Leadtools.MedicalViewer Requires Medical Imaging license | Send comments on this topic. | Back to Introduction - All Topics | Help Version 16.5.9.25
PointToImage(Int32,Point) Method
See Also  Example
Leadtools.MedicalViewer Namespace > MedicalViewerCell Class > PointToImage Method : PointToImage(Int32,Point) Method



subCellIndex
The index of the sub-cell that contains the image which is having its coordinates retrieved.
point
The Point object that represents the mouse coordinates.
Returns the image coordinates corresponding to the mouse coordinates specified by the user.

Syntax

Visual Basic (Declaration) 
Public Overloads Function PointToImage( _
   ByVal subCellIndex As Integer, _
   ByVal point As Point _
) As Point
Visual Basic (Usage)Copy Code
Dim instance As MedicalViewerCell
Dim subCellIndex As Integer
Dim point As Point
Dim value As Point
 
value = instance.PointToImage(subCellIndex, point)
C# 
public Point PointToImage( 
   int subCellIndex,
   Point point
)
C++/CLI 
public:
Point PointToImage( 
   int subCellIndex,
   Point point
)

Parameters

subCellIndex
The index of the sub-cell that contains the image which is having its coordinates retrieved.
point
The Point object that represents the mouse coordinates.

Return Value

A Point object that contains the image coordinates.

Example

Visual BasicCopy Code
Private Class MedicalViewerForm6 : Inherits Form
   Private _medicalViewer As MedicalViewer
   Private Sub MedicalViewerForm_SizeChanged(ByVal sender As Object, ByVal e As EventArgs)
      _medicalViewer.Size = New Size(Me.ClientRectangle.Right, Me.ClientRectangle.Bottom)
   End Sub

   Public Sub New()
      RasterCodecs.Startup()
      Dim _codecs As RasterCodecs = New RasterCodecs()
      Dim _image As RasterImage

      AddHandler SizeChanged, AddressOf MedicalViewerForm_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)

      ' Load an image and then add it to the control.
      _image = _codecs.Load(LeadtoolsExamples.Common.ImagesPath.Path + "xa.dcm")
      _medicalViewer.Cells.Add(New MedicalViewerCell(_image, True, 1, 1))

      ' adjust some properties to 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)


      ' Load another image and then add it to the control.
      _image = _codecs.Load(LeadtoolsExamples.Common.ImagesPath.Path + "mr.dcm")
      _medicalViewer.Cells.Add(New MedicalViewerCell(_image, True, 2, 2))

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


      RasterCodecs.Shutdown()
      Controls.Add(_medicalViewer)
   End Sub
   Public ReadOnly Property Viewer() As MedicalViewer
      Get
         Return _medicalViewer
      End Get
   End Property
End Class

Private Function GetMedicalControl6() As MedicalViewerForm6
   Return New MedicalViewerForm6()
End Function

' this example draw dots on the image when clicking on it using the left mouse button.

Public Sub MedicalViewerPointToImageExample()
   Dim myForm As MedicalViewerForm6 = GetMedicalControl6()
   Dim medicalViewer As MedicalViewer = myForm.Viewer

   AddHandler medicalViewer.CellMouseDown, AddressOf medicalViewer_CellMouseDown

   myForm.ShowDialog()
End Sub

Private Sub medicalViewer_CellMouseDown(ByVal sender As Object, ByVal e As MedicalViewerCellMouseEventArgs)
   Dim viewer As MedicalViewer = CType(sender, MedicalViewer)
   Dim point As Point

   viewer.Cells(e.CellIndex).Image.Page = e.SubCellIndex + 1
   point = viewer.Cells(e.CellIndex).PointToImage(New Point(e.X, e.Y))
   viewer.Cells(e.CellIndex).Image.SetPixelColor(point.Y, point.X, New RasterColor(255, 255, 255))
   viewer.Cells(e.CellIndex).Invalidate()
End Sub
C#Copy Code
class MedicalViewerForm6 : Form 
{ 
    private MedicalViewer _medicalViewer; 
    void MedicalViewerForm_SizeChanged(object sender, EventArgs e) 
    { 
        _medicalViewer.Size = new Size(this.ClientRectangle.Right, this.ClientRectangle.Bottom); 
    } 
 
    public MedicalViewerForm6() 
    { 
        RasterCodecs.Startup(); 
        RasterCodecs _codecs = new RasterCodecs(); 
        RasterImage _image; 
 
        this.SizeChanged += new EventHandler(MedicalViewerForm_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); 
 
        // Load an image and then add it to the control. 
        _image = _codecs.Load(LeadtoolsExamples.Common.ImagesPath.Path + "xa.dcm"); 
        _medicalViewer.Cells.Add(new MedicalViewerCell(_image, true, 1, 1)); 
 
        // adjust some properties to 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); 
 
 
        // Load another image and then add it to the control. 
        _image = _codecs.Load(LeadtoolsExamples.Common.ImagesPath.Path + "mr.dcm"); 
        _medicalViewer.Cells.Add(new MedicalViewerCell(_image, true, 2, 2)); 
 
        // adjust some properties to the cell and add some tags. 
        _medicalViewer.Cells[1].SetTag(2, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.UserData, "EX. ID 230-36-5448"); 
        _medicalViewer.Cells[1].SetTag(4, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Frame); 
        _medicalViewer.Cells[1].SetTag(6, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Scale); 
        _medicalViewer.Cells[1].SetTag(2, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.WindowLevelData); 
        _medicalViewer.Cells[1].SetTag(1, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.FieldOfView); 
 
 
        RasterCodecs.Shutdown(); 
        Controls.Add(_medicalViewer); 
    } 
    public MedicalViewer Viewer 
    { 
        get { return _medicalViewer; } 
    } 
} 
 
MedicalViewerForm6 GetMedicalControl6() 
{ 
    return new MedicalViewerForm6(); 
} 
 
// this example draw dots on the image when clicking on it using the left mouse button. 
 
public void MedicalViewerPointToImageExample() 
{ 
    MedicalViewerForm6 myForm = GetMedicalControl6(); 
    MedicalViewer medicalViewer = myForm.Viewer; 
 
    medicalViewer.CellMouseDown += new EventHandler<MedicalViewerCellMouseEventArgs>(medicalViewer_CellMouseDown); 
 
    myForm.ShowDialog(); 
} 
 
void medicalViewer_CellMouseDown(object sender, MedicalViewerCellMouseEventArgs e) 
{ 
    MedicalViewer viewer = (MedicalViewer)sender; 
    Point point; 
 
    viewer.Cells[e.CellIndex].Image.Page = e.SubCellIndex + 1; 
    point = viewer.Cells[e.CellIndex].PointToImage(new Point(e.X, e.Y)); 
    viewer.Cells[e.CellIndex].Image.SetPixelColor(point.Y, point.X, new RasterColor(255, 255, 255)); 
    viewer.Cells[e.CellIndex].Invalidate(); 
}

Requirements

Target Platforms: Microsoft .NET Framework 2.0, Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family

See Also

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