bool mitk::Image::IsVolumeSet_unlocked(int t, int n) const
{
if(IsValidVolume(t,n)==false) return false;
ImageDataItemPointer ch, vol;
// volume directly available?
vol=m_Volumes[GetVolumeIndex(t,n)];
if((vol.GetPointer()!=nullptr) && (vol->IsComplete()))
return true;
// is volume available as part of a channel that is available?
ch=m_Channels[n];
if((ch.GetPointer()!=nullptr) && (ch->IsComplete()))
return true;
// let's see if all slices of the volume are set, so that we can (could) combine them to a volume
unsigned int s;
for(s=0;s<m_Dimensions[2];++s)
{
if(m_Slices[GetSliceIndex(s,t,n)].GetPointer()==nullptr)
{
return false;
}
}
return true;
}
bool mitk::Image::SetImportVolume(void *data, int t, int n, ImportMemoryManagementType importMemoryManagement)
{
if(IsValidVolume(t,n)==false) return false;
const size_t ptypeSize = this->m_ImageDescriptor->GetChannelTypeById(n).GetSize();
ImageDataItemPointer vol;
if(IsVolumeSet(t,n))
{
vol=GetVolumeData(t,n,data,importMemoryManagement);
if(vol->GetManageMemory()==false)
{
vol=AllocateVolumeData(t,n,data,importMemoryManagement);
if(vol.GetPointer()==NULL) return false;
}
if ( vol->GetData() != data )
std::memcpy(vol->GetData(), data, m_OffsetTable[3]*(ptypeSize));
vol->Modified();
vol->SetComplete(true);
//we have changed the data: call Modified()!
Modified();
}
else
{
vol=AllocateVolumeData(t,n,data,importMemoryManagement);
if(vol.GetPointer()==NULL) return false;
if ( vol->GetData() != data )
{
std::memcpy(vol->GetData(), data, m_OffsetTable[3]*(ptypeSize));
}
vol->SetComplete(true);
this->m_ImageDescriptor->GetChannelDescriptor(n).SetData( vol->GetData() );
//we just added a missing Volume, which is not regarded as modification.
//Therefore, we do not call Modified()!
}
return true;
}
mitk::Image::ImageDataItemPointer mitk::Image::GetVolumeData(int t, int n, void *data, ImportMemoryManagementType importMemoryManagement)
{
if(IsValidVolume(t,n)==false) return NULL;
ImageDataItemPointer ch, vol;
// volume directly available?
int pos=GetVolumeIndex(t,n);
vol=m_Volumes[pos];
if((vol.GetPointer()!=NULL) && (vol->IsComplete()))
return vol;
const size_t ptypeSize = this->m_ImageDescriptor->GetChannelTypeById(n).GetSize();
// is volume available as part of a channel that is available?
ch=m_Channels[n];
if((ch.GetPointer()!=NULL) && (ch->IsComplete()))
{
vol=new ImageDataItem(*ch, m_ImageDescriptor, 3, data, importMemoryManagement == ManageMemory, (((size_t) t)*m_OffsetTable[3])*(ptypeSize));
vol->SetComplete(true);
return m_Volumes[pos]=vol;
}
// let's see if all slices of the volume are set, so that we can (could) combine them to a volume
bool complete=true;
unsigned int s;
for(s=0;s<m_Dimensions[2];++s)
{
if(m_Slices[GetSliceIndex(s,t,n)].GetPointer()==NULL)
{
complete=false;
break;
}
}
if(complete)
{
// if there is only single slice we do not need to combine anything
if(m_Dimensions[2]<=1)
{
ImageDataItemPointer sl;
sl=GetSliceData(0,t,n,data,importMemoryManagement);
vol=new ImageDataItem(*sl, m_ImageDescriptor, 3, data, importMemoryManagement == ManageMemory);
vol->SetComplete(true);
}
else
{
mitk::PixelType chPixelType = this->m_ImageDescriptor->GetChannelTypeById(n);
vol=m_Volumes[pos];
// ok, let's combine the slices!
if(vol.GetPointer()==NULL)
vol=new ImageDataItem( chPixelType, 3, m_Dimensions, NULL, true);
vol->SetComplete(true);
size_t size=m_OffsetTable[2]*(ptypeSize);
for(s=0;s<m_Dimensions[2];++s)
{
int posSl;
ImageDataItemPointer sl;
posSl=GetSliceIndex(s,t,n);
sl=m_Slices[posSl];
if(sl->GetParent()!=vol)
{
// copy data of slices in volume
size_t offset = ((size_t) s)*size;
std::memcpy(static_cast<char*>(vol->GetData())+offset, sl->GetData(), size);
// FIXME mitkIpPicDescriptor * pic = sl->GetPicDescriptor();
// replace old slice with reference to volume
sl=new ImageDataItem(*vol, m_ImageDescriptor, 2, data, importMemoryManagement == ManageMemory, ((size_t) s)*size);
sl->SetComplete(true);
//mitkIpFuncCopyTags(sl->GetPicDescriptor(), pic);
m_Slices[posSl]=sl;
}
}
//if(vol->GetPicDescriptor()->info->tags_head==NULL)
// mitkIpFuncCopyTags(vol->GetPicDescriptor(), m_Slices[GetSliceIndex(0,t,n)]->GetPicDescriptor());
}
return m_Volumes[pos]=vol;
}
// volume 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, t);
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, 1);
m_RequestedRegion.SetSize(4, 1);
m_RequestedRegionInitialized=true;
GetSource()->Update();
if(IsVolumeSet(t,n))
//yes: now we can call ourselves without the risk of a endless loop (see "if" above)
return GetVolumeData(t,n,data,importMemoryManagement);
else
return NULL;
}
else
{
ImageDataItemPointer item = AllocateVolumeData(t,n,data,importMemoryManagement);
item->SetComplete(true);
return item;
}
}
int mitk::Image::GetVolumeIndex(int t, int n) const
{
if(IsValidVolume(t,n)==false) return false;
return ((size_t)t)+((size_t) n)*m_Dimensions[3]; //??
}
