/// <summary>
/// Creates a minimal number of <see cref="DicomSoftcopyPresentationState"/>s for the given images.
/// </summary>
/// <remarks>
/// <para>
/// Presentation state instances can contain information for multiple images, but the images must all be of the same type,
/// and contain non-conflicting presentation state information. This method creates a minimal number of presentation
/// state objects for the collection of given images.
/// </para>
/// </remarks>
/// <param name="images">The images for which presentation states are to be created.</param>
/// <param name="callback">A callback method that initializes the instance properties of the created <see cref="DicomSoftcopyPresentationState"/>s.</param>
/// <returns>A dictionary mapping of presentation images to its associated presentation state instance.</returns>
/// <exception cref="ArgumentException">Thrown if softcopy presentation states are not supported for the type of any one of the given <paramref name="images"/>.</exception>
/// <seealso cref="DicomSoftcopyPresentationState"/>
public static IDictionary<IPresentationImage, DicomSoftcopyPresentationState> Create(IEnumerable<IPresentationImage> images, InitializeDicomSoftcopyPresentationStateCallback callback)
{
callback = callback ?? DefaultInitializeDicomSoftcopyPresentationStateCallback;
List<IPresentationImage> grayscaleImages = new List<IPresentationImage>();
List<IPresentationImage> colorImages = new List<IPresentationImage>();
foreach (IPresentationImage image in images)
{
if (image is DicomGrayscalePresentationImage)
{
grayscaleImages.Add(image);
}
else if (image is DicomColorPresentationImage)
{
colorImages.Add(image);
}
else
{
throw new ArgumentException("DICOM presentation state serialization is not supported for that type of image.");
}
}
Dictionary<IPresentationImage, DicomSoftcopyPresentationState> presentationStates = new Dictionary<IPresentationImage, DicomSoftcopyPresentationState>();
if (grayscaleImages.Count > 0)
{
DicomGrayscaleSoftcopyPresentationState grayscaleSoftcopyPresentationState = new DicomGrayscaleSoftcopyPresentationState();
callback.Invoke(grayscaleSoftcopyPresentationState);
grayscaleSoftcopyPresentationState.Serialize(grayscaleImages);
foreach (IPresentationImage image in grayscaleImages)
{
presentationStates.Add(image, grayscaleSoftcopyPresentationState);
}
}
if (colorImages.Count > 0)
{
DicomColorSoftcopyPresentationState colorSoftcopyPresentationState = new DicomColorSoftcopyPresentationState();
callback.Invoke(colorSoftcopyPresentationState);
colorSoftcopyPresentationState.Serialize(colorImages);
foreach (IPresentationImage image in colorImages)
{
presentationStates.Add(image, colorSoftcopyPresentationState);
}
}
return presentationStates;
}
/// <summary>
/// Creates a <see cref="DicomSoftcopyPresentationState"/> for a given image.
/// </summary>
/// <param name="image">The image for which the presentation state should be created.</param>
/// <param name="callback">A callback method that initializes the instance properties of the created <see cref="DicomSoftcopyPresentationState"/>.</param>
/// <returns>One of the derived <see cref="DicomSoftcopyPresentationState"/> classes, depending on the type of the <paramref name="image"/>.</returns>
/// <exception cref="ArgumentException">Thrown if softcopy presentation states for the type of the given <paramref name="image"/> are not supported.</exception>
/// <seealso cref="DicomSoftcopyPresentationState"/>
public static DicomSoftcopyPresentationState Create(IPresentationImage image, InitializeDicomSoftcopyPresentationStateCallback callback)
{
callback = callback ?? DefaultInitializeDicomSoftcopyPresentationStateCallback;
if (image is DicomGrayscalePresentationImage)
{
DicomGrayscaleSoftcopyPresentationState grayscaleSoftcopyPresentationState = new DicomGrayscaleSoftcopyPresentationState();
callback.Invoke(grayscaleSoftcopyPresentationState);
grayscaleSoftcopyPresentationState.Serialize(image);
return grayscaleSoftcopyPresentationState;
}
else if (image is DicomColorPresentationImage)
{
DicomColorSoftcopyPresentationState colorSoftcopyPresentationState = new DicomColorSoftcopyPresentationState();
callback.Invoke(colorSoftcopyPresentationState);
colorSoftcopyPresentationState.Serialize(image);
return colorSoftcopyPresentationState;
}
else
{
throw new ArgumentException("DICOM presentation state serialization is not supported for that type of image.");
}
}
