ptarray_construct_copy_data()

POINTARRAY* ptarray_construct_copy_data	(	char	hasz,
		char	hasm,
		uint32_t	npoints,
		const uint8_t *	ptlist
	)

Construct a new POINTARRAY, copying in the data from ptlist.

Definition at line 297 of file ptarray.c.

{
        POINTARRAY *pa = lwalloc(sizeof(POINTARRAY));
 
        pa->flags = lwflags(hasz, hasm, 0);
        pa->npoints = npoints;
        pa->maxpoints = npoints;
 
        if ( npoints > 0 )
        {
                pa->serialized_pointlist = lwalloc(ptarray_point_size(pa) * npoints);
                memcpy(pa->serialized_pointlist, ptlist, ptarray_point_size(pa) * npoints);
        }
        else
        {
                pa->serialized_pointlist = NULL;
        }
 
        return pa;
}

References POINTARRAY::flags, lwalloc(), lwflags(), POINTARRAY::maxpoints, POINTARRAY::npoints, ptarray_point_size(), and POINTARRAY::serialized_pointlist.

Referenced by lwpoint_from_wkb_state(), and ptarray_from_wkb_state().

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