/// <summary>
/// Factory method for linear modality luts.
/// </summary>
public override IModalityLut GetModalityLutLinear(int bitsStored, bool isSigned, double rescaleSlope, double rescaleIntercept)
{
ModalityLutLinear modalityLut = new ModalityLutLinear(bitsStored, isSigned, rescaleSlope, rescaleIntercept);
string key = modalityLut.GetKey();
lock (_syncLock)
{
if (_modalityLutCache.ContainsKey(key))
{
return(new CachedModalityLutProxy(_modalityLutCache[key]));
}
ModalityLutCacheItem item = new ModalityLutCacheItem(modalityLut);
_modalityLutCache[key] = item;
return(new CachedModalityLutProxy(item));
}
}
internal ModalityLutCacheItem(ModalityLutLinear sourceLut)
{
_sourceLut = sourceLut;
_sourceLut.Clear();
}