bool FiffDigPointSet::readFromStream(FiffStream::SPtr &p_pStream, FiffDigPointSet &p_Dig)
{
//
// Open the file, create directory
//
bool open_here = false;
if (!p_pStream->device()->isOpen()) {
QString t_sFileName = p_pStream->streamName();
if(!p_pStream->open())
return false;
printf("Opening header data %s...\n",t_sFileName.toUtf8().constData());
open_here = true;
}
//
// Read the measurement info
//
//read_hpi_info(p_pStream,p_Tree, info);
fiff_int_t kind = -1;
fiff_int_t pos = -1;
FiffTag::SPtr t_pTag;
//
// Locate the Electrodes
//
QList<FiffDirNode::SPtr> isotrak = p_pStream->dirtree()->dir_tree_find(FIFFB_ISOTRAK);
fiff_int_t coord_frame = FIFFV_COORD_HEAD;
FiffCoordTrans dig_trans;
qint32 k = 0;
if (isotrak.size() == 1)
{
for (k = 0; k < isotrak[0]->nent(); ++k)
{
kind = isotrak[0]->dir[k]->kind;
pos = isotrak[0]->dir[k]->pos;
if (kind == FIFF_DIG_POINT)
{
p_pStream->read_tag(t_pTag, pos);
p_Dig.m_qListDigPoint.append(t_pTag->toDigPoint());
}
else
{
if (kind == FIFF_MNE_COORD_FRAME)
{
p_pStream->read_tag(t_pTag, pos);
qDebug() << "NEEDS To BE DEBBUGED: FIFF_MNE_COORD_FRAME" << t_pTag->getType();
coord_frame = *t_pTag->toInt();
}
else if (kind == FIFF_COORD_TRANS)
{
p_pStream->read_tag(t_pTag, pos);
qDebug() << "NEEDS To BE DEBBUGED: FIFF_COORD_TRANS" << t_pTag->getType();
dig_trans = t_pTag->toCoordTrans();
}
}
}
}
for(k = 0; k < p_Dig.size(); ++k)
{
p_Dig[k].coord_frame = coord_frame;
}
//
// All kinds of auxliary stuff
//
if(open_here)
{
p_pStream->close();
}
return true;
}
bool FiffDirTree::copy_tree(FiffStream::SPtr p_pStreamIn, FiffId& in_id, QList<FiffDirTree>& p_Nodes, FiffStream::SPtr p_pStreamOut)
{
if(p_Nodes.size() <= 0)
return false;
qint32 k, p;
for(k = 0; k < p_Nodes.size(); ++k)
{
p_pStreamOut->start_block(p_Nodes[k].block);//8
if (p_Nodes[k].id.version != -1)
{
if (in_id.version != -1)
p_pStreamOut->write_id(FIFF_PARENT_FILE_ID, in_id);//9
p_pStreamOut->write_id(FIFF_BLOCK_ID);//10
p_pStreamOut->write_id(FIFF_PARENT_BLOCK_ID, p_Nodes[k].id);//11
}
for (p = 0; p < p_Nodes[k].nent; ++p)
{
//
// Do not copy these tags
//
if(p_Nodes[k].dir[p].kind == FIFF_BLOCK_ID || p_Nodes[k].dir[p].kind == FIFF_PARENT_BLOCK_ID || p_Nodes[k].dir[p].kind == FIFF_PARENT_FILE_ID)
continue;
//
// Read and write tags, pass data through transparently
//
if (!p_pStreamIn->device()->seek(p_Nodes[k].dir[p].pos)) //fseek(fidin, nodes(k).dir(p).pos, 'bof') == -1
{
printf("Could not seek to the tag\n");
return false;
}
//ToDo this is the same like read_tag
FiffTag::SPtr tag(new FiffTag());
//QDataStream in(fidin);
FiffStream::SPtr in = p_pStreamIn;
in->setByteOrder(QDataStream::BigEndian);
//
// Read fiff tag header from stream
//
*in >> tag->kind;
*in >> tag->type;
qint32 size;
*in >> size;
tag->resize(size);
*in >> tag->next;
//
// Read data when available
//
if (tag->size() > 0)
{
in->readRawData(tag->data(), tag->size());
FiffTag::convert_tag_data(tag,FIFFV_BIG_ENDIAN,FIFFV_NATIVE_ENDIAN);
}
//QDataStream out(p_pStreamOut);
FiffStream::SPtr out = p_pStreamOut;
out->setByteOrder(QDataStream::BigEndian);
*out << (qint32)tag->kind;
*out << (qint32)tag->type;
*out << (qint32)tag->size();
*out << (qint32)FIFFV_NEXT_SEQ;
out->writeRawData(tag->data(),tag->size());
}
for(p = 0; p < p_Nodes[k].nchild; ++p)
{
QList<FiffDirTree> childList;
childList << p_Nodes[k].children[p];
FiffDirTree::copy_tree(p_pStreamIn, in_id, childList, p_pStreamOut);
}
p_pStreamOut->end_block(p_Nodes[k].block);
}
return true;
}
