/// <summary>
/// Constructor.
/// </summary>
/// <param name="attrib"></param>
internal DicomPixelData(DicomPixelData attrib)
{
SopClass = attrib.SopClass;
NumberOfFrames = attrib.NumberOfFrames;
ImageWidth = attrib.ImageWidth;
ImageHeight = attrib.ImageHeight;
HighBit = attrib.HighBit;
BitsStored = attrib.BitsStored;
BitsAllocated = attrib.BitsAllocated;
SamplesPerPixel = attrib.SamplesPerPixel;
PixelRepresentation = attrib.PixelRepresentation;
PlanarConfiguration = attrib.PlanarConfiguration;
PhotometricInterpretation = attrib.PhotometricInterpretation;
LossyImageCompression = attrib.LossyImageCompression;
DerivationDescription = attrib.DerivationDescription;
LossyImageCompressionRatio = attrib.LossyImageCompressionRatio;
LossyImageCompressionMethod = attrib.LossyImageCompressionMethod;
RescaleSlope = attrib.RescaleSlope;
RescaleIntercept = attrib.RescaleIntercept;
_hasDataModalityLut = attrib.HasDataModalityLut;
_hasDataVoiLuts = attrib.HasDataVoiLuts;
_hasPaletteColorLut = attrib.HasPaletteColorLut;
_paletteColorLut = attrib.PaletteColorLut;
foreach (Window window in attrib.LinearVoiLuts)
{
_linearVoiLuts.Add(window);
}
}
static public void Insert(StudyStorageLocation storageLocation, string studyInstanceUId, string seriesInstanceUid, string sopInstanceUid, DicomPixelData pixeldata)
{
lock (_cache)
{
string key =
String.Format("{0}/{1}/{2}/{3}", storageLocation.GetKey().Key, studyInstanceUId, seriesInstanceUid, sopInstanceUid);
_cache.Add(key, pixeldata, null, Cache.NoAbsoluteExpiration, _retentionTime, CacheItemPriority.Normal, null);
}
}
public ImageStreamingContext(HttpListenerContext context)
{
Request = context.Request;
Response = context.Response;
NameValueCollection query = Request.QueryString;
#region INIT STUFF FOR PERFORMANCE TESTING
#if DEBUG
if (query["testcompressed"] != null)
{
testCompressed= true;
}
else if (query["testuncompressed"] != null)
{
testUncompressed = true;
}
if (_testCompressedImage == null)
{
using (Stream stream = typeof(ImageStreamingContext).Assembly.GetManifestResourceStream("ClearCanvas.ImageServer.Services.Streaming.ImageStreaming.Test.TestSamples.compressed.dcm"))
{
DicomFile file = new DicomFile();
file.Load(stream);
_testCompressedImage = DicomPixelData.CreateFrom(file);
}
}
if (_testUncompressedImage == null)
{
using (Stream stream = typeof(ImageStreamingContext).Assembly.GetManifestResourceStream("ClearCanvas.ImageServer.Services.Streaming.ImageStreaming.Test.TestSamples.uncompressed.dcm"))
{
DicomFile file = new DicomFile();
file.Load(stream);
_testUncompressedImage = DicomPixelData.CreateFrom(file);
}
}
#endif
#endregion
_frameNumber = 0;
if (query["FrameNumber"] != null)
int.TryParse(query["FrameNumber"], out _frameNumber);
_nextSeriesUid = query["nextSeriesUid"];
_nextSopUid = query["nextObjectUid"];
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="attrib"></param>
internal DicomPixelData(DicomPixelData attrib)
{
SopClass = attrib.SopClass;
NumberOfFrames = attrib.NumberOfFrames;
ImageWidth = attrib.ImageWidth;
ImageHeight = attrib.ImageHeight;
HighBit = attrib.HighBit;
BitsStored = attrib.BitsStored;
BitsAllocated = attrib.BitsAllocated;
SamplesPerPixel = attrib.SamplesPerPixel;
PixelRepresentation = attrib.PixelRepresentation;
PlanarConfiguration = attrib.PlanarConfiguration;
PhotometricInterpretation = attrib.PhotometricInterpretation;
LossyImageCompression = attrib.LossyImageCompression;
DerivationDescription = attrib.DerivationDescription;
LossyImageCompressionRatio = attrib.LossyImageCompressionRatio;
LossyImageCompressionMethod = attrib.LossyImageCompressionMethod;
RescaleSlope = attrib.RescaleSlope;
RescaleIntercept = attrib.RescaleIntercept;
_hasDataModalityLut = attrib.HasDataModalityLut;
_hasDataVoiLuts = attrib.HasDataVoiLuts;
_hasPaletteColorLut = attrib.HasPaletteColorLut;
_paletteColorLut = attrib.PaletteColorLut;
foreach (Window window in attrib.LinearVoiLuts)
_linearVoiLuts.Add(new Window(window));
}
