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Attempt to fix a scanline issue.

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This commit is contained in:
Matthias Koefferlein
2018-07-22 18:49:17 +02:00
parent b10c64907a
commit efd9e47c1f
4 changed files with 161 additions and 6 deletions
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src/db/unit_tests/dbEdgeProcessor.cc
+28
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@@ -2386,3 +2386,31 @@ TEST(134)
EXPECT_EQ (out.size (), size_t (0));
}
TEST(135)
{
db::EdgeProcessor ep;
db::Point pts[] = {
db::Point (0, 0),
db::Point (19, 19),
db::Point (19, 18),
db::Point (43, 32),
db::Point (37, 27)
};
db::Polygon p;
p.assign_hull (&pts[0], &pts[sizeof(pts) / sizeof(pts[0])]);
p.size (-2, -2, 2);
ep.insert (p);
// merge the resulting polygons to get the true outer contour
std::vector<db::Polygon> out;
db::PolygonContainer pc (out);
db::PolygonGenerator pg2 (pc, false /*don't resolve holes*/, true /*min. coherence*/);
db::SimpleMerge op (1 /*wc>0*/);
ep.process (pg2, op);
EXPECT_EQ (out.size (), size_t (0));
}