-
Notifications
You must be signed in to change notification settings - Fork 92
Expand file tree
/
Copy pathmapnik_symbolizer.cpp
More file actions
230 lines (207 loc) · 7.94 KB
/
Copy pathmapnik_symbolizer.cpp
File metadata and controls
230 lines (207 loc) · 7.94 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2024 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
*
*****************************************************************************/
// mapnik
#include <mapnik/config.hpp>
#include <mapnik/symbolizer.hpp>
#include <mapnik/symbolizer_hash.hpp>
#include <mapnik/symbolizer_utils.hpp>
#include <mapnik/symbolizer_keys.hpp>
#include <mapnik/symbolizer_enumerations.hpp>
#include <mapnik/image_util.hpp>
#include <mapnik/parse_path.hpp>
#include <mapnik/path_expression.hpp>
#include <mapnik/expression_node.hpp>
#include <mapnik/expression_string.hpp>
#include <mapnik/marker_cache.hpp> // for known_svg_prefix_
#include <mapnik/group/group_layout.hpp>
#include <mapnik/group/group_rule.hpp>
#include <mapnik/group/group_symbolizer_properties.hpp>
#include <mapnik/util/variant.hpp>
#include <mapnik/transform/parse_transform.hpp>
#include <mapnik/transform/transform_processor.hpp>
#include "mapnik_symbolizer.hpp"
//pybind11
#include <pybind11/pybind11.h>
#include <pybind11/operators.h>
#include <pybind11/stl.h>
#include <pybind11/stl_bind.h>
namespace py = pybind11;
using mapnik::symbolizer;
using mapnik::building_symbolizer;
using mapnik::debug_symbolizer;
using mapnik::dot_symbolizer;
using mapnik::group_symbolizer;
using mapnik::point_symbolizer;
using mapnik::line_symbolizer;
using mapnik::line_pattern_symbolizer;
using mapnik::markers_symbolizer;
using mapnik::polygon_symbolizer;
using mapnik::polygon_pattern_symbolizer;
using mapnik::raster_symbolizer;
using mapnik::shield_symbolizer;
using mapnik::text_symbolizer;
using mapnik::symbolizer_base;
using namespace python_mapnik;
namespace {
struct extract_underlying_type_visitor
{
template <typename T>
py::object operator() (T const& sym) const
{
return py::cast(sym);
}
};
inline py::object extract_underlying_type(symbolizer const& sym)
{
return mapnik::util::apply_visitor(extract_underlying_type_visitor(), sym);
}
std::string __str__(mapnik::symbolizer const& sym)
{
return mapnik::util::apply_visitor(mapnik::symbolizer_to_json(), sym);
}
std::string symbolizer_type_name(symbolizer const& sym)
{
return mapnik::symbolizer_name(sym);
}
struct symbolizer_keys_visitor
{
symbolizer_keys_visitor(py::list & keys)
: keys_(keys) {}
template <typename Symbolizer>
void operator() (Symbolizer const& sym) const
{
for (auto const& kv : sym.properties)
{
std::string name = std::get<0>(mapnik::get_meta(kv.first));
keys_.append(name);
}
}
py::list & keys_;
};
struct symbolizer_getitem_visitor
{
using const_iterator = symbolizer_base::cont_type::const_iterator;
symbolizer_getitem_visitor(std::string const& name)
: name_(name) {}
template <typename Symbolizer>
py::object operator() (Symbolizer const& sym) const
{
for (auto const& kv : sym.properties)
{
std::string name = std::get<0>(mapnik::get_meta(kv.first));
if (name == name_)
{
return mapnik::util::apply_visitor(extract_python_object<>(kv.first), std::get<1>(kv));
}
}
throw pybind11::key_error("Invalid property name");
}
std::string const& name_;
};
py::object symbolizer_keys(mapnik::symbolizer const& sym)
{
py::list keys;
mapnik::util::apply_visitor(symbolizer_keys_visitor(keys), sym);
return keys;
}
py::object getitem_impl(mapnik::symbolizer const& sym, std::string const& name)
{
return mapnik::util::apply_visitor(symbolizer_getitem_visitor(name), sym);
}
py::object symbolizer_base_keys(mapnik::symbolizer_base const& sym)
{
py::list keys;
for (auto const& kv : sym.properties)
{
std::string name = std::get<0>(mapnik::get_meta(kv.first));
keys.append(name);
}
return keys;
}
} // namespace
void export_symbolizer(py::module const& m)
{
py::implicitly_convertible<std::string, mapnik::color>();
py::class_<symbolizer>(m, "Symbolizer")
.def(py::init<building_symbolizer>())
.def(py::init<debug_symbolizer>())
.def(py::init<dot_symbolizer>())
.def(py::init<group_symbolizer>())
.def(py::init<point_symbolizer>())
.def(py::init<polygon_symbolizer>())
.def(py::init<polygon_pattern_symbolizer>())
.def(py::init<line_symbolizer>())
.def(py::init<line_pattern_symbolizer>())
.def(py::init<markers_symbolizer>())
.def(py::init<raster_symbolizer>())
.def(py::init<text_symbolizer>())
.def(py::init<shield_symbolizer>())
.def("type_name", symbolizer_type_name)
.def("__hash__", hash_impl)
.def("__getitem__",&getitem_impl)
.def("__getattr__",&getitem_impl)
.def("keys", &symbolizer_keys)
.def("extract", &extract_underlying_type)
.def("__str__", &__str__)
.def("__repr__", &__str__)
.def("to_json", &__str__)
;
py::class_<symbolizer_base>(m, "SymbolizerBase")
//.def("__getitem__",&__getitem__)
//.def("__getattr__",&__getitem__)
.def("keys", &symbolizer_base_keys)
.def(py::self == py::self) // __eq__
.def_property("smooth",
&get_property<symbolizer_base, mapnik::keys::smooth>,
&set_double_property<symbolizer_base, mapnik::keys::smooth>,
"Smoothing value")
.def_property("simplify_tolerance",
&get_property<symbolizer_base, mapnik::keys::simplify_tolerance>,
&set_double_property<symbolizer_base, mapnik::keys::simplify_tolerance>,
"Simplify tolerance")
.def_property("clip",
&get_property<symbolizer_base, mapnik::keys::clip>,
&set_boolean_property<symbolizer_base, mapnik::keys::clip>,
"Clip - False/True")
.def_property("comp_op",
&get<mapnik::composite_mode_e, mapnik::keys::comp_op>,
&set_enum_property<symbolizer_base, mapnik::composite_mode_e, mapnik::keys::comp_op>,
"Composite mode (comp-op)")
.def_property("geometry_transform",
&get_transform<mapnik::keys::geometry_transform>,
&set_transform<mapnik::keys::geometry_transform>,
"Geometry transform")
;
py::implicitly_convertible<point_symbolizer,symbolizer>();
py::implicitly_convertible<line_symbolizer,symbolizer>();
py::implicitly_convertible<line_pattern_symbolizer,symbolizer>();
py::implicitly_convertible<polygon_symbolizer,symbolizer>();
py::implicitly_convertible<building_symbolizer,symbolizer>();
py::implicitly_convertible<polygon_pattern_symbolizer,symbolizer>();
py::implicitly_convertible<raster_symbolizer,symbolizer>();
py::implicitly_convertible<shield_symbolizer,symbolizer>();
py::implicitly_convertible<text_symbolizer,symbolizer>();
py::implicitly_convertible<markers_symbolizer,symbolizer>();
py::implicitly_convertible<group_symbolizer,symbolizer>();
py::implicitly_convertible<dot_symbolizer,symbolizer>();
py::implicitly_convertible<debug_symbolizer,symbolizer>();
}