Length of custom gamma table. 0x0558-0x055D ∙ 1368-1373
For scanners that support downloadable gamma correction curves, IG_ISIS_TAG_GAMMA_LENGTHn specifies the length of the downloadable gamma table.
IG_ISIS_TAG_TYPE_LONG
Drivers for scanners that support at least one downloadable gamma table.
An integer value specifying the length of the downloadable gamma table.
There are currently six tags in this group: IG_ISIS_TAG_GAMMA_LENGTH1 through IG_ISIS_TAG_GAMMA_LENGTH6. Each IG_ISIS_TAG_GAMMA_LENGTHn tag holds the length of the gamma table stored in its corresponding IG_ISIS_TAG_GAMMA_TABLEn tag.