mapnik/bindings/python/mapnik_symbolizer.cpp

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/*****************************************************************************
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*
* 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
*
*****************************************************************************/
#include "boost_std_shared_shim.hpp"
/* The functions in this file produce deprecation warnings.
* But as shield symbolizer doesn't fully support more than one
* placement from python yet these functions are actually the
* correct ones.
*/
#define NO_DEPRECATION_WARNINGS
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// boost
#include <boost/python.hpp>
#include <boost/variant.hpp>
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// mapnik
//symbolizer typdef here rather than mapnik/symbolizer.hpp
#include <mapnik/rule.hpp>
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#include <mapnik/symbolizer_hash.hpp>
#include <mapnik/image_util.hpp>
#include <mapnik/parse_path.hpp>
#include <mapnik/path_expression.hpp>
#include "mapnik_enumeration.hpp"
#include "mapnik_svg.hpp"
#include <mapnik/graphics.hpp>
#include <mapnik/expression_node.hpp>
#include <mapnik/value_error.hpp>
#include <mapnik/marker_cache.hpp> // for known_svg_prefix_
using mapnik::symbolizer;
using mapnik::rule;
using mapnik::point_symbolizer;
using mapnik::line_symbolizer;
using mapnik::line_pattern_symbolizer;
using mapnik::polygon_symbolizer;
using mapnik::polygon_pattern_symbolizer;
using mapnik::raster_symbolizer;
using mapnik::shield_symbolizer;
using mapnik::text_symbolizer;
using mapnik::building_symbolizer;
using mapnik::markers_symbolizer;
using mapnik::color;
using mapnik::path_processor_type;
using mapnik::path_expression_ptr;
using mapnik::guess_type;
using mapnik::expression_ptr;
using mapnik::parse_path;
using mapnik::position;
namespace {
using namespace boost::python;
tuple get_shield_displacement(const shield_symbolizer& s)
{
position const& pos = s.get_shield_displacement();
return boost::python::make_tuple(pos.first, pos.second);
}
void set_shield_displacement(shield_symbolizer & s, boost::python::tuple arg)
{
s.get_placement_options()->defaults.displacement.first = extract<double>(arg[0]);
s.get_placement_options()->defaults.displacement.second = extract<double>(arg[1]);
}
tuple get_text_displacement(const shield_symbolizer& t)
{
position const& pos = t.get_placement_options()->defaults.displacement;
return boost::python::make_tuple(pos.first, pos.second);
}
void set_text_displacement(shield_symbolizer & t, boost::python::tuple arg)
{
t.set_displacement(extract<double>(arg[0]),extract<double>(arg[1]));
}
void set_marker_type(mapnik::markers_symbolizer & symbolizer, std::string const& marker_type)
{
std::string filename;
if (marker_type == "ellipse")
{
filename = mapnik::marker_cache::instance().known_svg_prefix_ + "ellipse";
}
else if (marker_type == "arrow")
{
filename = mapnik::marker_cache::instance().known_svg_prefix_ + "arrow";
}
else
{
throw mapnik::value_error("Unknown marker-type: '" + marker_type + "'");
}
symbolizer.set_filename(parse_path(filename));
}
struct get_symbolizer_type : public boost::static_visitor<std::string>
{
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public:
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std::string operator () (point_symbolizer const& sym) const
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{
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boost::ignore_unused_variable_warning(sym);
return std::string("point");
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}
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std::string operator () ( line_symbolizer const& sym) const
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{
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boost::ignore_unused_variable_warning(sym);
return std::string("line");
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}
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std::string operator () (line_pattern_symbolizer const& sym) const
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{
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boost::ignore_unused_variable_warning(sym);
return std::string("line_pattern");
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}
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std::string operator () (polygon_symbolizer const& sym ) const
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{
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boost::ignore_unused_variable_warning(sym);
return std::string("polygon");
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}
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std::string operator () (polygon_pattern_symbolizer const& sym) const
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{
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boost::ignore_unused_variable_warning(sym);
return std::string("polygon_pattern");
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}
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std::string operator () (raster_symbolizer const& sym) const
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{
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boost::ignore_unused_variable_warning(sym);
return std::string("raster");
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}
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std::string operator () (shield_symbolizer const& sym) const
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{
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boost::ignore_unused_variable_warning(sym);
return std::string("shield");
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}
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std::string operator () (text_symbolizer const& sym) const
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{
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boost::ignore_unused_variable_warning(sym);
return std::string("text");
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}
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std::string operator () (building_symbolizer const& sym) const
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{
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boost::ignore_unused_variable_warning(sym);
return std::string("building");
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}
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std::string operator () (markers_symbolizer const& sym) const
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{
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boost::ignore_unused_variable_warning(sym);
return std::string("markers");
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}
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template <typename Symbolizer>
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std::string operator() ( Symbolizer const& sym) const
{
boost::ignore_unused_variable_warning(sym);
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return std::string("unknown");
}
};
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std::string get_symbol_type(symbolizer const& symbol)
{
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std::string type = boost::apply_visitor( get_symbolizer_type(), symbol);
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return type;
}
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const point_symbolizer& point_(symbolizer const& symbol )
{
return boost::get<point_symbolizer>(symbol);
}
const line_symbolizer& line_( const symbolizer& symbol )
{
return boost::get<line_symbolizer>(symbol);
}
const polygon_symbolizer& polygon_( const symbolizer& symbol )
{
return boost::get<polygon_symbolizer>(symbol);
}
const raster_symbolizer& raster_( const symbolizer& symbol )
{
return boost::get<raster_symbolizer>(symbol);
}
const text_symbolizer& text_( const symbolizer& symbol )
{
return boost::get<text_symbolizer>(symbol);
}
const shield_symbolizer& shield_( const symbolizer& symbol )
{
return boost::get<shield_symbolizer>(symbol);
}
const line_pattern_symbolizer& line_pattern_( const symbolizer& symbol )
{
return boost::get<line_pattern_symbolizer>(symbol);
}
const polygon_pattern_symbolizer& polygon_pattern_( const symbolizer& symbol )
{
return boost::get<polygon_pattern_symbolizer>(symbol);
}
const building_symbolizer& building_( const symbolizer& symbol )
{
return boost::get<building_symbolizer>(symbol);
}
const markers_symbolizer& markers_( const symbolizer& symbol )
{
return boost::get<markers_symbolizer>(symbol);
}
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struct symbolizer_hash_visitor : public boost::static_visitor<std::size_t>
{
template <typename T>
std::size_t operator() (T const& sym) const
{
return mapnik::symbolizer_hash::value(sym);
}
};
std::size_t hash_impl(symbolizer const& sym)
{
return boost::apply_visitor(symbolizer_hash_visitor(), sym);
}
template <typename T>
std::string get_file_impl(T const& sym)
{
return path_processor_type::to_string(*sym.get_filename());
}
template <typename T>
void set_file_impl(T & sym, std::string const& file_expr)
{
sym.set_filename(parse_path(file_expr));
}
}
void export_symbolizer()
{
using namespace boost::python;
class_<symbolizer>("Symbolizer",no_init)
.def("type",get_symbol_type)
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.def("__hash__",hash_impl)
.def("point",point_,
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return_value_policy<copy_const_reference>())
.def("line",line_,
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return_value_policy<copy_const_reference>())
.def("line_pattern",line_pattern_,
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return_value_policy<copy_const_reference>())
.def("polygon",polygon_,
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return_value_policy<copy_const_reference>())
.def("polygon_pattern",polygon_pattern_,
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return_value_policy<copy_const_reference>())
.def("raster",raster_,
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return_value_policy<copy_const_reference>())
.def("shield",shield_,
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return_value_policy<copy_const_reference>())
.def("text",text_,
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return_value_policy<copy_const_reference>())
.def("building",building_,
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return_value_policy<copy_const_reference>())
.def("markers",markers_,
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return_value_policy<copy_const_reference>())
;
}
void export_shield_symbolizer()
{
using namespace boost::python;
class_< shield_symbolizer, bases<text_symbolizer> >("ShieldSymbolizer",
init<expression_ptr,
std::string const&,
unsigned, mapnik::color const&,
path_expression_ptr>()
)
.add_property("allow_overlap",
&shield_symbolizer::get_allow_overlap,
&shield_symbolizer::set_allow_overlap,
"Set/get the allow_overlap property of the label")
.add_property("avoid_edges",
&shield_symbolizer::get_avoid_edges,
&shield_symbolizer::set_avoid_edges,
"Set/get the avoid_edge property of the label")
.add_property("character_spacing",
&shield_symbolizer::get_character_spacing,
&shield_symbolizer::set_character_spacing,
"Set/get the character_spacing property of the label")
.add_property("displacement",
&get_text_displacement,
&set_text_displacement)
.add_property("face_name",
make_function(&shield_symbolizer::get_face_name,return_value_policy<copy_const_reference>()),
&shield_symbolizer::set_face_name,
"Set/get the face_name property of the label")
.add_property("fill",
make_function(&shield_symbolizer::get_fill,return_value_policy<copy_const_reference>()),
&shield_symbolizer::set_fill)
.add_property("fontset",
make_function(&shield_symbolizer::get_fontset,return_value_policy<copy_const_reference>()),
&shield_symbolizer::set_fontset)
.add_property("force_odd_labels",
&shield_symbolizer::get_force_odd_labels,
&shield_symbolizer::set_force_odd_labels)
.add_property("halo_fill",
make_function(&shield_symbolizer::get_halo_fill,return_value_policy<copy_const_reference>()),
&shield_symbolizer::set_halo_fill)
.add_property("halo_radius",
&shield_symbolizer::get_halo_radius,
&shield_symbolizer::set_halo_radius)
.add_property("horizontal_alignment",
&shield_symbolizer::get_horizontal_alignment,
&shield_symbolizer::set_horizontal_alignment,
"Set/get the horizontal alignment of the label")
.add_property("justify_alignment",
&shield_symbolizer::get_justify_alignment,
&shield_symbolizer::set_justify_alignment,
"Set/get the text justification")
.add_property("label_placement",
&shield_symbolizer::get_label_placement,
&shield_symbolizer::set_label_placement,
"Set/get the placement of the label")
.add_property("label_position_tolerance",
&shield_symbolizer::get_label_position_tolerance,
&shield_symbolizer::set_label_position_tolerance)
.add_property("label_spacing",
&shield_symbolizer::get_label_spacing,
&shield_symbolizer::set_label_spacing)
.add_property("line_spacing",
&shield_symbolizer::get_line_spacing,
&shield_symbolizer::set_line_spacing)
.add_property("max_char_angle_delta",
&shield_symbolizer::get_max_char_angle_delta,
&shield_symbolizer::set_max_char_angle_delta)
.add_property("minimum_distance",
&shield_symbolizer::get_minimum_distance,
&shield_symbolizer::set_minimum_distance)
.add_property("minimum_padding",
&shield_symbolizer::get_minimum_padding,
&shield_symbolizer::set_minimum_padding)
.add_property("name",&shield_symbolizer::get_name,
&shield_symbolizer::set_name)
.add_property("opacity",
&shield_symbolizer::get_opacity,
&shield_symbolizer::set_opacity,
"Set/get the shield opacity")
.add_property("shield_displacement",
get_shield_displacement,
set_shield_displacement)
.add_property("text_opacity",
&shield_symbolizer::get_text_opacity,
&shield_symbolizer::set_text_opacity,
"Set/get the text opacity")
.add_property("text_transform",
&shield_symbolizer::get_text_transform,
&shield_symbolizer::set_text_transform,
"Set/get the text conversion method")
.add_property("text_ratio",
&shield_symbolizer::get_text_ratio,
&shield_symbolizer::set_text_ratio)
.add_property("text_size",
&shield_symbolizer::get_text_size,
&shield_symbolizer::set_text_size)
.add_property("vertical_alignment",
&shield_symbolizer::get_vertical_alignment,
&shield_symbolizer::set_vertical_alignment,
"Set/get the vertical alignment of the label")
.add_property("wrap_width",
&shield_symbolizer::get_wrap_width,
&shield_symbolizer::set_wrap_width)
.add_property("wrap_character",
&shield_symbolizer::get_wrap_char_string,
&shield_symbolizer::set_wrap_char_from_string)
.add_property("wrap_before",
&shield_symbolizer::get_wrap_before,
&shield_symbolizer::set_wrap_before)
.add_property("unlock_image",
&shield_symbolizer::get_unlock_image,
&shield_symbolizer::set_unlock_image)
.add_property("filename",
get_file_impl<shield_symbolizer>,
set_file_impl<shield_symbolizer>)
.add_property("transform",
mapnik::get_svg_transform<shield_symbolizer>,
mapnik::set_svg_transform<shield_symbolizer>)
.add_property("comp_op",
&shield_symbolizer::comp_op,
&shield_symbolizer::set_comp_op,
"Set/get the comp-op")
.add_property("clip",
&shield_symbolizer::clip,
&shield_symbolizer::set_clip,
"Set/get the shield geometry's clipping status")
;
}
void export_polygon_symbolizer()
{
using namespace boost::python;
class_<polygon_symbolizer>("PolygonSymbolizer",
init<>("Default PolygonSymbolizer - solid fill grey"))
.def(init<color const&>("TODO"))
.add_property("fill",make_function
(&polygon_symbolizer::get_fill,
return_value_policy<copy_const_reference>()),
&polygon_symbolizer::set_fill)
.add_property("fill_opacity",
&polygon_symbolizer::get_opacity,
&polygon_symbolizer::set_opacity)
.add_property("gamma",
&polygon_symbolizer::get_gamma,
&polygon_symbolizer::set_gamma)
.add_property("gamma_method",
&polygon_symbolizer::get_gamma_method,
&polygon_symbolizer::set_gamma_method,
"gamma correction method")
.add_property("comp_op",
&polygon_symbolizer::comp_op,
&polygon_symbolizer::set_comp_op,
"Set/get the polygon comp-op")
.add_property("clip",
&polygon_symbolizer::clip,
&polygon_symbolizer::set_clip,
"Set/get the polygon geometry's clipping status")
.add_property("smooth",
&polygon_symbolizer::smooth,
&polygon_symbolizer::set_smooth,
"Set/get the polygon geometry's smooth value")
.add_property("simplify_tolerance",
&polygon_symbolizer::simplify_tolerance,
&polygon_symbolizer::set_simplify_tolerance,
"simplfication tolerance measure")
.def("__hash__", hash_impl)
;
}
void export_polygon_pattern_symbolizer()
{
using namespace boost::python;
mapnik::enumeration_<mapnik::pattern_alignment_e>("pattern_alignment")
.value("LOCAL",mapnik::LOCAL_ALIGNMENT)
.value("GLOBAL",mapnik::GLOBAL_ALIGNMENT)
;
class_<polygon_pattern_symbolizer>("PolygonPatternSymbolizer",
init<path_expression_ptr>("<path_expression_ptr>"))
.add_property("alignment",
&polygon_pattern_symbolizer::get_alignment,
&polygon_pattern_symbolizer::set_alignment,
"Set/get the alignment of the pattern")
.add_property("transform",
mapnik::get_svg_transform<polygon_pattern_symbolizer>,
mapnik::set_svg_transform<polygon_pattern_symbolizer>)
.add_property("filename",
&get_file_impl<polygon_pattern_symbolizer>,
&set_file_impl<polygon_pattern_symbolizer>)
.add_property("opacity",
&polygon_pattern_symbolizer::get_opacity,
&polygon_pattern_symbolizer::set_opacity)
.add_property("gamma",
&polygon_pattern_symbolizer::get_gamma,
&polygon_pattern_symbolizer::set_gamma)
.add_property("gamma_method",
&polygon_pattern_symbolizer::get_gamma_method,
&polygon_pattern_symbolizer::set_gamma_method,
"Set/get the gamma correction method of the polygon")
.add_property("comp_op",
&polygon_pattern_symbolizer::comp_op,
&polygon_pattern_symbolizer::set_comp_op,
"Set/get the pattern comp-op")
.add_property("clip",
&polygon_pattern_symbolizer::clip,
&polygon_pattern_symbolizer::set_clip,
"Set/get the pattern geometry's clipping status")
.add_property("smooth",
&polygon_pattern_symbolizer::smooth,
&polygon_pattern_symbolizer::set_smooth,
"Set/get the pattern geometry's smooth value")
;
}
void export_raster_symbolizer()
{
using namespace boost::python;
class_<raster_symbolizer>("RasterSymbolizer",
init<>("Default ctor"))
.add_property("mode",
make_function(&raster_symbolizer::get_mode,return_value_policy<copy_const_reference>()),
&raster_symbolizer::set_mode,
"Get/Set merging mode. (deprecated, use comp_op instead)\n"
)
.add_property("comp_op",
&raster_symbolizer::comp_op,
&raster_symbolizer::set_comp_op,
"Set/get the raster comp-op"
)
.add_property("scaling",
&raster_symbolizer::get_scaling_method,
&raster_symbolizer::set_scaling_method,
"Get/Set scaling algorithm.\n"
"\n"
"Usage:\n"
"\n"
">>> from mapnik import RasterSymbolizer\n"
">>> r = RasterSymbolizer()\n"
">>> r.scaling = 'mapnik.scaling_method.GAUSSIAN'\n"
)
.add_property("opacity",
&raster_symbolizer::get_opacity,
&raster_symbolizer::set_opacity,
"Get/Set opacity.\n"
"\n"
"Usage:\n"
"\n"
">>> from mapnik import RasterSymbolizer\n"
">>> r = RasterSymbolizer()\n"
">>> r.opacity = .5\n"
)
.add_property("colorizer",
&raster_symbolizer::get_colorizer,
&raster_symbolizer::set_colorizer,
"Get/Set the RasterColorizer used to color data rasters.\n"
"\n"
"Usage:\n"
"\n"
">>> from mapnik import RasterSymbolizer, RasterColorizer\n"
">>> r = RasterSymbolizer()\n"
">>> r.colorizer = RasterColorizer()\n"
">>> for value, color in [\n"
"... (0, \"#000000\"),\n"
"... (10, \"#ff0000\"),\n"
"... (40, \"#00ff00\"),\n"
"... ]:\n"
"... r.colorizer.append_band(value, color)\n"
)
.add_property("filter_factor",
&raster_symbolizer::get_filter_factor,
&raster_symbolizer::set_filter_factor,
"Get/Set the filter factor used by the datasource.\n"
"\n"
"This is used by the Raster or Gdal datasources to pre-downscale\n"
"images using overviews.\n"
"Higher numbers can sometimes cause much better scaled image\n"
"output, at the cost of speed.\n"
"\n"
"Examples:\n"
" -1.0 : (Default) A suitable value will be determined from the\n"
" chosen scaling method during rendering.\n"
" 1.0 : The datasource will take care of all the scaling\n"
" (using nearest neighbor interpolation)\n"
" 2.0 : The datasource will scale the datasource to\n"
" 2.0x the desired size, and mapnik will scale the rest\n"
" of the way using the interpolation defined in self.scaling.\n"
)
.add_property("mesh_size",
&raster_symbolizer::get_mesh_size,
&raster_symbolizer::set_mesh_size,
"Get/Set warping mesh size.\n"
"Larger values result in faster warping times but might "
"result in distorted maps.\n"
"\n"
"Usage:\n"
"\n"
">>> from mapnik import RasterSymbolizer\n"
">>> r = RasterSymbolizer()\n"
">>> r.mesh_size = 32\n"
)
.add_property("premultiplied",
&raster_symbolizer::premultiplied,
&raster_symbolizer::set_premultiplied,
"Get/Set premultiplied status of the source image.\n"
"Can be used to override what the source data reports (when in error)\n"
"\n"
"Usage:\n"
"\n"
">>> from mapnik import RasterSymbolizer\n"
">>> r = RasterSymbolizer()\n"
">>> r.premultiplied = False\n"
)
;
}
void export_point_symbolizer()
{
using namespace boost::python;
mapnik::enumeration_<mapnik::point_placement_e>("point_placement")
.value("CENTROID",mapnik::CENTROID_POINT_PLACEMENT)
.value("INTERIOR",mapnik::INTERIOR_POINT_PLACEMENT)
;
class_<point_symbolizer>("PointSymbolizer",
init<>("Default Point Symbolizer - 4x4 black square"))
.def (init<mapnik::path_expression_ptr>("<path expression ptr>"))
.add_property("filename",
&get_file_impl<point_symbolizer>,
&set_file_impl<point_symbolizer>)
.add_property("allow_overlap",
&point_symbolizer::get_allow_overlap,
&point_symbolizer::set_allow_overlap)
.add_property("opacity",
&point_symbolizer::get_opacity,
&point_symbolizer::set_opacity)
.add_property("ignore_placement",
&point_symbolizer::get_ignore_placement,
&point_symbolizer::set_ignore_placement)
.add_property("placement",
&point_symbolizer::get_point_placement,
&point_symbolizer::set_point_placement,
"Set/get the placement of the point")
.add_property("transform",
mapnik::get_svg_transform<point_symbolizer>,
mapnik::set_svg_transform<point_symbolizer>)
.add_property("comp_op",
&point_symbolizer::comp_op,
&point_symbolizer::set_comp_op,
"Set/get the comp-op")
;
}
void export_markers_symbolizer()
{
using namespace boost::python;
mapnik::enumeration_<mapnik::marker_placement_e>("marker_placement")
.value("POINT_PLACEMENT",mapnik::MARKER_POINT_PLACEMENT)
.value("INTERIOR_PLACEMENT",mapnik::MARKER_INTERIOR_PLACEMENT)
.value("LINE_PLACEMENT",mapnik::MARKER_LINE_PLACEMENT)
;
mapnik::enumeration_<mapnik::marker_multi_policy_e>("marker_multi_policy")
.value("EACH",mapnik::MARKER_EACH_MULTI)
.value("WHOLE",mapnik::MARKER_WHOLE_MULTI)
.value("LARGEST",mapnik::MARKER_LARGEST_MULTI)
;
class_<markers_symbolizer>("MarkersSymbolizer",
init<>("Default Markers Symbolizer - circle"))
.def (init<mapnik::path_expression_ptr>("<path expression ptr>"))
.add_property("filename",
&get_file_impl<markers_symbolizer>,
&set_file_impl<markers_symbolizer>)
.add_property("marker_type",
&get_file_impl<markers_symbolizer>,
&set_marker_type)
.add_property("allow_overlap",
&markers_symbolizer::get_allow_overlap,
&markers_symbolizer::set_allow_overlap)
.add_property("spacing",
&markers_symbolizer::get_spacing,
&markers_symbolizer::set_spacing)
.add_property("max_error",
&markers_symbolizer::get_max_error,
&markers_symbolizer::set_max_error)
.add_property("opacity",
&markers_symbolizer::get_opacity,
&markers_symbolizer::set_opacity,
"Set/get the overall opacity")
.add_property("fill_opacity",
&markers_symbolizer::get_fill_opacity,
&markers_symbolizer::set_fill_opacity,
"Set/get the fill opacity")
.add_property("ignore_placement",
&markers_symbolizer::get_ignore_placement,
&markers_symbolizer::set_ignore_placement)
.add_property("transform",
&mapnik::get_svg_transform<markers_symbolizer>,
&mapnik::set_svg_transform<markers_symbolizer>)
.add_property("width",
make_function(&markers_symbolizer::get_width,
return_value_policy<copy_const_reference>()),
&markers_symbolizer::set_width,
"Set/get the marker width")
.add_property("height",
make_function(&markers_symbolizer::get_height,
return_value_policy<copy_const_reference>()),
&markers_symbolizer::set_height,
"Set/get the marker height")
.add_property("fill",
&markers_symbolizer::get_fill,
&markers_symbolizer::set_fill,
"Set/get the marker fill color")
.add_property("stroke",
&markers_symbolizer::get_stroke,
&markers_symbolizer::set_stroke,
"Set/get the marker stroke (outline)")
.add_property("placement",
&markers_symbolizer::get_marker_placement,
&markers_symbolizer::set_marker_placement,
"Set/get the marker placement")
.add_property("multi_policy",
&markers_symbolizer::get_marker_multi_policy,
&markers_symbolizer::set_marker_multi_policy,
"Set/get the marker multi geometry rendering policy")
.add_property("comp_op",
&markers_symbolizer::comp_op,
&markers_symbolizer::set_comp_op,
"Set/get the marker comp-op")
.add_property("clip",
&markers_symbolizer::clip,
&markers_symbolizer::set_clip,
"Set/get the marker geometry's clipping status")
.add_property("smooth",
&markers_symbolizer::smooth,
&markers_symbolizer::set_smooth,
"Set/get the marker geometry's smooth value")
;
}
void export_line_symbolizer()
{
using namespace boost::python;
mapnik::enumeration_<mapnik::line_rasterizer_e>("line_rasterizer")
.value("FULL",mapnik::RASTERIZER_FULL)
.value("FAST",mapnik::RASTERIZER_FAST)
;
class_<line_symbolizer>("LineSymbolizer",
init<>("Default LineSymbolizer - 1px solid black"))
.def(init<mapnik::stroke const&>("TODO"))
.def(init<mapnik::color const& ,float>())
.add_property("rasterizer",
&line_symbolizer::get_rasterizer,
&line_symbolizer::set_rasterizer,
"Set/get the rasterization method of the line of the point")
.add_property("stroke",make_function
(&line_symbolizer::get_stroke,
return_value_policy<reference_existing_object>()),
&line_symbolizer::set_stroke)
.add_property("simplify_tolerance",
&line_symbolizer::simplify_tolerance,
&line_symbolizer::set_simplify_tolerance,
"simplification tolerance measure")
.add_property("offset",
&line_symbolizer::offset,
&line_symbolizer::set_offset,
"offset value")
.add_property("comp_op",
&line_symbolizer::comp_op,
&line_symbolizer::set_comp_op,
"Set/get the comp-op")
.add_property("clip",
&line_symbolizer::clip,
&line_symbolizer::set_clip,
"Set/get the line geometry's clipping status")
.add_property("smooth",
&line_symbolizer::smooth,
&line_symbolizer::set_smooth,
"smooth value (0..1.0)")
.def("__hash__", hash_impl)
;
}
void export_line_pattern_symbolizer()
{
using namespace boost::python;
class_<line_pattern_symbolizer>("LinePatternSymbolizer",
init<path_expression_ptr>
("<image file expression>"))
.add_property("transform",
mapnik::get_svg_transform<line_pattern_symbolizer>,
mapnik::set_svg_transform<line_pattern_symbolizer>)
.add_property("filename",
&get_file_impl<line_pattern_symbolizer>,
&set_file_impl<line_pattern_symbolizer>)
.add_property("offset",
&line_pattern_symbolizer::offset,
&line_pattern_symbolizer::set_offset,
"Set/get the offset")
.add_property("comp_op",
&line_pattern_symbolizer::comp_op,
&line_pattern_symbolizer::set_comp_op,
"Set/get the comp-op")
.add_property("clip",
&line_pattern_symbolizer::clip,
&line_pattern_symbolizer::set_clip,
"Set/get the line pattern geometry's clipping status")
.add_property("smooth",
&line_pattern_symbolizer::smooth,
&line_pattern_symbolizer::set_smooth,
"smooth value (0..1.0)")
;
}
void export_debug_symbolizer()
{
using namespace boost::python;
mapnik::enumeration_<mapnik::debug_symbolizer_mode_e>("debug_symbolizer_mode")
.value("COLLISION",mapnik::DEBUG_SYM_MODE_COLLISION)
.value("VERTEX",mapnik::DEBUG_SYM_MODE_VERTEX)
;
class_<mapnik::debug_symbolizer>("DebugSymbolizer",
init<>("Default debug Symbolizer"))
.add_property("mode",
&mapnik::debug_symbolizer::get_mode,
&mapnik::debug_symbolizer::set_mode)
;
}
void export_building_symbolizer()
{
using namespace boost::python;
class_<building_symbolizer>("BuildingSymbolizer",
init<>("Default BuildingSymbolizer"))
.add_property("fill",make_function
(&building_symbolizer::get_fill,
return_value_policy<copy_const_reference>()),
&building_symbolizer::set_fill)
.add_property("fill_opacity",
&building_symbolizer::get_opacity,
&building_symbolizer::set_opacity)
.add_property("height",
make_function(&building_symbolizer::height,
return_value_policy<copy_const_reference>()),
&building_symbolizer::set_height,
"Set/get the building height")
;
}