Esempio n. 1
0
static CvSubdiv2DEdge
cvSubdiv2DMakeEdge( CvSubdiv2D * subdiv )
{
    CvQuadEdge2D *edge = 0;
    CvSubdiv2DEdge edgehandle = 0;

    CV_FUNCNAME( "cvSubdiv2DMakeEdge" );

    __BEGIN__;

    if( !subdiv )
        CV_ERROR( CV_StsNullPtr, "" );

    edge = (CvQuadEdge2D*)cvSetNew( (CvSet*)subdiv->edges );
    CV_CHECK();

    memset( edge->pt, 0, sizeof( edge->pt ));
    edgehandle = (CvSubdiv2DEdge) edge;

    edge->next[0] = edgehandle;
    edge->next[1] = edgehandle + 3;
    edge->next[2] = edgehandle + 2;
    edge->next[3] = edgehandle + 1;

    subdiv->quad_edges++;

    
    __END__;

    return edgehandle;
}
static CvSubdiv2DPoint *
cvSubdiv2DAddPoint( CvSubdiv2D * subdiv, CvPoint2D32f pt, int is_virtual )
{
    CvSubdiv2DPoint* subdiv_point = (CvSubdiv2DPoint*)cvSetNew( (CvSet*)subdiv );
    if( subdiv_point )
    {
        memset( subdiv_point, 0, subdiv->elem_size );
        subdiv_point->pt = pt;
        subdiv_point->first = 0;
        subdiv_point->flags |= is_virtual ? CV_SUBDIV2D_VIRTUAL_POINT_FLAG : 0;
		subdiv_point->id = -1;
    }

    return subdiv_point;
}
Esempio n. 3
0
CV_IMPL CvStringHashNode*
cvGetHashedKey( CvFileStorage* fs, const char* str, int len, int create_missing )
{
    CvStringHashNode* node = 0;
    unsigned hashval = 0;
    int i, tab_size;

    if( !fs )
        return 0;

    CvStringHash* map = fs->str_hash;

    if( len < 0 )
    {
        for( i = 0; str[i] != '\0'; i++ )
            hashval = hashval*CV_HASHVAL_SCALE + (unsigned char)str[i];
        len = i;
    }
    else for( i = 0; i < len; i++ )
        hashval = hashval*CV_HASHVAL_SCALE + (unsigned char)str[i];

    hashval &= INT_MAX;
    tab_size = map->tab_size;
    if( (tab_size & (tab_size - 1)) == 0 )
        i = (int)(hashval & (tab_size - 1));
    else
        i = (int)(hashval % tab_size);

    for( node = (CvStringHashNode*)(map->table[i]); node != 0; node = node->next )
    {
        if( node->hashval == hashval &&
            node->str.len == len &&
            memcmp( node->str.ptr, str, len ) == 0 )
            break;
    }

    if( !node && create_missing )
    {
        node = (CvStringHashNode*)cvSetNew( (CvSet*)map );
        node->hashval = hashval;
        node->str = cvMemStorageAllocString( map->storage, str, len );
        node->next = (CvStringHashNode*)(map->table[i]);
        map->table[i] = node;
    }

    return node;
}
static CvSubdiv2DEdge
cvSubdiv2DMakeEdge( CvSubdiv2D * subdiv )
{
    if( !subdiv )
        CV_Error( CV_StsNullPtr, "" );

    CvQuadEdge2D* edge = (CvQuadEdge2D*)cvSetNew( (CvSet*)subdiv->edges );
    memset( edge->pt, 0, sizeof( edge->pt ));
    CvSubdiv2DEdge edgehandle = (CvSubdiv2DEdge) edge;

    edge->next[0] = edgehandle;
    edge->next[1] = edgehandle + 3;
    edge->next[2] = edgehandle + 2;
    edge->next[3] = edgehandle + 1;

    subdiv->quad_edges++;
    return edgehandle;
}
Esempio n. 5
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));
}
Esempio n. 6
0
 CvSetElem * cvSetNew_wrap(CvSet * set_header ){
	return cvSetNew(/*CvSet*//***/set_header);
}
Esempio n. 7
0
CV_IMPL CvFileNode*
cvGetFileNode( CvFileStorage* fs, CvFileNode* _map_node,
               const CvStringHashNode* key,
               int create_missing )
{
    CvFileNode* value = 0;
    int k = 0, attempts = 1;

    if( !fs )
        return 0;

    CV_CHECK_FILE_STORAGE(fs);

    if( !key )
        CV_Error( CV_StsNullPtr, "Null key element" );

    if( _map_node )
    {
        if( !fs->roots )
            return 0;
        attempts = fs->roots->total;
    }

    for( k = 0; k < attempts; k++ )
    {
        int i, tab_size;
        CvFileNode* map_node = _map_node;
        CvFileMapNode* another;
        CvFileNodeHash* map;

        if( !map_node )
            map_node = (CvFileNode*)cvGetSeqElem( fs->roots, k );
        CV_Assert(map_node != NULL);
        if( !CV_NODE_IS_MAP(map_node->tag) )
        {
            if( (!CV_NODE_IS_SEQ(map_node->tag) || map_node->data.seq->total != 0) &&
                CV_NODE_TYPE(map_node->tag) != CV_NODE_NONE )
                CV_Error( CV_StsError, "The node is neither a map nor an empty collection" );
            return 0;
        }

        map = map_node->data.map;
        tab_size = map->tab_size;

        if( (tab_size & (tab_size - 1)) == 0 )
            i = (int)(key->hashval & (tab_size - 1));
        else
            i = (int)(key->hashval % tab_size);

        for( another = (CvFileMapNode*)(map->table[i]); another != 0; another = another->next )
            if( another->key == key )
            {
                if( !create_missing )
                {
                    value = &another->value;
                    return value;
                }
                CV_PARSE_ERROR( "Duplicated key" );
            }

        if( k == attempts - 1 && create_missing )
        {
            CvFileMapNode* node = (CvFileMapNode*)cvSetNew( (CvSet*)map );
            node->key = key;

            node->next = (CvFileMapNode*)(map->table[i]);
            map->table[i] = node;
            value = (CvFileNode*)node;
        }
    }

    return value;
}