CreateCompoundGraphic Method

using Leadtools.Dicom.Constants;
using Leadtools;
using Leadtools.Dicom;

///
// Creates a RULER compound graphic
private DicomCompoundGraphic CreateCompoundGraphicRuler(string layerName)
{
   // Create a compound graphic 
   DicomCompoundGraphic compoundGraphic = new DicomCompoundGraphic();
   compoundGraphic.LayerName = layerName;

   compoundGraphic.Units = DicomAnnotationUnitsRelativityType.Pixel;
   compoundGraphic.Type = DicomAnnotationCompoundGraphicType.Ruler;

   DicomAnnotationPoint[] pts = new DicomAnnotationPoint[2];

   pts[0] = DicomAnnotationPointHelper.Create(300, 100);
   pts[1] = DicomAnnotationPointHelper.Create(450, 100);

   compoundGraphic.SetAnnotationPoints(pts, pts.Length);
   compoundGraphic.CompoundGraphicInstanceId = 100;
   compoundGraphic.GraphicGroupId = 0;
   compoundGraphic.RotationAngle = 0.0;
   compoundGraphic.RotationPoint = DicomAnnotationPointHelper.Create(0, 0);
   compoundGraphic.GapLength = 0.0f;
   compoundGraphic.DiameterOfVisibility = 0;
   compoundGraphic.TickAlignment = DicomAnnotationTickAlignmentType.Center;
   compoundGraphic.TickLabelAlignment = DicomAnnotationTickLabelAlignmentType.Bottom;
   compoundGraphic.ShowTickLabel = true;
   compoundGraphic.Filled = false;
   compoundGraphic.Options = DicomAnnotationOptions.Line | DicomAnnotationOptions.Text | DicomAnnotationOptions.CompoundGraphicInstanceId;

   // TextStyle
   compoundGraphic.TextStyle = new DicomTextStyle();
   compoundGraphic.TextStyle.TextOptions = DicomAnnotationTextOptions.FontName;
   compoundGraphic.TextStyle.FontName = "Arial";
   compoundGraphic.TextStyle.CssFontName = "serif";
   compoundGraphic.TextStyle.TextColorCieLabValue = new ushort[3] { 34866, 53484, 50171 };         // Red

   compoundGraphic.TextStyle.HorizontalAlign = DicomAnnotationHorizontalAlignmentType.Center;
   compoundGraphic.TextStyle.VerticalAlign = DicomAnnotationVerticalAlignmentType.Center;

   compoundGraphic.TextStyle.Shadow.ShadowStyle = DicomAnnotationShadowStyleType.Off;
   compoundGraphic.TextStyle.Shadow.ShadowOffsetX = 0;
   compoundGraphic.TextStyle.Shadow.ShadowOffsetY = 0;
   compoundGraphic.TextStyle.Shadow.ShadowColorCieLabValue = new ushort[3] { 0, 0, 0 };
   compoundGraphic.TextStyle.Shadow.ShadowOpacity = 0.0f;

   compoundGraphic.TextStyle.Underlined = false;
   compoundGraphic.TextStyle.Italic = false;
   compoundGraphic.TextStyle.Bold = false;

   // LineStyle
   compoundGraphic.LineStyle = new DicomLineStyle();
   compoundGraphic.LineStyle.LineOptions = DicomAnnotationLineOptions.None;
   compoundGraphic.LineStyle.LineOptions = DicomAnnotationLineOptions.PatternOffColorCielabValue | DicomAnnotationLineOptions.PatternOffOpacity;
   compoundGraphic.LineStyle.Shadow.ShadowStyle = DicomAnnotationShadowStyleType.Off;
   compoundGraphic.LineStyle.Shadow.ShadowOpacity = 0.0f;
   compoundGraphic.LineStyle.Shadow.ShadowOffsetX = 0.0f;
   compoundGraphic.LineStyle.Shadow.ShadowOffsetY = 0.0f;
   compoundGraphic.LineStyle.Shadow.ShadowColorCieLabValue = new ushort[3] { 0, 0, 0 };

   compoundGraphic.LineStyle.PatternOnColorCieLabValue = new ushort[3] { 21169, 53249, 5175 }; // This is 'blue'
   compoundGraphic.LineStyle.PatternOffColorCieLabValue = new ushort[3] { 0, 0, 0 };
   compoundGraphic.LineStyle.LineThickness = 1.0f;
   compoundGraphic.LineStyle.LineDashingStyle = DicomAnnotationDashStyleType.Solid;
   compoundGraphic.LineStyle.LinePattern = 0xFFFF;
   compoundGraphic.LineStyle.PatternOnOpacity = 1.0f;
   compoundGraphic.LineStyle.PatternOffOpacity = 0.0f;

   // RULER does not have a fill style

   // Major Ticks Sequence
   int nTickCount = 4;
   float fTickIncrement = (float)(1.0 / (float)nTickCount);
   compoundGraphic.MajorTicks.Clear();
   for (int i = 0; i < nTickCount; i++)
   {
      DicomMajorTick majorTickItem = new DicomMajorTick(i * fTickIncrement, "Label " + i.ToString());
      compoundGraphic.MajorTicks.Add(majorTickItem);
   }

   return compoundGraphic;
}

// Creates a RECTANGLE compound graphic (rotated, filled)
private DicomCompoundGraphic CreateCompoundGraphicRectangle(string layerName)
{
   // Create a compound graphic 
   DicomCompoundGraphic compoundGraphic = new DicomCompoundGraphic();

   compoundGraphic.LayerName = layerName;

   compoundGraphic.Units = DicomAnnotationUnitsRelativityType.Pixel;
   compoundGraphic.Type = DicomAnnotationCompoundGraphicType.Rectangle;

   DicomAnnotationPoint[] pts = new DicomAnnotationPoint[2];

   pts[0] = DicomAnnotationPointHelper.Create(100, 100);
   pts[1] = DicomAnnotationPointHelper.Create(200, 200);

   compoundGraphic.SetAnnotationPoints(pts, pts.Length);
   compoundGraphic.CompoundGraphicInstanceId = 200;
   compoundGraphic.GraphicGroupId = 0;
   compoundGraphic.RotationAngle = 45.0;
   compoundGraphic.RotationPoint = DicomAnnotationPointHelper.Create(150, 150);
   compoundGraphic.Filled = true;
   compoundGraphic.Options = DicomAnnotationOptions.Fill | DicomAnnotationOptions.Line | DicomAnnotationOptions.CompoundGraphicInstanceId;

   // LineStyle
   compoundGraphic.LineStyle = new DicomLineStyle();
   compoundGraphic.LineStyle.LineOptions = DicomAnnotationLineOptions.None;
   compoundGraphic.LineStyle.Shadow.ShadowStyle = DicomAnnotationShadowStyleType.Off;
   compoundGraphic.LineStyle.Shadow.ShadowOpacity = 0.0f;
   compoundGraphic.LineStyle.Shadow.ShadowOffsetX = 0.0f;
   compoundGraphic.LineStyle.Shadow.ShadowOffsetY = 0.0f;
   compoundGraphic.LineStyle.Shadow.ShadowColorCieLabValue = new ushort[3] { 1, 2, 3 };

   compoundGraphic.LineStyle.PatternOnColorCieLabValue = new ushort[3] { 24886, 53484, 50171 };   // red
   compoundGraphic.LineStyle.PatternOffColorCieLabValue = new ushort[3] { 0, 0, 0 };
   compoundGraphic.LineStyle.LineThickness = 2.0f;
   compoundGraphic.LineStyle.LineDashingStyle = DicomAnnotationDashStyleType.Solid;
   compoundGraphic.LineStyle.LinePattern = 0xFFFF;
   compoundGraphic.LineStyle.PatternOnOpacity = 1.0f;
   compoundGraphic.LineStyle.PatternOffOpacity = 0.0f;

   // FillStyle
   compoundGraphic.FillStyle = new DicomFillStyle();
   compoundGraphic.FillStyle.FillOptions = DicomAnnotationFillOptions.None;
   compoundGraphic.FillStyle.PatternOnColorCieLabValue = new ushort[3] { 21169, 53249, 5175 };  // blue
   compoundGraphic.FillStyle.PatternOffColorCieLabValue = new ushort[3] { 0, 0, 0 };
   compoundGraphic.FillStyle.PatternOnOpacity = 1.0f;
   compoundGraphic.FillStyle.PatternOffOpacity = 0.0f;
   compoundGraphic.FillStyle.FillMode = DicomAnnotationFillModeType.Solid;

   return compoundGraphic;
}

private async void DicomCompoundGraphicTest(string layerName, string outFile)
{
   DicomDataSet ds = new DicomDataSet();
   ds.Initialize(DicomClassType.GrayscaleSoftcopyPresentationState, DicomDataSetInitializeFlags.AddMandatoryModulesOnly | DicomDataSetInitializeFlags.AddMandatoryElementsOnly);
   ds.CreateGraphicAnnSQItem(0, layerName);
   DicomElement firstGraphicAnnSQItem = ds.FindFirstGraphicAnnSQItem();

   DicomCompoundGraphic ruler = CreateCompoundGraphicRuler(layerName);
   ds.CreateCompoundGraphic(firstGraphicAnnSQItem, ruler, false);

   DicomCompoundGraphic rotatedFilledRectangle = CreateCompoundGraphicRectangle(layerName);
   ds.CreateCompoundGraphic(firstGraphicAnnSQItem, rotatedFilledRectangle, false);

   // Save the presentation state (with annotations)
   string dicomFileNameOutput = outFile;
   StorageFile saveFile = await Tools.AppLocalFolder.CreateFileAsync(dicomFileNameOutput);
   ILeadStream streamOutput = LeadStreamFactory.Create(saveFile);
   using (IDisposable disposableOUT = streamOutput as IDisposable)
   {
      await ds.SaveAsync(streamOutput, DicomDataSetSaveFlags.None);
   }
   Debug.WriteLine("Presentation State Saved: " + outFile);

   // Find the second CompoundGraphicElement item -- this should be the rectangle
   DicomElement element = ds.GetCompoundGraphicElement(firstGraphicAnnSQItem, 0);
   string type = ds.GetStringValue(element, 0);
   Debug.Assert(type == "RULER");

   // Now we have two compound graphic items: ruler, rectangle
   // Count should be 2
   int nCount = ds.GetCompoundGraphicCount(firstGraphicAnnSQItem);
   Debug.Assert(nCount == 2);

   // Get the number of points of the first item (ruler) -- this should be 2
   nCount = ds.GetCompoundGraphicPointCount(firstGraphicAnnSQItem, 0);
   Debug.Assert(nCount == 2);

   // Get the number of major ticks in the ruler -- this should be 4
   nCount = ds.GetCompoundGraphicMajorTickCount(firstGraphicAnnSQItem, 0);
   Debug.Assert(nCount == 4);

   // Remove the first compound graphic (the ruler)
   ds.RemoveCompoundGraphic(firstGraphicAnnSQItem, 0);

   // Read the first compound graphic -- this should now be the rectangle
   DicomCompoundGraphic compoundGraphic = ds.GetCompoundGraphicInformation(firstGraphicAnnSQItem, 0);
   Debug.Assert(compoundGraphic.Type == DicomAnnotationCompoundGraphicType.Rectangle);

   // Change the rectangle from filled, to non-filled
   compoundGraphic.Filled = false;
   ds.SetCompoundGraphicInformation(firstGraphicAnnSQItem, 0, compoundGraphic);

   // Verify that the rectangle is non-filled
   compoundGraphic = ds.GetCompoundGraphicInformation(firstGraphicAnnSQItem, 0);
   Debug.Assert(compoundGraphic.Filled == false);

   // Remove ALL compund graphics
   ds.RemoveAllCompoundGraphics(firstGraphicAnnSQItem);

   // Get the compound graphic count -- it should now be zero
   nCount = ds.GetCompoundGraphicCount(firstGraphicAnnSQItem);
   Debug.Assert(nCount == 0);

}