bool mitk::SlicedData::RequestedRegionIsOutsideOfTheBufferedRegion()
{
// Is the requested region within the currently buffered data?
// SlicedData and subclasses store entire volumes or slices. The
// methods IsVolumeSet() and IsSliceSet are provided to check,
// a volume or slice, respectively, is available. Thus, these
// methods used here.
const IndexType &requestedRegionIndex = m_RequestedRegion.GetIndex();
const SizeType &requestedRegionSize = m_RequestedRegion.GetSize();
const SizeType &largestPossibleRegionSize = GetLargestPossibleRegion().GetSize();
// are whole channels requested?
int c, cEnd;
c = requestedRegionIndex[4];
cEnd = c + static_cast<long>(requestedRegionSize[4]);
if (requestedRegionSize[3] == largestPossibleRegionSize[3])
{
for (; c < cEnd; ++c)
if (IsChannelSet(c) == false)
return true;
return false;
}
// are whole volumes requested?
int t, tEnd;
t = requestedRegionIndex[3];
tEnd = t + static_cast<long>(requestedRegionSize[3]);
if (requestedRegionSize[2] == largestPossibleRegionSize[2])
{
for (; c < cEnd; ++c)
for (; t < tEnd; ++t)
if (IsVolumeSet(t, c) == false)
return true;
return false;
}
// ok, only slices are requested. Check if they are available.
int s, sEnd;
s = requestedRegionIndex[2];
sEnd = s + static_cast<long>(requestedRegionSize[2]);
for (; c < cEnd; ++c)
for (; t < tEnd; ++t)
for (; s < sEnd; ++s)
if (IsSliceSet(s, t, c) == false)
return true;
return false;
}
bool mitk::Image::SetImportChannel(void *data, int n, ImportMemoryManagementType importMemoryManagement)
{
if(IsValidChannel(n)==false) return false;
// channel descriptor
const size_t ptypeSize = this->m_ImageDescriptor->GetChannelTypeById(n).GetSize();
ImageDataItemPointer ch;
if(IsChannelSet(n))
{
ch=GetChannelData(n,data,importMemoryManagement);
if(ch->GetManageMemory()==false)
{
ch=AllocateChannelData(n,data,importMemoryManagement);
if(ch.GetPointer()==NULL) return false;
}
if ( ch->GetData() != data )
std::memcpy(ch->GetData(), data, m_OffsetTable[4]*(ptypeSize));
ch->Modified();
ch->SetComplete(true);
//we have changed the data: call Modified()!
Modified();
}
else
{
ch=AllocateChannelData(n,data,importMemoryManagement);
if(ch.GetPointer()==NULL) return false;
if ( ch->GetData() != data )
std::memcpy(ch->GetData(), data, m_OffsetTable[4]*(ptypeSize));
ch->SetComplete(true);
this->m_ImageDescriptor->GetChannelDescriptor(n).SetData( ch->GetData() );
//we just added a missing Channel, which is not regarded as modification.
//Therefore, we do not call Modified()!
}
return true;
}
mitk::Image::ImageDataItemPointer mitk::Image::GetChannelData(int n, void *data, ImportMemoryManagementType importMemoryManagement)
{
if(IsValidChannel(n)==false) return NULL;
ImageDataItemPointer ch, vol;
ch=m_Channels[n];
if((ch.GetPointer()!=NULL) && (ch->IsComplete()))
return ch;
// let's see if all volumes are set, so that we can (could) combine them to a channel
if(IsChannelSet(n))
{
// if there is only one time frame we do not need to combine anything
if(m_Dimensions[3]<=1)
{
vol=GetVolumeData(0,n,data,importMemoryManagement);
ch=new ImageDataItem(*vol, m_ImageDescriptor, m_ImageDescriptor->GetNumberOfDimensions(), data, importMemoryManagement == ManageMemory);
ch->SetComplete(true);
}
else
{
const size_t ptypeSize = this->m_ImageDescriptor->GetChannelTypeById(n).GetSize();
ch=m_Channels[n];
// ok, let's combine the volumes!
if(ch.GetPointer()==NULL)
ch=new ImageDataItem(this->m_ImageDescriptor, NULL, true);
ch->SetComplete(true);
size_t size=m_OffsetTable[m_Dimension-1]*(ptypeSize);
unsigned int t;
ImageDataItemPointerArray::iterator slicesIt = m_Slices.begin()+n*m_Dimensions[2]*m_Dimensions[3];
for(t=0;t<m_Dimensions[3];++t)
{
int posVol;
ImageDataItemPointer vol;
posVol=GetVolumeIndex(t,n);
vol=GetVolumeData(t,n,data,importMemoryManagement);
if(vol->GetParent()!=ch)
{
// copy data of volume in channel
size_t offset = ((size_t) t)*m_OffsetTable[3]*(ptypeSize);
std::memcpy(static_cast<char*>(ch->GetData())+offset, vol->GetData(), size);
// REVEIW FIX mitkIpPicDescriptor * pic = vol->GetPicDescriptor();
// replace old volume with reference to channel
vol=new ImageDataItem(*ch, m_ImageDescriptor, 3, data, importMemoryManagement == ManageMemory, offset);
vol->SetComplete(true);
//mitkIpFuncCopyTags(vol->GetPicDescriptor(), pic);
m_Volumes[posVol]=vol;
// get rid of slices - they may point to old volume
ImageDataItemPointer dnull=NULL;
for(unsigned int i = 0; i < m_Dimensions[2]; ++i, ++slicesIt)
{
assert(slicesIt != m_Slices.end());
*slicesIt = dnull;
}
}
}
// REVIEW FIX
// if(ch->GetPicDescriptor()->info->tags_head==NULL)
// mitkIpFuncCopyTags(ch->GetPicDescriptor(), m_Volumes[GetVolumeIndex(0,n)]->GetPicDescriptor());
}
return m_Channels[n]=ch;
}
// channel is unavailable. Can we calculate it?
if((GetSource().IsNotNull()) && (GetSource()->Updating()==false))
{
// ... wir muessen rechnen!!! ....
m_RequestedRegion.SetIndex(0, 0);
m_RequestedRegion.SetIndex(1, 0);
m_RequestedRegion.SetIndex(2, 0);
m_RequestedRegion.SetIndex(3, 0);
m_RequestedRegion.SetIndex(4, n);
m_RequestedRegion.SetSize(0, m_Dimensions[0]);
m_RequestedRegion.SetSize(1, m_Dimensions[1]);
m_RequestedRegion.SetSize(2, m_Dimensions[2]);
m_RequestedRegion.SetSize(3, m_Dimensions[3]);
m_RequestedRegion.SetSize(4, 1);
m_RequestedRegionInitialized=true;
GetSource()->Update();
// did it work?
if(IsChannelSet(n))
//yes: now we can call ourselves without the risk of a endless loop (see "if" above)
return GetChannelData(n,data,importMemoryManagement);
else
return NULL;
}
else
{
ImageDataItemPointer item = AllocateChannelData(n,data,importMemoryManagement);
item->SetComplete(true);
return item;
}
}
