public void TestRead()
{
XWPFDocument sampleDoc = XWPFTestDataSamples.OpenSampleDocument("VariousPictures.docx");
IList <XWPFPictureData> pictures = sampleDoc.AllPictures;
Assert.AreEqual(5, pictures.Count);
String[] ext = { "wmf", "png", "emf", "emf", "jpeg" };
for (int i = 0; i < pictures.Count; i++)
{
Assert.AreEqual(ext[i], pictures[(i)].suggestFileExtension());
}
int num = pictures.Count;
byte[] pictureData = XWPFTestDataSamples.GetImage("nature1.jpg");
String relationId = sampleDoc.AddPictureData(pictureData, (int)PictureType.JPEG);
// picture list was updated
Assert.AreEqual(num + 1, pictures.Count);
XWPFPictureData pict = (XWPFPictureData)sampleDoc.GetRelationById(relationId);
Assert.AreEqual("jpeg", pict.suggestFileExtension());
Assert.IsTrue(Arrays.Equals(pictureData, pict.GetData()));
}
public override bool Equals(object obj)
{
if (obj == this)
{
return(true);
}
if (obj == null || !(obj is XWPFPictureData))
{
return(false);
}
XWPFPictureData xwpfPictureData = (XWPFPictureData)obj;
PackagePart packagePart1 = xwpfPictureData.GetPackagePart();
PackagePart packagePart2 = this.GetPackagePart();
if (packagePart1 != null && packagePart2 == null || packagePart1 == null && packagePart2 != null)
{
return(false);
}
if (packagePart2 != null)
{
OPCPackage package1 = packagePart1.Package;
OPCPackage package2 = packagePart2.Package;
if (package1 != null && package2 == null || package1 == null && package2 != null || package2 != null && !package2.Equals((object)package1))
{
return(false);
}
}
if (!this.Checksum.Equals(xwpfPictureData.Checksum))
{
return(false);
}
return(Arrays.Equals((object)this.GetData(), (object)xwpfPictureData.GetData()));
}
public XWPFPictureData FindPackagePictureData(byte[] pictureData, int format)
{
long checksum = IOUtils.CalculateChecksum(pictureData);
XWPFPictureData xwpfPictureData = (XWPFPictureData)null;
List <XWPFPictureData> xwpfPictureDataList = (List <XWPFPictureData>)null;
if (this.packagePictures.ContainsKey(checksum))
{
xwpfPictureDataList = this.packagePictures[checksum];
}
if (xwpfPictureDataList != null)
{
IEnumerator <XWPFPictureData> enumerator = (IEnumerator <XWPFPictureData>)xwpfPictureDataList.GetEnumerator();
while (enumerator.MoveNext() && xwpfPictureData == null)
{
XWPFPictureData current = enumerator.Current;
if (Arrays.Equals((object)pictureData, (object)current.GetData()))
{
xwpfPictureData = current;
}
}
}
return(xwpfPictureData);
}
public override bool Equals(Object obj)
{
/**
* In case two objects ARE Equal, but its not the same instance, this
* implementation will always run through the whole
* byte-array-comparison before returning true. If this will turn into a
* performance issue, two possible approaches are available:<br>
* a) Use the Checksum only and take the risk that two images might have
* the same CRC32 sum, although they are not the same.<br>
* b) Use a second (or third) Checksum algorithm to minimise the chance
* that two images have the same Checksums but are not equal (e.g.
* CRC32, MD5 and SHA-1 Checksums, Additionally compare the
* data-byte-array lengths).
*/
if (obj == this)
{
return(true);
}
if (obj == null)
{
return(false);
}
if (!(obj is XWPFPictureData))
{
return(false);
}
XWPFPictureData picData = (XWPFPictureData)obj;
PackagePart foreignPackagePart = picData.GetPackagePart();
PackagePart ownPackagePart = this.GetPackagePart();
if ((foreignPackagePart != null && ownPackagePart == null) ||
(foreignPackagePart == null && ownPackagePart != null))
{
return(false);
}
if (ownPackagePart != null)
{
OPCPackage foreignPackage = foreignPackagePart.Package;
OPCPackage ownPackage = ownPackagePart.Package;
if ((foreignPackage != null && ownPackage == null) ||
(foreignPackage == null && ownPackage != null))
{
return(false);
}
if (ownPackage != null)
{
if (!ownPackage.Equals(foreignPackage))
{
return(false);
}
}
}
long foreignChecksum = picData.Checksum;
long localChecksum = Checksum;
if (!(localChecksum.Equals(foreignChecksum)))
{
return(false);
}
return(Arrays.Equals(this.GetData(), picData.GetData()));
}
public void TestNew()
{
XWPFDocument doc = XWPFTestDataSamples.OpenSampleDocument("EmptyDocumentWithHeaderFooter.docx");
byte[] jpegData = XWPFTestDataSamples.GetImage("nature1.jpg");
byte[] gifData = XWPFTestDataSamples.GetImage("nature1.gif");
byte[] pngData = XWPFTestDataSamples.GetImage("nature1.png");
IList <XWPFPictureData> pictures = doc.AllPictures;
Assert.AreEqual(0, pictures.Count);
// Document shouldn't have any image relationships
Assert.AreEqual(13, doc.GetPackagePart().Relationships.Size);
foreach (PackageRelationship rel in doc.GetPackagePart().Relationships)
{
if (rel.RelationshipType.Equals(XSSFRelation.IMAGE_JPEG.Relation))
{
Assert.Fail("Shouldn't have JPEG yet");
}
}
// Add the image
String relationId = doc.AddPictureData(jpegData, (int)PictureType.JPEG);
Assert.AreEqual(1, pictures.Count);
XWPFPictureData jpgPicData = (XWPFPictureData)doc.GetRelationById(relationId);
Assert.AreEqual("jpeg", jpgPicData.suggestFileExtension());
Assert.IsTrue(Arrays.Equals(jpegData, jpgPicData.GetData()));
// Ensure it now has one
Assert.AreEqual(14, doc.GetPackagePart().Relationships.Size);
PackageRelationship jpegRel = null;
foreach (PackageRelationship rel in doc.GetPackagePart().Relationships)
{
if (rel.RelationshipType.Equals(XWPFRelation.IMAGE_JPEG.Relation))
{
if (jpegRel != null)
{
Assert.Fail("Found 2 jpegs!");
}
jpegRel = rel;
}
}
Assert.IsNotNull(jpegRel, "JPEG Relationship not found");
// Check the details
Assert.AreEqual(XWPFRelation.IMAGE_JPEG.Relation, jpegRel.RelationshipType);
Assert.AreEqual("/word/document.xml", jpegRel.Source.PartName.ToString());
Assert.AreEqual("/word/media/image1.jpeg", jpegRel.TargetUri.OriginalString);
XWPFPictureData pictureDataByID = doc.GetPictureDataByID(jpegRel.Id);
byte[] newJPEGData = pictureDataByID.GetData();
Assert.AreEqual(newJPEGData.Length, jpegData.Length);
for (int i = 0; i < newJPEGData.Length; i++)
{
Assert.AreEqual(newJPEGData[i], jpegData[i]);
}
// Save an re-load, check it appears
doc = XWPFTestDataSamples.WriteOutAndReadBack(doc);
Assert.AreEqual(1, doc.AllPictures.Count);
Assert.AreEqual(1, doc.AllPackagePictures.Count);
}
