protected override byte[] CreateNormalizedPixelData()
{
string photometricInterpretation;
byte[] pixelData = _framePixelData.GetUncompressedPixelData(out photometricInterpretation);
string photometricInterpretationCode = photometricInterpretation ?? Parent[DicomTags.PhotometricInterpretation].ToString();
PhotometricInterpretation pi = PhotometricInterpretation.FromCodeString(photometricInterpretationCode);
if (pi.IsColor)
{
pixelData = ToArgb(this.Parent, pixelData, pi);
}
else
{
var overlayPlaneModuleIod = new OverlayPlaneModuleIod(Parent);
foreach (var overlayPlane in overlayPlaneModuleIod)
{
if (!overlayPlane.HasOverlayData && _overlayData[overlayPlane.Index] == null)
{
// if the overlay is embedded in pixel data and we haven't cached it yet, extract it now before we normalize the frame pixel data
var overlayData = OverlayData.UnpackFromPixelData(overlayPlane.OverlayBitPosition, Parent[DicomTags.BitsAllocated].GetInt32(0, 0), false, pixelData);
_overlayData[overlayPlane.Index] = overlayData;
}
}
NormalizeGrayscalePixels(this.Parent, pixelData);
}
return(pixelData);
}
protected override byte[] CreateNormalizedPixelData()
{
byte[] pixelData = _framePixelData.GetUncompressedPixelData();
string photometricInterpretationCode = this.Parent[DicomTags.PhotometricInterpretation].ToString();
PhotometricInterpretation pi = PhotometricInterpretation.FromCodeString(photometricInterpretationCode);
TransferSyntax ts = TransferSyntax.GetTransferSyntax(this.Parent.TransferSyntaxUid);
if (pi.IsColor)
{
if (ts == TransferSyntax.Jpeg2000ImageCompression ||
ts == TransferSyntax.Jpeg2000ImageCompressionLosslessOnly ||
ts == TransferSyntax.JpegExtendedProcess24 ||
ts == TransferSyntax.JpegBaselineProcess1)
{
pi = PhotometricInterpretation.Rgb;
}
pixelData = ToArgb(this.Parent, pixelData, pi);
}
else
{
OverlayPlaneModuleIod opmi = new OverlayPlaneModuleIod(this.Parent);
foreach (OverlayPlane overlayPlane in opmi)
{
if (IsOverlayEmbedded(overlayPlane) && _overlayData[overlayPlane.Index] == null)
{
byte[] overlayData = OverlayData.UnpackFromPixelData(overlayPlane.OverlayBitPosition, this.Parent[DicomTags.BitsAllocated].GetInt32(0, 0), false, pixelData);
_overlayData[overlayPlane.Index] = overlayData;
}
else if (!overlayPlane.HasOverlayData)
{
Platform.Log(LogLevel.Warn, "The image {0} appears to be missing OverlayData for group 0x{1:X4}.", this.Parent.SopInstanceUid, overlayPlane.Group);
}
}
NormalizeGrayscalePixels(this.Parent, pixelData);
}
return(pixelData);
}
protected override byte[] CreateNormalizedPixelData()
{
byte[] pixelData = _framePixelData.GetUncompressedPixelData();
string photometricInterpretationCode = this.Parent[DicomTags.PhotometricInterpretation].ToString();
PhotometricInterpretation pi = PhotometricInterpretation.FromCodeString(photometricInterpretationCode);
TransferSyntax ts = TransferSyntax.GetTransferSyntax(this.Parent.TransferSyntaxUid);
if (pi.IsColor)
{
if (ts == TransferSyntax.Jpeg2000ImageCompression ||
ts == TransferSyntax.Jpeg2000ImageCompressionLosslessOnly ||
ts == TransferSyntax.JpegExtendedProcess24 ||
ts == TransferSyntax.JpegBaselineProcess1)
{
pi = PhotometricInterpretation.Rgb;
}
pixelData = ToArgb(this.Parent, pixelData, pi);
}
else
{
var overlayPlaneModuleIod = new OverlayPlaneModuleIod(Parent);
foreach (var overlayPlane in overlayPlaneModuleIod)
{
if (!overlayPlane.HasOverlayData && _overlayData[overlayPlane.Index] == null)
{
// if the overlay is embedded in pixel data and we haven't cached it yet, extract it now before we normalize the frame pixel data
var overlayData = OverlayData.UnpackFromPixelData(overlayPlane.OverlayBitPosition, Parent[DicomTags.BitsAllocated].GetInt32(0, 0), false, pixelData);
_overlayData[overlayPlane.Index] = overlayData;
}
}
NormalizeGrayscalePixels(this.Parent, pixelData);
}
return(pixelData);
}