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GetDisplayedClippedImageRectangle Method (MedicalViewerCell)

Summary

Gets the System.Drawing.Rectangle that represent the part of the cell or sub-cell that is occupied by the image.

Syntax

C++

public Rectangle GetDisplayedClippedImageRectangle()

Public Function GetDisplayedClippedImageRectangle() As Rectangle

public: 
Rectangle GetDisplayedClippedImageRectangle();

Return Value

A System.Drawing.Rectangle that represents the part of the cell or sub-cell that is occupied by the image.

Remarks

To get the rectangle of the whole image, call the method GetDisplayedImageRectangle
To get the rectangle of cell or the sub-cell, call the method GetDisplayedRectangle

Example

Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.MedicalViewer 
 
<TestMethod()> _ 
Public Sub GetDisplayedClippedImageRectangle() 
    Dim form As GetDispalyedClippedImageRectangleMainForm = New GetDispalyedClippedImageRectangleMainForm() 
    form.ShowDialog() 
End Sub 
' GetDispalyedClippedImageRectangleMainForm will be the owner of the medical viewer control. 
Private Class GetDispalyedClippedImageRectangleMainForm : Inherits Form 
    Public _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 
 
        ' Create the medical viewer and adjust some properties. 
        _medicalViewer = New MedicalViewer() 
        _medicalViewer.Rows = 2 
        _medicalViewer.Columns = 1 
        _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, "image2.cmp")) 
 
        Dim cell As MedicalViewerMultiCell = New MedicalViewerMultiCell(_image, True, 1, 1) 
 
        ' add some actions that will be used to change the properties of the images inside the control. 
        cell.AddAction(MedicalViewerActionType.Scale) 
        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.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active) 
        cell.SetAction(MedicalViewerActionType.Scale, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active) 
 
        cell.SetTag(1, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.UserData) 
        AddHandler cell.UIChanged, AddressOf Viewer_UIChanged 
 
        _medicalViewer.Cells.Add(cell) 
 
        Controls.Add(_medicalViewer) 
        _medicalViewer.Dock = DockStyle.Fill 
    End Sub 
 
    Private Sub Viewer_UIChanged(ByVal sender As Object, ByVal e As MedicalViewerUIChangedEventArgs) 
        Dim cell As MedicalViewerMultiCell = CType(sender, MedicalViewerMultiCell) 
        If e.ActionType = MedicalViewerActionType.Offset OrElse e.ActionType = MedicalViewerActionType.Scale Then 
            Dim theClippedRectangle As Rectangle = cell.GetDisplayedClippedImageRectangle() 
            Dim ImageRectangle As Rectangle = cell.GetDisplayedImageRectangle() 
 
            Dim Ratio As Integer = (theClippedRectangle.Width * theClippedRectangle.Height) * 1000 \ (ImageRectangle.Width * ImageRectangle.Height) 
 
            Dim doubleRatio As Double = Ratio / 1000.0 
 
            Dim info As MedicalViewerTagInformation = New MedicalViewerTagInformation(1, MedicalViewerTagAlignment.BottomLeft, _ 
                                                                                      "Area of the image visible is " & (doubleRatio * 100).ToString() & _ 
                                                                                      "% of the whole image", MedicalViewerTagType.UserData) 
            _medicalViewer.Cells(e.CellIndex).EditTag(1, MedicalViewerTagAlignment.BottomLeft, info) 
        End If 
    End Sub 
End Class 
 
Public NotInheritable Class LEAD_VARS 
Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" 
End Class

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.MedicalViewer; 
 
 public void GetDisplayedClippedImageRectangle() 
{ 
   GetDispalyedClippedImageRectangleMainForm form = new GetDispalyedClippedImageRectangleMainForm(); 
   form.ShowDialog(); 
} 
// GetDispalyedClippedImageRectangleMainForm will be the owner of the medical viewer control. 
 class GetDispalyedClippedImageRectangleMainForm : Form 
{ 
   public MedicalViewer _medicalViewer; 
 
   void MedicalViewerForm_SizeChanged(object sender, EventArgs e) 
   { 
      _medicalViewer.Size = new Size(this.ClientRectangle.Right, this.ClientRectangle.Bottom); 
   } 
 
   public GetDispalyedClippedImageRectangleMainForm() 
   { 
      RasterCodecs _codecs = new RasterCodecs(); 
      RasterImage _image; 
 
      // Create the medical viewer and adjust some properties. 
      _medicalViewer = new MedicalViewer(); 
      _medicalViewer.Rows = 2; 
      _medicalViewer.Columns = 1; 
      _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,"image2.cmp")); 
 
      MedicalViewerMultiCell cell = new MedicalViewerMultiCell(_image, true, 1, 1); 
 
      // add some actions that will be used to change the properties of the images inside the control. 
      cell.AddAction(MedicalViewerActionType.Scale); 
      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.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active); 
      cell.SetAction(MedicalViewerActionType.Scale, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active); 
 
      cell.SetTag(1, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.UserData); 
      cell.UIChanged += new EventHandler<MedicalViewerUIChangedEventArgs>(Viewer_UIChanged); 
 
      _medicalViewer.Cells.Add(cell); 
 
      Controls.Add(_medicalViewer); 
      _medicalViewer.Dock = DockStyle.Fill; 
   } 
 
   void Viewer_UIChanged(object sender, MedicalViewerUIChangedEventArgs e) 
   { 
      MedicalViewerMultiCell cell = (MedicalViewerMultiCell)sender; 
       if (e.ActionType == MedicalViewerActionType.Offset ||   e.ActionType == MedicalViewerActionType.Scale) 
       { 
           Rectangle theClippedRectangle = cell.GetDisplayedClippedImageRectangle(); 
           Rectangle ImageRectangle = cell.GetDisplayedImageRectangle(); 
 
           int Ratio = (theClippedRectangle.Width * theClippedRectangle.Height) * 1000 / (ImageRectangle.Width * ImageRectangle.Height); 
 
           double doubleRatio = Ratio / 1000.0; 
 
           MedicalViewerTagInformation info = new MedicalViewerTagInformation(1, MedicalViewerTagAlignment.BottomLeft, "Area of the image visible is " + (doubleRatio * 100).ToString()  + "% of the whole image", MedicalViewerTagType.UserData); 
           _medicalViewer.Cells[e.CellIndex].EditTag(1, MedicalViewerTagAlignment.BottomLeft, info); 
       } 
   } 
} 
 
static class LEAD_VARS 
{ 
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; 
}