24 static f_pixel averagepixels (unsigned int clrs, const hist_item achv[],
49 box_variance (const hist_item achv[], const struct box *box)  in box_variance()  argument
55     f_pixel px = achv[box->ind + i].acolor;  in box_variance()
56     double weight = achv[box->ind + i].adjusted_weight;  in box_variance()
69 box_max_error (const hist_item achv[], const struct box *box)  in box_max_error()  argument
76     const double diff = colordifference (mean, achv[box->ind + i].acolor);  in box_max_error()
201 static f_pixel get_median (const struct box *b, hist_item achv[]);
220 prepare_sort (struct box *b, hist_item achv[])  in prepare_sort()  argument
236     const float *chans = (const float *) &achv[b->ind + i].acolor;  in prepare_sort()
239     achv[b->ind + i].tmp.sort_value =  in prepare_sort()
247     const f_pixel median = get_median (b, achv);  in prepare_sort()
252       totalvar += (achv[j].color_weight = color_weight (median, achv[j]));  in prepare_sort()
259 get_median (const struct box *b, hist_item achv[])  in get_median()  argument
263   hist_item_sort_range (&(achv[b->ind]), b->colors, median_start);  in get_median()
266     return achv[b->ind + median_start].acolor;  in get_median()
270   return averagepixels (2, &achv[b->ind + median_start], 1.0, (f_pixel) {  in get_median()
319     unsigned int boxes, hist_item * achv);
320 static void adjust_histogram (hist_item * achv, const colormap * map,
324 box_error (const struct box *box, const hist_item achv[])  in box_error()  argument
333         achv[box->ind + i].acolor) * achv[box->ind + i].perceptual_weight;  in box_error()
360       bv[i].total_error = box_error (&bv[i], hist->achv);  in total_box_error_below_target()
380   hist_item *achv = hist->achv;  in mediancut()  local
392       averagepixels (bv[0].colors, &achv[bv[0].ind], min_opaque_val, (f_pixel) {  in mediancut()
394   bv[0].variance = box_variance (achv, &bv[0]);  in mediancut()
395   bv[0].max_error = box_max_error (achv, &bv[0]);  in mediancut()
399     bv[0].sum += achv[i].adjusted_weight;  in mediancut()
420       set_colormap_from_boxes (representative_subset, bv, boxes, achv);  in mediancut()
442     halfvar = prepare_sort (&bv[bi], achv);  in mediancut()
446     break_p = hist_item_sort_halfvar (&achv[indx], clrs, &lowervar, halfvar);  in mediancut()
447     break_at = MIN (clrs - 1, break_p - &achv[indx] + 1);  in mediancut()
455       lowersum += achv[indx + i].adjusted_weight;  in mediancut()
461         averagepixels (bv[bi].colors, &achv[bv[bi].ind], min_opaque_val,  in mediancut()
464     bv[bi].variance = box_variance (achv, &bv[bi]);  in mediancut()
465     bv[bi].max_error = box_max_error (achv, &bv[bi]);  in mediancut()
470         averagepixels (bv[boxes].colors, &achv[bv[boxes].ind], min_opaque_val,  in mediancut()
473     bv[boxes].variance = box_variance (achv, &bv[boxes]);  in mediancut()
474     bv[boxes].max_error = box_max_error (achv, &bv[boxes]);  in mediancut()
484   set_colormap_from_boxes (map, bv, boxes, achv);  in mediancut()
487   adjust_histogram (achv, map, bv, boxes);  in mediancut()
494     hist_item * achv)  in set_colormap_from_boxes()  argument
510       map->palette[bi].popularity += achv[i].perceptual_weight;  in set_colormap_from_boxes()
517 adjust_histogram (hist_item * achv, const colormap * map, const struct box *bv,  in adjust_histogram()  argument
522       achv[i].adjusted_weight *=  in adjust_histogram()
524               achv[i].acolor) / 4.0);  in adjust_histogram()
525       achv[i].tmp.likely_colormap_index = bi;  in adjust_histogram()
531 averagepixels (unsigned int clrs, const hist_item achv[],  in averagepixels()  argument
539     const f_pixel px = achv[i].acolor;  in averagepixels()
540     new_a += px.a * achv[i].adjusted_weight;  in averagepixels()
541     sum += achv[i].adjusted_weight;  in averagepixels()
559     f_pixel px = achv[i].acolor;  in averagepixels()
571     weight *= achv[i].adjusted_weight;  in averagepixels()