mapnik/bindings/python/mapnik_markers_symbolizer.cpp
Dane Springmeyer 6859bea499 iwyu
2013-01-13 21:48:56 -08:00

170 lines
6.8 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2010 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/python.hpp>
#include <mapnik/graphics.hpp>
#include <mapnik/expression_node.hpp>
#include <mapnik/value_error.hpp>
#include <mapnik/image_util.hpp>
#include <mapnik/markers_symbolizer.hpp>
#include <mapnik/parse_path.hpp>
#include "mapnik_svg.hpp"
#include "mapnik_enumeration.hpp"
#include <mapnik/marker_cache.hpp> // for known_svg_prefix_
using mapnik::markers_symbolizer;
using mapnik::symbolizer_with_image;
using mapnik::path_processor_type;
using mapnik::parse_path;
namespace {
using namespace boost::python;
std::string get_filename(mapnik::markers_symbolizer const& symbolizer)
{
return path_processor_type::to_string(*symbolizer.get_filename());
}
void set_filename(mapnik::markers_symbolizer & symbolizer, std::string const& file_expr)
{
symbolizer.set_filename(parse_path(file_expr));
}
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));
}
}
// https://github.com/mapnik/mapnik/issues/1367
PyObject* get_fill_opacity_impl(markers_symbolizer & sym)
{
boost::optional<float> fill_opacity = sym.get_fill_opacity();
if (fill_opacity)
return ::PyFloat_FromDouble(*fill_opacity);
Py_RETURN_NONE;
}
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_filename,
&set_filename)
.add_property("marker_type",
&get_filename,
&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",
&get_fill_opacity_impl,
&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")
;
}