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fix closing segment

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This commit is contained in:
Jiri Drbalek 2016-08-24 11:15:32 +00:00
parent fe007915df
commit 6da9de5739
1 changed files with 8 additions and 1 deletions
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9
include/mapnik/renderer_common/process_building_symbolizer.hpp
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@ -41,6 +41,7 @@ void make_building(geometry::polygon<double> const& poly, double height, F1 cons
const std::unique_ptr<path_type> frame(new path_type(path_type::types::LineString));
const std::unique_ptr<path_type> roof(new path_type(path_type::types::Polygon));
std::deque<segment_t> face_segments;
double ring_begin_x, ring_begin_y;
double x0 = 0;
double y0 = 0;
double x,y;
@ -52,15 +53,21 @@ void make_building(geometry::polygon<double> const& poly, double height, F1 cons
if (cm == SEG_MOVETO)
{
frame->move_to(x,y);
ring_begin_x = x;
ring_begin_y = y;
}
else if (cm == SEG_LINETO)
{
frame->line_to(x,y);
face_segments.push_back(segment_t(x0,y0,x,y));
face_segments.emplace_back(x0,y0,x,y);
}
else if (cm == SEG_CLOSE)
{
frame->close_path();
if (!face_segments.empty())
{
face_segments.emplace_back(x0, y0, ring_begin_x, ring_begin_y);
}
}
x0 = x;
y0 = y;