PostGIS  2.1.10dev-r@@SVN_REVISION@@
Datum RASTER_getWidth ( PG_FUNCTION_ARGS  )

Definition at line 1634 of file rt_pg.c.

References rtrowdump::raster, rt_raster_deserialize(), rt_raster_destroy(), rt_raster_get_width(), TRUE, and rt_raster_serialized_t::width.

1635 {
1636  rt_pgraster *pgraster;
1637  rt_raster raster;
1638  uint16_t width;
1639 
1640  if (PG_ARGISNULL(0)) PG_RETURN_NULL();
1641  pgraster = (rt_pgraster *) PG_DETOAST_DATUM_SLICE(PG_GETARG_DATUM(0), 0, sizeof(struct rt_raster_serialized_t));
1642 
1643  raster = rt_raster_deserialize(pgraster, TRUE);
1644  if ( ! raster ) {
1645  PG_FREE_IF_COPY(pgraster, 0);
1646  elog(ERROR, "RASTER_getWidth: Could not deserialize raster");
1647  PG_RETURN_NULL();
1648  }
1649 
1650  width = rt_raster_get_width(raster);
1651 
1652  rt_raster_destroy(raster);
1653  PG_FREE_IF_COPY(pgraster, 0);
1654 
1655  PG_RETURN_INT32(width);
1656 }
void rt_raster_destroy(rt_raster raster)
Release memory associated to a raster.
Definition: rt_api.c:5387
tuple raster
Be careful!! Zeros function's input parameter can be a (height x width) array, not (width x height): ...
Definition: rtrowdump.py:123
Struct definitions.
Definition: rt_api.h:2175
rt_raster rt_raster_deserialize(void *serialized, int header_only)
Return a raster from a serialized form.
Definition: rt_api.c:8350
#define TRUE
Definition: dbfopen.c:170
uint16_t rt_raster_get_width(rt_raster raster)
Definition: rt_api.c:5426

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