private bool CheckImages()
{
bool flag;
try
{
foreach (PDPage page in this.doc.getPages())
{
PDResources resources = page.getResources();
Iterator iterator = resources.getXObjectNames().iterator();
while (iterator.hasNext())
{
COSName cOSName = (COSName)iterator.next();
if (resources.isImageXObject(cOSName))
{
PDXObject xObject = null;
try
{
xObject = resources.getXObject(cOSName);
}
catch (Exception exception)
{
continue;
}
PDImageXObject pDImageXObject = (PDImageXObject)xObject;
COSBase filters = pDImageXObject.getCOSStream().getFilters();
if (filters != null)
{
if ((filters.toString().ToLower().Contains("jpxdecode") ? true : filters.toString().ToLower().Contains("lzw")))
{
flag = false;
return(flag);
}
}
if (pDImageXObject.getSoftMask() != null)
{
pDImageXObject.setColorSpace(null);
}
PDImageXObject mask = pDImageXObject.getMask();
pDImageXObject.getSoftMask();
if (mask != null)
{
pDImageXObject.setColorSpace(null);
}
}
}
}
flag = true;
}
catch (Exception exception1)
{
flag = false;
}
return(flag);
}
/**
* Embeds an external file (generic - any type allowed) in the PDF.
*
* @param doc
* PDDocument to attach the file to.
* @param filename
* name of the file that will become attachment name in the PDF
* @param relationship
* how the file relates to the content, e.g. "Alternative"
* @param description
* Human-readable description of the file content
* @param subType
* type of the data e.g. could be "text/xml" - mime like
* @param data
* the binary data of the file/attachment
*/
public void PDFAttachGenericFile(PDDocument doc, String filename,
String relationship, String description, String subType, byte[] data)
{
PDComplexFileSpecification fs = new PDComplexFileSpecification();
fs.setFile(filename);
COSDictionary dict = fs.getCOSDictionary();
dict.setName("AFRelationship", relationship);
dict.setString("UF", filename);
dict.setString("Desc", description);
ByteArrayInputStream fakeFile = new ByteArrayInputStream(data);
PDEmbeddedFile ef = new PDEmbeddedFile(doc, fakeFile);
ef.setSubtype(subType);
ef.setSize(data.Length);
ef.setCreationDate(new GregorianCalendar());
ef.setModDate(GregorianCalendar.getInstance());
fs.setEmbeddedFile(ef);
// In addition make sure the embedded file is set under /UF
dict = fs.getCOSDictionary();
COSDictionary efDict = (COSDictionary)dict
.getDictionaryObject(COSName.EF);
COSBase lowerLevelFile = efDict.getItem(COSName.F);
efDict.setItem(COSName.UF, lowerLevelFile);
// now add the entry to the embedded file tree and set in the document.
PDDocumentNameDictionary names = new PDDocumentNameDictionary(
doc.getDocumentCatalog());
PDEmbeddedFilesNameTreeNode efTree = names.getEmbeddedFiles();
if (efTree == null)
{
efTree = new PDEmbeddedFilesNameTreeNode();
}
//Map<String, COSObjectable> namesMap = new HashMap<String, COSObjectable>();
// Map<String, COSObjectable> oldNamesMap = efTree.getNames();
//if (oldNamesMap != null) {
// for (String key : oldNamesMap.keySet()) {
// namesMap.put(key, oldNamesMap.get(key));
// }
//}
//efTree.setNames(namesMap);
//should be ported more exactly...
efTree.setNames(Collections.singletonMap(filename, fs));
names.setEmbeddedFiles(efTree);
doc.getDocumentCatalog().setNames(names);
// AF entry (Array) in catalog with the FileSpec
COSArray cosArray = (COSArray)doc.getDocumentCatalog()
.getCOSDictionary().getItem("AF");
if (cosArray == null)
{
cosArray = new COSArray();
}
cosArray.add(fs);
COSDictionary dict2 = doc.getDocumentCatalog().getCOSDictionary();
COSArray array = new COSArray();
array.add(fs.getCOSDictionary()); // see below
dict2.setItem("AF", array);
doc.getDocumentCatalog().getCOSDictionary().setItem("AF", cosArray);
}
