226 static void BuildPackedTable(HTreeGroup* const htree_group) {  in BuildPackedTable()  argument
230     HuffmanCode32* const huff = &htree_group->packed_table[bits];  in BuildPackedTable()
231     HuffmanCode hcode = htree_group->htrees[GREEN][bits];  in BuildPackedTable()
239       bits >>= AccumulateHCode(htree_group->htrees[RED][bits], 16, huff);  in BuildPackedTable()
240       bits >>= AccumulateHCode(htree_group->htrees[BLUE][bits], 0, huff);  in BuildPackedTable()
241       bits >>= AccumulateHCode(htree_group->htrees[ALPHA][bits], 24, huff);  in BuildPackedTable()
418     HTreeGroup* const htree_group = &htree_groups[i];  in ReadHuffmanCodes()  local
419     HuffmanCode** const htrees = htree_group->htrees;  in ReadHuffmanCodes()
450     htree_group->is_trivial_literal = is_trivial_literal;  in ReadHuffmanCodes()
451     htree_group->is_trivial_code = 0;  in ReadHuffmanCodes()
456       htree_group->literal_arb =  in ReadHuffmanCodes()
459         htree_group->is_trivial_code = 1;  in ReadHuffmanCodes()
460         htree_group->literal_arb |= htrees[GREEN][0].value << 8;  in ReadHuffmanCodes()
463     htree_group->use_packed_table = !htree_group->is_trivial_code &&  in ReadHuffmanCodes()
465     if (htree_group->use_packed_table) BuildPackedTable(htree_group);  in ReadHuffmanCodes()
925   const HTreeGroup* htree_group = GetHtreeGroupForPos(hdr, col, row);  in DecodeAlphaData()  local
931   assert(htree_group != NULL);  in DecodeAlphaData()
940       htree_group = GetHtreeGroupForPos(hdr, col, row);  in DecodeAlphaData()
943     code = ReadSymbol(htree_group->htrees[GREEN], br);  in DecodeAlphaData()
959       const int dist_symbol = ReadSymbol(htree_group->htrees[DIST], br);  in DecodeAlphaData()
979         htree_group = GetHtreeGroupForPos(hdr, col, row);  in DecodeAlphaData()
1028   HTreeGroup* htree_group = GetHtreeGroupForPos(hdr, col, row);  in DecodeImageData()  local
1039   assert(htree_group != NULL);  in DecodeImageData()
1052     if ((col & mask) == 0) htree_group = GetHtreeGroupForPos(hdr, col, row);  in DecodeImageData()
1053     if (htree_group->is_trivial_code) {  in DecodeImageData()
1054       *src = htree_group->literal_arb;  in DecodeImageData()
1058     if (htree_group->use_packed_table) {  in DecodeImageData()
1059       code = ReadPackedSymbols(htree_group, br, src);  in DecodeImageData()
1062       code = ReadSymbol(htree_group->htrees[GREEN], br);  in DecodeImageData()
1066       if (htree_group->is_trivial_literal) {  in DecodeImageData()
1067         *src = htree_group->literal_arb | (code << 8);  in DecodeImageData()
1070         red = ReadSymbol(htree_group->htrees[RED], br);  in DecodeImageData()
1072         blue = ReadSymbol(htree_group->htrees[BLUE], br);  in DecodeImageData()
1073         alpha = ReadSymbol(htree_group->htrees[ALPHA], br);  in DecodeImageData()
1096       const int dist_symbol = ReadSymbol(htree_group->htrees[DIST], br);  in DecodeImageData()
1118       if (col & mask) htree_group = GetHtreeGroupForPos(hdr, col, row);  in DecodeImageData()