text_symbolizer_helper<FaceManagerT, DetectorT>::text_symbolizer_helper(text_symbolizer const& sym,
feature_impl const& feature,
proj_transform const& prj_trans,
unsigned width,
unsigned height,
double scale_factor,
CoordTransform const& t,
FaceManagerT &font_manager,
DetectorT &detector,
box2d<double> const& query_extent)
: sym_(sym),
feature_(feature),
prj_trans_(prj_trans),
t_(t),
font_manager_(font_manager),
detector_(detector),
dims_(0, 0, width, height),
query_extent_(query_extent),
text_(font_manager, scale_factor),
angle_(0.0),
placement_valid_(false),
points_on_line_(false),
finder_(0)
{
initialize_geometries();
if (!geometries_to_process_.size()) return;
placement_ = sym_.get_placement_options()->get_placement_info(scale_factor);
next_placement();
initialize_points();
}
base_symbolizer_helper::base_symbolizer_helper(
symbolizer_base const& sym,
feature_impl const& feature,
attributes const& vars,
proj_transform const& prj_trans,
unsigned width, unsigned height, double scale_factor,
CoordTransform const& t,
box2d<double> const& query_extent)
: sym_(sym),
feature_(feature),
vars_(vars),
prj_trans_(prj_trans),
t_(t),
dims_(0, 0, width, height),
query_extent_(query_extent),
scale_factor_(scale_factor),
clipped_(get<bool>(sym_, keys::clip, feature_, vars_, false)),
placement_(get<text_placements_ptr>(sym_, keys::text_placements_)->get_placement_info(scale_factor))
{
initialize_geometries();
if (!geometries_to_process_.size()) return; // FIXME - bad practise
initialize_points();
}
base_symbolizer_helper::base_symbolizer_helper(
symbolizer_base const& sym,
feature_impl const& feature,
attributes const& vars,
proj_transform const& prj_trans,
unsigned width, unsigned height, double scale_factor,
view_transform const& t,
box2d<double> const& query_extent)
: sym_(sym),
feature_(feature),
vars_(vars),
prj_trans_(prj_trans),
t_(t),
dims_(0, 0, width, height),
query_extent_(query_extent),
scale_factor_(scale_factor),
info_ptr_(mapnik::get<text_placements_ptr>(sym_, keys::text_placements_)->get_placement_info(scale_factor,feature_,vars_)),
text_props_(evaluate_text_properties(info_ptr_->properties,feature_,vars_))
{
initialize_geometries();
if (!geometries_to_process_.size()) return; // FIXME - bad practise
initialize_points();
}