Virtual Method

GeglMetadataiter_next

Declaration [src] 

const gchar*
iter_next (
  GeglMetadata* metadata,
  GeglMetadataIter* iter
)

Description [src]

Move the iterator to the next metadata item.

Parameters

iter

Type: GeglMetadataIter

GeglMetadataIter to be updated.

The data is owned by the caller of the function.

Return value

Type: const gchar*

Key name if found, else NULL.

The data is owned by the called function.
The value is a NUL terminated UTF-8 string.