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Add python bindings for text_placements and text_placement_info.

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This commit is contained in:
Hermann Kraus 2012-02-03 13:54:49 +01:00
parent 99a58ff2ba
commit a140c9ef40
1 changed files with 54 additions and 0 deletions
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54
bindings/python/mapnik_text_placement.cpp
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@ -66,6 +66,30 @@ struct NodeWrap: formating::node, wrapper<formating::node>
}
};
struct TextPlacementsWrap: text_placements, wrapper<text_placements>
{
text_placement_info_ptr get_placement_info(double scale_factor_, dimension_type dim,
bool has_dimensions_) const
{
return this->get_override("get_placement_info")();
}
};
struct TextPlacementInfoWrap: text_placement_info, wrapper<text_placement_info>
{
TextPlacementInfoWrap(text_placements const* parent,
double scale_factor_, dimension_type dim, bool has_dimensions_)
: text_placement_info(parent, scale_factor_, dim, has_dimensions_)
{
}
bool next()
{
return this->get_override("next")();
}
};
}
void export_text_placement()
@ -126,11 +150,15 @@ void export_text_placement()
.def_readwrite("allow_overlap", &text_symbolizer_properties::allow_overlap)
.def_readwrite("text_ratio", &text_symbolizer_properties::text_ratio)
.def_readwrite("wrap_width", &text_symbolizer_properties::wrap_width)
.def_readwrite("default_format", &text_symbolizer_properties::default_format)
.add_property ("format_tree",
&text_symbolizer_properties::format_tree,
&text_symbolizer_properties::set_format_tree);
/* from_xml, to_xml operate on mapnik's internal XML tree and don't make sense in python.*/
/* TODO: process, get_all_expressions. */
/* set_old_style expression is just a compatibility wrapper and doesn't need to be exposed in python. */
;
class_<char_properties>("CharProperties")
.def_readwrite("face_name", &char_properties::face_name)
.def_readwrite("fontset", &char_properties::fontset)
@ -144,10 +172,36 @@ void export_text_placement()
.def_readwrite("fill", &char_properties::fill)
.def_readwrite("halo_fill", &char_properties::halo_fill)
.def_readwrite("halo_radius", &char_properties::halo_radius)
/* from_xml, to_xml operate on mapnik's internal XML tree and don't make sense in python.*/
;
class_<TextPlacementsWrap, boost::noncopyable>("TextPlacements")
.def_readwrite("defaults", &text_placements::properties)
.def("get_placement_info", pure_virtual(&text_placements::get_placement_info))
/* TODO: get_all expressions. */
;
class_<TextPlacementInfoWrap, boost::noncopyable>("TextPlacementInfo",
init<text_placements const*, double, dimension_type, bool>())
.def("next", pure_virtual(&text_placement_info::next))
.def("get_actual_label_spacing", &text_placement_info::get_actual_label_spacing)
.def("get_actual_minimum_distance", &text_placement_info::get_actual_minimum_distance)
.def("get_actual_minimum_padding", &text_placement_info::get_actual_minimum_padding)
.def_readwrite("properties", &text_placement_info::properties)
.def_readwrite("scale_factor", &text_placement_info::scale_factor)
.def_readwrite("has_dimensions", &text_placement_info::has_dimensions)
.def_readwrite("dimensions", &text_placement_info::dimensions)
.def_readwrite("collect_extents", &text_placement_info::collect_extents)
.def_readwrite("extents", &text_placement_info::extents)
.def_readwrite("additional_boxes", &text_placement_info::additional_boxes)
.def_readwrite("envelopes", &text_placement_info::envelopes)
// .def_readwrite("placements", &text_placement_info::placements)
;
//TODO: Python namespace
class_<NodeWrap, boost::noncopyable>("FormatingNode")
.def("apply", pure_virtual(&formating::node::apply))
;
}