Signal

GeglMetadataStore::parse-value

Declaration

gboolean
parse_value (
  GeglMetadataStore* self,
  GObject.ParamSpec* pspec,
  const GValue* value,
  gpointer user_data
)

Description [src]

If a signal handler is connected to ::parse-value a signal is emitted when the file module accesses a value using gegl_metadata_set_value(). The signal handler should parse the value supplied in the GValue and may set any number of metadata values using gegl_metadata_store_set_value().

If no handler is connected the mapped metadata value is set normally,

Default handler:	The default handler is called after the handlers added via `g_signal_connect()`.
The signal can be detailed

Parameters

`pspec`	`GParamSpec`
	A `GParamSpec` declaring the metadata value.
	The data is owned by the caller of the function.
`value`	`GValue`
	A `GValue` containing the value to parse.
	The argument will be modified by the function.
	The called function takes ownership of the data, and is responsible for freeing it.

Return value

Returns:	`gboolean`
	`TRUE` if parsing is successful.