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/*
*
* Copyright (C) 1999-2024, OFFIS e.V.
* All rights reserved. See COPYRIGHT file for details.
*
* This software and supporting documentation were developed by
*
* OFFIS e.V.
* R&D Division Health
* Escherweg 2
* D-26121 Oldenburg, Germany
*
*
* Module: dcmpstat
*
* Author: Marco Eichelberg
*
* Purpose:
* classes: DVPSDisplayedArea_PList
*
*/
#include "dcmtk/config/osconfig.h" /* make sure OS specific configuration is included first */
#include "dcmtk/dcmpstat/dvpsdal.h"
#include "dcmtk/dcmpstat/dvpsda.h" /* for DVPSDisplayedArea */
#include "dcmtk/dcmpstat/dvpsri.h" /* for DVPSReferencedImage, needed by MSVC5 with STL */
DVPSDisplayedArea_PList::DVPSDisplayedArea_PList()
: list_()
{
}
DVPSDisplayedArea_PList::DVPSDisplayedArea_PList(const DVPSDisplayedArea_PList &arg)
: list_()
{
OFListConstIterator(DVPSDisplayedArea *) first = arg.list_.begin();
OFListConstIterator(DVPSDisplayedArea *) last = arg.list_.end();
while (first != last)
{
list_.push_back((*first)->clone());
++first;
}
}
DVPSDisplayedArea_PList::~DVPSDisplayedArea_PList()
{
clear();
}
void DVPSDisplayedArea_PList::clear()
{
OFListIterator(DVPSDisplayedArea *) first = list_.begin();
OFListIterator(DVPSDisplayedArea *) last = list_.end();
while (first != last)
{
delete (*first);
first = list_.erase(first);
}
}
OFCondition DVPSDisplayedArea_PList::read(DcmItem &dset)
{
OFCondition result = EC_Normal;
DcmStack stack;
DVPSDisplayedArea *newImage = NULL;
DcmSequenceOfItems *dseq=NULL;
DcmItem *ditem=NULL;
if (EC_Normal == dset.search(DCM_DisplayedAreaSelectionSequence, stack, ESM_fromHere, OFFalse) && (stack.top()->ident() == EVR_SQ))
{
dseq=(DcmSequenceOfItems *)stack.top();
if (dseq)
{
unsigned long numItems = dseq->card();
for (unsigned int i=0; i<numItems; i++)
{
ditem = dseq->getItem(i);
newImage = new DVPSDisplayedArea();
if (newImage && ditem)
{
result = newImage->read(*ditem);
list_.push_back(newImage);
} else result = EC_MemoryExhausted;
}
}
}
return result;
}
OFCondition DVPSDisplayedArea_PList::write(DcmItem &dset)
{
OFCondition result = EC_Normal;
DcmSequenceOfItems *dseq=NULL;
DcmItem *ditem=NULL;
dseq = new DcmSequenceOfItems(DCM_DisplayedAreaSelectionSequence);
if (dseq)
{
OFListIterator(DVPSDisplayedArea *) first = list_.begin();
OFListIterator(DVPSDisplayedArea *) last = list_.end();
while (first != last)
{
if (result==EC_Normal)
{
ditem = new DcmItem();
if (ditem)
{
result = (*first)->write(*ditem);
if (result==EC_Normal) dseq->insert(ditem); else delete ditem;
} else result = EC_MemoryExhausted;
}
++first;
}
if (result==EC_Normal) dset.insert(dseq, OFTrue /*replaceOld*/); else delete dseq;
} else result = EC_MemoryExhausted;
return result;
}
DVPSDisplayedArea *DVPSDisplayedArea_PList::findDisplayedArea(const char *instanceUID, unsigned long frame)
{
OFListIterator(DVPSDisplayedArea *) first = list_.begin();
OFListIterator(DVPSDisplayedArea *) last = list_.end();
while (first != last)
{
if ((*first)->isApplicable(instanceUID, frame)) return (*first);
++first;
}
return NULL;
}
void DVPSDisplayedArea_PList::rotateAndFlip(
DVPSRotationType rotationFrom,
OFBool isFlippedFrom,
DVPSRotationType rotationTo,
OFBool isFlippedTo)
{
OFListIterator(DVPSDisplayedArea *) first = list_.begin();
OFListIterator(DVPSDisplayedArea *) last = list_.end();
while (first != last)
{
(*first)->rotateAndFlip(rotationFrom, isFlippedFrom, rotationTo, isFlippedTo);
++first;
}
}
DVPSDisplayedArea *DVPSDisplayedArea_PList::createDisplayedArea(
DVPSReferencedSeries_PList& allReferences,
const char *sopclassUID,
const char *instanceUID,
unsigned long frame,
unsigned long numberOfFrames,
DVPSObjectApplicability applicability)
{
DVPSDisplayedArea *oldArea = findDisplayedArea(instanceUID, frame);
DVPSDisplayedArea *newArea = NULL;
if (oldArea == NULL) newArea = new DVPSDisplayedArea();
else
{
// Check if the existing displayed area selection happens to match the new
// applicability. If yes, we only need to return the existing item.
if (oldArea->matchesApplicability(instanceUID, frame, applicability)) return oldArea;
// the applicability has changed. Rework the complete sequence.
newArea = new DVPSDisplayedArea(*oldArea); // create copy
if (newArea) newArea->clearImageReferences();
OFListIterator(DVPSDisplayedArea *) first = list_.begin();
OFListIterator(DVPSDisplayedArea *) last = list_.end();
switch (applicability)
{
case DVPSB_currentFrame:
case DVPSB_currentImage:
while (first != last)
{
(*first)->removeImageReference(allReferences, instanceUID, frame, numberOfFrames, applicability);
if ((*first)->imageReferencesEmpty())
{
delete (*first);
first = list_.erase(first);
} else ++first;
}
break;
case DVPSB_allImages:
clear(); // delete all area selections
break;
}
}
if (newArea)
{
if (applicability != DVPSB_allImages) newArea->addImageReference(sopclassUID, instanceUID, frame, applicability);
list_.push_back(newArea);
}
return newArea;
}
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