Method

GExiv2Metadataas_bytes

unstable since: 0.16.0

Declaration [src]

GBytes*
gexiv2_metadata_as_bytes (
  GExiv2Metadata* self,
  GBytes* bytes,
  GError** error
)

Description [src]

Saves the metadata to the stream by reading the stream into memory, copying this object’s metadata into the image, then writing the image as a stream back out.

if bytes is NULL, a copy of the internal image with updated metadata will be returned.

Available since: 0.16.0

Parameters

bytes

Type: GBytes

An image buffer to update the metadata on, nor NULL.

The argument can be NULL.
The data is owned by the caller of the method.
error

Type: GError **

The return location for a recoverable error.

The argument can be NULL.
If the return location is not NULL, then you must initialize it to a NULL GError*.
The argument will be left initialized to NULL by the method if there are no errors.
In case of error, the argument will be set to a newly allocated GError; the caller will take ownership of the data, and be responsible for freeing it.

Return value

Type: GBytes

A newly allocated GBytes object containing the image with new metadata.

The caller of the method takes ownership of the returned data, and is responsible for freeing it.