CV_IMPL void
cvInitSubdivDelaunay2D( CvSubdiv2D * subdiv, CvRect rect )
{
float big_coord = 3.f * MAX( rect.width, rect.height );
CvPoint2D32f ppA, ppB, ppC;
CvSubdiv2DPoint *pA, *pB, *pC;
CvSubdiv2DEdge edge_AB, edge_BC, edge_CA;
float rx = (float) rect.x;
float ry = (float) rect.y;
CV_FUNCNAME( "cvSubdivDelaunay2DInit" );
__BEGIN__;
if( !subdiv )
CV_ERROR( CV_StsNullPtr, "" );
cvClearSet( (CvSet *) (subdiv->edges) );
cvClearSet( (CvSet *) subdiv );
subdiv->quad_edges = 0;
subdiv->recent_edge = 0;
subdiv->is_geometry_valid = 0;
subdiv->topleft = cvPoint2D32f( rx, ry );
subdiv->bottomright = cvPoint2D32f( rx + rect.width, ry + rect.height );
ppA = cvPoint2D32f( rx + big_coord, ry );
ppB = cvPoint2D32f( rx, ry + big_coord );
ppC = cvPoint2D32f( rx - big_coord, ry - big_coord );
pA = cvSubdiv2DAddPoint( subdiv, ppA, 0 );
pB = cvSubdiv2DAddPoint( subdiv, ppB, 0 );
pC = cvSubdiv2DAddPoint( subdiv, ppC, 0 );
edge_AB = cvSubdiv2DMakeEdge( subdiv );
edge_BC = cvSubdiv2DMakeEdge( subdiv );
edge_CA = cvSubdiv2DMakeEdge( subdiv );
cvSubdiv2DSetEdgePoints( edge_AB, pA, pB );
cvSubdiv2DSetEdgePoints( edge_BC, pB, pC );
cvSubdiv2DSetEdgePoints( edge_CA, pC, pA );
cvSubdiv2DSplice( edge_AB, cvSubdiv2DSymEdge( edge_CA ));
cvSubdiv2DSplice( edge_BC, cvSubdiv2DSymEdge( edge_AB ));
cvSubdiv2DSplice( edge_CA, cvSubdiv2DSymEdge( edge_BC ));
subdiv->recent_edge = edge_AB;
__END__;
}
CV_IMPL void
cvSetZero( CvArr* arr )
{
if( CV_IS_SPARSE_MAT(arr) )
{
CvSparseMat* mat1 = (CvSparseMat*)arr;
cvClearSet( mat1->heap );
if( mat1->hashtable )
memset( mat1->hashtable, 0, mat1->hashsize*sizeof(mat1->hashtable[0]));
return;
}
cv::Mat m = cv::cvarrToMat(arr);
m = cv::Scalar(0);
}
/* dst = src */
CV_IMPL void
cvCopy( const void* srcarr, void* dstarr, const void* maskarr )
{
if( CV_IS_SPARSE_MAT(srcarr) && CV_IS_SPARSE_MAT(dstarr))
{
CV_Assert( maskarr == 0 );
CvSparseMat* src1 = (CvSparseMat*)srcarr;
CvSparseMat* dst1 = (CvSparseMat*)dstarr;
CvSparseMatIterator iterator;
CvSparseNode* node;
dst1->dims = src1->dims;
memcpy( dst1->size, src1->size, src1->dims*sizeof(src1->size[0]));
dst1->valoffset = src1->valoffset;
dst1->idxoffset = src1->idxoffset;
cvClearSet( dst1->heap );
if( src1->heap->active_count >= dst1->hashsize*CV_SPARSE_HASH_RATIO )
{
cvFree( &dst1->hashtable );
dst1->hashsize = src1->hashsize;
dst1->hashtable =
(void**)cvAlloc( dst1->hashsize*sizeof(dst1->hashtable[0]));
}
memset( dst1->hashtable, 0, dst1->hashsize*sizeof(dst1->hashtable[0]));
for( node = cvInitSparseMatIterator( src1, &iterator );
node != 0; node = cvGetNextSparseNode( &iterator ))
{
CvSparseNode* node_copy = (CvSparseNode*)cvSetNew( dst1->heap );
int tabidx = node->hashval & (dst1->hashsize - 1);
CV_MEMCPY_AUTO( node_copy, node, dst1->heap->elem_size );
node_copy->next = (CvSparseNode*)dst1->hashtable[tabidx];
dst1->hashtable[tabidx] = node_copy;
}
return;
}
cv::Mat src = cv::cvarrToMat(srcarr, false, true, 1), dst = cv::cvarrToMat(dstarr, false, true, 1);
CV_Assert( src.depth() == dst.depth() && src.size() == dst.size() );
int coi1 = 0, coi2 = 0;
if( CV_IS_IMAGE(srcarr) )
coi1 = cvGetImageCOI((const IplImage*)srcarr);
if( CV_IS_IMAGE(dstarr) )
coi2 = cvGetImageCOI((const IplImage*)dstarr);
if( coi1 || coi2 )
{
CV_Assert( (coi1 != 0 || src.channels() == 1) &&
(coi2 != 0 || dst.channels() == 1) );
int pair[] = { std::max(coi1-1, 0), std::max(coi2-1, 0) };
cv::mixChannels( &src, 1, &dst, 1, pair, 1 );
return;
}
else
CV_Assert( src.channels() == dst.channels() );
if( !maskarr )
src.copyTo(dst);
else
src.copyTo(dst, cv::cvarrToMat(maskarr));
}
