/// <summary>
///
/// </summary>
/// <param name="subdiv"></param>
/// <param name="img"></param>
private void PaintVoronoi(CvSubdiv2D subdiv, IplImage img)
{
CvSeqReader reader = new CvSeqReader();
int total = subdiv.Edges.Total;
int elem_size = subdiv.Edges.ElemSize;
subdiv.CalcVoronoi2D();
subdiv.Edges.StartRead(reader, false);
for (int i = 0; i < total; i++)
{
CvQuadEdge2D edge = CvQuadEdge2D.FromSeqReader(reader);
//CvQuadEdge2D edge = CvQuadEdge2D.FromPtr(reader.Ptr);
if (Cv.IS_SET_ELEM(edge))
{
CvSubdiv2DEdge e = edge.ToCvSubdiv2DEdge();
// left
DrawSubdivFacet(img, e.RotateEdge(RotateEdgeFlag.Rotate));
// right
DrawSubdivFacet(img, e.RotateEdge(RotateEdgeFlag.ReverseRotate));
}
reader.NextSeqElem(elem_size);
//Cv.NEXT_SEQ_ELEM(elem_size, reader);
}
}
/// <summary>
///
/// </summary>
/// <param name="img"></param>
/// <param name="subdiv"></param>
/// <param name="delaunay_color"></param>
/// <param name="voronoi_color"></param>
private void DrawSubdiv(IplImage img, CvSubdiv2D subdiv, CvColor delaunay_color, CvColor voronoi_color)
{
CvSeqReader reader = new CvSeqReader();
int total = subdiv.Edges.Total;
int elem_size = subdiv.Edges.ElemSize;
subdiv.Edges.StartRead(reader, false);
for (int i = 0; i < total; i++)
{
//CvQuadEdge2D edge = (CvQuadEdge2D)reader.CvPtr;
CvQuadEdge2D edge = CvQuadEdge2D.FromSeqReader(reader);
if (Cv.IS_SET_ELEM(edge))
{
DrawSubdivEdge(img, (CvSubdiv2DEdge)edge + 1, voronoi_color);
DrawSubdivEdge(img, (CvSubdiv2DEdge)edge, delaunay_color);
}
//reader.NextSeqElem(elem_size);
Cv.NEXT_SEQ_ELEM(elem_size, reader);
}
}
