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[buffer][test] enhance display of pieces

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This commit is contained in:
Barend Gehrels 2014-11-12 13:39:51 +01:00
parent 37519ab36a
commit 4ad1abe80f
1 changed files with 28 additions and 7 deletions
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35
test/algorithms/buffer/test_buffer.hpp
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@ -51,6 +51,22 @@
#include <boost/geometry/io/svg/svg_mapper.hpp>
inline char piece_type_char(bg::strategy::buffer::piece_type const& type)
{
using namespace bg::strategy::buffer;
switch(type)
{
case buffered_segment : return 's';
case buffered_join : return 'j';
case buffered_round_end : return 'r';
case buffered_flat_end : return 'f';
case buffered_point : return 'p';
case buffered_concave : return 'c';
default : return '?';
}
}
template <typename Geometry, typename Mapper, typename RescalePolicy>
void post_map(Geometry const& geometry, Mapper& mapper, RescalePolicy const& rescale_policy)
{
@ -242,13 +258,15 @@ struct svg_visitor
typedef typename bg::point_type<ring_type>::type point_type;
std::ostringstream out;
out << piece.index << "/" << int(piece.type) << "/" << piece.first_seg_id.segment_index << ".." << piece.last_segment_index - 1;
point_type label_point = corner.front();
int const mid_offset = piece.offsetted_count / 2 - 1;
if (mid_offset >= 0 && mid_offset + 1 < corner.size())
out << piece.index << " (" << piece_type_char(piece.type) << ") " << piece.first_seg_id.segment_index << ".." << piece.last_segment_index - 1;
point_type label_point = bg::return_centroid<point_type>(corner);
if ((piece.type == bg::strategy::buffer::buffered_concave
|| piece.type == bg::strategy::buffer::buffered_flat_end)
&& corner.size() >= 2u)
{
bg::set<0>(label_point, (bg::get<0>(corner[mid_offset]) + bg::get<0>(corner[mid_offset + 1])) / 2.0);
bg::set<1>(label_point, (bg::get<1>(corner[mid_offset]) + bg::get<1>(corner[mid_offset + 1])) / 2.0);
bg::set<0>(label_point, (bg::get<0>(corner[0]) + bg::get<0>(corner[1])) / 2.0);
bg::set<1>(label_point, (bg::get<1>(corner[0]) + bg::get<1>(corner[1])) / 2.0);
}
m_mapper.text(label_point, out.str(), "fill:rgb(255,0,0);font-family='Arial';font-size:10px;", 5, 5);
}
@ -305,7 +323,10 @@ struct svg_visitor
//-----------------------------------------------------------------------------
template <typename JoinStrategy>
struct JoinTestProperties { };
struct JoinTestProperties
{
static std::string name() { return "joinunknown"; }
};
template<> struct JoinTestProperties<boost::geometry::strategy::buffer::join_round>
{