bool mitk::Image::SetImportSlice(void *data, int s, int t, int n, ImportMemoryManagementType importMemoryManagement) { if(IsValidSlice(s,t,n)==false) return false; ImageDataItemPointer sl; const size_t ptypeSize = this->m_ImageDescriptor->GetChannelTypeById(n).GetSize(); if(IsSliceSet(s,t,n)) { sl=GetSliceData(s,t,n,data,importMemoryManagement); if(sl->GetManageMemory()==false) { sl=AllocateSliceData(s,t,n,data,importMemoryManagement); if(sl.GetPointer()==NULL) return false; } if ( sl->GetData() != data ) std::memcpy(sl->GetData(), data, m_OffsetTable[2]*(ptypeSize)); sl->Modified(); //we have changed the data: call Modified()! Modified(); } else { sl=AllocateSliceData(s,t,n,data,importMemoryManagement); if(sl.GetPointer()==NULL) return false; if ( sl->GetData() != data ) std::memcpy(sl->GetData(), data, m_OffsetTable[2]*(ptypeSize)); //we just added a missing slice, which is not regarded as modification. //Therefore, we do not call Modified()! } return true; }
mitk::Image::ImageDataItemPointer mitk::Image::GetSliceData(int s, int t, int n, void *data, ImportMemoryManagementType importMemoryManagement) { if(IsValidSlice(s,t,n)==false) return NULL; const size_t ptypeSize = this->m_ImageDescriptor->GetChannelTypeById(n).GetSize(); // slice directly available? int pos=GetSliceIndex(s,t,n); if(m_Slices[pos].GetPointer()!=NULL) return m_Slices[pos]; // is slice available as part of a volume that is available? ImageDataItemPointer sl, ch, vol; vol=m_Volumes[GetVolumeIndex(t,n)]; if((vol.GetPointer()!=NULL) && (vol->IsComplete())) { sl=new ImageDataItem(*vol, m_ImageDescriptor, 2, data, importMemoryManagement == ManageMemory, ((size_t) s)*m_OffsetTable[2]*(ptypeSize)); sl->SetComplete(true); return m_Slices[pos]=sl; } // is slice available as part of a channel that is available? ch=m_Channels[n]; if((ch.GetPointer()!=NULL) && (ch->IsComplete())) { sl=new ImageDataItem(*ch, m_ImageDescriptor, 2, data, importMemoryManagement == ManageMemory, (((size_t) s)*m_OffsetTable[2]+((size_t) t)*m_OffsetTable[3])*(ptypeSize)); sl->SetComplete(true); return m_Slices[pos]=sl; } // slice is unavailable. Can we calculate it? if((GetSource().IsNotNull()) && (GetSource()->Updating()==false)) { // ... wir mussen rechnen!!! .... m_RequestedRegion.SetIndex(0, 0); m_RequestedRegion.SetIndex(1, 0); m_RequestedRegion.SetIndex(2, s); 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, 1); m_RequestedRegion.SetSize(3, 1); m_RequestedRegion.SetSize(4, 1); m_RequestedRegionInitialized=true; GetSource()->Update(); if(IsSliceSet(s,t,n)) //yes: now we can call ourselves without the risk of a endless loop (see "if" above) return GetSliceData(s,t,n,data,importMemoryManagement); else return NULL; } else { ImageDataItemPointer item = AllocateSliceData(s,t,n,data,importMemoryManagement); item->SetComplete(true); return item; } }
void mitk::ImageChannelSelector::GenerateData() { const Image::RegionType& requestedRegion = GetOutput()->GetRequestedRegion(); //do we really need the complete channel? if(requestedRegion.GetSize(3)>1) SetChannelItem(GetChannelData(m_ChannelNr), 0); else //or only a complete volume at a time? if(requestedRegion.GetSize(2)>1) SetVolumeItem(GetVolumeData(requestedRegion.GetIndex(3), m_ChannelNr), requestedRegion.GetIndex(3), 0); else //not even a complete volume, so now take just a slice! SetSliceItem(GetSliceData(requestedRegion.GetIndex(2), requestedRegion.GetIndex(3), m_ChannelNr), requestedRegion.GetIndex(2), requestedRegion.GetIndex(3), 0); }
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; } }
void mitk::ImageSliceSelector::GenerateData() { SetSliceItem(GetSliceData(m_SliceNr, m_TimeNr, m_ChannelNr), 0); }