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PointToImage(Int32,Point) Method
See Also 
Leadtools.MedicalViewer Namespace > MedicalViewerMultiCell Class > PointToImage Method : PointToImage(Int32,Point) Method



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

The PointToImage(Int32,Point) Method is available as an add-on to the LEADTOOLS Medical Imaging toolkits.

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

Syntax

Visual Basic (Declaration) 
Overloads Public Function PointToImage( _
   ByVal subCellIndex As Integer, _
   ByVal point As Point _
) As Point
Visual Basic (Usage)Copy Code
Dim instance As MedicalViewerMultiCell
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 zero-based index of the sub-cell that contains the image which is having its coordinates retrieved.
point
The System.Drawing.Point object that represents the mouse coordinates.

Return Value

A System.Drawing.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()
         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(Path.Combine(LEAD_VARS.ImagesDir, "xa.dcm"))
         Dim cell As MedicalViewerMultiCell = New MedicalViewerMultiCell(_image, True, 1, 1)
         _medicalViewer.Cells.Add(cell)

         ' 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(Path.Combine(LEAD_VARS.ImagesDir, "mr.dcm"))
         _medicalViewer.Cells.Add(New MedicalViewerMultiCell(_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)


         Controls.Add(_medicalViewer)
         _medicalViewer.Dock = DockStyle.Fill
      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.
   <Test> _
   Public Sub MedicalViewerPointToImageExample()
      Dim myForm As MedicalViewerForm6 = GetMedicalControl6()
      Dim medicalViewer As MedicalViewer = myForm.Viewer
      Dim cell As MedicalViewerMultiCell = CType(medicalViewer.Cells(0), MedicalViewerMultiCell)

      AddHandler cell.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
      Dim cell As MedicalViewerMultiCell = CType(viewer.Cells(0), MedicalViewerMultiCell)

      cell.Image.Page = e.SubCellIndex + 1
      point = cell.PointToImage(New Point(e.X, e.Y))
      cell.Image.SetPixelColor(point.Y, point.X, New RasterColor(255, 255, 255))
      cell.Invalidate()
   End Sub

Public NotInheritable Class LEAD_VARS
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class
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 _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(Path.Combine(LEAD_VARS.ImagesDir,"xa.dcm"));
             MedicalViewerMultiCell cell = new MedicalViewerMultiCell(_image, true, 1, 1);
             _medicalViewer.Cells.Add(cell);

             // 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(Path.Combine(LEAD_VARS.ImagesDir,"mr.dcm"));
             _medicalViewer.Cells.Add(new MedicalViewerMultiCell(_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);


             Controls.Add(_medicalViewer);
             _medicalViewer.Dock = DockStyle.Fill;
         }
         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;
         MedicalViewerMultiCell cell = (MedicalViewerMultiCell)(medicalViewer.Cells[0]);

         cell.CellMouseDown += new EventHandler<MedicalViewerCellMouseEventArgs>(medicalViewer_CellMouseDown);

         myForm.ShowDialog();
     }

     void medicalViewer_CellMouseDown(object sender, MedicalViewerCellMouseEventArgs e)
     {
         MedicalViewer viewer = (MedicalViewer)sender;
         Point point;
         MedicalViewerMultiCell cell = (MedicalViewerMultiCell)(viewer.Cells[0]);

         cell.Image.Page = e.SubCellIndex + 1;
         point = cell.PointToImage(new Point(e.X, e.Y));
         cell.Image.SetPixelColor(point.Y, point.X, new RasterColor(255, 255, 255));
         cell.Invalidate();
     }

static class LEAD_VARS
{
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}

Requirements

Target Platforms: Microsoft .NET Framework 2.0, Windows 2000, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7

See Also

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