public void DecodeFrame(int frame, DicomCompressedPixelData oldPixelData, DicomUncompressedPixelData newPixelData, DicomCodecParameters parameters)
{
if (oldPixelData.UncompressedFrameSize % 2 == 1)
{
using (var stream = new MemoryStream(oldPixelData.GetFrameFragmentData(frame)))
{
var data = new byte[oldPixelData.UncompressedFrameSize];
stream.Read(data, 0, data.Length);
newPixelData.AppendFrame(data);
}
}
else
{
newPixelData.AppendFrame(oldPixelData.GetFrameFragmentData(frame));
}
}
public void SavePixels(string filename)
{
DicomPixelData pd = DicomPixelData.CreateFrom(_dicomFile);
if (File.Exists(filename))
{
File.Delete(filename);
}
using (FileStream fs = new FileStream(filename, FileMode.CreateNew))
{
byte[] ba;
DicomCompressedPixelData compressed = pd as DicomCompressedPixelData;
if (compressed != null)
{
ba = compressed.GetFrameFragmentData(0);
}
else
{
ba = pd.GetFrame(0);
}
fs.Write(ba, 0, ba.Length);
fs.Flush();
fs.Close();
}
}
public void DecodeFrame(int frame, DicomCompressedPixelData oldPixelData, DicomUncompressedPixelData newPixelData, DicomCodecParameters parameters)
{
if (oldPixelData.UncompressedFrameSize%2 == 1)
{
using (var stream = new MemoryStream(oldPixelData.GetFrameFragmentData(frame)))
{
var data = new byte[oldPixelData.UncompressedFrameSize];
stream.Read(data, 0, data.Length);
newPixelData.AppendFrame(data);
}
}
else
{
newPixelData.AppendFrame(oldPixelData.GetFrameFragmentData(frame));
}
}
public void DecodeFrame(int frame, DicomCompressedPixelData oldPixelData, DicomUncompressedPixelData newPixelData, DicomCodecParameters parameters)
{
using (var input = new MemoryStream(oldPixelData.GetFrameFragmentData(frame)))
using (var gzipStream = new GZipStream(input, CompressionMode.Decompress, false))
{
var data = new byte[oldPixelData.UncompressedFrameSize];
gzipStream.Read(data, 0, data.Length);
newPixelData.AppendFrame(data);
}
}
public void DecodeFrame(int frame, DicomCompressedPixelData oldPixelData, DicomUncompressedPixelData newPixelData, DicomCodecParameters parameters)
{
using (var input = new MemoryStream(oldPixelData.GetFrameFragmentData(frame)))
using (var gzipStream = new GZipStream(input, CompressionMode.Decompress, false))
{
var data = new byte[oldPixelData.UncompressedFrameSize];
gzipStream.Read(data, 0, data.Length);
newPixelData.AppendFrame(data);
}
}
protected override void Upload(DicomFile dicomObject, int frame, IStorageLocation storeLocation)
{
var frameIndex = frame - 1;
if (dicomObject.TransferSyntax == TransferSyntax.JpegBaselineProcess1)
{
DicomCompressedPixelData pd = DicomPixelData.CreateFrom(dicomObject) as DicomCompressedPixelData;
byte[] buffer = pd.GetFrameFragmentData(frameIndex);
storeLocation.Upload(buffer);
}
else if (false) //TODO: handle compressed images properly!
{
DicomFile dcmJpeg = new DicomFile( );
DicomUncompressedPixelData unCompressed = DicomPixelData.CreateFrom(dicomObject) as DicomUncompressedPixelData;
DicomCompressedPixelData compressed = new DicomCompressedPixelData(unCompressed);
//compressed.ImageWidth = unCompressed.ImageWidth;
//compressed.ImageHeight = unCompressed.HighBit;
compressed.BitsStored = 8;
compressed.BitsAllocated = 8;
//compressed.HighBit = 7;
compressed.SamplesPerPixel = 3;
//compressed.PlanarConfiguration = 0;
compressed.PhotometricInterpretation = "YBR_FULL_422";
compressed.TransferSyntax = TransferSyntax.JpegBaselineProcess1;
byte[] imageBuffer = unCompressed.GetFrame(frameIndex);
compressed.AddFrameFragment(imageBuffer);
compressed.UpdateMessage(dcmJpeg);
storeLocation.Upload(compressed.GetFrame(frameIndex));
//ClearCanvas.Dicom.Codec.Jpeg.Jpeg8Codec codec = new ClearCanvas.Dicom.Codec.Jpeg.Jpeg8Codec (ClearCanvas.Dicom.Codec.Jpeg.JpegMode.Baseline, 0, 0 ) ;
//ClearCanvas.Dicom.Codec.Jpeg.DicomJpegParameters jparam = new ClearCanvas.Dicom.Codec.Jpeg.DicomJpegParameters ( ) ;
//jparam.
//codec.
//codec.Encode ( )
}
}
//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);
}