Lines Matching defs:dark
436 *shading_data_ptr++ = 0x00; /* dark lo */
437 *shading_data_ptr++ = 0x00; /* dark hi */
2254 // FIXME: we set this during both dark and white calibration. A cleaner approach should
2262 // FIXME: dark shading currently not supported on infrared transparency scans
2291 // wait some time to let lamp to get dark
2347 * this function builds dummy dark calibration data so that we can
2381 give darkest values. We then use these as dummy dark calibration */
2468 // FIXME: dark shading currently not supported on infrared transparency scans
2490 // wait some time to let lamp to get dark
2514 // FIXME: we set this during both dark and white calibration. A cleaner approach should
2662 std::uint32_t dark = 0xffff;
2674 if (col < dark)
2675 dark = col;
2678 std::uint32_t dif = white - dark;
2680 dark = dark + dif / 8;
2701 if (col <= dark)
2724 /* computes one coefficient given bright-dark value
2727 * @param value brght-dark value
2750 * The dark/white shading is actually performed _after_ reducing
2751 * resolution via averaging. only dark/white shading data for what would be
2804 another one: the dark/white shading is actually performed _after_ reducing
2805 resolution via averaging. only dark/white shading data for what would be
2877 // dark data
2996 // dark data
3052 /* x2 because of 16 bit values, and x2 since one coeff for dark
3261 Dn = dark average for column n