mapnik/src/symbolizer_keys.cpp
2015-03-12 14:58:16 +01:00

185 lines
11 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2014 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
*
*****************************************************************************/
#include <mapnik/symbolizer.hpp>
#include <mapnik/color.hpp>
#include <mapnik/simplify.hpp>
// stl
#include <algorithm>
namespace mapnik {
static constexpr std::uint8_t const_max_key = static_cast<std::uint8_t>(keys::MAX_SYMBOLIZER_KEY);
// tuple -> name, default value, enumeration to string converter lambda, target property type
static const property_meta_type key_meta[const_max_key] =
{
property_meta_type{ "gamma", nullptr, property_types::target_double},
property_meta_type{ "gamma-method", nullptr, property_types::target_gamma_method},
property_meta_type{ "opacity", nullptr, property_types::target_double},
property_meta_type{ "alignment",
[](enumeration_wrapper e)
{
return enumeration<pattern_alignment_enum,pattern_alignment_enum_MAX>(pattern_alignment_enum(e.value)).as_string();
},
property_types::target_pattern_alignment},
property_meta_type{ "offset", nullptr, property_types::target_double},
property_meta_type{ "comp-op",
[](enumeration_wrapper e) { return *comp_op_to_string(composite_mode_e(e.value)); }, property_types::target_comp_op},
property_meta_type{ "clip", nullptr, property_types::target_bool},
property_meta_type{ "fill", nullptr, property_types::target_color},
property_meta_type{ "fill-opacity", nullptr, property_types::target_double},
property_meta_type{ "stroke", nullptr, property_types::target_color},
property_meta_type{ "stroke-width", nullptr, property_types::target_double},
property_meta_type{ "stroke-opacity", nullptr, property_types::target_double},
property_meta_type{ "stroke-linejoin",
[](enumeration_wrapper e)
{
return enumeration<line_join_enum,line_join_enum_MAX>(line_join_enum(e.value)).as_string();
},
property_types::target_line_join },
property_meta_type{ "stroke-linecap",
[](enumeration_wrapper e)
{
return enumeration<line_cap_enum,line_cap_enum_MAX>(line_cap_enum(e.value)).as_string();
},
property_types::target_line_cap },
property_meta_type{ "stroke-gamma", nullptr, property_types::target_double },
property_meta_type{ "stroke-gamma-method", nullptr, property_types::target_gamma_method },
property_meta_type{ "stroke-dashoffset", nullptr, property_types::target_double },
property_meta_type{ "stroke-dasharray", nullptr, property_types::target_dash_array },
property_meta_type{ "stroke-miterlimit", nullptr, property_types::target_double },
property_meta_type{ "geometry-transform", nullptr, property_types::target_transform },
// TODO - should be called 'line-rasterizer' but for back compat with 2.3.x we keep as 'rasterizer'
// https://github.com/mapnik/mapnik/issues/2503
property_meta_type{ "rasterizer",
[](enumeration_wrapper e)
{
return enumeration<line_rasterizer_enum,line_rasterizer_enum_MAX>(line_rasterizer_enum(e.value)).as_string();
},
property_types::target_double },
property_meta_type{ "transform", nullptr, property_types::target_transform },
property_meta_type{ "spacing", nullptr, property_types::target_double },
property_meta_type{ "max-error", nullptr, property_types::target_double },
property_meta_type{ "allow-overlap", nullptr, property_types::target_bool },
property_meta_type{ "ignore-placement", nullptr, property_types::target_bool },
property_meta_type{ "width", nullptr, property_types::target_double },
property_meta_type{ "height", nullptr, property_types::target_double },
property_meta_type{ "file", nullptr, property_types::target_string },
property_meta_type{ "shield-dx", nullptr, property_types::target_double },
property_meta_type{ "shield-dy", nullptr, property_types::target_double },
property_meta_type{ "unlock-image", nullptr, property_types::target_bool },
property_meta_type{ "mode", nullptr, property_types::target_double },
property_meta_type{ "scaling", nullptr, property_types::target_double },
property_meta_type{ "filter-factor", nullptr, property_types::target_double },
property_meta_type{ "mesh-size", nullptr, property_types::target_double },
property_meta_type{ "premultiplied", nullptr, property_types::target_bool },
property_meta_type{ "smooth", nullptr, property_types::target_double },
property_meta_type{ "simplify-algorithm",
[](enumeration_wrapper e)
{
return *simplify_algorithm_to_string(simplify_algorithm_e(e.value));
},
property_types::target_simplify_algorithm },
property_meta_type{ "simplify", nullptr, property_types::target_double },
property_meta_type{ "halo-rasterizer",
[](enumeration_wrapper e)
{
return enumeration<halo_rasterizer_enum,halo_rasterizer_enum_MAX>(halo_rasterizer_enum(e.value)).as_string();
},
property_types::target_halo_rasterizer },
property_meta_type{ "text-placements", nullptr, property_types::target_double },
property_meta_type{ "placement",
[](enumeration_wrapper e)
{ return enumeration<label_placement_enum,label_placement_enum_MAX>(label_placement_enum(e.value)).as_string();}, property_types::target_placement },
property_meta_type{ "placement", // FIXME - change property name
[](enumeration_wrapper e)
{
return enumeration<marker_placement_enum,marker_placement_enum_MAX>(marker_placement_enum(e.value)).as_string();
},
property_types::target_markers_placement },
property_meta_type{ "multi-policy",
[](enumeration_wrapper e)
{
return enumeration<marker_multi_policy_enum,marker_multi_policy_enum_MAX>(marker_multi_policy_enum(e.value)).as_string();
},
property_types::target_markers_multipolicy },
property_meta_type{ "placement", // FIXME - change property name
[](enumeration_wrapper e) { return enumeration<point_placement_enum,point_placement_enum_MAX>(point_placement_enum(e.value)).as_string();},
property_types::target_double },
property_meta_type{ "colorizer", nullptr, property_types::target_colorizer},
property_meta_type{ "halo-transform", nullptr, property_types::target_transform },
property_meta_type{ "num-columns", nullptr, property_types::target_integer},
property_meta_type{ "start-column", nullptr, property_types::target_integer},
property_meta_type{ "repeat-key", nullptr, property_types::target_repeat_key},
property_meta_type{ "symbolizer-properties", nullptr, property_types::target_group_symbolizer_properties},
property_meta_type{ "largest-box-only", nullptr, property_types::target_bool },
property_meta_type{ "minimum-path-length", nullptr, property_types::target_double },
property_meta_type{ "halo-comp-op",
[](enumeration_wrapper e) { return *comp_op_to_string(composite_mode_e(e.value)); },
property_types::target_halo_comp_op},
property_meta_type{ "text-transform", [](enumeration_wrapper e)
{return enumeration<text_transform_enum,text_transform_enum_MAX>(text_transform_enum(e.value)).as_string();},
property_types::target_text_transform},
property_meta_type{ "horizontal-alignment", [](enumeration_wrapper e)
{return enumeration<horizontal_alignment_enum,horizontal_alignment_enum_MAX>(horizontal_alignment_enum(e.value)).as_string();},
property_types::target_horizontal_alignment},
property_meta_type{ "justify-alignment", [](enumeration_wrapper e)
{return enumeration<justify_alignment_enum,justify_alignment_enum_MAX>(justify_alignment_enum(e.value)).as_string();},
property_types::target_justify_alignment},
property_meta_type{ "vertical-alignment", [](enumeration_wrapper e)
{return enumeration<vertical_alignment_enum,vertical_alignment_enum_MAX>(vertical_alignment_enum(e.value)).as_string();},
property_types::target_vertical_alignment},
property_meta_type{ "upright", [](enumeration_wrapper e)
{return enumeration<text_upright_enum,text_upright_enum_MAX>(text_upright_enum(e.value)).as_string();},
property_types::target_upright},
property_meta_type{ "direction", [](enumeration_wrapper e)
{return enumeration<direction_enum,direction_enum_MAX>(direction_enum(e.value)).as_string();},
property_types::target_direction},
property_meta_type{ "avoid-edges",nullptr, property_types::target_bool },
property_meta_type{ "font-feature-settings", nullptr, property_types::target_font_feature_settings },
};
property_meta_type const& get_meta(mapnik::keys key)
{
return key_meta[static_cast<int>(key)];
}
mapnik::keys get_key(std::string const& name)
{
std::string name_copy(name);
std::replace(name_copy.begin(), name_copy.end(), '_', '-');
for (unsigned i=0; i< const_max_key ; ++i)
{
property_meta_type const& item = key_meta[i];
if (name_copy == std::get<0>(item))
{
return static_cast<mapnik::keys>(i);
}
}
throw std::runtime_error("no key found for '" + name + "'");
return static_cast<mapnik::keys>(0);
}
}