PointToImage Method

Summary
Returns the image coordinates corresponding to the mouse coordinates specified by the user.
Syntax
C#
VB
C++
public Point PointToImage( 
   int subCellIndex, 
   Point point 
) 
  
Public Overloads Function PointToImage( _ 
   ByVal subCellIndex As Integer, _ 
   ByVal point As Point _ 
) As Point 
            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
C#
VB
using Leadtools; 
using Leadtools.Drawing; 
using Leadtools.Codecs; 
using Leadtools.MedicalViewer; 
using Leadtools.ImageProcessing; 
using Leadtools.Annotations.Engine; 
using Leadtools.Annotations.Designers; 
using Leadtools.Annotations.Rendering; 
 
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 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); 
 
 
      // 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 of 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:\LEADTOOLS21\Resources\Images"; 
} 
Imports Leadtools 
Imports Leadtools.Drawing 
Imports Leadtools.Codecs 
Imports Leadtools.MedicalViewer 
Imports Leadtools.ImageProcessing 
Imports Leadtools.Annotations.Engine 
Imports Leadtools.Annotations.Designers 
Imports Leadtools.Annotations.Rendering 
 
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 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) 
 
 
      ' 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 of 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. 
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:\LEADTOOLS21\Resources\Images" 
End Class
Requirements

Target Platforms

Help Version 21.0.2021.6.30
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Leadtools.MedicalViewer Assembly
Introduction
Getting Started
Namespaces
Leadtools.MedicalViewer Namespace
Assemblies
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© 1991-2021 LEAD Technologies, Inc. All Rights Reserved.