protected override WadoResponse DoProcess(IWadoUriRequest request, string mimeType)
{
fo.DicomFile df = fo.DicomFile.Open(Location.GetReadStream( ));//TODO: check how the toolkit loads the image in memory or not. we do not need to load it
WadoResponse response = new WadoResponse( );
//df.Load ( Location.GetReadStream ( ), null, DicomReadOptions.DoNotStorePixelDataInDataSet);
response.Content = GenerateStreamFromString(df.ToString( ));
response.MimeType = mimeType;
return(response);
}
protected override WadoResponse DoProcess(IWadoUriRequest request, string mimeType)
{
DicomFile df = new DicomFile( );
WadoResponse response = new WadoResponse( );
df.Load(Location.GetReadStream( ), null, DicomReadOptions.DoNotStorePixelDataInDataSet);
response.Content = GenerateStreamFromString(df.DataSet.Dump());
response.MimeType = mimeType;
return(response);
}
public virtual IWadoRsResponse Process(IWadoUriRequest request, string mimeType)
{
Location = MediaStorage.GetLocation(MediaFactory.Create(request,
GetMediaProperties(request, mimeType,
GetTransferSyntax(request))));
if (Location != null && Location.Exists( ))
{
WadoResponse response = new WadoResponse(Location.GetReadStream( ), mimeType);
return(response);
}
else
{
//TODO: in case mime not storedmethod to create on
return(DoProcess(request, mimeType));
}
}
public IWadoRsResponse Process(IWadoUriRequest request, string mimeType)
{
//base class that has the logic to get the DICOM file
Location = MediaStorage.GetLocation(new DicomMediaId(request, mimeType));
if (Location.Exists( ))
{
WadoResponse response = new WadoResponse(Location, mimeType);
return(response);
}
else
{
//TODO: in case mime not storedmethod to create on
return(DoProcess(request, mimeType));
}
}
private MimeMediaType ProcessJsonRequest(IObjectID objectID, List <IWadoRsResponse> responses)
{
//IDicomConverter<string> jsonConverter = CreateDicomConverter<string> (MimeMediaTypes.Json) ;
IWadoRsResponse response = new WadoResponse( );
StringBuilder fullJsonResponse = new StringBuilder("[");
StringBuilder jsonArray = new StringBuilder( );
bool exists = false;
foreach (IStorageLocation storage in GetLocations(objectID, MimeMediaTypes.Json))
{
exists = true;
using (var memoryStream = new MemoryStream())
{
storage.Download(memoryStream);
jsonArray.Append(System.Text.Encoding.UTF8.GetString(memoryStream.ToArray( )));
jsonArray.Append(",");
}
}
fullJsonResponse.Append(jsonArray.ToString().TrimEnd(','));
fullJsonResponse.Append("]");
//TEST CODE
//dynamic jsonObj = fullJsonResponse.ToString().FromJson ( ) ;
//var fff = jsonObj[0];
//var attrib = fff["00080008"];
//TEST CODE
if (exists)
{
response.Content = new MemoryStream(System.Text.Encoding.UTF8.GetBytes(fullJsonResponse.ToString()));
response.MimeType = MimeMediaTypes.Json;
responses.Add(response);
}
return(MimeMediaTypes.Json);
}
private string ProcessMultipartRequest
(
IObjectID objectID,
List <IWadoRsResponse> responses,
MediaTypeWithQualityHeaderValue mediaType
)
{
var mediaTypeHeader = mediaType.Parameters.Where(n => n.Name == "type").FirstOrDefault();
MimeMediaType requestedMimeType = (mediaTypeHeader != null) ? mediaTypeHeader.Value.Trim('"') : MimeMediaTypes.UncompressedData;
foreach (IStorageLocation location in GetLocations(objectID, requestedMimeType))
{
IWadoRsResponse response = new WadoResponse(location, requestedMimeType);
responses.Add(response);
}
return(requestedMimeType);
}
//TODO: I should be able to replace this with the media readers now
protected override WadoResponse DoProcess(IWadoUriRequest request, string mimeType)
{
var dcmLocation = MediaStorage.GetLocation(new DicomMediaId(request, MimeMediaTypes.DICOM));
//var dcmLocation = RetrieveService.RetrieveSopInstances ( request, mimeType ).FirstOrDefault();
if (!dcmLocation.Exists( ))
{
throw new ApplicationException("Object Not Found - return proper wado error ");
}
//if (string.Compare(mimeType, MimeMediaTypes.DICOM, true) == 0)
{
return(new WadoResponse(Location, mimeType));
}
DicomFile file = new DicomFile( );
var frameIndex = request.ImageRequestInfo.FrameNumber - 1 ?? 0;
frameIndex = Math.Max(frameIndex, 0);
file.Load(dcmLocation.GetReadStream());
if (string.Compare(mimeType, MimeMediaTypes.Jpeg, true) == 0)
{
WadoResponse response = new WadoResponse();
if (file.TransferSyntax == TransferSyntax.JpegBaselineProcess1)
{
//ClearCanvas.Dicom.Codec.Jpeg.Jpeg8Codec codec = new ClearCanvas.Dicom.Codec.Jpeg.Jpeg8Codec (ClearCanvas.Dicom.Codec.Jpeg.JpegMode.Baseline, 0, 0 )
//codec.Encode ()
DicomCompressedPixelData pd = DicomPixelData.CreateFrom(file) as DicomCompressedPixelData;
byte[] buffer = pd.GetFrameFragmentData(frameIndex);
response.Content = new MemoryStream(buffer);
response.MimeType = mimeType;
return(response);
}
else
{
}
}
if (string.Compare(mimeType, MimeMediaTypes.UncompressedData) == 0)
{
WadoResponse response = null;
DicomPixelData pd = null;
byte[] buffer = null;
response = new WadoResponse( );
pd = DicomPixelData.CreateFrom(file);
buffer = pd.GetFrame(frameIndex);
//********* TEST CODE***************
//System.Drawing.Bitmap bitmap = new System.Drawing.Bitmap (pd.ImageWidth, pd.ImageHeight, System.Drawing.Imaging.PixelFormat.Format8bppIndexed ) ;
//System.Drawing.Imaging.ColorPalette ncp = bitmap.Palette;
// for (int i = 0; i < 256; i++)
// ncp.Entries[i] = System.Drawing.Color.FromArgb(255, i, i, i);
// bitmap.Palette = ncp;
// System.Drawing.Imaging.BitmapData data = bitmap.LockBits (new System.Drawing.Rectangle ( 0,0, bitmap.Width, bitmap.Height), System.Drawing.Imaging.ImageLockMode.WriteOnly, System.Drawing.Imaging.PixelFormat.Format8bppIndexed);
//IntPtr ptr = data.Scan0 ;
//System.Runtime.InteropServices.Marshal.Copy (buffer, 0, ptr, buffer.Length ) ;
//string fileName = @"C:\Users\zalsafadi_p.SPX\Downloads\libwebp-master\Output\release-static\x86\bin\Samples\uncompressed.raw" ;
//bitmap.UnlockBits (data);
//bitmap.Save ( fileName);
//File.WriteAllBytes(fileName, buffer) ;
//********* TEST CODE***************
response.Content = new MemoryStream(buffer);
response.MimeType = mimeType;
return(response);
}
//if ( string.Compare(mimeType, MimeMediaTypes.WebP) == 0)
//{
// WadoResponse response = new WadoResponse ( ) ;
// byte[] buffer = File.ReadAllBytes(Location) ;
// response.Content = new MemoryStream(buffer);
// response.MimeType = mimeType ;
// return response ;
//}
return(null);
}
