/// <summary>
/// Creates a fresh copy of the <see cref="DicomGrayscalePresentationImage"/>.
/// </summary>
/// <remarks>
/// This will instantiate a fresh copy of this <see cref="DicomGrayscalePresentationImage"/>
/// using the same construction parameters as the original.
/// </remarks>
/// <returns></returns>
public override IPresentationImage CreateFreshCopy()
{
DicomGrayscalePresentationImage image = new DicomGrayscalePresentationImage(Frame);
image.PresentationState = this.PresentationState;
return(image);
}
/// <summary>
/// Creates the presentation image for a given image frame.
/// </summary>
/// <param name="frame">The image frame from which a presentation image is to be created.</param>
/// <returns>The created presentation image.</returns>
protected virtual IPresentationImage CreateImage(Frame frame)
{
if (frame.PhotometricInterpretation == PhotometricInterpretation.Unknown)
{
throw new Exception("Photometric interpretation is unknown.");
}
IDicomPresentationImage image;
if (!frame.PhotometricInterpretation.IsColor)
{
image = new DicomGrayscalePresentationImage(frame);
}
else
{
image = new DicomColorPresentationImage(frame);
}
if (image.PresentationState == null || Equals(image.PresentationState, PresentationState.DicomDefault))
{
image.PresentationState = DefaultPresentationState;
}
return(image);
}
/// <summary>
/// Cloning constructor.
/// </summary>
protected DicomGrayscalePresentationImage(DicomGrayscalePresentationImage source, ICloningContext context)
: base(source, context)
{
Frame frame = source.Frame;
_frameReference = frame.CreateTransientReference();
_dicomVoiLuts = new DicomVoiLuts(this);
}
