2415 cvDrawContours( void*  img,  CvSeq*  contour,  in cvDrawContours()  argument
2420     CvSeq *contour0 = contour, *h_next = 0;  in cvDrawContours()
2440     if( !contour )  in cvDrawContours()
2454         h_next = contour->h_next;  in cvDrawContours()
2455         contour->h_next = 0;  in cvDrawContours()
2461         if( contour->storage )  in cvDrawContours()
2462             st = cvCreateChildMemStorage( contour->storage );  in cvDrawContours()
2471     cvInitTreeNodeIterator( &iterator, contour, maxLevel );  in cvDrawContours()
2473     while( (contour = (CvSeq*)cvNextTreeNode( &iterator )) != 0 )  in cvDrawContours()
2476         int i, count = contour->total;  in cvDrawContours()
2477         int elem_type = CV_MAT_TYPE(contour->flags);  in cvDrawContours()
2478         void* clr = (contour->flags & CV_SEQ_FLAG_HOLE) == 0 ? ext_buf : hole_buf;  in cvDrawContours()
2480         cvStartReadSeq( contour, &reader, 0 );  in cvDrawContours()
2482         if( CV_IS_SEQ_CHAIN_CONTOUR( contour ))  in cvDrawContours()
2484             CvPoint pt = ((CvChain*)contour)->origin;  in cvDrawContours()
2525                 icvThickLine( mat, prev_pt, ((CvChain*)contour)->origin,  in cvDrawContours()
2535         else if( CV_IS_SEQ_POLYLINE( contour ))  in cvDrawContours()
2542                 count -= !CV_IS_SEQ_CLOSED(contour);  in cvDrawContours()
2579                 CV_CALL( icvCollectPolyEdges( mat, contour, edges, ext_buf, line_type, 0, offset ));  in cvDrawContours()