224 lines
8.1 KiB
C++
224 lines
8.1 KiB
C++
/*****************************************************************************
|
|
*
|
|
* This file is part of Mapnik (c++ mapping toolkit)
|
|
*
|
|
* Copyright (C) 2006 Artem Pavlenko, Jean-Francois Doyon
|
|
*
|
|
* 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/text_symbolizer.hpp>
|
|
#include "mapnik_enumeration.hpp"
|
|
|
|
using namespace mapnik;
|
|
using mapnik::color;
|
|
using mapnik::text_symbolizer;
|
|
|
|
namespace {
|
|
using namespace boost::python;
|
|
|
|
list get_displacement_list(const text_symbolizer& t)
|
|
{
|
|
position pos = t.get_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 text_symbolizer& t)
|
|
{
|
|
position 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;
|
|
}
|
|
}
|
|
|
|
struct text_symbolizer_pickle_suite : boost::python::pickle_suite
|
|
{
|
|
static boost::python::tuple
|
|
getinitargs(const text_symbolizer& t)
|
|
{
|
|
|
|
return boost::python::make_tuple(t.get_name(),t.get_face_name(),t.get_text_size(),t.get_fill());
|
|
|
|
}
|
|
|
|
static boost::python::tuple
|
|
getstate(const text_symbolizer& t)
|
|
{
|
|
boost::python::list disp = get_displacement_list(t);
|
|
boost::python::list anchor = get_anchor_list(t);
|
|
|
|
return boost::python::make_tuple(disp,t.get_fontset().get_name(),t.get_label_placement(),
|
|
t.get_vertical_alignment(),t.get_halo_radius(),t.get_halo_fill(),t.get_text_ratio(),
|
|
t.get_wrap_width(),t.get_label_spacing(),t.get_minimum_distance(),t.get_allow_overlap(),
|
|
anchor,t.get_force_odd_labels(),t.get_max_char_angle_delta());
|
|
}
|
|
|
|
static void
|
|
setstate (text_symbolizer& t, boost::python::tuple state)
|
|
{
|
|
using namespace boost::python;
|
|
|
|
if (len(state) != 14)
|
|
{
|
|
PyErr_SetObject(PyExc_ValueError,
|
|
("expected 14-item tuple in call to __setstate__; got %s"
|
|
% state).ptr()
|
|
);
|
|
throw_error_already_set();
|
|
}
|
|
|
|
list disp = extract<list>(state[0]);
|
|
double dx = extract<double>(disp[0]);
|
|
double dy = extract<double>(disp[1]);
|
|
t.set_displacement(dx,dy);
|
|
|
|
if (state[1])
|
|
{
|
|
std::string fontset = extract<std::string>(state[1]);
|
|
t.set_fontset(fontset);
|
|
}
|
|
|
|
t.set_label_placement(extract<label_placement_e>(state[2]));
|
|
|
|
t.set_vertical_alignment(extract<vertical_alignment_e>(state[3]));
|
|
|
|
t.set_halo_radius(extract<unsigned>(state[4]));
|
|
|
|
t.set_halo_fill(extract<color>(state[5]));
|
|
|
|
t.set_text_ratio(extract<unsigned>(state[6]));
|
|
|
|
t.set_wrap_width(extract<unsigned>(state[7]));
|
|
|
|
t.set_label_spacing(extract<unsigned>(state[8]));
|
|
|
|
t.set_minimum_distance(extract<double>(state[9]));
|
|
|
|
t.set_allow_overlap(extract<bool>(state[10]));
|
|
|
|
list anch = extract<list>(state[11]);
|
|
double x = extract<double>(anch[0]);
|
|
double y = extract<double>(anch[1]);
|
|
t.set_anchor(x,y);
|
|
|
|
t.set_force_odd_labels(extract<bool>(state[12]));
|
|
|
|
t.set_max_char_angle_delta(extract<double>(state[13]));
|
|
}
|
|
|
|
};
|
|
|
|
|
|
void export_text_symbolizer()
|
|
{
|
|
using namespace boost::python;
|
|
|
|
enumeration_<label_placement_e>("label_placement")
|
|
.value("LINE_PLACEMENT",LINE_PLACEMENT)
|
|
.value("POINT_PLACEMENT",POINT_PLACEMENT)
|
|
;
|
|
enumeration_<vertical_alignment_e>("vertical_alignment")
|
|
.value("TOP",TOP)
|
|
.value("MIDDLE",MIDDLE)
|
|
.value("BOTTOM",BOTTOM)
|
|
;
|
|
|
|
class_<text_symbolizer>("TextSymbolizer",
|
|
init<std::string const&,std::string const&, unsigned,color const&>())
|
|
.def_pickle(text_symbolizer_pickle_suite())
|
|
.add_property("halo_fill",make_function(
|
|
&text_symbolizer::get_halo_fill,
|
|
return_value_policy<copy_const_reference>()),
|
|
&text_symbolizer::set_halo_fill)
|
|
.add_property("halo_radius",
|
|
&text_symbolizer::get_halo_radius,
|
|
&text_symbolizer::set_halo_radius)
|
|
.add_property("wrap_width",
|
|
&text_symbolizer::get_wrap_width,
|
|
&text_symbolizer::set_wrap_width)
|
|
.add_property("text_ratio",
|
|
&text_symbolizer::get_text_ratio,
|
|
&text_symbolizer::set_text_ratio)
|
|
.add_property("label_spacing",
|
|
&text_symbolizer::get_label_spacing,
|
|
&text_symbolizer::set_label_spacing)
|
|
.add_property("label_position_tolerance",
|
|
&text_symbolizer::get_label_position_tolerance,
|
|
&text_symbolizer::set_label_position_tolerance)
|
|
.add_property("force_odd_labels",
|
|
&text_symbolizer::get_force_odd_labels,
|
|
&text_symbolizer::set_force_odd_labels)
|
|
|
|
.add_property("fontset",
|
|
make_function(&text_symbolizer::get_fontset,return_value_policy<copy_const_reference>()),
|
|
&text_symbolizer::set_fontset)
|
|
|
|
.add_property("fill",
|
|
make_function(&text_symbolizer::get_fill,return_value_policy<copy_const_reference>()),
|
|
&text_symbolizer::set_fill)
|
|
.add_property("name",
|
|
make_function(&text_symbolizer::get_name,return_value_policy<copy_const_reference>()),
|
|
&text_symbolizer::set_name)
|
|
|
|
.add_property("text_size",
|
|
&text_symbolizer::get_text_size,
|
|
&text_symbolizer::set_text_size)
|
|
|
|
.add_property("face_name",
|
|
make_function(&text_symbolizer::get_face_name,return_value_policy<copy_const_reference>()),
|
|
&text_symbolizer::set_face_name)
|
|
|
|
.add_property("max_char_angle_delta",
|
|
&text_symbolizer::get_max_char_angle_delta,
|
|
&text_symbolizer::set_max_char_angle_delta)
|
|
.add_property("avoid_edges",
|
|
&text_symbolizer::get_avoid_edges,
|
|
&text_symbolizer::set_avoid_edges)
|
|
.add_property("minimum_distance",
|
|
&text_symbolizer::get_minimum_distance,
|
|
&text_symbolizer::set_minimum_distance)
|
|
.def("displacement",&text_symbolizer::set_displacement)
|
|
.def("anchor",&text_symbolizer::set_anchor)
|
|
.def("get_displacement",get_displacement_list)
|
|
.def("get_anchor",get_anchor_list)
|
|
.add_property("label_placement",
|
|
&text_symbolizer::get_label_placement,
|
|
&text_symbolizer::set_label_placement,
|
|
"Set/get the placement of the label")
|
|
|
|
.add_property("vertical_alignment",
|
|
&text_symbolizer::get_vertical_alignment,
|
|
&text_symbolizer::set_vertical_alignment,
|
|
"Set/get the vertical alignment of the label")
|
|
|
|
.add_property("allow_overlap",
|
|
&text_symbolizer::get_allow_overlap,
|
|
&text_symbolizer::set_allow_overlap,
|
|
"Set/get the allow_overlap property of the label")
|
|
;
|
|
}
|