PanoramicDataRequested Event

using Leadtools; 
using Leadtools.Dicom; 
using Leadtools.Medical3D; 
using Leadtools.Codecs; 
using Leadtools.MedicalViewer; 
using Leadtools.ImageProcessing; 
using Leadtools.ImageProcessing.Core; 
using Leadtools.ImageProcessing.Color; 
using Leadtools.Annotations.Engine; 
using Leadtools.Annotations.Designers; 
 
class MedicalViewerMPRPolygonForm : Form 
{ 
   private MedicalViewer _medicalViewer; 
   private MedicalViewerSeriesManager _seriesManager; 
 
   void MedicalViewerLocalizer_SizeChanged(object sender, EventArgs e) 
   { 
      _medicalViewer.Size = new Size(this.ClientRectangle.Right, this.ClientRectangle.Bottom); 
   } 
 
   public MedicalViewerMPRPolygonForm(MedicalViewerSeriesManager output) 
   { 
      DicomEngine.Startup(); 
      RasterCodecs _codecs = new RasterCodecs(); 
 
      this.SizeChanged += new EventHandler(MedicalViewerLocalizer_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); 
 
      _seriesManager = output; 
 
      MedicalViewerMultiCell cell = new MedicalViewerMultiCell(null, true, 1, 1); 
 
      int index; 
      int count = output.Stacks[0].Items.Count; 
      CodecsImageInfo codecsInformation; 
 
      MedicalViewerImageInformation[] imageInformation = new MedicalViewerImageInformation[count]; 
 
      for (index = 0; index < count; index++) 
      { 
         codecsInformation = _codecs.GetInformation((string)(output.Stacks[0].Items[index].Data), true); 
 
         imageInformation[index] = new MedicalViewerImageInformation(); 
         imageInformation[index].ImageHeight = codecsInformation.Width; 
         imageInformation[index].ImageWidth = codecsInformation.Width; 
         imageInformation[index].XResolution = codecsInformation.XResolution; 
         imageInformation[index].YResolution = codecsInformation.YResolution; 
      } 
 
      cell.FramesRequested += new EventHandler<MedicalViewerRequestedFramesInformationEventArgs>(cell_FramesRequested); 
      FormClosing += new FormClosingEventHandler(MedicalViewerLocalizer_FormClosing); 
      cell.EnableLowMemoryUsage(2, count, imageInformation); 
 
      _medicalViewer.Cells.Add(cell); 
 
      // add some actions that will be used to change the properties of the images inside the control. 
      cell.AddAction(MedicalViewerActionType.WindowLevel); 
      cell.AddAction(MedicalViewerActionType.Alpha); 
      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.WindowLevel, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active); 
      cell.SetAction(MedicalViewerActionType.Alpha, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active); 
      cell.SetAction(MedicalViewerActionType.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active); 
 
      cell.ReferenceLine.Enabled = true; 
      cell.ReferenceLine.Color = Color.Yellow; 
      cell.ShowCellBoundaries = true; 
 
      // 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); 
 
      cell.PixelSpacing = output.Stacks[0].PixelSpacing; 
 
      for (index = 0; index < count; index++) 
      { 
         cell.SetImagePosition(index, output.Stacks[0].Items[index].ImagePosition, (index == count - 1)); 
      } 
      cell.ImageOrientation = output.Stacks[0].Items[0].ImageOrientationArray; 
      cell.FrameOfReferenceUID = output.Stacks[0].Items[0].FrameOfReferenceUID; 
 
      int width = cell.VirtualImage[cell.ActiveSubCell].Image.Width; 
      int height = cell.VirtualImage[cell.ActiveSubCell].Image.Height; 
 
 
 
      Controls.Add(_medicalViewer); 
      _medicalViewer.Dock = DockStyle.Fill; 
      DicomEngine.Shutdown(); 
 
      // create a new polygon 
      MedicalViewerMPRPolygon polygon = new MedicalViewerMPRPolygon(); 
 
      // set some point, here we created a polygon that resembles a rectangle with a missing bottom line. 
      polygon.Points.Add(new PointF(width * 1 / 4, height * 3 / 4)); 
      polygon.Points.Add(new PointF(width * 1 / 4, height * 1 / 4)); 
      polygon.Points.Add(new PointF(width * 3 / 4, height * 1 / 4)); 
      polygon.Points.Add(new PointF(width * 3 / 4, height * 3 / 4)); 
 
 
      // now add this polygon you prepared to the cell. 
      cell.Polygons.Add(polygon); 
 
      // This event is important, because it's used to request the data that is need to create the internal panoramic data. 
      cell.PanoramicDataRequested += new EventHandler<MedicalViewerPanoramicDataRequestedEventArgs>(cell_PanoramicDataRequested); 
 
      // This event communicate with the Medical3D dll which contains all the internal panormaic calculations. 
      cell.Data3DRequested += new EventHandler<MedicalViewerData3DRequestedEventArgs>(cell_Data3DRequested); 
 
      // Dispose the internal data automatically if the use decided to delete the polygon. 
      cell.AutoDisposeInternalData = true; 
 
      // register the polygon click  
      cell.MPRPolygonClicked += new EventHandler<MedicalViewerMPRPolygonClickedEventsArgs>(cell_MPRPolygonClicked); 
 
      CreatePanoramicCell(cell, polygon); 
      polygon.Recalculate(); 
   } 
 
   void cell_Data3DRequested(object sender, MedicalViewerData3DRequestedEventArgs e) 
   { 
      e.Succeed = Medical3DEngine.Provide3DInformation(e); 
   } 
 
   void CreatePanoramicCell(MedicalViewerMultiCell cellSource, MedicalViewerMPRPolygon polygon) 
   { 
      // create a new panoramic cell assigned to the polygon you created. 
      MedicalViewerPanoramicCell cell = new MedicalViewerPanoramicCell(polygon); 
 
      // add some action, not necessary though. 
      cell.AddAction(MedicalViewerActionType.WindowLevel); 
      cell.AddAction(MedicalViewerActionType.Scale); 
      cell.AddAction(MedicalViewerActionType.Offset); 
      cell.AddAction(MedicalViewerActionType.Stack); 
      cell.SetAction(MedicalViewerActionType.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.AllCells | MedicalViewerActionFlags.RealTime); 
      cell.SetAction(MedicalViewerActionType.Stack, MedicalViewerMouseButtons.Wheel, MedicalViewerActionFlags.Active); 
      cell.SetAction(MedicalViewerActionType.Scale, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active); 
 
      // Add the panoramic cell the viewer. 
      _medicalViewer.Cells.Add(cell); 
 
      // Create a paraxial cell, and assign it to the polygon you just created. 
      MedicalViewerParaxialCutCell paraxialCell = new MedicalViewerParaxialCutCell (polygon, 0); 
 
      // set the distance and the length of the paraxial cuts. 
      paraxialCell.ParaxialDistance = 20; 
      paraxialCell.ParaxialLength = 200; 
 
      // Add the paraxial cuts to the viewer. 
      _medicalViewer.Cells.Add(paraxialCell); 
   } 
 
   void cell_MPRPolygonClicked(object sender, MedicalViewerMPRPolygonClickedEventsArgs e) 
   { 
      MedicalViewerMultiCell cell = (MedicalViewerMultiCell)sender; 
      MedicalViewerParaxialCutCell paraxialCell = (MedicalViewerParaxialCutCell)_medicalViewer.Cells[2]; 
 
      // if the user clicks on other polygon lines, the paraxial cut will be assigned to that line 
      if ((e.Button == MouseButtons.Left) && e.Type == MedicalViewerMPRPolygonHitTest.Body) 
      { 
         paraxialCell.PolygonLineIndex = e.Index; 
      } 
   } 
 
 
   void cell_PanoramicDataRequested(object sender, MedicalViewerPanoramicDataRequestedEventArgs e) 
   { 
      // get the cell that requested the MPR data. 
      MedicalViewerMultiCell cell = (MedicalViewerMultiCell)sender; 
 
      // instantiate a new raster codecs, which will be used to load the requested image. 
      RasterCodecs _codecs = new RasterCodecs(); 
 
      // the file name of the images loaded in the original cell. 
      String fileName = (string)(_seriesManager.Stacks[0].Items[e.FrameIndex].Data); 
 
      // load the image and set it to e.Frame. 
      e.Frame = _codecs.Load(fileName, 0, CodecsLoadByteOrder.BgrOrGrayOrRomm, e.FrameIndex + 1, e.FrameIndex + 1); 
   } 
 
   void MedicalViewerLocalizer_FormClosing(object sender, FormClosingEventArgs e) 
   { 
   } 
 
   void cell_FramesRequested(object sender, MedicalViewerRequestedFramesInformationEventArgs e) 
   { 
      MedicalViewerMultiCell cell = (MedicalViewerMultiCell)(sender); 
      RasterCodecs _codecs = new RasterCodecs(); 
      int i; 
      RasterImage image; 
      string fileName; 
 
      if (e.RequestedFramesIndexes.Length > 0) 
      { 
         fileName = (string)(_seriesManager.Stacks[0].Items[e.RequestedFramesIndexes[0]].Data); 
         image = _codecs.Load(fileName); 
      } 
      else 
         return; 
 
      for (i = 1; i < e.RequestedFramesIndexes.Length; i++) 
      { 
         fileName = (string)(_seriesManager.Stacks[0].Items[e.RequestedFramesIndexes[i]].Data); 
         image.AddPage(_codecs.Load(fileName)); 
      } 
 
      cell.SetRequestedImage(image, e.RequestedFramesIndexes, MedicalViewerSetImageOptions.Insert); 
   } 
 
   public MedicalViewer Viewer 
   { 
      get { return _medicalViewer; } 
   } 
} 
 
MedicalViewerMPRPolygonForm GetMedicalViewerMPRPolygonForm() 
{ 
   MedicalViewerSeriesManagerFrom form = new MedicalViewerSeriesManagerFrom(); 
   MedicalViewerSeriesManager output = form.LoadJamesHead(); 
 
   return new MedicalViewerMPRPolygonForm(output); 
} 
 
// This example changes the default window level value by decrease the width by 100. Then resets the images based on the new value. 
public void MedicalViewerMPRPolygonExample() 
{ 
   MedicalViewerMPRPolygonForm myForm = GetMedicalViewerMPRPolygonForm(); 
   MedicalViewer medicalViewer = myForm.Viewer; 
 
   myForm.ShowDialog(); 
}