lwgeom_to_wkb_buf()

static uint8_t * lwgeom_to_wkb_buf ( const LWGEOM *  geom, uint8_t *  buf, uint8_t  variant  )

static

Definition at line 739 of file lwout_wkb.c.

{
 
        /* Do not simplify empties when outputting to canonical form */
        if (lwgeom_is_empty(geom) && !(variant & WKB_EXTENDED))
                return empty_to_wkb_buf(geom, buf, variant);
 
        switch ( geom->type )
        {
                case POINTTYPE:
                        return lwpoint_to_wkb_buf((LWPOINT*)geom, buf, variant);
 
                /* LineString and CircularString both have 'points' elements */
                case CIRCSTRINGTYPE:
                case LINETYPE:
                        return lwline_to_wkb_buf((LWLINE*)geom, buf, variant);
 
                /* Polygon has 'nrings' and 'rings' elements */
                case POLYGONTYPE:
                        return lwpoly_to_wkb_buf((LWPOLY*)geom, buf, variant);
 
                /* Triangle has one ring of three points */
                case TRIANGLETYPE:
                        return lwtriangle_to_wkb_buf((LWTRIANGLE*)geom, buf, variant);
 
                /* All these Collection types have 'ngeoms' and 'geoms' elements */
                case MULTIPOINTTYPE:
                case MULTILINETYPE:
                case MULTIPOLYGONTYPE:
                case COMPOUNDTYPE:
                case CURVEPOLYTYPE:
                case MULTICURVETYPE:
                case MULTISURFACETYPE:
                case COLLECTIONTYPE:
                case POLYHEDRALSURFACETYPE:
                case TINTYPE:
                        return lwcollection_to_wkb_buf((LWCOLLECTION*)geom, buf, variant);
 
                /* Unknown type! */
                default:
                        lwerror("%s: Unsupported geometry type: %s", __func__, lwtype_name(geom->type));
        }
        /* Return value to keep compiler happy. */
        return 0;
}

References CIRCSTRINGTYPE, COLLECTIONTYPE, COMPOUNDTYPE, CURVEPOLYTYPE, empty_to_wkb_buf(), LINETYPE, lwcollection_to_wkb_buf(), lwerror(), lwgeom_is_empty(), lwline_to_wkb_buf(), lwpoint_to_wkb_buf(), lwpoly_to_wkb_buf(), lwtriangle_to_wkb_buf(), lwtype_name(), MULTICURVETYPE, MULTILINETYPE, MULTIPOINTTYPE, MULTIPOLYGONTYPE, MULTISURFACETYPE, POINTTYPE, POLYGONTYPE, POLYHEDRALSURFACETYPE, TINTYPE, TRIANGLETYPE, LWGEOM::type, LWPOINT::type, variant, and WKB_EXTENDED.

Referenced by lwcollection_to_wkb_buf(), and lwgeom_to_wkb_write_buf().

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