Lines Matching refs:black
229 "gt68xx_calibrator_add_black_line: line: %2d medium black: 0x%02x\n",
262 unsigned int black = cal->black_line[i];
263 unsigned int diff = (white > black) ? white - black : 1;
267 cal->k_black[i] = black;
269 ave_black += black;
294 unsigned int black = cal->k_black[i];
297 if (src_value > black)
299 value = (src_value - black) * white_level / cal->k_white[i];
312 if (src_value < black)
998 SANE_Int black; /* minimum black (0-255) */
1016 /** Calculate average black and maximum white
1018 * This function is used for CCD scanners. The black mark to the left is used
1019 * for the calculation of average black. The remaining calibration strip
1038 /* set size of black mark and white segments */
1051 /* calc min and max black value */
1079 values->black = min_black;
1081 if (values->white < 50 || values->black > 150
1082 || values->white - values->black < 30 || max_black - min_black > 15)
1085 values->white, values->black, max_black);
1089 values->white, values->black, max_black);
1116 if (values->black > black_high)
1118 else if (values->black < black_low)
1130 if (values->black < black_low)
1132 else if (values->black > black_high)
1142 if (values->black > black_high)
1156 else if (values->black < black_low)
1179 DBG (4, "%5s white=%3d, black=%3d, offset=%2d, gain=%2d, old offs=%2d, "
1181 values->black, local_offset, local_pga, *offset, *pga,
1504 /* find min average black value */
1515 values->black = min_black;
1519 values->black, average);
1599 if (values->black > black_high)
1601 else if (values->black < black_low)
1613 if (values->black < black_low)
1615 else if (values->black > black_high)
1625 if (values->black > black_high)
1639 else if (values->black < black_low)
1671 DBG (4, "%5s white=%3d, black=%3d, offset=0x%02X, gain=0x%02X, old offs=0x%02X, "
1673 values->black, o, g, *offset, *gain, values->total_white,
2170 /* line is white if 93% is above black level */