Russian Qt Forum

C++ (Qt)
time_s = ba;
time_s.truncate(12);

C++ (Qt)
int CopyFrom( const QBitArray & src, QBitArray & dst, int srcBeg, int srcEnd, int dstBeg = 0 )
{
 srcBeg = qMin(srcBeg, src.size());
 srcEnd = qMin(srcEnd, src.size());
 if (srcBeg >= srcEnd) return 0;
 int dstSize = dstBeg + srcEnd - srcBeg;
 if (dstSize > dst.size()) dst.resize(dstSize); 
 for (int i = srcBeg; i < srcEnd; ++i)
  dst[dstBeg++] = src[i];
 return srcBeg - srcEnd; 
}
 

C++ (Qt)
int CopyFrom(ba,time_s,0,12,0);
int CopyFrom(ba,time_ms,12,32,0);

C++ (Qt)
qint8
qint16
qint32
qint64

C++ (Qt)
ba.setBit((i+1) * 8 - j - 1, (temp[i] >> j) & 1);

C++ (Qt)
qint32 packedTime;
// читаем из файла
 
int seconds = packedTime & 0xFFF;
int msecs = (packedTime >> 12) & 0xFFFFF;
 

C
struct stime
{
    unsigned int seconds:12;
    unsigned int micro_seconds:20;
};

C++ (Qt)
inline int GetBit( const char * src, int bitOfs )
{
 return (src[bitOfs / 8] >> (7 - (bitOfs % 8))) & 1;
}
 

C++ (Qt)
inline int GetNBits( const char * src, int bitOfs, int numBits )
{
 int result = 0;
 for (int i = 0; i < numBits; ++i)
  result = (result << 1) | GetBit(src, bitOfs + i);
 return result;
}