public Dictionary<string, string> Attributes { get; set; }
public:
property Dictionary<String^,String^>^ Attributes {
Dictionary<String^,String^>^ get();
void set ( Dictionary<String^,String^>^ );
}
A dictionary of string pairs that correspond to each attribute that is about to be written to the output XML file
This can be modified in the in the SaveXmlCallback delegate to add, remove, or change the attributes that will be written to the output XML file.
using Leadtools.Dicom;
using Leadtools.Dicom.Common;
using Leadtools.Dicom.Common.Extensions;
using Leadtools;
using Leadtools.Dicom.Common.Linq.BasicDirectory;
using Leadtools.Dicom.Common.DataTypes;
using Leadtools.Codecs;
public void SaveXmlCallbackExample()
{
string dicomFileNameIn = Path.Combine(LEAD_VARS.ImagesDir, "DICOM", "image3.dcm");
string xmlFileNameOut = Path.Combine(LEAD_VARS.ImagesDir, "test.xml");
string dicomFileNameOut = Path.Combine(LEAD_VARS.ImagesDir, "test.dcm");
// Initialize DICOM engine
DicomEngine.Startup();
DicomDataSet ds = new DicomDataSet();
// Load an existing DICOM file
ds.Load(dicomFileNameIn, DicomDataSetLoadFlags.None);
// Save as XML to a file with no binary data
// For the demo, keep the XML output file size small by skipping the pixel data
// Use the SaveXmlCallback delegate to customize the XML file
DicomDataSetSaveXmlFlags xmlFlags =
DicomDataSetSaveXmlFlags.IgnoreBinaryData |
DicomDataSetSaveXmlFlags.TrimWhiteSpace |
DicomDataSetSaveXmlFlags.TagWithCommas;
ds.SaveXml(xmlFileNameOut, xmlFlags, new SaveXmlCallback(MySaveXmlCallback));
// Use a LoadmlCallback to read the customized XML file
ds.LoadXml(xmlFileNameOut, DicomDataSetLoadXmlFlags.None, new LoadXmlBeforeElementCallback(MyLoadXmlBeforeElementCallback), new LoadXmlAfterElementCallback(MyLoadXmlAfterElementCallback));
// Save the result -- there will be no pixel data
ds.Save(dicomFileNameOut, DicomDataSetSaveFlags.None);
DicomEngine.Shutdown();
}
private static bool MySaveXmlCallback(SaveXmlData data)
{
//string sTag = data.attributes["tag"];
//if (sTag.StartsWith("0008"))
// return false;
if (data.NodeType == DicomXmlNodeType.Comment)
{
data.Comment = "COMMENT: customized xml file using the SaveXmlCallback";
return false;
}
if (data.ElementName == "dataset")
{
data.Attributes.Add("new_attribute", "some_value");
}
else if (data.ElementName == "element")
{
data.ElementName = "element_newname";
string sTagValue = data.Attributes["tag"];
data.Attributes.Remove("tag");
data.Attributes.Add("tag_newname", sTagValue);
}
return true;
}
private static bool MyLoadXmlBeforeElementCallback(LoadXmlBeforeElementData data)
{
string sTagValue = data.Attributes["tag_newname"];
long tag = 0;
sTagValue = sTagValue.Replace(",", string.Empty);
if (long.TryParse(sTagValue, System.Globalization.NumberStyles.HexNumber, null, out tag))
data.Tag = tag;
return true;
}
private static void MyLoadXmlAfterElementCallback(LoadXmlAfterElementData data)
{
if (data.DicomElement.Tag == DicomTag.PixelData)
{
// here you could call one of the following to set the pixel data
// data.DicomDataSet.SetBinaryValue
// data.DicomDataSet.SetImage()
}
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images";
}
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