Lines Matching refs:low_i
739 static int low_i = -1, high_i = -1, norm_percentage = NORM_PERCENTAGE;
1035 int low_i = *low_i_ptr, high_i = *high_i_ptr;
1048 if (low_i == -1)
1063 for (low_i = 0, s = 0;
1064 low_i <= HISTOGRAM_STEPS && s < NET_PIXELS * norm_percentage / 100;
1065 low_i++)
1067 s += histogram[low_i];
1069 low_i = (low_i * max_i + HISTOGRAM_STEPS / 2) / HISTOGRAM_STEPS;
1070 *low_i_ptr = low_i;
1096 if (verbose) printf ("%s: determine_limits: low_i = %d, high_i = %d\n", __progname, low_i, high_i);
1134 lookup_gamma_table (int i, int low_i, int high_i,
1137 if (i <= low_i)
1141 return gamma_table[i - low_i];
1147 const short blue[], int low_i, int high_i, struct pixmap *pp)
1152 unsigned char *gamma_table = make_gamma_table (high_i - low_i);
1166 low_i, high_i, gamma_table);
1169 low_i, high_i, gamma_table);
1172 low_i, high_i, gamma_table);
1269 if (low_i == -1 || high_i == -1)
1271 determine_limits (red, green, blue, &low_i, &high_i);
1275 retval = output_rgb (red, green, blue, low_i, high_i, pp);