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Lines Matching refs:d_index

283                   int min_d, k, min_k, d_index;
286                   d_index = png_ptr->dither_index[i];
287                   min_d = PNG_COLOR_DIST(palette[d_index], palette[0]);
292                      d = PNG_COLOR_DIST(palette[d_index], palette[k]);
520                   int d_index = index_g | ib;
526                   if (d < (int)distance[d_index])
528                      distance[d_index] = (png_byte)d;
529                      png_ptr->palette_lookup[d_index] = (png_byte)i;