void ZipWriterImpl::WritePoint(liblas::Point const& point)
{
//if (m_point_writer.get() == 0) {
// m_point_writer = PointWriterPtr(new writer::Point(m_ofs, m_pointCount, m_header));
//}
//m_point_writer->write(point);
if (m_zipper==NULL)
{
try
{
m_zipper = new LASzipper();
}
catch(...)
{
throw liblas_error("Error opening compression engine (1)");
}
PointFormatName format = m_header->GetDataFormatId();
m_zipPoint = new ZipPoint(format);
unsigned int stat = 1;
try
{
stat = m_zipper->open(m_ofs, m_zipPoint->m_num_items, m_zipPoint->m_items, LASzip::DEFAULT_COMPRESSION);
}
catch(...)
{
throw liblas_error("Error opening compression engine (3)");
}
if (stat != 0)
{
throw liblas_error("Error opening compression engine (2)");
}
}
bool ok = false;
try
{
const std::vector<boost::uint8_t>* data;
data = &point.GetData();
if (data->size() != m_zipPoint->m_lz_point_size)
{
// We need to repack the data.
liblas::Point p(point);
p.SetHeaderPtr(m_header);
data = &p.GetData();
// m_zipPoint->m_lz_point_data = const_cast<unsigned char*>(&(data->front()));
for (unsigned int i=0; i<m_zipPoint->m_lz_point_size; i++)
{
m_zipPoint->m_lz_point_data[i] = data->at(i);
//printf("%d %d\n", v[i], i);
}
ok = m_zipper->write(m_zipPoint->m_lz_point);
} else
{
// m_zipPoint->m_lz_point_data = const_cast<unsigned char*>(&(data->front()));
for (unsigned int i=0; i<m_zipPoint->m_lz_point_size; i++)
{
m_zipPoint->m_lz_point_data[i] = data->at(i);
//printf("%d %d\n", v[i], i);
}
ok = m_zipper->write(m_zipPoint->m_lz_point);
}
}
catch(...)
{
throw liblas_error("Error writing compressed point data (1)");
}
if (!ok)
{
throw liblas_error("Error writing compressed point data (2)");
}
++m_pointCount;
m_header->SetPointRecordsCount(m_pointCount);
}
