placement = util::apply_visitor(extract_value<label_placement_enum>(feature,attrs), expressions.label_placement);
|
|
label_spacing = util::apply_visitor(extract_value<value_double>(feature,attrs), expressions.label_spacing);
|
|
label_position_tolerance = util::apply_visitor(extract_value<value_double>(feature,attrs), expressions.label_position_tolerance);
|
|
avoid_edges = util::apply_visitor(extract_value<value_bool>(feature,attrs), expressions.avoid_edges);
|
|
margin = util::apply_visitor(extract_value<value_double>(feature,attrs), expressions.margin);
|
|
repeat_distance = util::apply_visitor(extract_value<value_double>(feature,attrs), expressions.repeat_distance);
|
|
minimum_distance = util::apply_visitor(extract_value<value_double>(feature,attrs), expressions.minimum_distance);
|
|
minimum_padding = util::apply_visitor(extract_value<value_double>(feature,attrs), expressions.minimum_padding);
|
|
minimum_path_length = util::apply_visitor(extract_value<value_double>(feature,attrs), expressions.minimum_path_length);
|
|
max_char_angle_delta = util::apply_visitor(extract_value<value_double>(feature,attrs), expressions.max_char_angle_delta) * M_PI/180;
|
|
allow_overlap = util::apply_visitor(extract_value<value_bool>(feature,attrs), expressions.allow_overlap);
|
|
largest_bbox_only = util::apply_visitor(extract_value<value_bool>(feature,attrs), expressions.largest_bbox_only);
|
|
upright = util::apply_visitor(extract_value<text_upright_enum>(feature,attrs), expressions.upright);
|
|
}
|
|
|
|
void text_symbolizer_properties::process(text_layout & output, feature_impl const& feature, attributes const& attrs) //const
|
|
{
|
|
output.clear();
|
|
|
|
if (tree_)
|
|
{
|
|
evaluate_text_properties(feature, attrs);
|
|
//evaluate format properties
|
|
evaluated_format_properties_ptr format = std::make_shared<detail::evaluated_format_properties>();
|
|
|
|
format->text_size = util::apply_visitor(extract_value<value_double>(feature,attrs), format_defaults.text_size);
|
|
format->character_spacing = util::apply_visitor(extract_value<value_double>(feature,attrs), format_defaults.character_spacing);
|
|
format->line_spacing = util::apply_visitor(extract_value<value_double>(feature,attrs), format_defaults.line_spacing);
|
|
format->text_opacity = util::apply_visitor(extract_value<value_double>(feature,attrs), format_defaults.text_opacity);
|
|
format->halo_opacity = util::apply_visitor(extract_value<value_double>(feature,attrs), format_defaults.halo_opacity);
|
|
format->halo_radius = util::apply_visitor(extract_value<value_double>(feature,attrs), format_defaults.halo_radius);
|
|
format->fill = util::apply_visitor(extract_value<color>(feature,attrs), format_defaults.fill);
|
|
format->halo_fill = util::apply_visitor(extract_value<color>(feature,attrs), format_defaults.halo_fill);
|
|
format->text_transform = util::apply_visitor(extract_value<text_transform_enum>(feature,attrs), format_defaults.text_transform);
|
|
format->face_name = format_defaults.face_name;
|
|
format->fontset = format_defaults.fontset;
|
|
|
|
format->font_feature_settings = util::apply_visitor(extract_value<font_feature_settings_ptr>(feature,attrs), format_defaults.font_feature_settings);
|
|
// Turn off ligatures if character_spacing > 0.
|
|
if (format->character_spacing > .0 && format->font_feature_settings->count() == 0)
|
|
{
|
|
format->font_feature_settings->append(font_feature_liga_off);
|
|
}
|
|
|
|
tree_->apply(format, feature, attrs, output);
|
|
}
|
|
else MAPNIK_LOG_WARN(text_properties) << "text_symbolizer_properties can't produce text: No formatting tree!";
|
|
}
|
|
|
|
void text_symbolizer_properties::set_format_tree(formatting::node_ptr tree)
|
|
{
|
|
tree_ = tree;
|
|
}
|
|
|
|
formatting::node_ptr text_symbolizer_properties::format_tree() const
|
|
{
|
|
return tree_;
|
|
}
|
|
|
|
void text_symbolizer_properties::text_properties_from_xml(xml_node const& node)
|
|
{
|
|
// The options 'margin' and 'repeat-distance' replace 'minimum-distance'.
|
|
// Only allow one or the other to be defined here.
|
|
if (node.has_attribute("margin") || node.has_attribute("repeat-distance"))
|
|
{
|
|
if (node.has_attribute("minimum-distance"))
|
|
{
|
|
throw config_error(std::string("Cannot use deprecated option minimum-distance with "
|
|
"new options margin and repeat-distance."));
|
|
}
|
|
set_property_from_xml<value_double>(expressions.margin, "margin", node);
|
|
set_property_from_xml<value_double>(expressions.repeat_distance, "repeat-distance", node);
|
|
}
|
|
else
|
|
{
|
|
set_property_from_xml<value_double>(expressions.minimum_distance, "minimum-distance", node);
|
|
}
|
|
set_property_from_xml<label_placement_e>(expressions.label_placement, "placement", node);
|
|
set_property_from_xml<value_double>(expressions.label_spacing, "spacing", node);
|
|
set_property_from_xml<value_double>(expressions.label_position_tolerance, "label-position-tolerance", node);
|
|
set_property_from_xml<value_double>(expressions.minimum_padding, "minimum-padding", node);
|
|
set_property_from_xml<value_double>(expressions.minimum_path_length, "minimum-path-length", node);
|
|
set_property_from_xml<boolean_type>(expressions.avoid_edges, "avoid-edges", node);
|
|
set_property_from_xml<boolean_type>(expressions.allow_overlap, "allow-overlap", node);
|
|
set_property_from_xml<boolean_type>(expressions.largest_bbox_only, "largest-bbox-only", node);
|
|
set_property_from_xml<value_double>(expressions.max_char_angle_delta, "max-char-angle-delta", node);
|
|
set_property_from_xml<text_upright_e>(expressions.upright, "upright", node);
|
|
}
|
|
|
|
void text_symbolizer_properties::from_xml(xml_node const& node, fontset_map const& fontsets, bool is_shield)
|
|
{
|
|
text_properties_from_xml(node);
|
|
layout_defaults.from_xml(node,fontsets);
|
|
optional<expression_ptr> name_ = node.get_opt_attr<expression_ptr>("name");
|
|
if (name_)
|
|
{
|
|
MAPNIK_LOG_WARN(text_placements) << "Using 'name' in TextSymbolizer/ShieldSymbolizer is deprecated!";
|
|
set_old_style_expression(*name_);
|
|
}
|
|
|
|
format_defaults.from_xml(node, fontsets, is_shield);
|
|
formatting::node_ptr n(formatting::node::from_xml(node,fontsets));
|
|
if (n) set_format_tree(n);
|
|
}
|
|
|
|
void text_symbolizer_properties::to_xml(boost::property_tree::ptree &node,
|
|
bool explicit_defaults,
|
|
text_symbolizer_properties const& dfl) const
|
|
{
|
|
if (!(expressions.label_placement == dfl.expressions.label_placement) || explicit_defaults)
|
|
{
|
|
serialize_property("placement", expressions.label_placement, node);
|
|
}
|
|
if (!(expressions.label_position_tolerance == dfl.expressions.label_position_tolerance) || explicit_defaults)
|
|
{
|
|
serialize_property("label-position-tolerance", expressions.label_position_tolerance,node);
|
|
}
|
|
if (!(expressions.label_spacing == dfl.expressions.label_spacing) || explicit_defaults)
|
|
{
|
|
serialize_property("spacing", expressions.label_spacing, node);
|
|
}
|
|
if (!(expressions.margin == dfl.expressions.margin) || explicit_defaults)
|
|
{
|
|
serialize_property("margin", expressions.margin, node);
|
|
}
|
|
if (!(expressions.repeat_distance == dfl.expressions.repeat_distance) || explicit_defaults)
|
|
{
|
|
serialize_property("repeat-distance", expressions.repeat_distance, node);
|
|
}
|
|
if (!(expressions.minimum_distance == dfl.expressions.minimum_distance) || explicit_defaults)
|
|
{
|
|
serialize_property("minimum-distance", expressions.minimum_distance, node);
|
|
}
|
|
if (!(expressions.minimum_padding == dfl.expressions.minimum_padding) || explicit_defaults)
|
|
{
|
|
serialize_property("minimum-padding", expressions.minimum_padding, node);
|
|
}
|
|
if (!(expressions.minimum_path_length == dfl.expressions.minimum_path_length) || explicit_defaults)
|
|
{
|
|
serialize_property("minimum-path-length", expressions.minimum_path_length, node);
|
|
}
|
|
if (!(expressions.avoid_edges == dfl.expressions.avoid_edges) || explicit_defaults)
|
|
{
|
|
serialize_property("avoid-edges", expressions.avoid_edges, node);
|
|
}
|
|
if (!(expressions.allow_overlap == dfl.expressions.allow_overlap) || explicit_defaults)
|
|
{
|
|
serialize_property("allow-overlap", expressions.allow_overlap, node);
|
|
}
|
|
if (!(expressions.largest_bbox_only == dfl.expressions.largest_bbox_only) || explicit_defaults)
|
|
{
|
|
serialize_property("largest-bbox-only", expressions.largest_bbox_only, node);
|
|
}
|
|
if (!(expressions.max_char_angle_delta == dfl.expressions.max_char_angle_delta) || explicit_defaults)
|
|
{
|
|
serialize_property("max-char-angle-delta", expressions.max_char_angle_delta, node);
|
|
}
|
|
if (!(expressions.upright == dfl.expressions.upright) || explicit_defaults)
|
|
{
|
|
serialize_property("upright", expressions.upright, node);
|
|
}
|
|
|
|
layout_defaults.to_xml(node, explicit_defaults, dfl.layout_defaults);
|
|
format_defaults.to_xml(node, explicit_defaults, dfl.format_defaults);
|
|
if (tree_) tree_->to_xml(node);
|
|
}
|
|
|
|
|
|
void text_symbolizer_properties::add_expressions(expression_set & output) const
|
|
{
|
|
if (is_expression(expressions.label_placement)) output.insert(util::get<expression_ptr>(expressions.label_placement));
|
|
if (is_expression(expressions.label_spacing)) output.insert(util::get<expression_ptr>(expressions.label_spacing));
|
|
if (is_expression(expressions.label_position_tolerance)) output.insert(util::get<expression_ptr>(expressions.label_position_tolerance));
|
|
if (is_expression(expressions.avoid_edges)) output.insert(util::get<expression_ptr>(expressions.avoid_edges));
|
|
if (is_expression(expressions.margin)) output.insert(util::get<expression_ptr>(expressions.margin));
|
|
if (is_expression(expressions.repeat_distance)) output.insert(util::get<expression_ptr>(expressions.repeat_distance));
|
|
if (is_expression(expressions.minimum_distance)) output.insert(util::get<expression_ptr>(expressions.minimum_distance));
|
|
if (is_expression(expressions.minimum_padding)) output.insert(util::get<expression_ptr>(expressions.minimum_padding));
|
|
if (is_expression(expressions.minimum_path_length)) output.insert(util::get<expression_ptr>(expressions.minimum_path_length));
|
|
if (is_expression(expressions.max_char_angle_delta)) output.insert(util::get<expression_ptr>(expressions.max_char_angle_delta));
|
|
if (is_expression(expressions.allow_overlap)) output.insert(util::get<expression_ptr>(expressions.allow_overlap));
|
|
if (is_expression(expressions.largest_bbox_only)) output.insert(util::get<expression_ptr>(expressions.largest_bbox_only));
|
|
if (is_expression(expressions.upright)) output.insert(util::get<expression_ptr>(expressions.upright));
|
|
|
|
layout_defaults.add_expressions(output);
|
|
format_defaults.add_expressions(output);
|
|
if (tree_) tree_->add_expressions(output);
|
|
}
|
|
|
|
void text_symbolizer_properties::set_old_style_expression(expression_ptr expr)
|
|
{
|
|
tree_ = std::make_shared<formatting::text_node>(expr);
|
|
}
|
|
|
|
text_layout_properties::text_layout_properties()
|
|
: halign(enumeration_wrapper(H_AUTO)),
|
|
jalign(enumeration_wrapper(J_AUTO)),
|
|
valign(enumeration_wrapper(V_AUTO)) {}
|
|
|
|
void text_layout_properties::from_xml(xml_node const &node, fontset_map const& fontsets)
|
|
{
|
|
set_property_from_xml<double>(dx, "dx", node);
|
|
set_property_from_xml<double>(dy, "dy", node);
|
|
set_property_from_xml<double>(text_ratio, "text-ratio", node);
|
|
set_property_from_xml<double>(wrap_width, "wrap-width", node);
|
|
set_property_from_xml<std::string>(wrap_char, "wrap-character", node);
|
|
set_property_from_xml<boolean_type>(wrap_before, "wrap-before", node);
|
|
set_property_from_xml<boolean_type>(repeat_wrap_char, "repeat-wrap-character", node);
|
|
set_property_from_xml<boolean_type>(rotate_displacement, "rotate-displacement", node);
|
|
set_property_from_xml<double>(orientation, "orientation", node);
|
|
set_property_from_xml<vertical_alignment_e>(valign, "vertical-alignment", node);
|
|
set_property_from_xml<horizontal_alignment_e>(halign, "horizontal-alignment", node);
|
|
set_property_from_xml<justify_alignment_e>(jalign, "justify-alignment", node);
|
|
}
|
|
|
|
void text_layout_properties::to_xml(boost::property_tree::ptree & node,
|
|
bool explicit_defaults,
|
|
text_layout_properties const& dfl) const
|
|
{
|
|
if (!(dx == dfl.dx) || explicit_defaults) serialize_property("dx", dx, node);
|
|
if (!(dy == dfl.dy) || explicit_defaults) serialize_property("dy", dy, node);
|
|
if (!(valign == dfl.valign) || explicit_defaults) serialize_property("vertical-alignment", valign, node);
|
|
if (!(halign == dfl.halign) || explicit_defaults) serialize_property("horizontal-alignment", halign, node);
|
|
if (!(jalign == dfl.jalign) || explicit_defaults) serialize_property("justify-alignment", jalign, node);
|
|
if (!(text_ratio == dfl.text_ratio) || explicit_defaults) serialize_property("text-ratio", text_ratio, node);
|
|
if (!(wrap_width == dfl.wrap_width) || explicit_defaults) serialize_property("wrap-width", wrap_width, node);
|
|
if (!(wrap_char == dfl.wrap_char) || explicit_defaults) serialize_property("wrap-character", wrap_char, node);
|
|
if (!(wrap_before == dfl.wrap_before) || explicit_defaults) serialize_property("wrap-before", wrap_before, node);
|
|
if (!(repeat_wrap_char == dfl.repeat_wrap_char) || explicit_defaults) serialize_property("repeat-wrap-character", repeat_wrap_char, node);
|
|
if (!(rotate_displacement == dfl.rotate_displacement) || explicit_defaults)
|
|
serialize_property("rotate-displacement", rotate_displacement, node);
|
|
if (!(orientation == dfl.orientation) || explicit_defaults) serialize_property("orientation", orientation, node);
|
|
}
|
|
|
|
void text_layout_properties::add_expressions(expression_set & output) const
|
|
{
|
|
if (is_expression(dx)) output.insert(util::get<expression_ptr>(dx));
|
|
if (is_expression(dy)) output.insert(util::get<expression_ptr>(dy));
|
|
if (is_expression(orientation)) output.insert(util::get<expression_ptr>(orientation));
|
|
if (is_expression(wrap_width)) output.insert(util::get<expression_ptr>(wrap_width));
|
|
if (is_expression(wrap_char)) output.insert(util::get<expression_ptr>(wrap_char));
|
|
if (is_expression(wrap_before)) output.insert(util::get<expression_ptr>(wrap_before));
|
|
if (is_expression(repeat_wrap_char)) output.insert(util::get<expression_ptr>(repeat_wrap_char));
|
|
if (is_expression(rotate_displacement)) output.insert(util::get<expression_ptr>(rotate_displacement));
|
|
if (is_expression(text_ratio)) output.insert(util::get<expression_ptr>(text_ratio));
|
|
if (is_expression(halign)) output.insert(util::get<expression_ptr>(halign));
|
|
if (is_expression(valign)) output.insert(util::get<expression_ptr>(valign));
|
|
if (is_expression(jalign)) output.insert(util::get<expression_ptr>(jalign));
|
|
}
|
|
|
|
// text format properties
|
|
format_properties::format_properties()
|
|
: face_name(),
|
|
fontset(),
|
|
text_size(10.0),
|
|
character_spacing(0.0),
|
|
line_spacing(0.0),
|
|
text_opacity(1.0),
|
|
halo_opacity(1.0),
|
|
fill(color(0,0,0)),
|
|
halo_fill(color(255,255,255)),
|
|
halo_radius(0.0),
|
|
text_transform(enumeration_wrapper(NONE)),
|
|
font_feature_settings(std::make_shared<mapnik::font_feature_settings>()) {}
|
|
|
|
void format_properties::from_xml(xml_node const& node, fontset_map const& fontsets, bool is_shield)
|
|
{
|
|
set_property_from_xml<double>(text_size, "size", node);
|
|
set_property_from_xml<double>(character_spacing, "character-spacing", node);
|
|
set_property_from_xml<double>(line_spacing, "line-spacing", node);
|
|
set_property_from_xml<double>(halo_radius, "halo-radius", node);
|
|
// https://github.com/mapnik/mapnik/issues/2507
|
|
if (is_shield)
|
|
{
|
|
set_property_from_xml<double>(text_opacity, "text-opacity", node);
|
|
}
|
|
else
|
|
{
|
|
set_property_from_xml<double>(text_opacity, "opacity", node);
|
|
}
|
|
set_property_from_xml<double>(halo_opacity, "halo-opacity", node);
|
|
set_property_from_xml<color>(fill, "fill", node);
|
|
set_property_from_xml<color>(halo_fill, "halo-fill", node);
|
|
set_property_from_xml<text_transform_e>(text_transform,"text-transform", node);
|
|
set_property_from_xml<font_feature_settings_ptr>(font_feature_settings, "font-feature-settings", node);
|
|
|
|
optional<std::string> face_name_ = node.get_opt_attr<std::string>("face-name");
|
|
if (face_name_) face_name = *face_name_;
|
|
optional<std::string> fontset_name_ = node.get_opt_attr<std::string>("fontset-name");
|
|
if (fontset_name_)
|
|
{
|
|
std::map<std::string,font_set>::const_iterator itr = fontsets.find(*fontset_name_);
|
|
if (itr != fontsets.end())
|
|
{
|
|
fontset = itr->second;
|
|
}
|
|
else
|
|
{
|
|
throw config_error("Unable to find any fontset named '" + *fontset_name_ + "'", node);
|
|
}
|
|
}
|
|
if (!face_name.empty() && fontset)
|
|
{
|
|
throw config_error("Can't have both face-name and fontset-name", node);
|
|
}
|
|
if (face_name.empty() && !fontset)
|
|
{
|
|
throw config_error("Must have face-name or fontset-name", node);
|
|
}
|
|
}
|
|
|
|
void format_properties::to_xml(boost::property_tree::ptree & node, bool explicit_defaults, format_properties const& dfl) const
|
|
{
|
|
if (fontset)
|
|
{
|
|
set_attr(node, "fontset-name", fontset->get_name());
|
|
}
|
|
|
|
if (face_name != dfl.face_name || explicit_defaults)
|
|
{
|
|
set_attr(node, "face-name", face_name);
|
|
}
|
|
|
|
if (!(text_size == dfl.text_size) || explicit_defaults) serialize_property("size", text_size, node);
|
|
if (!(character_spacing == dfl.character_spacing) || explicit_defaults) serialize_property("character-spacing", character_spacing, node);
|
|
if (!(line_spacing == dfl.line_spacing) || explicit_defaults) serialize_property("line-spacing", line_spacing, node);
|
|
if (!(halo_radius == dfl.halo_radius) || explicit_defaults) serialize_property("halo-radius", halo_radius, node);
|
|
// NOTE: this is dodgy: for text-symbolizer this should do the right thing
|
|
// but for shield_symbolizer it won't but 'opacity' should be overwritten by save_map later on
|
|
// since it is a property of the symbolizer_base rather than these properties
|
|
if (!(text_opacity == dfl.text_opacity) || explicit_defaults)
|
|
{
|
|
serialize_property("text-opacity", text_opacity, node);
|
|
serialize_property("opacity", text_opacity, node);
|
|
}
|
|
if (!(halo_opacity == dfl.halo_opacity) || explicit_defaults) serialize_property("halo-opacity", halo_opacity, node);
|
|
if (!(fill == dfl.fill) || explicit_defaults) serialize_property("fill", fill, node);
|
|
if (!(halo_fill == dfl.halo_fill) || explicit_defaults) serialize_property("halo-fill", halo_fill, node);
|
|
if (!(text_transform == dfl.text_transform) || explicit_defaults) serialize_property("text-transform", text_transform, node);
|
|
if (!(font_feature_settings == dfl.font_feature_settings) || explicit_defaults) serialize_property("font-feature-settings", font_feature_settings, node);
|
|
}
|
|
|
|
void format_properties::add_expressions(expression_set & output) const
|
|
{
|
|
if (is_expression(text_size)) output.insert(util::get<expression_ptr>(text_size));
|
|
if (is_expression(character_spacing)) output.insert(util::get<expression_ptr>(character_spacing));
|
|
if (is_expression(line_spacing)) output.insert(util::get<expression_ptr>(line_spacing));
|
|
if (is_expression(halo_radius)) output.insert(util::get<expression_ptr>(halo_radius));
|
|
if (is_expression(text_opacity)) output.insert(util::get<expression_ptr>(text_opacity));
|
|
if (is_expression(halo_opacity)) output.insert(util::get<expression_ptr>(halo_opacity));
|
|
if (is_expression(fill)) output.insert(util::get<expression_ptr>(fill));
|
|
if (is_expression(halo_fill)) output.insert(util::get<expression_ptr>(halo_fill));
|
|
if (is_expression(text_transform)) output.insert(util::get<expression_ptr>(text_transform));
|
|
if (is_expression(font_feature_settings)) output.insert(util::get<expression_ptr>(font_feature_settings));
|
|
}
|
|
|
|
|
|
} //ns mapnik
|