Function cvWriteRawData

deps/opencv/modules/core/src/persistence.cpp:3125–3217

CV_IMPL void
cvWriteRawData( CvFileStorage* fs, const void* _data, int len, const char* dt )
{
    const char* data0 = (const char*)_data;
    int offset = 0;
    int fmt_pairs[CV_FS_MAX_FMT_PAIRS*2], k, fmt_pair_count;
    char buf[256] = "";

    CV_CHECK_OUTPUT_FILE_STORAGE( fs );

    if( len < 0 )
        CV_Error( CV_StsOutOfRange, "Negative number of elements" );

    fmt_pair_count = icvDecodeFormat( dt, fmt_pairs, CV_FS_MAX_FMT_PAIRS );

    if( !len )
        return;

    if( !data0 )
        CV_Error( CV_StsNullPtr, "Null data pointer" );

    if( fmt_pair_count == 1 )
    {
        fmt_pairs[0] *= len;
        len = 1;
    }

    for(;len--;)
    {
        for( k = 0; k < fmt_pair_count; k++ )
        {
            int i, count = fmt_pairs[k*2];
            int elem_type = fmt_pairs[k*2+1];
            int elem_size = CV_ELEM_SIZE(elem_type);
            const char* data, *ptr;

            offset = cvAlign( offset, elem_size );
            data = data0 + offset;

            for( i = 0; i < count; i++ )
            {
                switch( elem_type )
                {
                case CV_8U:
                    ptr = icv_itoa( *(uchar*)data, buf, 10 );
                    data++;
                    break;
                case CV_8S:
                    ptr = icv_itoa( *(char*)data, buf, 10 );
                    data++;
                    break;
                case CV_16U:
                    ptr = icv_itoa( *(ushort*)data, buf, 10 );
                    data += sizeof(ushort);
                    break;
                case CV_16S:
                    ptr = icv_itoa( *(short*)data, buf, 10 );
                    data += sizeof(short);