pixel_position evaluate_displacement(double dx, double dy, directions_e dir)
{
switch (dir)
{
case EXACT_POSITION:
return pixel_position(dx,dy);
break;
case NORTH:
return pixel_position(0,-std::abs(dy));
break;
case EAST:
return pixel_position(std::abs(dx),0);
break;
case SOUTH:
return pixel_position(0,std::abs(dy));
break;
case WEST:
return pixel_position(-std::abs(dx),0);
break;
case NORTHEAST:
return pixel_position(std::abs(dx),-std::abs(dy));
break;
case SOUTHEAST:
return pixel_position(std::abs(dx),std::abs(dy));
break;
case NORTHWEST:
return pixel_position(-std::abs(dx),-std::abs(dy));
break;
case SOUTHWEST:
return pixel_position(-std::abs(dx),std::abs(dy));
break;
}
}
typename const_accessort_t::data_t integrate(const const_accessort_t & image) const
{
typename const_accessort_t::data_t result = 0.0;
ublas::fixed_vector<float_t, SHAPE_DIMENSION> point, normal;
for(size_t i = 0; i < n_points(); ++i)
{
point = (*this)(i, normal);
// explicit cast of floating point values in "vertex" to pixel position!
ublas::fixed_vector<size_t, const_accessort_t::dimension> pixel_position = ublas::fixed_vector<size_t, const_accessort_t::dimension>(point);
bool is_valid_pixel = true;
for(size_t i = 0; i < const_accessort_t::dimension; ++i)
{
if( ! ( pixel_position(i) < image.size()(i) ) )
{
is_valid_pixel = false;
break;
}
}
if(is_valid_pixel)
result += image[pixel_position] * norm_2(normal);
}
return result;
}
box2d<double> placement_finder::get_bbox(text_layout const& layout, glyph_info const& glyph, pixel_position const& pos, rotation const& rot)
{
/*
(0/ymax) (width/ymax)
***************
* *
(0/0)* *
* *
***************
(0/ymin) (width/ymin)
Add glyph offset in y direction, but not in x direction (as we use the full cluster width anyways)!
*/
double width = layout.cluster_width(glyph.char_index);
if (glyph.advance() <= 0) width = -width;
pixel_position tmp, tmp2;
tmp.set(0, glyph.ymax());
tmp = tmp.rotate(rot);
tmp2.set(width, glyph.ymax());
tmp2 = tmp2.rotate(rot);
box2d<double> bbox(tmp.x, -tmp.y,
tmp2.x, -tmp2.y);
tmp.set(width, glyph.ymin());
tmp = tmp.rotate(rot);
bbox.expand_to_include(tmp.x, -tmp.y);
tmp.set(0, glyph.ymin());
tmp = tmp.rotate(rot);
bbox.expand_to_include(tmp.x, -tmp.y);
pixel_position pos2 = pos + pixel_position(0, glyph.offset.y).rotate(rot);
bbox.move(pos2.x , -pos2.y);
return bbox;
}
// arrange group members in x horizontal pairs of 2,
// one to the left and one to the right of center in each pair
void operator()(pair_layout const& layout) const
{
member_offsets_.resize(member_boxes_.size());
double y_margin = layout.get_item_margin();
double x_margin = y_margin / 2.0;
if (member_boxes_.size() == 1)
{
member_offsets_[0] = pixel_position(0, 0) - input_origin_;
return;
}
auto max_diff = layout.get_max_difference();
auto layout_box = make_horiz_pair(0, 0.0, 0, x_margin, max_diff);
auto y_shift = 0.5 * layout_box.height();
for (size_t i = 2; i < member_boxes_.size(); i += 2)
{
auto y = layout_box.maxy() + y_margin;
auto pair_box = make_horiz_pair(i, y, 1, x_margin, max_diff);
layout_box.expand_to_include(pair_box);
}
// layout_box.center corresponds to the center of the first row;
// shift offsets so that the whole group is centered vertically
y_shift -= 0.5 * layout_box.height();
for (auto & offset : member_offsets_)
{
offset.y += y_shift;
}
}
pixel_position shield_symbolizer_helper<FaceManagerT, DetectorT>::get_marker_position(text_path const& p)
{
position const& pos = placement_->properties.displacement;
if (placement_->properties.label_placement == LINE_PLACEMENT) {
double lx = p.center.x - pos.first;
double ly = p.center.y - pos.second;
double px = lx - 0.5*marker_w_;
double py = ly - 0.5*marker_h_;
marker_ext_.re_center(lx, ly);
//label is added to detector by get_line_placement(), but marker isn't
detector_.insert(marker_ext_);
return pixel_position(px, py);
} else {
//collision_detector is already updated for point placement in get_point_placement()
return pixel_position(marker_x_, marker_y_);
}
}
void add_path(T & path)
{
marker_placement_enum placement_method = get<marker_placement_enum>(
sym_, keys::markers_placement_type, feature_, vars_, MARKER_POINT_PLACEMENT);
bool ignore_placement = get<bool>(sym_, keys::ignore_placement, feature_, vars_, false);
bool allow_overlap = get<bool>(sym_, keys::allow_overlap, feature_, vars_, false);
double opacity = get<double>(sym_, keys::opacity, feature_, vars_, 1.0);
double spacing = get<double>(sym_, keys::spacing, feature_, vars_, 100.0);
double max_error = get<double>(sym_, keys::max_error, feature_, vars_, 0.2);
coord2d center = bbox_.center();
agg::trans_affine_translation recenter(-center.x, -center.y);
agg::trans_affine tr = recenter * marker_trans_;
markers_placement_finder<T, label_collision_detector4> placement_finder(
placement_method,
path,
bbox_,
tr,
detector_,
spacing * scale_factor_,
max_error,
allow_overlap);
double x, y, angle = .0;
while (placement_finder.get_point(x, y, angle, ignore_placement))
{
agg::trans_affine matrix = tr;
matrix.rotate(angle);
matrix.translate(x, y);
render_vector_marker(
ctx_,
pixel_position(x, y),
marker_,
bbox_,
attributes_,
matrix,
opacity,
false);
}
}
float_t integrate_vector_field
(const const_vector_accessor_t & vector_field) const
{
float_t result = 0.0;
ublas::fixed_vector<float_t, SHAPE_DIMENSION> point, normal;
for(size_t i = 0; i < n_points(); ++i)
{
point = (*this)(i, normal);
// explicit cast of floating point values in "vertex" to pixel position!
ublas::fixed_vector<size_t, const_vector_accessor_t::dimension> pixel_position = ublas::fixed_vector<size_t, const_vector_accessor_t::dimension>(point);
bool is_valid_pixel = true;
for(size_t i = 0; i < const_vector_accessor_t::dimension; ++i)
{
if( ! ( pixel_position(i) < vector_field.size()(i) ) )
{
is_valid_pixel = false;
break;
}
}
if(is_valid_pixel)
// Note: unit normal * tangential speed = normal
result += inner_prod(vector_field[pixel_position], normal);
else
{
ublas::fixed_vector<float_t, SHAPE_DIMENSION> value;
boundary_discretizer_impl::compute_zero_extension(vector_field, point, value);
result += inner_prod(value, normal);
}
}
return result;
}
bool placement_finder::find_point_placement(pixel_position const& pos)
{
glyph_positions_ptr glyphs = std::make_shared<glyph_positions>();
std::vector<box2d<double> > bboxes;
glyphs->reserve(layouts_.glyphs_count());
bboxes.reserve(layouts_.size());
bool base_point_set = false;
for (auto const& layout_ptr : layouts_)
{
text_layout const& layout = *layout_ptr;
rotation const& orientation = layout.orientation();
// Find text origin.
pixel_position layout_center = pos + layout.displacement();
if (!base_point_set)
{
glyphs->set_base_point(layout_center);
base_point_set = true;
}
box2d<double> bbox = layout.bounds();
bbox.re_center(layout_center.x, layout_center.y);
/* For point placements it is faster to just check the bounding box. */
if (collision(bbox, layouts_.text(), false)) return false;
if (layout.num_lines()) bboxes.push_back(std::move(bbox));
pixel_position layout_offset = layout_center - glyphs->get_base_point();
layout_offset.y = -layout_offset.y;
// IMPORTANT NOTE:
// x and y are relative to the center of the text
// coordinate system:
// x: grows from left to right
// y: grows from bottom to top (opposite of normal computer graphics)
double x, y;
// set for upper left corner of text envelope for the first line, top left of first character
y = layout.height() / 2.0;
for ( auto const& line : layout)
{
y -= line.height(); //Automatically handles first line differently
x = layout.jalign_offset(line.width());
for (auto const& glyph : line)
{
// place the character relative to the center of the string envelope
glyphs->emplace_back(glyph, (pixel_position(x, y).rotate(orientation)) + layout_offset, orientation);
if (glyph.advance())
{
//Only advance if glyph is not part of a multiple glyph sequence
x += glyph.advance() + glyph.format->character_spacing * scale_factor_;
}
}
}
}
// add_marker first checks for collision and then updates the detector.
if (has_marker_ && !add_marker(glyphs, pos)) return false;
for (box2d<double> const& bbox : bboxes)
{
detector_.insert(bbox, layouts_.text());
}
placements_.push_back(glyphs);
return true;
}
void base_symbolizer_helper::initialize_points()
{
label_placement_enum how_placed = placement_->properties.label_placement;
if (how_placed == LINE_PLACEMENT)
{
point_placement_ = false;
return;
}
else
{
point_placement_ = true;
}
double label_x=0.0;
double label_y=0.0;
double z=0.0;
for (auto * geom_ptr : geometries_to_process_)
{
geometry_type const& geom = *geom_ptr;
if (how_placed == VERTEX_PLACEMENT)
{
geom.rewind(0);
for(unsigned i = 0; i < geom.size(); ++i)
{
geom.vertex(&label_x, &label_y);
prj_trans_.backward(label_x, label_y, z);
t_.forward(&label_x, &label_y);
points_.push_back(pixel_position(label_x, label_y));
}
}
else
{
// https://github.com/mapnik/mapnik/issues/1423
bool success = false;
// https://github.com/mapnik/mapnik/issues/1350
if (geom.type() == geometry_type::types::LineString)
{
success = label::middle_point(geom, label_x,label_y);
}
else if (how_placed == POINT_PLACEMENT)
{
success = label::centroid(geom, label_x, label_y);
}
else if (how_placed == INTERIOR_PLACEMENT)
{
success = label::interior_position(geom, label_x, label_y);
}
else
{
MAPNIK_LOG_ERROR(symbolizer_helpers) << "ERROR: Unknown placement type in initialize_points()";
}
if (success)
{
prj_trans_.backward(label_x, label_y, z);
t_.forward(&label_x, &label_y);
points_.push_back(pixel_position(label_x, label_y));
}
}
}
point_itr_ = points_.begin();
}
void cairo_context::add_text(glyph_positions const& pos,
cairo_face_manager & manager,
composite_mode_e comp_op,
composite_mode_e halo_comp_op,
double scale_factor)
{
pixel_position const& base_point = pos.get_base_point();
const double sx = base_point.x;
const double sy = base_point.y;
for (auto const& glyph_pos : pos)
{
glyph_info const& glyph = glyph_pos.glyph;
glyph.face->set_character_sizes(glyph.format->text_size * scale_factor);
}
//render halo
double halo_radius = 0;
set_operator(halo_comp_op);
for (auto const& glyph_pos : pos)
{
glyph_info const& glyph = glyph_pos.glyph;
halo_radius = glyph.format->halo_radius * scale_factor;
// make sure we've got reasonable values.
if (halo_radius <= 0.0 || halo_radius > 1024.0) continue;
double text_size = glyph.format->text_size * scale_factor;
cairo_matrix_t matrix;
matrix.xx = text_size * glyph_pos.rot.cos;
matrix.xy = text_size * glyph_pos.rot.sin;
matrix.yx = text_size * -glyph_pos.rot.sin;
matrix.yy = text_size * glyph_pos.rot.cos;
matrix.x0 = 0;
matrix.y0 = 0;
set_font_matrix(matrix);
set_font_face(manager, glyph.face);
pixel_position new_pos = glyph_pos.pos + glyph.offset.rotate(glyph_pos.rot);
glyph_path(glyph.glyph_index, pixel_position(sx + new_pos.x, sy - new_pos.y));
set_line_width(2.0 * halo_radius);
set_line_join(ROUND_JOIN);
set_color(glyph.format->halo_fill, glyph.format->halo_opacity);
stroke();
}
set_operator(comp_op);
for (auto const& glyph_pos : pos)
{
glyph_info const& glyph = glyph_pos.glyph;
double text_size = glyph.format->text_size * scale_factor;
cairo_matrix_t matrix;
matrix.xx = text_size * glyph_pos.rot.cos;
matrix.xy = text_size * glyph_pos.rot.sin;
matrix.yx = text_size * -glyph_pos.rot.sin;
matrix.yy = text_size * glyph_pos.rot.cos;
matrix.x0 = 0;
matrix.y0 = 0;
set_font_matrix(matrix);
set_font_face(manager, glyph.face);
pixel_position new_pos = glyph_pos.pos + glyph.offset.rotate(glyph_pos.rot);
set_color(glyph.format->fill, glyph.format->text_opacity);
show_glyph(glyph.glyph_index, pixel_position(sx + new_pos.x, sy - new_pos.y));
}
}
bool placement_finder::find_point_placement(pixel_position const& pos)
{
glyph_positions_ptr glyphs = std::make_shared<glyph_positions>();
std::vector<box2d<double> > bboxes;
glyphs->reserve(layouts_.glyphs_count());
bboxes.reserve(layouts_.size());
box2d<double> bbox;
double max_line_width = 0.0;
double first_line_height = -1.0;
bool base_point_set = false;
for (auto const& layout_ptr : layouts_)
{
text_layout const& layout = *layout_ptr;
rotation const& orientation = layout.orientation();
// Find text origin.
pixel_position layout_center = pos + layout.displacement();
if (!base_point_set)
{
glyphs->set_base_point(layout_center);
base_point_set = true;
}
bbox = layout.bounds();
bbox.re_center(layout_center.x, layout_center.y);
/* For point placements it is faster to just check the bounding box. */
if (collision(bbox, layouts_.text(), false)) return false;
if (layout.num_lines()) bboxes.push_back(std::move(bbox));
pixel_position layout_offset = layout_center - glyphs->get_base_point();
layout_offset.y = -layout_offset.y;
// IMPORTANT NOTE:
// x and y are relative to the center of the text
// coordinate system:
// x: grows from left to right
// y: grows from bottom to top (opposite of normal computer graphics)
double x, y;
// set for upper left corner of text envelope for the first line, top left of first character
y = layout.height() / 2.0;
for ( auto const& line : layout)
{
y -= line.height(); //Automatically handles first line differently
x = layout.jalign_offset(line.width());
if(line.width() > max_line_width)
{
max_line_width = line.width();
}
if(first_line_height <= 0.0 )
{
first_line_height = line.line_height() / scale_factor_;
}
for (auto const& glyph : line)
{
// place the character relative to the center of the string envelope
glyphs->emplace_back(glyph, (pixel_position(x, y).rotate(orientation)) + layout_offset, orientation);
if (glyph.advance())
{
//Only advance if glyph is not part of a multiple glyph sequence
x += glyph.advance() + glyph.format->character_spacing * scale_factor_;
}
}
}
}
// add_marker first checks for collision and then updates the detector.
if (has_marker_ )
{
agg::trans_affine placement_tr;
if(text_props_->fit_marker && glyphs->size() > 0)
{
double padding = 0.1;
double width_scale = bbox.width() / marker_box_.width() + 2*padding; // 2 because the text is being padded on both sides.
double heigh_scale = bbox.height() / marker_box_.height() + 2*padding; // 2 because the text is being padded on both sides.
placement_tr.scale(width_scale, heigh_scale);
//now we will need to shift the bbox it will fit the padding
placement_tr.translate(- padding, - padding );
}
if(!add_marker(glyphs, pos, false, placement_tr))
{
return false;
}
}
for (box2d<double> const& bbox : bboxes)
{
detector_.insert(bbox, layouts_.text());
}
placements_.push_back(glyphs);
return true;
}
pixel_position operator~() const
{
return pixel_position(x, -y);
}
pixel_position operator- (pixel_position const& other) const
{
return pixel_position(x - other.x, y - other.y);
}
pixel_position pixel_position::rotate(rotation const& rot) const
{
return pixel_position(x * rot.cos - y * rot.sin, x * rot.sin + y * rot.cos);
}
void render_point_symbolizer(point_symbolizer const &sym,
mapnik::feature_impl &feature,
proj_transform const &prj_trans,
RendererType &common,
F render_marker)
{
std::string filename = get<std::string,keys::file>(sym,feature, common.vars_);
std::shared_ptr<mapnik::marker const> mark = filename.empty()
? std::make_shared<mapnik::marker const>(mapnik::marker_rgba8())
: marker_cache::instance().find(filename, true);
if (!mark->is<mapnik::marker_null>())
{
value_double opacity = get<value_double,keys::opacity>(sym, feature, common.vars_);
value_bool allow_overlap = get<value_bool, keys::allow_overlap>(sym, feature, common.vars_);
value_bool ignore_placement = get<value_bool, keys::ignore_placement>(sym, feature, common.vars_);
point_placement_enum placement= get<point_placement_enum, keys::point_placement_type>(sym, feature, common.vars_);
box2d<double> const& bbox = mark->bounding_box();
coord2d center = bbox.center();
agg::trans_affine tr;
auto image_transform = get_optional<transform_type>(sym, keys::image_transform);
if (image_transform) evaluate_transform(tr, feature, common.vars_, *image_transform, common.scale_factor_);
agg::trans_affine_translation recenter(-center.x, -center.y);
agg::trans_affine recenter_tr = recenter * tr;
box2d<double> label_ext = bbox * recenter_tr * agg::trans_affine_scaling(common.scale_factor_);
mapnik::geometry::geometry<double> const& geometry = feature.get_geometry();
mapnik::geometry::point<double> pt;
geometry::geometry_types type = geometry::geometry_type(geometry);
if (placement == CENTROID_POINT_PLACEMENT ||
type == geometry::geometry_types::Point ||
type == geometry::geometry_types::MultiPoint)
{
if (!geometry::centroid(geometry, pt)) return;
}
else if (type == mapnik::geometry::geometry_types::Polygon)
{
auto const& poly = mapnik::util::get<geometry::polygon<double> >(geometry);
geometry::polygon_vertex_adapter<double> va(poly);
if (!label::interior_position(va ,pt.x, pt.y))
return;
}
else
{
MAPNIK_LOG_WARN(point_symbolizer) << "TODO: unhandled geometry type for point symbolizer";
return;
}
double x = pt.x;
double y = pt.y;
double z = 0;
prj_trans.backward(x,y,z);
common.t_.forward(&x,&y);
label_ext.re_center(x,y);
if (allow_overlap ||
common.detector_->has_placement(label_ext))
{
render_marker(pixel_position(x, y),
*mark,
tr,
opacity);
if (!ignore_placement)
common.detector_->insert(label_ext);
}
}
}
pixel_position operator+ (pixel_position const& other) const
{
return pixel_position(x + other.x, y + other.y);
}
void agg_renderer<T>::process(point_symbolizer const& sym,
mapnik::feature_ptr const& feature,
proj_transform const& prj_trans)
{
std::string filename = path_processor_type::evaluate(*sym.get_filename(), *feature);
boost::optional<mapnik::marker_ptr> marker;
if ( !filename.empty() )
{
marker = marker_cache::instance()->find(filename, true);
}
else
{
marker.reset(boost::make_shared<mapnik::marker>());
}
if (marker)
{
double w = (*marker)->width();
double h = (*marker)->height();
agg::trans_affine tr;
boost::array<double,6> const& m = sym.get_transform();
tr.load_from(&m[0]);
double px0 = - 0.5 * w;
double py0 = - 0.5 * h;
double px1 = 0.5 * w;
double py1 = 0.5 * h;
double px2 = px1;
double py2 = py0;
double px3 = px0;
double py3 = py1;
tr.transform(&px0,&py0);
tr.transform(&px1,&py1);
tr.transform(&px2,&py2);
tr.transform(&px3,&py3);
box2d<double> label_ext (px0, py0, px1, py1);
label_ext.expand_to_include(px2, py2);
label_ext.expand_to_include(px3, py3);
for (unsigned i=0; i<feature->num_geometries(); ++i)
{
geometry_type const& geom = feature->get_geometry(i);
double x;
double y;
double z=0;
if (sym.get_point_placement() == CENTROID_POINT_PLACEMENT)
geom.label_position(&x, &y);
else
geom.label_interior_position(&x, &y);
prj_trans.backward(x,y,z);
t_.forward(&x,&y);
label_ext.re_center(x,y);
if (sym.get_allow_overlap() ||
detector_->has_placement(label_ext))
{
render_marker(pixel_position(x - 0.5 * w, y - 0.5 * h) ,**marker,tr, sym.get_opacity());
if (!sym.get_ignore_placement())
detector_->insert(label_ext);
metawriter_with_properties writer = sym.get_metawriter();
if (writer.first) writer.first->add_box(label_ext, *feature, t_, writer.second);
}
}
}
}
pixel_position operator* (double other) const
{
return pixel_position(x * other, y * other);
}
void agg_renderer<T>::process(point_symbolizer const& sym,
mapnik::feature_impl & feature,
proj_transform const& prj_trans)
{
std::string filename = path_processor_type::evaluate(*sym.get_filename(), feature);
boost::optional<mapnik::marker_ptr> marker;
if ( !filename.empty() )
{
marker = marker_cache::instance()->find(filename, true);
}
else
{
marker.reset(boost::make_shared<mapnik::marker>());
}
if (marker)
{
box2d<double> const& bbox = (*marker)->bounding_box();
coord2d center = bbox.center();
agg::trans_affine tr;
evaluate_transform(tr, feature, sym.get_image_transform());
agg::trans_affine_translation recenter(-center.x, -center.y);
agg::trans_affine recenter_tr = recenter * tr;
box2d<double> label_ext = bbox * recenter_tr;
for (unsigned i=0; i<feature.num_geometries(); ++i)
{
geometry_type const& geom = feature.get_geometry(i);
double x;
double y;
double z=0;
if (sym.get_point_placement() == CENTROID_POINT_PLACEMENT)
{
if (!label::centroid(geom, x, y))
return;
}
else
{
if (!label::interior_position(geom ,x, y))
return;
}
prj_trans.backward(x,y,z);
t_.forward(&x,&y);
label_ext.re_center(x,y);
if (sym.get_allow_overlap() ||
detector_->has_placement(label_ext))
{
render_marker(pixel_position(x, y),
**marker,
tr,
sym.get_opacity(),
sym.comp_op());
if (!sym.get_ignore_placement())
detector_->insert(label_ext);
}
}
}
}
inline pixel_position operator* (double factor, pixel_position const& pos)
{
return pixel_position(factor * pos.x, factor * pos.y);
}
void render_point_symbolizer(point_symbolizer const &sym,
mapnik::feature_impl &feature,
proj_transform const &prj_trans,
RendererType &common,
F render_marker)
{
std::string filename = get<std::string>(sym, keys::file, feature, common.vars_);
boost::optional<mapnik::marker_ptr> marker = filename.empty()
? std::make_shared<mapnik::marker>()
: marker_cache::instance().find(filename, true);
if (marker)
{
double opacity = get<double>(sym,keys::opacity,feature, common.vars_, 1.0);
bool allow_overlap = get<bool>(sym, keys::allow_overlap, feature, common.vars_, false);
bool ignore_placement = get<bool>(sym, keys::ignore_placement, feature, common.vars_, false);
point_placement_enum placement= get<point_placement_enum>(sym, keys::point_placement_type, feature, common.vars_, CENTROID_POINT_PLACEMENT);
box2d<double> const& bbox = (*marker)->bounding_box();
coord2d center = bbox.center();
agg::trans_affine tr;
auto image_transform = get_optional<transform_type>(sym, keys::image_transform);
if (image_transform) evaluate_transform(tr, feature, common.vars_, *image_transform);
agg::trans_affine_translation recenter(-center.x, -center.y);
agg::trans_affine recenter_tr = recenter * tr;
box2d<double> label_ext = bbox * recenter_tr * agg::trans_affine_scaling(common.scale_factor_);
for (std::size_t i=0; i<feature.num_geometries(); ++i)
{
geometry_type const& geom = feature.get_geometry(i);
double x;
double y;
double z=0;
if (placement == CENTROID_POINT_PLACEMENT)
{
if (!label::centroid(geom, x, y))
return;
}
else
{
if (!label::interior_position(geom ,x, y))
return;
}
prj_trans.backward(x,y,z);
common.t_.forward(&x,&y);
label_ext.re_center(x,y);
if (allow_overlap ||
common.detector_->has_placement(label_ext))
{
render_marker(pixel_position(x, y),
**marker,
tr,
opacity);
if (!ignore_placement)
common.detector_->insert(label_ext);
}
}
}
}
