mapnik/bindings/python/mapnik_shield_symbolizer.cpp

230 lines
9.5 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2006 Artem Pavlenko, Jean-Francois Doyon
* Copyright (C) 2006 10East Corp.
*
* 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
*
*****************************************************************************/
//$Id$
#include <boost/python.hpp>
#include <mapnik/shield_symbolizer.hpp>
#include <mapnik/image_util.hpp>
#include <mapnik/path_expression_grammar.hpp>
#include "mapnik_svg.hpp"
using mapnik::color;
using mapnik::shield_symbolizer;
using mapnik::text_symbolizer;
using mapnik::symbolizer_with_image;
using mapnik::path_processor_type;
using mapnik::path_expression_ptr;
using mapnik::guess_type;
using mapnik::expression_ptr;
namespace {
using namespace boost::python;
list get_shield_displacement_list(const shield_symbolizer& t)
{
boost::tuple<double,double> pos = t.get_shield_displacement();
double dx = boost::get<0>(pos);
double dy = boost::get<1>(pos);
boost::python::list disp;
disp.append(dx);
disp.append(dy);
return disp;
}
list get_anchor_list(const shield_symbolizer& t)
{
boost::tuple<double,double> anch = t.get_anchor();
double x = boost::get<0>(anch);
double y = boost::get<1>(anch);
boost::python::list anchor;
anchor.append(x);
anchor.append(y);
return anchor;
}
const std::string get_filename(shield_symbolizer& symbolizer)
{
return path_processor_type::to_string(*symbolizer.get_filename());
}
}
struct shield_symbolizer_pickle_suite : boost::python::pickle_suite
{
static boost::python::tuple
getinitargs(const shield_symbolizer& s)
{
std::string filename = path_processor_type::to_string(*s.get_filename());
//(name, font name, font size, font color, image file, image type, width, height)
return boost::python::make_tuple( "TODO",//s.get_name(),
s.get_face_name(),s.get_text_size(),s.get_fill(),filename,guess_type(filename));
}
static boost::python::tuple
getstate(const shield_symbolizer& s)
{
return boost::python::make_tuple(s.get_halo_fill(),s.get_halo_radius());
}
// TODO add lots more...
static void
setstate (shield_symbolizer& s, boost::python::tuple state)
{
using namespace boost::python;
/*if (len(state) != 1)
{
PyErr_SetObject(PyExc_ValueError,
("expected 1-item tuple in call to __setstate__; got %s"
% state).ptr()
);
throw_error_already_set();
}*/
s.set_halo_fill(extract<color>(state[0]));
s.set_halo_radius(extract<float>(state[1]));
}
};
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>("TODO")
)
//.def_pickle(shield_symbolizer_pickle_suite())
.def("anchor",&shield_symbolizer::set_anchor)
.def("displacement",&shield_symbolizer::set_shield_displacement)
.def("get_anchor",get_anchor_list)
.def("get_displacement",get_shield_displacement_list)
.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("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("name",&shield_symbolizer::get_name,
&shield_symbolizer::set_name)
.add_property("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("no_text",
&shield_symbolizer::get_no_text,
&shield_symbolizer::set_no_text)
.add_property("unlock_image",
&shield_symbolizer::get_unlock_image,
&shield_symbolizer::set_unlock_image)
.add_property("filename",
get_filename,
&shield_symbolizer::set_filename)
.add_property("transform",
mapnik::get_svg_transform<shield_symbolizer>,
mapnik::set_svg_transform<shield_symbolizer>)
;
}