public double ImageDpiX { get; set; }
The horizontal resolution used when converting the points of an Leadtools.Annotations.Engine.AnnObject to pixels.
The default value is 96.0
using Leadtools;
using Leadtools.Dicom;
using Leadtools.Dicom.Annotations;
using Leadtools.Annotations;
using Leadtools.Annotations.Engine;
private void DicomAnnotationsUtilities_FromAnnContainerToDataSet(DicomDataSet dsImage, string outfilePresentationState)
{
// Create an AnnRectangleObject (rotated, filled)
AnnRectangleObject rectangleObject = new AnnRectangleObject();
rectangleObject.Stroke.Stroke = AnnSolidColorBrush.Create("red");
rectangleObject.Fill = AnnSolidColorBrush.Create("blue");
rectangleObject.Points.Add(GetLeadPointD(100, 100));
rectangleObject.Points.Add(GetLeadPointD(200, 100));
rectangleObject.Points.Add(GetLeadPointD(200, 200));
rectangleObject.Points.Add(GetLeadPointD(100, 200));
rectangleObject.Rotate(45.0, GetLeadPointD(150, 150));
// Create a pointer object
AnnPolylineObject polylineObject = new AnnPolylineObject();
polylineObject.Stroke.Stroke = AnnSolidColorBrush.Create("red");
polylineObject.Points.Clear();
polylineObject.Points.Add(GetLeadPointD(300, 100));
polylineObject.Points.Add(GetLeadPointD(400, 200));
// Create a ruler object
AnnPolyRulerObject polyRulerObject = new AnnPolyRulerObject();
polyRulerObject.Stroke.Stroke = AnnSolidColorBrush.Create("green");
polyRulerObject.Points.Add(GetLeadPointD(100, 300));
polyRulerObject.Points.Add(GetLeadPointD(200, 400));
polyRulerObject.Points.Add(GetLeadPointD(300, 300));
// Add them to the AnnContainer
AnnContainer annContainer = new AnnContainer();
annContainer.Mapper = new AnnContainerMapper(96, 96, 96, 96);
annContainer.Children.Add(rectangleObject);
annContainer.Children.Add(polylineObject);
annContainer.Children.Add(polyRulerObject);
// Create a DicomDataSet
DicomDataSet dsPS = new DicomDataSet();
dsPS.Initialize(DicomClassType.GrayscaleSoftcopyPresentationState, DicomDataSetInitializeFlags.AddMandatoryModulesOnly | DicomDataSetInitializeFlags.AddMandatoryElementsOnly);
// Delete the empty referenced Series Sequence
DicomElement referencedSeriesSequence = dsPS.FindFirstElement(null, DicomTag.ReferencedSeriesSequence, true);
if (referencedSeriesSequence != null)
{
dsPS.DeleteElement(referencedSeriesSequence);
}
// Add a new Referenced Series Sequence
dsPS.AddPresentationStateImageReference(dsImage, null, 0);
// Set up the DicomAnnotationsUtilities converter
DicomAnnotationsUtilities du = new DicomAnnotationsUtilities();
du.ContainerMapper = annContainer.Mapper;
du.DefaultObject = new DicomTextObject();
du.ImageDpiX = 96.0;
du.ImageDpiY = 96.0;
du.DisplayWidth = 200;
du.DisplayHeight = 200;
du.LayerName = "Layer 0";
du.OnIncrementGraphicGroupId += new EventHandler(du_OnIncrementGraphicGroupId);
du.OnIncrementCompoundGraphicInstanceId += new EventHandler(du_OnIncrementCompoundGraphicInstanceId);
// Convert LEAD annotations to DICOM annotations
DicomElement graphicAnnSequenceItem = du.FromAnnContainerToDataSet(dsPS, annContainer);
// Save the presentation state
dsPS.Save(outfilePresentationState, DicomDataSetSaveFlags.None);
// Now you can convert the presentation state dataset back to an AnnContainer
AnnContainer annContainerNew = du.FromDataSetToAnnContainer(dsPS, graphicAnnSequenceItem);
Console.WriteLine("Presentation State Saved: " + outfilePresentationState);
// There should be three objects
Assert.IsTrue(annContainerNew.Children.Count == 3, $"There should be three objects, but there are {annContainerNew.Children.Count}");
}
LeadPointD GetLeadPointD(double x, double y)
{
double imageDpi = 96.0;
return new LeadPointD(x * 720.0 / imageDpi, y * 720.0 / imageDpi);
}
// Override the default behavior of IncrementGraphicGroupId
void du_OnIncrementGraphicGroupId(object sender, EventArgs e)
{
DicomAnnotationsUtilities du = sender as DicomAnnotationsUtilities;
if (du != null)
{
du.GraphicGroupId = du.GraphicGroupId + 2;
}
}
// Override the default behavior of IncrementGraphicInstanceId
void du_OnIncrementCompoundGraphicInstanceId(object sender, EventArgs e)
{
DicomAnnotationsUtilities du = sender as DicomAnnotationsUtilities;
if (du != null)
{
du.CompoundGraphicInstanceId = du.CompoundGraphicInstanceId + 10;
}
}