public void TestFindPackagePictureData()
{
XWPFDocument doc = XWPFTestDataSamples.OpenSampleDocument("issue_51265_1.docx");
byte[] nature1 = XWPFTestDataSamples.GetImage("nature1.gif");
XWPFPictureData part = doc.FindPackagePictureData(nature1, (int)PictureType.GIF);
Assert.IsNotNull(part);
Assert.IsTrue(doc.AllPictures.Contains(part));
Assert.IsTrue(doc.AllPackagePictures.Contains(part));
doc.Package.Revert();
}
/**
* Adds a picture to the document.
*
* @param pictureData The picture data
* @param format The format of the picture.
*
* @return the index to this picture (0 based), the Added picture can be obtained from {@link #getAllPictures()} .
* @throws InvalidFormatException
*/
public String AddPictureData(byte[] pictureData, int format)
{
XWPFPictureData xwpfPicData = document.FindPackagePictureData(pictureData, format);
POIXMLRelation relDesc = XWPFPictureData.RELATIONS[format];
if (xwpfPicData == null)
{
/* Part doesn't exist, create a new one */
int idx = document.GetNextPicNameNumber(format);
xwpfPicData = (XWPFPictureData)CreateRelationship(relDesc, XWPFFactory.GetInstance(), idx);
/* write bytes to new part */
PackagePart picDataPart = xwpfPicData.GetPackagePart();
Stream out1 = null;
try
{
out1 = picDataPart.GetOutputStream();
out1.Write(pictureData, 0, pictureData.Length);
}
catch (IOException e)
{
throw new POIXMLException(e);
}
finally
{
try
{
if (out1 != null)
{
out1.Dispose();
}
}
catch (IOException)
{
// ignore
}
}
document.RegisterPackagePictureData(xwpfPicData);
pictures.Add(xwpfPicData);
return(GetRelationId(xwpfPicData));
}
else if (!GetRelations().Contains(xwpfPicData))
{
/*
* Part already existed, but was not related so far. Create
* relationship to the already existing part and update
* POIXMLDocumentPart data.
*/
PackagePart picDataPart = xwpfPicData.GetPackagePart();
// TODO add support for TargetMode.EXTERNAL relations.
TargetMode targetMode = TargetMode.Internal;
PackagePartName partName = picDataPart.PartName;
String relation = relDesc.Relation;
PackageRelationship relShip = GetPackagePart().AddRelationship(partName, targetMode, relation);
String id = relShip.Id;
AddRelation(id, xwpfPicData);
pictures.Add(xwpfPicData);
return(id);
}
else
{
/* Part already existed, Get relation id and return it */
return(GetRelationId(xwpfPicData));
}
}