bool LWZState::Init( RageFile &f ) { unsigned char input_code_size; /* code size: */ if( !ReadOK(f, &input_code_size, 1) ) { // RWSetMsg("EOF / read error on image data"); return false; } set_code_size = input_code_size; code_size = set_code_size + 1; clear_code = 1 << set_code_size; end_code = clear_code + 1; max_code_size = 2 * clear_code; max_code = clear_code + 2; m_Code.Init(); fresh = true; memset( table, 0, sizeof(table) ); for( int i = 0; i < clear_code; ++i ) table[1][i] = i; sp = stack; return true; }