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/*****************************************************************************
*
* 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)
{
position pos = t.get_displacement();
return boost::python::make_tuple(boost::get<0>(pos),boost::get<1>(pos));
}
void set_text_displacement(text_symbolizer & t, boost::python::tuple arg)
{
t.set_displacement(extract<double>(arg[0]),extract<double>(arg[1]));
}
tuple get_anchor(const text_symbolizer& t)
{
position pos = t.get_anchor();
return boost::python::make_tuple(boost::get<0>(pos),boost::get<1>(pos));
}
void set_anchor(text_symbolizer & t, boost::python::tuple arg)
{
t.set_anchor(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);
boost::python::tuple anchor = get_anchor(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(),
anchor,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]));
tuple anch = extract<tuple>(state[10]);
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[11]));
t.set_max_char_angle_delta(extract<double>(state[12]));
list extras = extract<list>(state[13]);
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;
enumeration_<label_placement_e>("label_placement")
.value("LINE_PLACEMENT",LINE_PLACEMENT)
.value("POINT_PLACEMENT",POINT_PLACEMENT)
.value("VERTEX_PLACEMENT",VERTEX_PLACEMENT)
.value("INTERIOR_PLACEMENT",INTERIOR_PLACEMENT)
;
enumeration_<vertical_alignment_e>("vertical_alignment")
.value("TOP",V_TOP)
.value("MIDDLE",V_MIDDLE)
.value("BOTTOM",V_BOTTOM)
.value("AUTO",V_AUTO)
;
enumeration_<horizontal_alignment_e>("horizontal_alignment")
.value("LEFT",H_LEFT)
.value("MIDDLE",H_MIDDLE)
.value("RIGHT",H_RIGHT)
;
enumeration_<justify_alignment_e>("justify_alignment")
.value("LEFT",J_LEFT)
.value("MIDDLE",J_MIDDLE)
.value("RIGHT",J_RIGHT)
;
enumeration_<text_transform_e>("text_transform")
.value("NONE",NONE)
.value("UPPERCASE",UPPERCASE)
.value("LOWERCASE",LOWERCASE)
.value("CAPITALIZE",CAPITALIZE)
;
class_<text_symbolizer>("TextSymbolizer",init<expression_ptr,std::string const&, unsigned,color const&>())
/*
// 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("anchor",
&get_anchor,
&set_anchor)
.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)
;
}
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