MedicalViewerMPRCell Class

'Declaration
 
Public Class MedicalViewerMPRCell 
   Inherits MedicalViewerCell
   Implements System.ComponentModel.IComponent, System.ComponentModel.INotifyPropertyChanged, System.ComponentModel.ISynchronizeInvoke, System.IDisposable, System.Windows.Forms.IBindableComponent, System.Windows.Forms.IDropTarget, System.Windows.Forms.IWin32Window 

Private Class MedicalViewerMPRForm : Inherits Form
    Private _medicalViewer As MedicalViewer
    Private _seriesManager As MedicalViewerSeriesManager
    Private Sub MedicalViewerMPRForm_SizeChanged(ByVal sender As Object, ByVal e As EventArgs)
        _medicalViewer.Size = New Size(Me.ClientRectangle.Right, Me.ClientRectangle.Bottom)
    End Sub

    Public Sub New(ByVal output As MedicalViewerSeriesManager)
        Dim _codecs As RasterCodecs = New RasterCodecs()

        AddHandler SizeChanged, AddressOf MedicalViewerMPRForm_SizeChanged

        ' Create the medical viewer and adjust the size and the location.
        _medicalViewer = New MedicalViewer(2, 2)
        _medicalViewer.Location = New Point(0, 0)
        _medicalViewer.Size = New Size(Me.ClientRectangle.Right, Me.ClientRectangle.Bottom)

        _seriesManager = output

        Dim index As Integer
        Dim image As RasterImage
        Dim count As Integer = output.Stacks(0).Items.Count
        Dim codecsInformation As CodecsImageInfo

        Dim AxialFrame As MedicalViewerMPRCell = New MedicalViewerMPRCell()
        Dim SagittalFrame As MedicalViewerMPRCell = New MedicalViewerMPRCell()
        Dim CoronalFrame As MedicalViewerMPRCell = New MedicalViewerMPRCell()

        codecsInformation = _codecs.GetInformation(CStr(output.Stacks(0).Items(0).Data), True)

        Dim width As Integer = codecsInformation.Width
        Dim height As Integer = codecsInformation.Height
        Dim depth As Integer = 256

        ' Create a 3D control.
        Dim _medical3DControl As Medical3DControl = New Medical3DControl()

        _medical3DControl.ObjectsContainer.VolumeType = Medical3DVolumeType.MPR
        _medical3DControl.ObjectsContainer.Objects.Add(New Medical3DObject())

        ' Create a 3D object.

        _medical3DControl.ObjectsContainer.Objects(0).MemoryEfficientInit(depth)

        index = 0
        Do While index < depth
            image = _codecs.Load(CStr(output.Stacks(0).Items(index).Data), 0, CodecsLoadByteOrder.BgrOrGrayOrRomm, 1, 1)
            _medical3DControl.ObjectsContainer.Objects(0).MemoryEfficientSetFrame(image, index, True)
            index += 1
        Loop

        Dim spearator As String = ("\")
        Dim test As String() = output.Stacks(0).Items(0).ImageOrientation.Split(spearator.ToCharArray())
        Dim orientation As Single() = New Single(5) {}
        Dim i As Integer
        For i = 0 To 5
            orientation(i) = CSng(Convert.ToDouble(test(i)))
        Next i

        _medical3DControl.ObjectsContainer.Objects(0).MemoryEfficientEnd(orientation, output.Stacks(0).PixelSpacing)

        ' Create axial frame
        AxialFrame.ShowMPRCrossHair = True
        AxialFrame.DistinguishMPRByColor = True
        AxialFrame.SetTag(6, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Frame)
        AxialFrame.AddAction(MedicalViewerActionType.Stack)
        AxialFrame.SetAction(MedicalViewerActionType.Stack, MedicalViewerMouseButtons.Wheel, MedicalViewerActionFlags.Active)


        ' Create Sagittal frame
        SagittalFrame.ShowMPRCrossHair = True
        SagittalFrame.DistinguishMPRByColor = True
        SagittalFrame.SetTag(6, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Frame)
        SagittalFrame.AddAction(MedicalViewerActionType.Stack)
        SagittalFrame.SetAction(MedicalViewerActionType.Stack, MedicalViewerMouseButtons.Wheel, MedicalViewerActionFlags.Active)

        ' Create coronal frame
        CoronalFrame.ShowMPRCrossHair = True
        CoronalFrame.DistinguishMPRByColor = True
        CoronalFrame.SetTag(6, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Frame)
        CoronalFrame.AddAction(MedicalViewerActionType.Stack)
        CoronalFrame.SetAction(MedicalViewerActionType.Stack, MedicalViewerMouseButtons.Wheel, MedicalViewerActionFlags.Active)

        ' attach the MPR cells to the 3D control
        _medical3DControl.AxialFrame = AxialFrame
        _medical3DControl.SagittalFrame = SagittalFrame
        _medical3DControl.CoronalFrame = CoronalFrame


        AxialFrame.AxialName = "Axial Cell"
        SagittalFrame.SagittalName = "Sagittal Cell"
        CoronalFrame.CoronalName = "Coronal Cell"

        AxialFrame.SetTag(1, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.MPRType)
        SagittalFrame.SetTag(1, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.MPRType)
        CoronalFrame.SetTag(1, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.MPRType)

        ' with this option, you will not be able to select more than one cell at the same time. (selecting multiple cells are done with the pressing and holding the Ctrl and clicking on cell)
        _medicalViewer.AllowMultipleSelection = False

        _medicalViewer.Cells.Add(_medical3DControl)
        _medicalViewer.Cells.Add(AxialFrame)
        _medicalViewer.Cells.Add(SagittalFrame)
        _medicalViewer.Cells.Add(CoronalFrame)

        Controls.Add(_medicalViewer)
        _medicalViewer.Dock = DockStyle.Fill
    End Sub

    ' This event handles communication between the the 3D and the MedicalViewer.
    Private Sub cell_Data3DRequested(ByVal sender As Object, ByVal e As MedicalViewerData3DRequestedEventArgs)
        e.Succeed = Medical3DEngine.Provide3DInformation(e)
    End Sub

    Private Sub cell_FramesRequested(ByVal sender As Object, ByVal e As MedicalViewerRequestedFramesInformationEventArgs)
        Dim cell As MedicalViewerMultiCell = CType(sender, MedicalViewerMultiCell)
        Dim _codecs As RasterCodecs = New RasterCodecs()
        Dim i As Integer
        Dim image As RasterImage
        Dim fileName As String

        If e.RequestedFramesIndexes.Length > 0 Then
            fileName = CStr(_seriesManager.Stacks(0).Items(e.RequestedFramesIndexes(0)).Data)
            image = _codecs.Load(fileName)
        Else
            Return
        End If

        i = 1
        Do While i < e.RequestedFramesIndexes.Length
            fileName = CStr(_seriesManager.Stacks(0).Items(e.RequestedFramesIndexes(i)).Data)
            image.AddPage(_codecs.Load(fileName))
            i += 1
        Loop

        cell.SetRequestedImage(image, e.RequestedFramesIndexes, MedicalViewerSetImageOptions.Insert)
    End Sub

    Public ReadOnly Property Viewer() As MedicalViewer
        Get
            Return _medicalViewer
        End Get
    End Property
End Class

Private Function GetMedicalViewerMPRForm() As MedicalViewerMPRForm
    Dim form As MedicalViewerSeriesManagerFrom = New MedicalViewerSeriesManagerFrom()
    Dim output As MedicalViewerSeriesManager = form.LoadJamesHead()

    Return New MedicalViewerMPRForm(output)
End Function

' This example changes the default window level value by decrease the width by 100. Then resets the images based on the new value.

Public Sub MedicalViewerMPRExample()
    Dim myForm As MedicalViewerMPRForm = GetMedicalViewerMPRForm()
    Dim medicalViewer As MedicalViewer = myForm.Viewer

    myForm.ShowDialog()
End Sub