Function write_demzip_vlr_header

LASlib/src/demzip_dll.cpp:2233–2276

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/*---------------------------------------------------------------------------*/
static I32
write_demzip_vlr_header(
    demzip_dll_struct*                 demzip_dll
    , const LASzip*                    laszip
    , ByteStreamOut*                   out
)
{
  // write the LASzip VLR header

  U16 reserved = 0x0;
  try { out->put16bitsLE((U8*)&reserved); } catch(...)
  {
    sprintf(demzip_dll->error, "writing LASzip VLR header.reserved");
    return 1;
  }
  U8 user_id[16] = "laszip encoded\0";
  try { out->putBytes((U8*)user_id, 16); } catch(...)
  {
    sprintf(demzip_dll->error, "writing LASzip VLR header.user_id");
    return 1;
  }
  U16 record_id = 22204;
  try { out->put16bitsLE((U8*)&record_id); } catch(...)
  {
    sprintf(demzip_dll->error, "writing LASzip VLR header.record_id");
    return 1;
  }
  U16 record_length_after_header = (U16)demzip_vrl_payload_size(laszip);
  try { out->put16bitsLE((U8*)&record_length_after_header); } catch(...)
  {
    sprintf(demzip_dll->error, "writing LASzip VLR header.record_length_after_header");
    return 1;
  }
  CHAR description[32];
  memset(description, 0, 32);
  sprintf(description, "LASzip DLL %d.%d r%d (%d)", LASZIP_VERSION_MAJOR, LASZIP_VERSION_MINOR, LASZIP_VERSION_REVISION, LASZIP_VERSION_BUILD_DATE);
  try { out->putBytes((U8*)description, 32); } catch(...)
  {
    sprintf(demzip_dll->error, "writing LASzip VLR header.description");
    return 1;
  }

  return 0;
}

/*---------------------------------------------------------------------------*/
static I32