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Merge pull request #7423 from grahamfyffe:leading_edges

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Vadim Pisarevsky
2016-11-03 11:20:42 +00:00
parent 712fa9a73c 57be99ff18
commit 3dc022ae84
2 changed files with 28 additions and 0 deletions
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modules/imgproc/src/subdivision2d.cpp
+20
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@@ -733,6 +733,26 @@ void Subdiv2D::getEdgeList(std::vector<Vec4f>& edgeList) const
}
}
void Subdiv2D::getLeadingEdgeList(std::vector<int>& leadingEdgeList) const
{
leadingEdgeList.clear();
int i, total = (int)(qedges.size()*4);
std::vector<bool> edgemask(total, false);
for( i = 4; i < total; i += 2 )
{
if( edgemask[i] )
continue;
int edge = i;
edgemask[edge] = true;
edge = getEdge(edge, NEXT_AROUND_LEFT);
edgemask[edge] = true;
edge = getEdge(edge, NEXT_AROUND_LEFT);
edgemask[edge] = true;
leadingEdgeList.push_back(i);
}
}
void Subdiv2D::getTriangleList(std::vector<Vec6f>& triangleList) const
{
triangleList.clear();