C#
C++/CLI
public int GetTextObjectCount(
DicomElement graphicAnnSQItem
)
public:
int GetTextObjectCount(
DicomElement^ graphicAnnSQItem
)
graphicAnnSQItem
An item element under the "Graphic Annotation Sequence" (0070,0001) in the "Graphic Annotation Module".
The text annotation object count.
This method returns the number of text annotation objects in the specified "Graphic Annotation Sequence" (0070,0001) item in the "Graphic Annotation Module".
using Leadtools;
using Leadtools.Dicom;
public void GraphicAnnSequenceSample()
{
//Make sure to initialize the DICOM engine, this needs to be done only once
//In the whole application
DicomEngine.Startup();
using (DicomDataSet dicomDataset = new DicomDataSet())
{
// We can also initialize in here the "Grayscale Softcopy Presentation State" class
dicomDataset.Initialize(DicomClassType.Undefined, DicomDataSetInitializeType.ExplicitVRLittleEndian);
dicomDataset.CreateGraphicAnnSQItem(0, "Layer0");
DicomElement firstGraphicAnnSQItem = dicomDataset.FindFirstGraphicAnnSQItem();
Debug.Assert(firstGraphicAnnSQItem != null);
//If there was more than one item we can use
//FindNextGraphicAnnSQItem to enumerate these items
dicomDataset.SetLayerName(firstGraphicAnnSQItem, "Layer1");
Debug.Assert(dicomDataset.GetLayerName(firstGraphicAnnSQItem) == "Layer1");
// We can also call RemoveAllImageRefFromAllLayers or call
// RemoveImageRefFromLayer to remove the referenced images one by one.
// In any case this is for demonstration purposes only, since the dataset
// doesn't have any referenced images right now.
dicomDataset.RemoveAllImageReferencesFromLayer(firstGraphicAnnSQItem);
dicomDataset.AddPresentationStateImageReference(Path.Combine(LEAD_VARS.ImagesDir, "DICOM", "image2.dcm"), null, 0);
// We know that the SOP instance UID for the dataset IMAGE2.dcm is
// 1.2.840.114257.3.6.5.5.18900282
dicomDataset.AddLayerImageReference(firstGraphicAnnSQItem, "1.2.840.114257.3.6.5.5.18900282");
Debug.Assert(dicomDataset.GetLayerImageReferenceCount(firstGraphicAnnSQItem) == 1);
Debug.Assert(dicomDataset.GetLayerImageReferenceSOPInstance(firstGraphicAnnSQItem, 0) == "1.2.840.114257.3.6.5.5.18900282");
Debug.Assert(dicomDataset.GetLayerImageReferenceElement(firstGraphicAnnSQItem, "1.2.840.114257.3.6.5.5.18900282") != null);
////////This section is for DICOM Graphic Object///////////////////
DicomGraphicObject graphicObject = new DicomGraphicObject();
DicomAnnotationPoint[] annotationPoints = new DicomAnnotationPoint[5];
annotationPoints[0].X = 480.00F;
annotationPoints[0].Y = 226.00F;
annotationPoints[1].X = 480.00F;
annotationPoints[1].Y = 418.00F;
annotationPoints[2].X = 488.00F;
annotationPoints[2].Y = 418.00F;
annotationPoints[3].X = 488.00F;
annotationPoints[3].Y = 226.00F;
annotationPoints[4].X = 480.00F;
annotationPoints[4].Y = 226.00F;
graphicObject.SetAnnotationPoints(annotationPoints, 5);
graphicObject.Filled = false;
graphicObject.Type = DicomAnnotationType.Polyline;
graphicObject.LayerName = "Layer1";
graphicObject.Units = DicomAnnotationUnitsRelativityType.Pixel;
Debug.Assert(graphicObject.AnnotationPointCount == 5);
//Start Clean!
//Can also call RemoveGraphicObject to remove individual objects
dicomDataset.RemoveAllGraphicObjects(firstGraphicAnnSQItem);
dicomDataset.CreateGraphicObject(firstGraphicAnnSQItem, graphicObject, false);
Debug.Assert(dicomDataset.GetGraphicObjectCount(firstGraphicAnnSQItem) == 1);
Debug.Assert(dicomDataset.GetGraphicObjElement(firstGraphicAnnSQItem, 0) != null);
Debug.Assert(dicomDataset.GetGraphicObjPointCount(firstGraphicAnnSQItem, 0) == 5);
DicomGraphicObject graphicObject1 = dicomDataset.GetGraphicObjectInformation(firstGraphicAnnSQItem, 0);
Debug.Assert(graphicObject1 != null);
graphicObject1.Filled = true;
dicomDataset.SetGraphicObjectInformation(firstGraphicAnnSQItem, 0, graphicObject1);
////////This section is for DICOM Text Object///////////////////
//Can also call RemoveTextObject to remove individual objects
dicomDataset.RemoveAllTextObjects(firstGraphicAnnSQItem);
DicomTextObject textObject = new DicomTextObject();
textObject.AnchorPointVisible = true;
textObject.AnchorPoint = new DicomAnnotationPoint(1.1F, 1.1F);
textObject.BRHCorner = new DicomAnnotationPoint(521.251343F, 328.190216F);
textObject.TLHCorner = new DicomAnnotationPoint(466.642242F, 300.443268F);
textObject.TextValue = "Text Value 1";
textObject.AnchorPointUnits = DicomAnnotationUnitsRelativityType.Pixel;
textObject.BoundingBoxUnits = DicomAnnotationUnitsRelativityType.Pixel;
textObject.LayerName = "Layer1";
textObject.TextJustification = TextAnnotationJustificationType.Left;
dicomDataset.CreateTextObject(firstGraphicAnnSQItem, textObject, false);
Debug.Assert(dicomDataset.GetTextObjectCount(firstGraphicAnnSQItem) == 1);
Debug.Assert(dicomDataset.GetTextObjElement(firstGraphicAnnSQItem, 0) != null);
DicomTextObject textObject1 = dicomDataset.GetTextObjectInformation(firstGraphicAnnSQItem, 0);
Debug.Assert(textObject1 != null);
textObject1.TextJustification = TextAnnotationJustificationType.Right;
dicomDataset.SetTextObjectInformation(firstGraphicAnnSQItem, 0, textObject1);
dicomDataset.Save(Path.Combine(LEAD_VARS.ImagesDir, "DICOM", "GraphicAnnSequence.dcm"), DicomDataSetSaveFlags.None);
}
DicomEngine.Shutdown();
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images";
}
FindFirstGraphicAnnSQItem Method
GetTextObjectInformation Method