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◆ RASTER_getWidth()
| Datum RASTER_getWidth | ( | PG_FUNCTION_ARGS | ) |
Definition at line 112 of file rtpg_raster_properties.c.
113{
114 rt_pgraster *pgraster;
116 uint16_t width;
117
118 if (PG_ARGISNULL(0)) PG_RETURN_NULL();
119 pgraster = (rt_pgraster *) PG_DETOAST_DATUM_SLICE(PG_GETARG_DATUM(0), 0, sizeof(struct rt_raster_serialized_t));
120
122 if ( ! raster ) {
123 PG_FREE_IF_COPY(pgraster, 0);
124 elog(ERROR, "RASTER_getWidth: Could not deserialize raster");
125 PG_RETURN_NULL();
126 }
127
129
130 rt_raster_destroy(raster);
131 PG_FREE_IF_COPY(pgraster, 0);
132
133 PG_RETURN_INT32(width);
134}
void rt_raster_destroy(rt_raster raster)
Release memory associated to a raster.
Definition rt_raster.c:86
rt_raster rt_raster_deserialize(void *serialized, int header_only)
Return a raster from a serialized form.
Definition rt_serialize.c:725
raster
Be careful!! Zeros function's input parameter can be a (height x width) array, not (width x height): ...
Definition rtrowdump.py:121
Definition librtcore.h:2474
References rt_raster_deserialize(), rt_raster_destroy(), rt_raster_get_width(), TRUE, and rt_raster_serialized_t::width.
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