MedicalViewer Class

Summary

Represents a LEADTOOLS MedicalViewer control for displaying medical images.

Syntax
C#
VB
C++
public class MedicalViewer : Control 
  
Public Class MedicalViewer  
   Inherits System.Windows.Forms.Control 
   Implements System.ComponentModel.IComponent, System.ComponentModel.ISynchronizeInvoke, System.IDisposable, System.Windows.Forms.IBindableComponent, System.Windows.Forms.IDropTarget, System.Windows.Forms.IWin32Window  
            public ref class MedicalViewer : public System.Windows.Forms.Control, System.ComponentModel.IComponent, System.ComponentModel.ISynchronizeInvoke, System.IDisposable, System.Windows.Forms.IBindableComponent, System.Windows.Forms.IDropTarget, System.Windows.Forms.IWin32Window   

Remarks

The MedicalViewer is used to display graphics from a bitmap, metafile, icon, JPEG, GIF or PNG (or any other image file format supported by LEADTOOLS toolkits) file. It provides support for displaying one or more images and for the real-time manipulation of one or more images. This control is available only in the Medical toolkits. For more information, refer to Document/Medical Edition Support and Licensing Requirements

This control is a high-level component for building medical display applications such as DICOM viewers, view stations, Teleradiology solutions, and high-end diagnostic workstations found in radiology and other medical specialty departments. When building a PACS for radiology, cardiology, mammography, ophthalmology, pathology, dermatology, dentistry or any other specialty, this control will eliminate project complexity and provide a solid, reliable foundation.

Typical applications that can be built using this control include:

  • High-end medical diagnostic workstations.
  • Medical review and quality assurance stations.
  • DICOM viewers.
  • Light-weight viewers that are typically distributed on a CD with patient images.
  • Web-based medical viewers.

Key Features:

  • Display medical grayscale and colored images, including MRI, CT, Digital X-Ray, and Ultrasound.
  • Adjust screen layout both manually and programmatically.
  • Display overlay information on images, with full control over display text and its positioning inside each window. Includes built-in overlays such as window center, window width values, and field of view.
  • Built-in image manipulation tools, including:
    • Window level (brightness and contrast).
    • Zooming or scaling an image.
    • Panning or moving an image.
    • Image magnification.
    • Single-key or single-click stacking or moving from one image to another in a series.
    • Different annotation objects, with the ability to convert them into a region of interest, or calibrate the annotation ruler.
    • Different ways of defining the region of interest.
    • Drawing cut lines (single or double)
  • Adjustable settings for each tool, such as:
    • Mouse button controls
    • Keyboard (hotkey) controls
    • Cursor display icon
    • Apply effects to a single image, or to all images in a series
    • Apply effects to a single series or to all series managed by the control
    • Apply effects programmatically or through user interaction.
  • Full control over display container properties, such as colors, cursors, and rulers.
  • Built-in adjustable ruler that scales to image DPI and zoom or scale factor.
  • Interpolated image display for higher quality.

For more information, refer to Applying Actions and Using the Image Viewer.

Example

This examples creates a control and adds an image

C#
VB
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.MedicalViewer; 
 
public void MedicalViewerExample() 
{ 
   MainForm1 form = new MainForm1(); 
   form.ShowDialog(); 
} 
 
// MainForm1 will be the owner of the medical viewer control. 
class MainForm1 : Form 
{ 
   private MedicalViewer _medicalViewer; 
 
   void MedicalViewerForm_SizeChanged(object sender, EventArgs e) 
   { 
      _medicalViewer.Size = new Size(this.ClientRectangle.Right, this.ClientRectangle.Bottom); 
   } 
 
   public MainForm1() 
   { 
      RasterCodecs _codecs = new RasterCodecs(); 
      RasterImage _image; 
 
      // 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, @"ImageProcessingDemo\Image3.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.WindowLevel); 
      cell.AddAction(MedicalViewerActionType.Scale); 
      cell.AddAction(MedicalViewerActionType.Offset); 
      cell.AddAction(MedicalViewerActionType.Stack); 
 
      // 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.WindowLevel, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active); 
      cell.SetAction(MedicalViewerActionType.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active); 
      cell.SetAction(MedicalViewerActionType.Scale, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active); 
      cell.SetAction(MedicalViewerActionType.Stack, MedicalViewerMouseButtons.Wheel, MedicalViewerActionFlags.Active); 
 
      // assign the added actions to a keyboard keys that will work like the mouse. 
      MedicalViewerKeys medicalKeys = new MedicalViewerKeys(Keys.Down, Keys.Up, Keys.Left, Keys.Right, MedicalViewerModifiers.None); 
      cell.SetActionKeys(MedicalViewerActionType.Offset, medicalKeys); 
      medicalKeys.Modifiers = MedicalViewerModifiers.Ctrl; 
      cell.SetActionKeys(MedicalViewerActionType.WindowLevel, medicalKeys); 
      medicalKeys.MouseDown = Keys.PageDown; 
      medicalKeys.MouseUp = Keys.PageUp; 
      cell.SetActionKeys(MedicalViewerActionType.Stack, medicalKeys); 
      medicalKeys.MouseDown = Keys.Subtract; 
      medicalKeys.MouseUp = Keys.Add; 
      cell.SetActionKeys(MedicalViewerActionType.Scale, medicalKeys); 
 
      _medicalViewer.Cells.Add(cell); 
 
      // adjust some properties of the cell and add some tags. 
      cell.SetTag(2, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.UserData, "EX. ID 230-36-5448"); 
      cell.SetTag(4, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Frame); 
      cell.SetTag(6, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Scale); 
      cell.SetTag(2, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.WindowLevelData); 
      cell.SetTag(1, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.FieldOfView); 
      cell.SetTag(1, MedicalViewerTagAlignment.TopRight, MedicalViewerTagType.UserData, "Good, Guy"); 
      cell.SetTag(2, MedicalViewerTagAlignment.TopRight, MedicalViewerTagType.UserData, "PID 125-98-445"); 
      cell.SetTag(3, MedicalViewerTagAlignment.TopRight, MedicalViewerTagType.UserData, "DOB 08/02/1929"); 
      cell.SetTag(5, MedicalViewerTagAlignment.TopRight, MedicalViewerTagType.UserData, "03/16/1999"); 
      cell.SetTag(0, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.RulerUnit); 
      cell.Rows = 1; 
      cell.Columns = 1; 
      cell.Frozen = false; 
      cell.DisplayRulers = MedicalViewerRulers.Both; 
      cell.ApplyOnIndividualSubCell = false; 
      cell.ApplyActionOnMove = true; 
      cell.FitImageToCell = true; 
      cell.Selected = true; 
      cell.ShowTags = true; 
 
      // Load an image and then add it to the control. 
      _image = _codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "image2.cmp")); 
 
      MedicalViewerMultiCell cell1 = new MedicalViewerMultiCell(_image); 
      _medicalViewer.Cells.Add(cell1); 
 
 
      // add some actions that will be used to change the properties of the images inside the control. 
      cell1.AddAction(MedicalViewerActionType.WindowLevel); 
      cell1.AddAction(MedicalViewerActionType.Scale); 
      cell1.AddAction(MedicalViewerActionType.Offset); 
      cell1.AddAction(MedicalViewerActionType.Stack); 
 
      // 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. 
      cell1.SetAction(MedicalViewerActionType.WindowLevel, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active); 
      cell1.SetAction(MedicalViewerActionType.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active); 
      cell1.SetAction(MedicalViewerActionType.Scale, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active); 
      cell1.SetAction(MedicalViewerActionType.Stack, MedicalViewerMouseButtons.Wheel, MedicalViewerActionFlags.Active); 
 
      // assign the added actions to a keyboard keys that will work like the mouse. 
      medicalKeys = new MedicalViewerKeys(Keys.Down, Keys.Up, Keys.Left, Keys.Right, MedicalViewerModifiers.None); 
      cell1.SetActionKeys(MedicalViewerActionType.Offset, medicalKeys); 
      medicalKeys.Modifiers = MedicalViewerModifiers.Ctrl; 
      cell1.SetActionKeys(MedicalViewerActionType.WindowLevel, medicalKeys); 
      medicalKeys.MouseDown = Keys.PageDown; 
      medicalKeys.MouseUp = Keys.PageUp; 
      cell1.SetActionKeys(MedicalViewerActionType.Stack, medicalKeys); 
      medicalKeys.MouseDown = Keys.Subtract; 
      medicalKeys.MouseUp = Keys.Add; 
      cell1.SetActionKeys(MedicalViewerActionType.Scale, medicalKeys); 
 
      // adjust some properties of the cell and add some tags. 
      cell1.SetTag(2, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.UserData, "EX. ID 230-36-5448"); 
      cell1.SetTag(4, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Frame); 
      cell1.SetTag(6, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Scale); 
      cell1.SetTag(2, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.WindowLevelData); 
      cell1.SetTag(1, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.FieldOfView); 
      cell1.SetTag(1, MedicalViewerTagAlignment.TopRight, MedicalViewerTagType.UserData, "Good, Guy"); 
      cell1.SetTag(2, MedicalViewerTagAlignment.TopRight, MedicalViewerTagType.UserData, "PID 125-98-445"); 
      cell1.SetTag(3, MedicalViewerTagAlignment.TopRight, MedicalViewerTagType.UserData, "DOB 08/02/1929"); 
      cell1.SetTag(5, MedicalViewerTagAlignment.TopRight, MedicalViewerTagType.UserData, "03/16/1999"); 
      cell1.SetTag(0, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.RulerUnit); 
      cell1.Rows = 2; 
      cell1.Columns = 2; 
      cell1.Frozen = false; 
      cell1.DisplayRulers = MedicalViewerRulers.Both; 
      cell1.ApplyOnIndividualSubCell = false; 
      cell1.ApplyActionOnMove = true; 
      cell1.FitImageToCell = true; 
      cell1.Selected = true; 
      cell1.ShowTags = true; 
 
      Controls.Add(_medicalViewer); 
      _medicalViewer.Dock = DockStyle.Fill; 
   } 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; 
} 
Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.MedicalViewer 
 
Public Sub MedicalViewerExample() 
   Dim form As MainForm1 = New MainForm1() 
   form.ShowDialog() 
End Sub 
 
' MainForm1 will be the owner of the medical viewer control. 
Private Class MainForm1 : 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 
 
      ' 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, "ImageProcessingDemo\Image3.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.WindowLevel) 
      cell.AddAction(MedicalViewerActionType.Scale) 
      cell.AddAction(MedicalViewerActionType.Offset) 
      cell.AddAction(MedicalViewerActionType.Stack) 
 
      ' 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.WindowLevel, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active) 
      cell.SetAction(MedicalViewerActionType.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active) 
      cell.SetAction(MedicalViewerActionType.Scale, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active) 
      cell.SetAction(MedicalViewerActionType.Stack, MedicalViewerMouseButtons.Wheel, MedicalViewerActionFlags.Active) 
 
      ' assign the added actions to a keyboard keys that will work like the mouse. 
      Dim medicalKeys As MedicalViewerKeys = New MedicalViewerKeys(Keys.Down, Keys.Up, Keys.Left, Keys.Right, MedicalViewerModifiers.None) 
      cell.SetActionKeys(MedicalViewerActionType.Offset, medicalKeys) 
      medicalKeys.Modifiers = MedicalViewerModifiers.Ctrl 
      cell.SetActionKeys(MedicalViewerActionType.WindowLevel, medicalKeys) 
      medicalKeys.MouseDown = Keys.PageDown 
      medicalKeys.MouseUp = Keys.PageUp 
      cell.SetActionKeys(MedicalViewerActionType.Stack, medicalKeys) 
      medicalKeys.MouseDown = Keys.Subtract 
      medicalKeys.MouseUp = Keys.Add 
      cell.SetActionKeys(MedicalViewerActionType.Scale, medicalKeys) 
 
      _medicalViewer.Cells.Add(cell) 
 
      ' adjust some properties of the cell and add some tags. 
      cell.SetTag(2, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.UserData, "EX. ID 230-36-5448") 
      cell.SetTag(4, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Frame) 
      cell.SetTag(6, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Scale) 
      cell.SetTag(2, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.WindowLevelData) 
      cell.SetTag(1, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.FieldOfView) 
      cell.SetTag(1, MedicalViewerTagAlignment.TopRight, MedicalViewerTagType.UserData, "Good, Guy") 
      cell.SetTag(2, MedicalViewerTagAlignment.TopRight, MedicalViewerTagType.UserData, "PID 125-98-445") 
      cell.SetTag(3, MedicalViewerTagAlignment.TopRight, MedicalViewerTagType.UserData, "DOB 08/02/1929") 
      cell.SetTag(5, MedicalViewerTagAlignment.TopRight, MedicalViewerTagType.UserData, "03/16/1999") 
      cell.SetTag(0, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.RulerUnit) 
      cell.Rows = 1 
      cell.Columns = 1 
      cell.Frozen = False 
      cell.DisplayRulers = MedicalViewerRulers.Both 
      cell.ApplyOnIndividualSubCell = False 
      cell.ApplyActionOnMove = True 
      cell.FitImageToCell = True 
      cell.Selected = True 
      cell.ShowTags = True 
 
      ' Load an image and then add it to the control. 
      _image = _codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "image2.cmp")) 
 
      Dim cell1 As MedicalViewerMultiCell = New MedicalViewerMultiCell(_image) 
      _medicalViewer.Cells.Add(cell1) 
 
 
      ' add some actions that will be used to change the properties of the images inside the control. 
      cell1.AddAction(MedicalViewerActionType.WindowLevel) 
      cell1.AddAction(MedicalViewerActionType.Scale) 
      cell1.AddAction(MedicalViewerActionType.Offset) 
      cell1.AddAction(MedicalViewerActionType.Stack) 
 
      ' 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. 
      cell1.SetAction(MedicalViewerActionType.WindowLevel, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active) 
      cell1.SetAction(MedicalViewerActionType.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active) 
      cell1.SetAction(MedicalViewerActionType.Scale, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active) 
      cell1.SetAction(MedicalViewerActionType.Stack, MedicalViewerMouseButtons.Wheel, MedicalViewerActionFlags.Active) 
 
      ' assign the added actions to a keyboard keys that will work like the mouse. 
      medicalKeys = New MedicalViewerKeys(Keys.Down, Keys.Up, Keys.Left, Keys.Right, MedicalViewerModifiers.None) 
      cell1.SetActionKeys(MedicalViewerActionType.Offset, medicalKeys) 
      medicalKeys.Modifiers = MedicalViewerModifiers.Ctrl 
      cell1.SetActionKeys(MedicalViewerActionType.WindowLevel, medicalKeys) 
      medicalKeys.MouseDown = Keys.PageDown 
      medicalKeys.MouseUp = Keys.PageUp 
      cell1.SetActionKeys(MedicalViewerActionType.Stack, medicalKeys) 
      medicalKeys.MouseDown = Keys.Subtract 
      medicalKeys.MouseUp = Keys.Add 
      cell1.SetActionKeys(MedicalViewerActionType.Scale, medicalKeys) 
 
      ' adjust some properties of the cell and add some tags. 
      cell1.SetTag(2, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.UserData, "EX. ID 230-36-5448") 
      cell1.SetTag(4, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Frame) 
      cell1.SetTag(6, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Scale) 
      cell1.SetTag(2, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.WindowLevelData) 
      cell1.SetTag(1, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.FieldOfView) 
      cell1.SetTag(1, MedicalViewerTagAlignment.TopRight, MedicalViewerTagType.UserData, "Good, Guy") 
      cell1.SetTag(2, MedicalViewerTagAlignment.TopRight, MedicalViewerTagType.UserData, "PID 125-98-445") 
      cell1.SetTag(3, MedicalViewerTagAlignment.TopRight, MedicalViewerTagType.UserData, "DOB 08/02/1929") 
      cell1.SetTag(5, MedicalViewerTagAlignment.TopRight, MedicalViewerTagType.UserData, "03/16/1999") 
      cell1.SetTag(0, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.RulerUnit) 
      cell1.Rows = 2 
      cell1.Columns = 2 
      cell1.Frozen = False 
      cell1.DisplayRulers = MedicalViewerRulers.Both 
      cell1.ApplyOnIndividualSubCell = False 
      cell1.ApplyActionOnMove = True 
      cell1.FitImageToCell = True 
      cell1.Selected = True 
      cell1.ShowTags = True 
 
      Controls.Add(_medicalViewer) 
      _medicalViewer.Dock = DockStyle.Fill 
   End Sub 
End Class 
 
Public NotInheritable Class LEAD_VARS 
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" 
End Class 

Requirements

Target Platforms

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Leadtools.MedicalViewer Assembly