Lists all IMT tag identifiers.

Values:

IGMDTAG_ID_IMT_FORMAT	IMT metadata format identifier.
IGMDTAG_ID_IMT_TYPE	IMT file type.
IGMDTAG_ID_IMT_FMT	File format.
IGMDTAG_ID_IMT_HEIGHT	Image height.
IGMDTAG_ID_IMT_WIDTH	Image Width.
IGMDTAG_ID_IMT_RESOLUTION	Image resolution.
IGMDTAG_ID_IMT_BITSWAP	Swap bits.
IGMDTAG_ID_IMT_SWAB	Swap byte.
IGMDTAG_ID_IMT_INVERT	Invert pixel values flag.