Lines Matching defs:gamma
4677 /* fill gamma tables with user defined values */
4735 DBG (DBG_FNC, "-> Using gamma tables\n");
4749 /* get size for gamma tables */
4766 /* allocate space for gamma buffer */
4771 /* update gamma pointers for each channel */
4776 /* include gamma tables into one buffer */
4781 /* send gamma buffer to scanner */
4786 /* free gamma buffer */
7407 SANE_Byte *gamma = v1600;
7486 /* No gamma tables */
7498 if (gamma != NULL)
7500 *gamma << (8 * (channel_size - 1));
8370 /* apply gamma if required */
9131 /* Setting up gamma */
9211 /* disable gamma correction ¿? */
14045 /* enable gamma correction */
14066 /* points to red gamma table */
14069 /* points to green gamma table */
14072 /* points to blue gamma table */
14079 /* disable gamma correction */