Hi
I am a beginner to iText, but I am using it to study about pdf format.
I have bought the book, but I am lost at trying to decode the flate-encoded
(with predictor=12, col=5) stream.
I did the following:
PdfReader reader = new PdfReader("format.pdf");
PdfLister lister = new PdfLister(new PrintStream(list));
PdfDictionary trailer = reader.getTrailer();
for (int i = 0; i < reader.getNumberOfPages(); i++) {
PdfDictionary dic = reader.getTrailer();
for (Iterator it = dic.getKeys().iterator(); it.hasNext();) {
PdfName name = (PdfName) it.next();
PdfObject pdobj = dic.get(name);
//check that the object has /Filter
if ("Filter".equalsIgnoreCase(PdfName.decodeName(name.toString()))) {
PRStream content = (PRStream)pdobj;
byte[] contentstream = reader.getStreamBytes(content);
FileOutputStream fostemp = new FileOutputStream("decoded.txt");
fostemp.write(contentstream);
}
}
}
But I am getting error in the bold code.
Can anyone tell me how I should do this?
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