CV_IMPL CvSubdiv2D *
cvCreateSubdiv2D( int subdiv_type, int header_size,
int vtx_size, int quadedge_size, CvMemStorage * storage )
{
CvSubdiv2D *subdiv = 0;
CV_FUNCNAME( "cvCleateSubdiv2D" );
__BEGIN__;
if( !storage )
CV_ERROR( CV_StsNullPtr, "" );
if( header_size < (int)sizeof( *subdiv ) ||
quadedge_size < (int)sizeof( CvQuadEdge2D ) ||
vtx_size < (int)sizeof( CvSubdiv2DPoint ))
CV_ERROR_FROM_STATUS( CV_BADSIZE_ERR );
subdiv = (CvSubdiv2D *) cvCreateGraph( subdiv_type, header_size,
vtx_size, quadedge_size, storage );
__END__;
return subdiv;
}
CV_IMPL CvSubdiv2D *
cvCreateSubdiv2D( int subdiv_type, int header_size,
int vtx_size, int quadedge_size, CvMemStorage * storage )
{
if( !storage )
CV_Error( CV_StsNullPtr, "" );
if( header_size < (int)sizeof( CvSubdiv2D ) ||
quadedge_size < (int)sizeof( CvQuadEdge2D ) ||
vtx_size < (int)sizeof( CvSubdiv2DPoint ))
CV_Error( CV_StsBadSize, "" );
return (CvSubdiv2D *)cvCreateGraph( subdiv_type, header_size,
vtx_size, quadedge_size, storage );
}
CV_IMPL CvGraph* cvLinearContorModelFromVoronoiDiagram(CvVoronoiDiagram2D* VoronoiDiagram,
float maxWidth)
{
CvMemStorage* LCMstorage;
CvSet* SiteSet;
CvLCM LCM = {NULL, VoronoiDiagram,NULL,NULL,maxWidth};
CV_FUNCNAME( "cvLinearContorModelFromVoronoiDiagram" );
__BEGIN__;
if( !VoronoiDiagram )
CV_ERROR( CV_StsBadArg,"Voronoi Diagram is not defined" );
if( maxWidth < 0 )
CV_ERROR( CV_StsBadArg,"Treshold parameter must be non negative" );
for(SiteSet = VoronoiDiagram->sites;
SiteSet != NULL;
SiteSet = (CvSet*)SiteSet->h_next)
{
if(SiteSet->v_next)
CV_ERROR( CV_StsBadArg,"Can't operate with multiconnected domains" );
if(SiteSet->total > 70000)
CV_ERROR( CV_StsBadArg,"Can't operate with large domains" );
}
LCMstorage = cvCreateMemStorage(0);
LCM.EdgeStorage = cvCreateChildMemStorage(LCMstorage);
LCM.ContourStorage = cvCreateChildMemStorage(LCMstorage);
LCM.Graph = cvCreateGraph(CV_SEQ_KIND_GRAPH|CV_GRAPH_FLAG_ORIENTED,
sizeof(CvGraph),
sizeof(CvLCMNode),
sizeof(CvLCMEdge),
LCMstorage);
if(!_cvConstructLCM(&LCM))
cvReleaseLinearContorModelStorage(&LCM.Graph);
__END__;
return LCM.Graph;
}//end of cvLinearContorModelFromVoronoiDiagram
