LEADTOOLS Medical (Leadtools.MedicalViewer assembly)

ScaleType Property

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Gets or sets the scale type used when using the zoom action.
Syntax
public MedicalViewerScaleType ScaleType {get; set;}
'Declaration
 
Public Property ScaleType As MedicalViewerScaleType
'Usage
 
Dim instance As MedicalViewerCell
Dim value As MedicalViewerScaleType
 
instance.ScaleType = value
 
value = instance.ScaleType

            

            
public:
property MedicalViewerScaleType ScaleType {
   MedicalViewerScaleType get();
   void set (    MedicalViewerScaleType value);
}

Property Value

MedicalViewerScaleType enumeration that represents the scaling method used when zooming the image using the zoom action.
Remarks
Example
        Imports Leadtools
        Imports Leadtools.Dicom
        Imports Leadtools.Medical3D
        Imports Leadtools.Codecs
        Imports Leadtools.MedicalViewer
        Imports Leadtools.Annotations
        Imports Leadtools.ImageProcessing.Core

        Private Class MedicalViewerDynamicZoomForm : Inherits Form
            Private _medicalViewer As MedicalViewer
            Private _seriesManager As MedicalViewerSeriesManager
            Private Sub MedicalViewer_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)
                DicomEngine.Startup()
                Dim _codecs As RasterCodecs = New RasterCodecs()

                AddHandler SizeChanged, AddressOf MedicalViewer_SizeChanged

                ' Create the medical viewer and adjust the size and the location.
                _medicalViewer = New MedicalViewer(1, 2)
                _medicalViewer.Location = New Point(0, 0)
                _medicalViewer.Size = New Size(Me.ClientRectangle.Right, Me.ClientRectangle.Bottom)

                _seriesManager = output

                Dim cell As MedicalViewerMultiCell = New MedicalViewerMultiCell(Nothing, True, 1, 1)

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

                Dim imageInformation As MedicalViewerImageInformation() = New MedicalViewerImageInformation(count - 1) {}

                index = 0
                Do While index < count
                    codecsInformation = _codecs.GetInformation(CStr(output.Stacks(0).Items(index).Data), True)

                    imageInformation(index) = New MedicalViewerImageInformation()
                    imageInformation(index).ImageHeight = codecsInformation.Width
                    imageInformation(index).ImageWidth = codecsInformation.Width
                    imageInformation(index).XResolution = codecsInformation.XResolution
                    imageInformation(index).YResolution = codecsInformation.YResolution
                    index += 1
                Loop

                AddHandler cell.FramesRequested, AddressOf cell_FramesRequested
                AddHandler FormClosing, AddressOf MedicalViewerLocalizer_FormClosing
                cell.EnableLowMemoryUsage(2, count, imageInformation)
                cell.FitImageToCell = False

                ' add some actions that will be used to change the properties of the images inside the control.
                cell.AddAction(MedicalViewerActionType.WindowLevel)
                cell.AddAction(MedicalViewerActionType.Alpha)
                cell.AddAction(MedicalViewerActionType.Offset)

                ' assign the added actions to a mouse button, meaning that when the user clicks and drags the mouse button, the associated action will be activated.
                cell.SetAction(MedicalViewerActionType.Scale, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active)
                cell.SetAction(MedicalViewerActionType.Alpha, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active)
                cell.SetAction(MedicalViewerActionType.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active)

                cell.ReferenceLine.Enabled = True
                cell.ReferenceLine.Color = Color.Yellow
                cell.ShowCellBoundaries = True

                _medicalViewer.Cells.Add(cell)
                ' adjust some properties of the cell and add some tags.
                _medicalViewer.Cells(0).SetTag(2, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.UserData, "EX. ID 230-36-5448")
                _medicalViewer.Cells(0).SetTag(4, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Frame)
                _medicalViewer.Cells(0).SetTag(6, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Scale)
                _medicalViewer.Cells(0).SetTag(2, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.WindowLevelData)
                _medicalViewer.Cells(0).SetTag(1, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.FieldOfView)

                cell.PixelSpacing = output.Stacks(0).PixelSpacing

                index = 0
                Do While index < count
                    cell.SetImagePosition(index, output.Stacks(0).Items(index).ImagePosition, (index = count - 1))
                    index += 1
                Loop
                cell.ImageOrientation = output.Stacks(0).Items(0).ImageOrientationArray
                cell.FrameOfReferenceUID = output.Stacks(0).Items(0).FrameOfReferenceUID

                cell.ScaleType = MedicalViewerScaleType.Dynamic

                cell.ActiveSubCell = cell.PageCount \ 2
                Controls.Add(_medicalViewer)
                _medicalViewer.Dock = DockStyle.Fill
                DicomEngine.Shutdown()
            End Sub

            Private Sub MedicalViewerLocalizer_FormClosing(ByVal sender As Object, ByVal e As FormClosingEventArgs)
            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 GetMedicalViewerDynamicZoomForm() As MedicalViewerDynamicZoomForm
            MessageBox.Show("Zoom by clicking on the area you want to zoom using the left mouse button")
            Dim form As MedicalViewerSeriesManagerFrom = New MedicalViewerSeriesManagerFrom()
            Dim output As MedicalViewerSeriesManager = form.LoadJamesHead()

            Return New MedicalViewerDynamicZoomForm(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 MedicalViewerDynamicZoomExample()
            Dim myForm As MedicalViewerDynamicZoomForm = GetMedicalViewerDynamicZoomForm()
            Dim medicalViewer As MedicalViewer = myForm.Viewer

            myForm.ShowDialog()
        End Sub      using Leadtools;
      using Leadtools.Dicom;
      using Leadtools.Medical3D;
      using Leadtools.Codecs;
      using Leadtools.MedicalViewer;
      using Leadtools.ImageProcessing;
      using Leadtools.ImageProcessing.Core;
      using Leadtools.ImageProcessing.Color;
      using Leadtools.Annotations;

      class MedicalViewerDynamicZoomForm : Form
      {
         private MedicalViewer _medicalViewer;
         private MedicalViewerSeriesManager _seriesManager;
         void MedicalViewerLocalizer_SizeChanged(object sender, EventArgs e)
         {
            _medicalViewer.Size = new Size(this.ClientRectangle.Right, this.ClientRectangle.Bottom);
         }

         public MedicalViewerDynamicZoomForm(MedicalViewerSeriesManager output)
         {
            DicomEngine.Startup();
            RasterCodecs _codecs = new RasterCodecs();

            this.SizeChanged += new EventHandler(MedicalViewerLocalizer_SizeChanged);

            // Create the medical viewer and adjust the size and the location.
            _medicalViewer = new MedicalViewer(1, 2);
            _medicalViewer.Location = new Point(0, 0);
            _medicalViewer.Size = new Size(this.ClientRectangle.Right, this.ClientRectangle.Bottom);

            _seriesManager = output;

            MedicalViewerMultiCell cell = new MedicalViewerMultiCell(null, true, 1, 1);

            int index;
            int count = output.Stacks[0].Items.Count;
            CodecsImageInfo codecsInformation;

            MedicalViewerImageInformation[] imageInformation = new MedicalViewerImageInformation[count];

            for (index = 0; index < count; index++)
            {
               codecsInformation = _codecs.GetInformation((string)(output.Stacks[0].Items[index].Data), true);

               imageInformation[index] = new MedicalViewerImageInformation();
               imageInformation[index].ImageHeight = codecsInformation.Width;
               imageInformation[index].ImageWidth = codecsInformation.Width;
               imageInformation[index].XResolution = codecsInformation.XResolution;
               imageInformation[index].YResolution = codecsInformation.YResolution;
            }

            cell.FramesRequested += new EventHandler<MedicalViewerRequestedFramesInformationEventArgs>(cell_FramesRequested);
            FormClosing += new FormClosingEventHandler(MedicalViewerLocalizer_FormClosing);
            cell.EnableLowMemoryUsage(2, count, imageInformation);
            cell.FitImageToCell = false;

            // add some actions that will be used to change the properties of the images inside the control.
            cell.AddAction(MedicalViewerActionType.WindowLevel);
            cell.AddAction(MedicalViewerActionType.Alpha);
            cell.AddAction(MedicalViewerActionType.Offset);

            // assign the added actions to a mouse button, meaning that when the user clicks and drags the mouse button, the associated action will be activated.
            cell.SetAction(MedicalViewerActionType.Scale, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active);
            cell.SetAction(MedicalViewerActionType.Alpha, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active);
            cell.SetAction(MedicalViewerActionType.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active);

            cell.ReferenceLine.Enabled = true;
            cell.ReferenceLine.Color = Color.Yellow;
            cell.ShowCellBoundaries = true;

            _medicalViewer.Cells.Add(cell);
            // adjust some properties of the cell and add some tags.
            _medicalViewer.Cells[0].SetTag(2, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.UserData, "EX. ID 230-36-5448");
            _medicalViewer.Cells[0].SetTag(4, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Frame);
            _medicalViewer.Cells[0].SetTag(6, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Scale);
            _medicalViewer.Cells[0].SetTag(2, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.WindowLevelData);
            _medicalViewer.Cells[0].SetTag(1, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.FieldOfView);

            cell.PixelSpacing = output.Stacks[0].PixelSpacing;

            for (index = 0; index < count; index++)
            {
               cell.SetImagePosition(index, output.Stacks[0].Items[index].ImagePosition, (index == count - 1));
            }
            cell.ImageOrientation = output.Stacks[0].Items[0].ImageOrientationArray;
            cell.FrameOfReferenceUID = output.Stacks[0].Items[0].FrameOfReferenceUID;

            cell.ScaleType = MedicalViewerScaleType.Dynamic;

            cell.ActiveSubCell = cell.PageCount / 2;
            Controls.Add(_medicalViewer);
            _medicalViewer.Dock = DockStyle.Fill;
            DicomEngine.Shutdown();
         }

         void MedicalViewerLocalizer_FormClosing(object sender, FormClosingEventArgs e)
         {
         }

         void cell_FramesRequested(object sender, MedicalViewerRequestedFramesInformationEventArgs e)
         {
            MedicalViewerMultiCell cell = (MedicalViewerMultiCell)(sender);
            RasterCodecs _codecs = new RasterCodecs();
            int i;
            RasterImage image;
            string fileName;

            if (e.RequestedFramesIndexes.Length > 0)
            {
               fileName = (string)(_seriesManager.Stacks[0].Items[e.RequestedFramesIndexes[0]].Data);
               image = _codecs.Load(fileName);
            }
            else
               return;

            for (i = 1; i < e.RequestedFramesIndexes.Length; i++)
            {
               fileName = (string)(_seriesManager.Stacks[0].Items[e.RequestedFramesIndexes[i]].Data);
               image.AddPage(_codecs.Load(fileName));
            }

            cell.SetRequestedImage(image, e.RequestedFramesIndexes, MedicalViewerSetImageOptions.Insert);
         }

         public MedicalViewer Viewer
         {
            get { return _medicalViewer; }
         }
      }

      MedicalViewerDynamicZoomForm GetMedicalViewerDynamicZoomForm()
      {
         MessageBox.Show("Zoom by clicking on the area you want to zoom using the left mouse button");
         MedicalViewerSeriesManagerFrom form = new MedicalViewerSeriesManagerFrom();
         MedicalViewerSeriesManager output = form.LoadJamesHead();

         return new MedicalViewerDynamicZoomForm(output);
      }

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

      public void MedicalViewerDynamicZoomExample()
      {
         MedicalViewerDynamicZoomForm myForm = GetMedicalViewerDynamicZoomForm();
         MedicalViewer medicalViewer = myForm.Viewer;

         myForm.ShowDialog();
      }
        Imports Leadtools
        Imports Leadtools.Dicom
        Imports Leadtools.Medical3D
        Imports Leadtools.Codecs
        Imports Leadtools.MedicalViewer
        Imports Leadtools.Annotations
        Imports Leadtools.ImageProcessing.Core

        Private Class MedicalViewerDynamicZoomForm : Inherits Form
            Private _medicalViewer As MedicalViewer
            Private _seriesManager As MedicalViewerSeriesManager
            Private Sub MedicalViewer_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)
                DicomEngine.Startup()
                Dim _codecs As RasterCodecs = New RasterCodecs()

                AddHandler SizeChanged, AddressOf MedicalViewer_SizeChanged

                ' Create the medical viewer and adjust the size and the location.
                _medicalViewer = New MedicalViewer(1, 2)
                _medicalViewer.Location = New Point(0, 0)
                _medicalViewer.Size = New Size(Me.ClientRectangle.Right, Me.ClientRectangle.Bottom)

                _seriesManager = output

                Dim cell As MedicalViewerMultiCell = New MedicalViewerMultiCell(Nothing, True, 1, 1)

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

                Dim imageInformation As MedicalViewerImageInformation() = New MedicalViewerImageInformation(count - 1) {}

                index = 0
                Do While index < count
                    codecsInformation = _codecs.GetInformation(CStr(output.Stacks(0).Items(index).Data), True)

                    imageInformation(index) = New MedicalViewerImageInformation()
                    imageInformation(index).ImageHeight = codecsInformation.Width
                    imageInformation(index).ImageWidth = codecsInformation.Width
                    imageInformation(index).XResolution = codecsInformation.XResolution
                    imageInformation(index).YResolution = codecsInformation.YResolution
                    index += 1
                Loop

                AddHandler cell.FramesRequested, AddressOf cell_FramesRequested
                AddHandler FormClosing, AddressOf MedicalViewerLocalizer_FormClosing
                cell.EnableLowMemoryUsage(2, count, imageInformation)
                cell.FitImageToCell = False

                ' add some actions that will be used to change the properties of the images inside the control.
                cell.AddAction(MedicalViewerActionType.WindowLevel)
                cell.AddAction(MedicalViewerActionType.Alpha)
                cell.AddAction(MedicalViewerActionType.Offset)

                ' assign the added actions to a mouse button, meaning that when the user clicks and drags the mouse button, the associated action will be activated.
                cell.SetAction(MedicalViewerActionType.Scale, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active)
                cell.SetAction(MedicalViewerActionType.Alpha, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active)
                cell.SetAction(MedicalViewerActionType.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active)

                cell.ReferenceLine.Enabled = True
                cell.ReferenceLine.Color = Color.Yellow
                cell.ShowCellBoundaries = True

                _medicalViewer.Cells.Add(cell)
                ' adjust some properties of the cell and add some tags.
                _medicalViewer.Cells(0).SetTag(2, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.UserData, "EX. ID 230-36-5448")
                _medicalViewer.Cells(0).SetTag(4, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Frame)
                _medicalViewer.Cells(0).SetTag(6, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Scale)
                _medicalViewer.Cells(0).SetTag(2, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.WindowLevelData)
                _medicalViewer.Cells(0).SetTag(1, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.FieldOfView)

                cell.PixelSpacing = output.Stacks(0).PixelSpacing

                index = 0
                Do While index < count
                    cell.SetImagePosition(index, output.Stacks(0).Items(index).ImagePosition, (index = count - 1))
                    index += 1
                Loop
                cell.ImageOrientation = output.Stacks(0).Items(0).ImageOrientationArray
                cell.FrameOfReferenceUID = output.Stacks(0).Items(0).FrameOfReferenceUID

                cell.ScaleType = MedicalViewerScaleType.Dynamic

                cell.ActiveSubCell = cell.PageCount \ 2
                Controls.Add(_medicalViewer)
                _medicalViewer.Dock = DockStyle.Fill
                DicomEngine.Shutdown()
            End Sub

            Private Sub MedicalViewerLocalizer_FormClosing(ByVal sender As Object, ByVal e As FormClosingEventArgs)
            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 GetMedicalViewerDynamicZoomForm() As MedicalViewerDynamicZoomForm
            MessageBox.Show("Zoom by clicking on the area you want to zoom using the left mouse button")
            Dim form As MedicalViewerSeriesManagerFrom = New MedicalViewerSeriesManagerFrom()
            Dim output As MedicalViewerSeriesManager = form.LoadJamesHead()

            Return New MedicalViewerDynamicZoomForm(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 MedicalViewerDynamicZoomExample()
            Dim myForm As MedicalViewerDynamicZoomForm = GetMedicalViewerDynamicZoomForm()
            Dim medicalViewer As MedicalViewer = myForm.Viewer

            myForm.ShowDialog()
        End Sub      using Leadtools;
      using Leadtools.Dicom;
      using Leadtools.Medical3D;
      using Leadtools.Codecs;
      using Leadtools.MedicalViewer;
      using Leadtools.ImageProcessing;
      using Leadtools.ImageProcessing.Core;
      using Leadtools.ImageProcessing.Color;
      using Leadtools.Annotations;

      class MedicalViewerDynamicZoomForm : Form
      {
         private MedicalViewer _medicalViewer;
         private MedicalViewerSeriesManager _seriesManager;
         void MedicalViewerLocalizer_SizeChanged(object sender, EventArgs e)
         {
            _medicalViewer.Size = new Size(this.ClientRectangle.Right, this.ClientRectangle.Bottom);
         }

         public MedicalViewerDynamicZoomForm(MedicalViewerSeriesManager output)
         {
            DicomEngine.Startup();
            RasterCodecs _codecs = new RasterCodecs();

            this.SizeChanged += new EventHandler(MedicalViewerLocalizer_SizeChanged);

            // Create the medical viewer and adjust the size and the location.
            _medicalViewer = new MedicalViewer(1, 2);
            _medicalViewer.Location = new Point(0, 0);
            _medicalViewer.Size = new Size(this.ClientRectangle.Right, this.ClientRectangle.Bottom);

            _seriesManager = output;

            MedicalViewerMultiCell cell = new MedicalViewerMultiCell(null, true, 1, 1);

            int index;
            int count = output.Stacks[0].Items.Count;
            CodecsImageInfo codecsInformation;

            MedicalViewerImageInformation[] imageInformation = new MedicalViewerImageInformation[count];

            for (index = 0; index < count; index++)
            {
               codecsInformation = _codecs.GetInformation((string)(output.Stacks[0].Items[index].Data), true);

               imageInformation[index] = new MedicalViewerImageInformation();
               imageInformation[index].ImageHeight = codecsInformation.Width;
               imageInformation[index].ImageWidth = codecsInformation.Width;
               imageInformation[index].XResolution = codecsInformation.XResolution;
               imageInformation[index].YResolution = codecsInformation.YResolution;
            }

            cell.FramesRequested += new EventHandler<MedicalViewerRequestedFramesInformationEventArgs>(cell_FramesRequested);
            FormClosing += new FormClosingEventHandler(MedicalViewerLocalizer_FormClosing);
            cell.EnableLowMemoryUsage(2, count, imageInformation);
            cell.FitImageToCell = false;

            // add some actions that will be used to change the properties of the images inside the control.
            cell.AddAction(MedicalViewerActionType.WindowLevel);
            cell.AddAction(MedicalViewerActionType.Alpha);
            cell.AddAction(MedicalViewerActionType.Offset);

            // assign the added actions to a mouse button, meaning that when the user clicks and drags the mouse button, the associated action will be activated.
            cell.SetAction(MedicalViewerActionType.Scale, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active);
            cell.SetAction(MedicalViewerActionType.Alpha, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active);
            cell.SetAction(MedicalViewerActionType.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active);

            cell.ReferenceLine.Enabled = true;
            cell.ReferenceLine.Color = Color.Yellow;
            cell.ShowCellBoundaries = true;

            _medicalViewer.Cells.Add(cell);
            // adjust some properties of the cell and add some tags.
            _medicalViewer.Cells[0].SetTag(2, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.UserData, "EX. ID 230-36-5448");
            _medicalViewer.Cells[0].SetTag(4, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Frame);
            _medicalViewer.Cells[0].SetTag(6, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Scale);
            _medicalViewer.Cells[0].SetTag(2, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.WindowLevelData);
            _medicalViewer.Cells[0].SetTag(1, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.FieldOfView);

            cell.PixelSpacing = output.Stacks[0].PixelSpacing;

            for (index = 0; index < count; index++)
            {
               cell.SetImagePosition(index, output.Stacks[0].Items[index].ImagePosition, (index == count - 1));
            }
            cell.ImageOrientation = output.Stacks[0].Items[0].ImageOrientationArray;
            cell.FrameOfReferenceUID = output.Stacks[0].Items[0].FrameOfReferenceUID;

            cell.ScaleType = MedicalViewerScaleType.Dynamic;

            cell.ActiveSubCell = cell.PageCount / 2;
            Controls.Add(_medicalViewer);
            _medicalViewer.Dock = DockStyle.Fill;
            DicomEngine.Shutdown();
         }

         void MedicalViewerLocalizer_FormClosing(object sender, FormClosingEventArgs e)
         {
         }

         void cell_FramesRequested(object sender, MedicalViewerRequestedFramesInformationEventArgs e)
         {
            MedicalViewerMultiCell cell = (MedicalViewerMultiCell)(sender);
            RasterCodecs _codecs = new RasterCodecs();
            int i;
            RasterImage image;
            string fileName;

            if (e.RequestedFramesIndexes.Length > 0)
            {
               fileName = (string)(_seriesManager.Stacks[0].Items[e.RequestedFramesIndexes[0]].Data);
               image = _codecs.Load(fileName);
            }
            else
               return;

            for (i = 1; i < e.RequestedFramesIndexes.Length; i++)
            {
               fileName = (string)(_seriesManager.Stacks[0].Items[e.RequestedFramesIndexes[i]].Data);
               image.AddPage(_codecs.Load(fileName));
            }

            cell.SetRequestedImage(image, e.RequestedFramesIndexes, MedicalViewerSetImageOptions.Insert);
         }

         public MedicalViewer Viewer
         {
            get { return _medicalViewer; }
         }
      }

      MedicalViewerDynamicZoomForm GetMedicalViewerDynamicZoomForm()
      {
         MessageBox.Show("Zoom by clicking on the area you want to zoom using the left mouse button");
         MedicalViewerSeriesManagerFrom form = new MedicalViewerSeriesManagerFrom();
         MedicalViewerSeriesManager output = form.LoadJamesHead();

         return new MedicalViewerDynamicZoomForm(output);
      }

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

      public void MedicalViewerDynamicZoomExample()
      {
         MedicalViewerDynamicZoomForm myForm = GetMedicalViewerDynamicZoomForm();
         MedicalViewer medicalViewer = myForm.Viewer;

         myForm.ShowDialog();
      }
      using Leadtools;
      using Leadtools.Dicom;
      using Leadtools.Medical3D;
      using Leadtools.Codecs;
      using Leadtools.MedicalViewer;
      using Leadtools.ImageProcessing;
      using Leadtools.ImageProcessing.Core;
      using Leadtools.ImageProcessing.Color;
      using Leadtools.Annotations;

      class MedicalViewerDynamicZoomForm : Form
      {
         private MedicalViewer _medicalViewer;
         private MedicalViewerSeriesManager _seriesManager;
         void MedicalViewerLocalizer_SizeChanged(object sender, EventArgs e)
         {
            _medicalViewer.Size = new Size(this.ClientRectangle.Right, this.ClientRectangle.Bottom);
         }

         public MedicalViewerDynamicZoomForm(MedicalViewerSeriesManager output)
         {
            DicomEngine.Startup();
            RasterCodecs _codecs = new RasterCodecs();

            this.SizeChanged += new EventHandler(MedicalViewerLocalizer_SizeChanged);

            // Create the medical viewer and adjust the size and the location.
            _medicalViewer = new MedicalViewer(1, 2);
            _medicalViewer.Location = new Point(0, 0);
            _medicalViewer.Size = new Size(this.ClientRectangle.Right, this.ClientRectangle.Bottom);

            _seriesManager = output;

            MedicalViewerMultiCell cell = new MedicalViewerMultiCell(null, true, 1, 1);

            int index;
            int count = output.Stacks[0].Items.Count;
            CodecsImageInfo codecsInformation;

            MedicalViewerImageInformation[] imageInformation = new MedicalViewerImageInformation[count];

            for (index = 0; index < count; index++)
            {
               codecsInformation = _codecs.GetInformation((string)(output.Stacks[0].Items[index].Data), true);

               imageInformation[index] = new MedicalViewerImageInformation();
               imageInformation[index].ImageHeight = codecsInformation.Width;
               imageInformation[index].ImageWidth = codecsInformation.Width;
               imageInformation[index].XResolution = codecsInformation.XResolution;
               imageInformation[index].YResolution = codecsInformation.YResolution;
            }

            cell.FramesRequested += new EventHandler<MedicalViewerRequestedFramesInformationEventArgs>(cell_FramesRequested);
            FormClosing += new FormClosingEventHandler(MedicalViewerLocalizer_FormClosing);
            cell.EnableLowMemoryUsage(2, count, imageInformation);
            cell.FitImageToCell = false;

            // add some actions that will be used to change the properties of the images inside the control.
            cell.AddAction(MedicalViewerActionType.WindowLevel);
            cell.AddAction(MedicalViewerActionType.Alpha);
            cell.AddAction(MedicalViewerActionType.Offset);

            // assign the added actions to a mouse button, meaning that when the user clicks and drags the mouse button, the associated action will be activated.
            cell.SetAction(MedicalViewerActionType.Scale, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active);
            cell.SetAction(MedicalViewerActionType.Alpha, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active);
            cell.SetAction(MedicalViewerActionType.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active);

            cell.ReferenceLine.Enabled = true;
            cell.ReferenceLine.Color = Color.Yellow;
            cell.ShowCellBoundaries = true;

            _medicalViewer.Cells.Add(cell);
            // adjust some properties of the cell and add some tags.
            _medicalViewer.Cells[0].SetTag(2, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.UserData, "EX. ID 230-36-5448");
            _medicalViewer.Cells[0].SetTag(4, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Frame);
            _medicalViewer.Cells[0].SetTag(6, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Scale);
            _medicalViewer.Cells[0].SetTag(2, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.WindowLevelData);
            _medicalViewer.Cells[0].SetTag(1, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.FieldOfView);

            cell.PixelSpacing = output.Stacks[0].PixelSpacing;

            for (index = 0; index < count; index++)
            {
               cell.SetImagePosition(index, output.Stacks[0].Items[index].ImagePosition, (index == count - 1));
            }
            cell.ImageOrientation = output.Stacks[0].Items[0].ImageOrientationArray;
            cell.FrameOfReferenceUID = output.Stacks[0].Items[0].FrameOfReferenceUID;

            cell.ScaleType = MedicalViewerScaleType.Dynamic;

            cell.ActiveSubCell = cell.PageCount / 2;
            Controls.Add(_medicalViewer);
            _medicalViewer.Dock = DockStyle.Fill;
            DicomEngine.Shutdown();
         }

         void MedicalViewerLocalizer_FormClosing(object sender, FormClosingEventArgs e)
         {
         }

         void cell_FramesRequested(object sender, MedicalViewerRequestedFramesInformationEventArgs e)
         {
            MedicalViewerMultiCell cell = (MedicalViewerMultiCell)(sender);
            RasterCodecs _codecs = new RasterCodecs();
            int i;
            RasterImage image;
            string fileName;

            if (e.RequestedFramesIndexes.Length > 0)
            {
               fileName = (string)(_seriesManager.Stacks[0].Items[e.RequestedFramesIndexes[0]].Data);
               image = _codecs.Load(fileName);
            }
            else
               return;

            for (i = 1; i < e.RequestedFramesIndexes.Length; i++)
            {
               fileName = (string)(_seriesManager.Stacks[0].Items[e.RequestedFramesIndexes[i]].Data);
               image.AddPage(_codecs.Load(fileName));
            }

            cell.SetRequestedImage(image, e.RequestedFramesIndexes, MedicalViewerSetImageOptions.Insert);
         }

         public MedicalViewer Viewer
         {
            get { return _medicalViewer; }
         }
      }

      MedicalViewerDynamicZoomForm GetMedicalViewerDynamicZoomForm()
      {
         MessageBox.Show("Zoom by clicking on the area you want to zoom using the left mouse button");
         MedicalViewerSeriesManagerFrom form = new MedicalViewerSeriesManagerFrom();
         MedicalViewerSeriesManager output = form.LoadJamesHead();

         return new MedicalViewerDynamicZoomForm(output);
      }

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

      public void MedicalViewerDynamicZoomExample()
      {
         MedicalViewerDynamicZoomForm myForm = GetMedicalViewerDynamicZoomForm();
         MedicalViewer medicalViewer = myForm.Viewer;

         myForm.ShowDialog();
      }
Requirements

Target Platforms

See Also

Reference

MedicalViewerCell Class
MedicalViewerCell Members

 

 


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Leadtools.MedicalViewer requires a Medical Imaging license and unlock key. For more information, refer to: Imaging Pro/Document/Medical Features