void draw_subdiv( IplImage* img, CvSubdiv2D* subdiv,
CvScalar delaunay_color, CvScalar voronoi_color )
{
CvSeqReader reader;
int i, total = subdiv->edges->total;
int elem_size = subdiv->edges->elem_size;
cvStartReadSeq( (CvSeq*)(subdiv->edges), &reader, 0 );
for( i = 0; i < total; i++ )
{
CvQuadEdge2D* edge = (CvQuadEdge2D*)(reader.ptr);
if( CV_IS_SET_ELEM( edge ))
{
draw_subdiv_edge( img, (CvSubdiv2DEdge)edge + 1, voronoi_color );
draw_subdiv_edge( img, (CvSubdiv2DEdge)edge, delaunay_color );
}
CV_NEXT_SEQ_ELEM( elem_size, reader );
}
}
void draw_subdiv( IplImage* img, CvSubdiv2D* subdiv, CvPoint2D32f * unwarped_points, CvPoint2D32f * warped_points, int count, char * status )
{
CvSeqReader reader;
int i, total = subdiv->edges->total;
int elem_size = subdiv->edges->elem_size;
cvStartReadSeq( (CvSeq*)(subdiv->edges), &reader, 0 );
for( i = 0; i < total; i++ )
{
CvQuadEdge2D* edge = (CvQuadEdge2D*)(reader.ptr);
if( CV_IS_SET_ELEM( edge ))
{
// draw_subdiv_edge( img, (CvSubdiv2DEdge)edge + 1, voronoi_color );
draw_subdiv_edge( img, subdiv, (CvSubdiv2DEdge)edge, CV_RGB(0,255,0), unwarped_points, warped_points, count, status );
}
CV_NEXT_SEQ_ELEM( elem_size, reader );
}
}
void locate_point( CvSubdiv2D* subdiv, CvPoint2D32f fp, IplImage* img,
CvScalar active_color )
{
CvSubdiv2DEdge e;
CvSubdiv2DEdge e0 = 0;
CvSubdiv2DPoint* p = 0;
cvSubdiv2DLocate( subdiv, fp, &e0, &p );
if( e0 )
{
e = e0;
do
{
draw_subdiv_edge( img, e, active_color );
e = cvSubdiv2DGetEdge(e,CV_NEXT_AROUND_LEFT);
}
while( e != e0 );
}
draw_subdiv_point( img, fp, active_color );
}
