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 ); }