298   ALLOCATE_ARRAY (hb_graphite2_cluster_t, clusters, buffer->len);  in _hb_graphite2_shape()
303   memset (clusters, 0, sizeof (clusters[0]) * buffer->len);  in _hb_graphite2_shape()
306   clusters[0].cluster = buffer->info[0].cluster;  in _hb_graphite2_shape()
315     clusters[0].advance = gr_seg_advance_X(seg) * xscale - curradv;  in _hb_graphite2_shape()
318     clusters[0].advance = 0;  in _hb_graphite2_shape()
325     while (clusters[ci].base_char > before && ci)  in _hb_graphite2_shape()
327       clusters[ci-1].num_chars += clusters[ci].num_chars;  in _hb_graphite2_shape()
328       clusters[ci-1].num_glyphs += clusters[ci].num_glyphs;  in _hb_graphite2_shape()
329       clusters[ci-1].advance += clusters[ci].advance;  in _hb_graphite2_shape()
333 …if (gr_slot_can_insert_before (is) && clusters[ci].num_chars && before >= clusters[ci].base_char +…  in _hb_graphite2_shape()
335       hb_graphite2_cluster_t *c = clusters + ci + 1;  in _hb_graphite2_shape()
336       c->base_char = clusters[ci].base_char + clusters[ci].num_chars;  in _hb_graphite2_shape()
349 	clusters[ci].advance += gr_slot_origin_X(is) * xscale - curradv;  in _hb_graphite2_shape()
350 	curradv += clusters[ci].advance;  in _hb_graphite2_shape()
354     clusters[ci].num_glyphs++;  in _hb_graphite2_shape()
356     if (clusters[ci].base_char + clusters[ci].num_chars < after + 1)  in _hb_graphite2_shape()
357 	clusters[ci].num_chars = after + 1 - clusters[ci].base_char;  in _hb_graphite2_shape()
361     clusters[ci].advance += curradv;  in _hb_graphite2_shape()
363     clusters[ci].advance += gr_seg_advance_X(seg) * xscale - curradv;  in _hb_graphite2_shape()
368     for (unsigned int j = 0; j < clusters[i].num_glyphs; ++j)  in _hb_graphite2_shape()
370       hb_glyph_info_t *info = &buffer->info[clusters[i].base_glyph + j];  in _hb_graphite2_shape()
371       info->codepoint = gids[clusters[i].base_glyph + j];  in _hb_graphite2_shape()
372       info->cluster = clusters[i].cluster;  in _hb_graphite2_shape()
373       info->var1.i32 = clusters[i].advance;     // all glyphs in the cluster get the same advance  in _hb_graphite2_shape()