/usr/include/mapnik/symbolizer_base.hpp is in libmapnik-dev 3.0.12+ds-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2015 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
*
*****************************************************************************/
#ifndef MAPNIK_SYMBOLIZER_BASE_HPP
#define MAPNIK_SYMBOLIZER_BASE_HPP
// mapnik
#include <mapnik/config.hpp>
#include <mapnik/value_types.hpp>
#include <mapnik/expression.hpp>
#include <mapnik/path_expression.hpp>
#include <mapnik/symbolizer_keys.hpp>
#include <mapnik/raster_colorizer.hpp>
#include <mapnik/group/group_symbolizer_properties.hpp>
#include <mapnik/attribute.hpp>
#include <mapnik/text/font_feature_settings.hpp>
#include <mapnik/util/variant.hpp>
// stl
#include <memory>
#include <vector>
#include <iosfwd>
#include <map>
namespace agg { struct trans_affine; }
namespace mapnik
{
// fwd declares
// TODO - move these transform declares to own header
namespace detail { struct transform_node; }
using transform_list = std::vector<detail::transform_node>;
using transform_list_ptr = std::shared_ptr<transform_list>;
using transform_type = transform_list_ptr;
class feature_impl;
MAPNIK_DECL void evaluate_transform(agg::trans_affine& tr,
feature_impl const& feature,
attributes const& vars,
transform_type const& trans_expr,
double scale_factor);
struct enumeration_wrapper
{
int value;
enumeration_wrapper() = delete;
template <typename T>
explicit enumeration_wrapper(T value_)
: value(value_) {}
inline operator int() const
{
return value;
}
};
using dash_array = std::vector<std::pair<double,double> >;
class text_placements;
using text_placements_ptr = std::shared_ptr<text_placements>;
namespace detail {
using value_base_type = util::variant<value_bool,
value_integer,
enumeration_wrapper,
value_double,
std::string,
color,
expression_ptr,
path_expression_ptr,
transform_type,
text_placements_ptr,
dash_array,
raster_colorizer_ptr,
group_symbolizer_properties_ptr,
font_feature_settings>;
struct strict_value : value_base_type
{
strict_value() = default;
strict_value(const char* val)
: value_base_type(std::string(val)) {}
template <typename T>
strict_value(T const& obj)
: value_base_type(typename detail::mapnik_value_type<T>::type(obj))
{}
template <typename T>
strict_value(T && obj)
noexcept(std::is_nothrow_constructible<value_base_type, T && >::value)
: value_base_type(std::forward<T>(obj))
{}
};
} // namespace detail
struct MAPNIK_DECL symbolizer_base
{
using value_type = detail::strict_value;
using key_type = mapnik::keys;
using cont_type = std::map<key_type, value_type>;
cont_type properties;
};
inline bool is_expression(symbolizer_base::value_type const& val)
{
return val.is<expression_ptr>();
}
inline bool operator==(symbolizer_base const& lhs, symbolizer_base const& rhs)
{
return lhs.properties.size() == rhs.properties.size() &&
std::equal(lhs.properties.begin(), lhs.properties.end(), rhs.properties.begin());
}
// concrete symbolizer types
struct MAPNIK_DECL point_symbolizer : public symbolizer_base {};
struct MAPNIK_DECL line_symbolizer : public symbolizer_base {};
struct MAPNIK_DECL polygon_symbolizer : public symbolizer_base {};
struct MAPNIK_DECL text_symbolizer : public symbolizer_base {};
struct MAPNIK_DECL shield_symbolizer : public text_symbolizer {};
struct MAPNIK_DECL line_pattern_symbolizer : public symbolizer_base {};
struct MAPNIK_DECL polygon_pattern_symbolizer : public symbolizer_base {};
struct MAPNIK_DECL markers_symbolizer : public symbolizer_base {};
struct MAPNIK_DECL raster_symbolizer : public symbolizer_base {};
struct MAPNIK_DECL building_symbolizer : public symbolizer_base {};
struct MAPNIK_DECL group_symbolizer : public symbolizer_base {};
struct MAPNIK_DECL debug_symbolizer : public symbolizer_base {};
struct MAPNIK_DECL dot_symbolizer : public symbolizer_base {};
// symbolizer
using symbolizer = util::variant<point_symbolizer,
line_symbolizer,
line_pattern_symbolizer,
polygon_symbolizer,
polygon_pattern_symbolizer,
raster_symbolizer,
shield_symbolizer,
text_symbolizer,
building_symbolizer,
markers_symbolizer,
group_symbolizer,
debug_symbolizer,
dot_symbolizer>;
}
#endif // MAPNIK_SYMBOLIZER_BASE_HPP
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