265 lines
11 KiB
C++
265 lines
11 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"
|
|
#include <mapnik/expression_string.hpp>
|
|
|
|
using namespace mapnik;
|
|
using mapnik::color;
|
|
using mapnik::text_symbolizer;
|
|
using mapnik::expr_node;
|
|
using mapnik::expression_ptr;
|
|
using mapnik::to_expression_string;
|
|
|
|
namespace {
|
|
using namespace boost::python;
|
|
|
|
tuple get_text_displacement(const text_symbolizer& t)
|
|
{
|
|
mapnik::position const& pos = t.get_displacement();
|
|
return boost::python::make_tuple(pos.first, pos.second);
|
|
}
|
|
|
|
void set_text_displacement(text_symbolizer & t, boost::python::tuple arg)
|
|
{
|
|
t.set_displacement(extract<double>(arg[0]),extract<double>(arg[1]));
|
|
}
|
|
|
|
}
|
|
|
|
struct text_symbolizer_pickle_suite : boost::python::pickle_suite
|
|
{
|
|
static boost::python::tuple
|
|
getinitargs(const text_symbolizer& t)
|
|
{
|
|
|
|
return boost::python::make_tuple("TODO",//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::tuple disp = get_text_displacement(t);
|
|
|
|
// so we do not exceed max args accepted by make_tuple,
|
|
// lets put the increasing list of parameters in a list
|
|
boost::python::list extras;
|
|
extras.append(t.get_wrap_char_string());
|
|
extras.append(t.get_line_spacing());
|
|
extras.append(t.get_character_spacing());
|
|
extras.append(t.get_text_transform());
|
|
extras.append(t.get_wrap_before());
|
|
extras.append(t.get_horizontal_alignment());
|
|
extras.append(t.get_justify_alignment());
|
|
extras.append(t.get_text_opacity());
|
|
extras.append(t.get_minimum_padding());
|
|
extras.append(t.get_minimum_path_length());
|
|
|
|
return boost::python::make_tuple(disp,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(),
|
|
t.get_force_odd_labels(),t.get_max_char_angle_delta(),extras
|
|
);
|
|
}
|
|
|
|
static void
|
|
setstate (text_symbolizer& t, boost::python::tuple state)
|
|
{
|
|
using namespace boost::python;
|
|
|
|
if (len(state) != 14)
|
|
{
|
|
PyErr_SetObject(PyExc_ValueError,
|
|
("expected 15-item tuple in call to __setstate__; got %s"
|
|
% state).ptr()
|
|
);
|
|
throw_error_already_set();
|
|
}
|
|
|
|
tuple disp = extract<tuple>(state[0]);
|
|
double dx = extract<double>(disp[0]);
|
|
double dy = extract<double>(disp[1]);
|
|
t.set_displacement(dx,dy);
|
|
|
|
t.set_label_placement(extract<label_placement_e>(state[1]));
|
|
|
|
t.set_vertical_alignment(extract<vertical_alignment_e>(state[2]));
|
|
|
|
t.set_halo_radius(extract<unsigned>(state[3]));
|
|
|
|
t.set_halo_fill(extract<color>(state[4]));
|
|
|
|
t.set_text_ratio(extract<unsigned>(state[5]));
|
|
|
|
t.set_wrap_width(extract<unsigned>(state[6]));
|
|
|
|
t.set_label_spacing(extract<unsigned>(state[7]));
|
|
|
|
t.set_minimum_distance(extract<double>(state[8]));
|
|
|
|
t.set_allow_overlap(extract<bool>(state[9]));
|
|
|
|
t.set_force_odd_labels(extract<bool>(state[10]));
|
|
|
|
t.set_max_char_angle_delta(extract<double>(state[11]));
|
|
list extras = extract<list>(state[12]);
|
|
t.set_wrap_char_from_string(extract<std::string>(extras[0]));
|
|
t.set_line_spacing(extract<unsigned>(extras[1]));
|
|
t.set_character_spacing(extract<unsigned>(extras[2]));
|
|
t.set_text_transform(extract<text_transform_e>(extras[3]));
|
|
t.set_wrap_before(extract<bool>(extras[4]));
|
|
t.set_horizontal_alignment(extract<horizontal_alignment_e>(extras[5]));
|
|
t.set_justify_alignment(extract<justify_alignment_e>(extras[6]));
|
|
t.set_text_opacity(extract<double>(extras[7]));
|
|
t.set_minimum_padding(extract<double>(extras[8]));
|
|
t.set_minimum_path_length(extract<double>(extras[9]));
|
|
}
|
|
};
|
|
|
|
|
|
void export_text_symbolizer()
|
|
{
|
|
using namespace boost::python;
|
|
|
|
class_<text_symbolizer>("TextSymbolizer")
|
|
/*
|
|
// todo - all python classes can have kwargs and default constructors
|
|
class_<text_symbolizer>("TextSymbolizer",
|
|
init<expression_ptr,std::string const&, unsigned,color const&>(
|
|
(
|
|
arg("name"),
|
|
arg("font_face")="DejaVu Sans Book",
|
|
arg("size")=10,
|
|
arg("color")=color("black")
|
|
),
|
|
"Create a TextSymbolizer\n"
|
|
))
|
|
*/
|
|
|
|
//.def_pickle(text_symbolizer_pickle_suite())
|
|
.add_property("placements",
|
|
&text_symbolizer::get_placement_options,
|
|
&text_symbolizer::set_placement_options)
|
|
.add_property("allow_overlap",
|
|
&text_symbolizer::get_allow_overlap,
|
|
&text_symbolizer::set_allow_overlap,
|
|
"Set/get the allow_overlap property of the label")
|
|
.add_property("displacement",
|
|
&get_text_displacement,
|
|
&set_text_displacement)
|
|
.add_property("avoid_edges",
|
|
&text_symbolizer::get_avoid_edges,
|
|
&text_symbolizer::set_avoid_edges,
|
|
"Set/get the avoid_edge property of the label")
|
|
.add_property("character_spacing",
|
|
&text_symbolizer::get_character_spacing,
|
|
&text_symbolizer::set_character_spacing,
|
|
"Set/get the character_spacing property of the label")
|
|
.add_property("face_name",
|
|
make_function(&text_symbolizer::get_face_name,return_value_policy<copy_const_reference>()),
|
|
&text_symbolizer::set_face_name,
|
|
"Set/get the face_name property of the label")
|
|
.add_property("fill",
|
|
make_function(&text_symbolizer::get_fill,return_value_policy<copy_const_reference>()),
|
|
&text_symbolizer::set_fill)
|
|
.add_property("fontset",
|
|
make_function(&text_symbolizer::get_fontset,return_value_policy<copy_const_reference>()),
|
|
&text_symbolizer::set_fontset)
|
|
.add_property("force_odd_labels",
|
|
&text_symbolizer::get_force_odd_labels,
|
|
&text_symbolizer::set_force_odd_labels)
|
|
.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("horizontal_alignment",
|
|
&text_symbolizer::get_horizontal_alignment,
|
|
&text_symbolizer::set_horizontal_alignment,
|
|
"Set/get the horizontal alignment of the label")
|
|
.add_property("justify_alignment",
|
|
&text_symbolizer::get_justify_alignment,
|
|
&text_symbolizer::set_justify_alignment,
|
|
"Set/get the text justification")
|
|
.add_property("label_placement",
|
|
&text_symbolizer::get_label_placement,
|
|
&text_symbolizer::set_label_placement,
|
|
"Set/get the placement of the label")
|
|
.add_property("label_position_tolerance",
|
|
&text_symbolizer::get_label_position_tolerance,
|
|
&text_symbolizer::set_label_position_tolerance)
|
|
.add_property("label_spacing",
|
|
&text_symbolizer::get_label_spacing,
|
|
&text_symbolizer::set_label_spacing)
|
|
.add_property("line_spacing",
|
|
&text_symbolizer::get_line_spacing,
|
|
&text_symbolizer::set_line_spacing)
|
|
.add_property("max_char_angle_delta",
|
|
&text_symbolizer::get_max_char_angle_delta,
|
|
&text_symbolizer::set_max_char_angle_delta)
|
|
.add_property("minimum_distance",
|
|
&text_symbolizer::get_minimum_distance,
|
|
&text_symbolizer::set_minimum_distance)
|
|
.add_property("minimum_padding",
|
|
&text_symbolizer::get_minimum_padding,
|
|
&text_symbolizer::set_minimum_padding)
|
|
.add_property("minimum_path_length",
|
|
&text_symbolizer::get_minimum_path_length,
|
|
&text_symbolizer::set_minimum_path_length)
|
|
.add_property("name",&text_symbolizer::get_name,
|
|
&text_symbolizer::set_name)
|
|
.add_property("opacity",
|
|
&text_symbolizer::get_text_opacity,
|
|
&text_symbolizer::set_text_opacity,
|
|
"Set/get the text opacity")
|
|
.add_property("text_transform",
|
|
&text_symbolizer::get_text_transform,
|
|
&text_symbolizer::set_text_transform,
|
|
"Set/get the text conversion method")
|
|
.add_property("text_ratio",
|
|
&text_symbolizer::get_text_ratio,
|
|
&text_symbolizer::set_text_ratio)
|
|
.add_property("text_size",
|
|
&text_symbolizer::get_text_size,
|
|
&text_symbolizer::set_text_size)
|
|
.add_property("vertical_alignment",
|
|
&text_symbolizer::get_vertical_alignment,
|
|
&text_symbolizer::set_vertical_alignment,
|
|
"Set/get the vertical alignment of the label")
|
|
.add_property("wrap_width",
|
|
&text_symbolizer::get_wrap_width,
|
|
&text_symbolizer::set_wrap_width)
|
|
.add_property("wrap_character",
|
|
&text_symbolizer::get_wrap_char_string,
|
|
&text_symbolizer::set_wrap_char_from_string)
|
|
.add_property("wrap_before",
|
|
&text_symbolizer::get_wrap_before,
|
|
&text_symbolizer::set_wrap_before)
|
|
;
|
|
}
|