gimpthumb-error Error codes used by libgimpthumb These are the possible error codes used when a #GError is set by libgimpthumb. @GIMP_THUMB_ERROR_OPEN: there was a problem opening the file @GIMP_THUMB_ERROR_OPEN_ENOENT: the file doesn't exist @GIMP_THUMB_ERROR_MKDIR: there was a problem creating a directory Identifier for the libgimpthumb error domain. @Returns: