So I would create and use a PdfWriter instead of a PdfStamper?
toPdf(PdfWriter writer, OutputStream os)
Thanks,
Doug
________
Carl Zeiss Meditec, Inc.
Research and Development
Senior Staff Software Engineer
5160 Hacienda Drive
Dublin, CA 94568
D o u g L i m
Phone: +1 925.557.4453
Fax: +1 925.557.4615
mailto:[EMAIL PROTECTED]
http://www.meditec.zeiss.com
[EMAIL PROTECTED] wrote on 10/17/2008 01:52:28
AM:
> Use PdfObject.toPdf() to output the object.
>
> Paulo
>
> > -----Original Message-----
> > From: Lim, Doug [mailto:[EMAIL PROTECTED]
> > Sent: Friday, October 17, 2008 2:07 AM
> > To: Post all your questions about iText here
> > Subject: Re: [iText-questions] Editing PDF Stream
> >
> >
> > I think I figured out what my problem is. After I tokenize
> > the commands I figure out which ones I want to keep and put
> > them into my new output content, but I am missing all of the
> > delimiters. I tried putting spaces between all the tokens in
> > a command and eol at the end. This still wasn't right
> > because there are other delimiters also like parenthesis, ().
> > So how do I get to the original content once I use
> > PdfContentParser to parse and identify the lines I want to
> > remove or more correctly to the original content for the
> > command lines I want to keep? Any ideas would be greatly appreciated.
> >
> > Thanks,
> > Doug
> > ________
> >
> > Carl Zeiss Meditec, Inc.
> > Research and Development
> > Senior Staff Software Engineer
> > 5160 Hacienda Drive
> > Dublin, CA 94568
> >
> > D o u g L i m
> >
> > Phone: +1 925.557.4453
> > Fax: +1 925.557.4615
> > mailto:[EMAIL PROTECTED]
> > http://www.meditec.zeiss.com
> >
> > [EMAIL PROTECTED] wrote on
> > 10/16/2008 02:07:30 PM:
> >
> > >
> > > Thanks! I think I am close to getting it working, but right now I
> > > get a message from all the viewers that there is an error in my PDF.
> > > Here is my code. Does anyone see something obvious that I
> > am missing?
> > >
> > > Thanks Doug
> > >
> > > import com.lowagie.text.DocumentException;
> > > import com.lowagie.text.pdf.PRTokeniser;
> > > import com.lowagie.text.pdf.PdfContentParser;
> > > import com.lowagie.text.pdf.PdfNumber;
> > > import com.lowagie.text.pdf.PdfObject;
> > > import com.lowagie.text.pdf.PdfReader;
> > > import com.lowagie.text.pdf.PdfStamper;
> > > import com.lowagie.text.pdf.PdfString;
> > > import com.lowagie.text.pdf.PdfWriter;
> > >
> > > import java.io.FileOutputStream;
> > > import java.io.IOException;
> > > import java.util.ArrayList;
> > > import java.util.logging.Level;
> > > import java.util.logging.Logger;
> > >
> > > /**
> > > *
> > > * @author dlim
> > > */
> > > public class ReadAndRewrite {
> > > /** buffer to build new content to output */
> > > private ArrayList<Byte> outputContent = new ArrayList<Byte>();
> > >
> > >
> > > public void addToContent(byte[] array) {
> > > for (byte element: array) {
> > > this.outputContent.add(element);
> > > }
> > > }
> > >
> > > public void addToContent(PdfObject pdfObject) {
> > > addToContent(pdfObject.getBytes());
> > > }
> > > public void addToContent(String string) {
> > > addToContent( new PdfString(string) );
> > > }
> > >
> > > public void convert() {
> > > try {
> > > PdfReader reader = new PdfReader("Glaucoma.pdf");
> > > FileOutputStream fileOutputStream = new
> > > FileOutputStream("FixedGlaucoma.pdf");
> > > PdfStamper pdfStamper = new PdfStamper(reader,
> > fileOutputStream);
> > >
> > > byte[] content = reader.getPageContent(1);
> > >
> > > // debug - show the content stream
> > > for (byte letter : content) {
> > > System.out.print((char)letter);
> > > }
> > >
> > > // TEST the unmodified content out. <= this works
> > > // reader.setPageContent(1, content);
> > > // pdfStamper.close();
> > > // System.exit(0);
> > >
> > > String cmd;
> > > boolean lastCmdET = false;
> > > PdfContentParser contentParser = new
> > > PdfContentParser(new PRTokeniser(content));
> > > ArrayList<PdfObject> tokens = new
> > ArrayList<PdfObject>();
> > > byte[] space = new PdfString(" ").getBytes();
> > > byte[] eol = new PdfString("\n").getBytes();
> > >
> > > System.out.println("=== Parsed lines ===");
> > >
> > > contentParser.parse(tokens);
> > >
> > > while ( !tokens.isEmpty() ) {
> > > for (PdfObject value: tokens) {
> > > System.out.print(value + " ");
> > > }
> > >
> > > System.out.println();
> > >
> > > cmd = tokens.get(tokens.size() - 1).toString();
> > >
> > > if (!lastCmdET || !"h".equals(cmd)) {
> > > // not an 'h' following an 'ET'
> > > for (PdfObject value: tokens) {
> > > addToContent(value);
> > > }
> > > } else {
> > > System.out.println("DEBUG: h command removed.");
> > > }
> > >
> > > if ( "ET".equals(cmd) ) {
> > > System.out.println("DEBUG: ET last set.");
> > > lastCmdET = true;
> > > } else {
> > > lastCmdET = false;
> > > }
> > >
> > > contentParser.parse(tokens);
> > > }
> > >
> > > byte[] finalContent = new
> > byte[this.outputContent.size()];
> > >
> > > for (int i = 0; i < this.outputContent.size(); ++i) {
> > > finalContent[i] = this.outputContent.get(i);
> > > }
> > >
> > > reader.setPageContent(1, finalContent);
> > > pdfStamper.close();
> > > } catch (DocumentException ex) {
> > > Logger.getLogger(ReadAndRewrite.class.getName()).
> > > log(Level.SEVERE, null, ex);
> > > } catch (IOException ex) {
> > > Logger.getLogger(ReadAndRewrite.class.getName()).
> > > log(Level.SEVERE, null, ex);
> > > }
> > > }
> > >
> > > public static void main(String args[]) {
> > > ReadAndRewrite readAndRewrite = new ReadAndRewrite();
> > > readAndRewrite.convert();
> > > }
> > > }
> > >
> > > ----- Original Message -----
> > >
> > > You'll need PdfStamper for the output, PdfReader.getPageContent(),
> > > PdfReader.setPageContent() and PdfContentParser.
> > >
> > > Paulo
> > >
> > > ----- Original Message -----
> > > From: "Lim, Doug" <[EMAIL PROTECTED]>
> > > To: <[EMAIL PROTECTED]>
> > > Sent: Saturday, October 11, 2008 1:54 AM
> > > Subject: [iText-questions] Editing PDF Stream
> > >
> > >
> > >
> > > Hi,
> > >
> > > I will apologize up-front. I am a complete newbie to iText
> > and PDF files.
> > > The problem I am trying to solve is that I have a bunch of
> > PDF files that
> > > are incorrectly formed. They can be read and viewed by
> > Adobe Reader 9, but
> > > not by our embedded PDF reader. The error in the PDF file can be
> > > characterized by an "h" (close subpath) command immediately
> > following an
> > > "ET" (end text) command in a stream. Using a commercial PDF
> > editor we can
> > > delete all of the "h" commands that immediately follow an
> > "ET" command and
> > > our reader can read the documents. The short term solution
> > I am trying to
> > > implement is to remove any "h" commands immediately
> > following the "ET"
> > > command programmatically. Is iText the right tool for
> > solving this problem?
> > > If not can anyone suggest another tool or approach to
> > solving this problem?
> > >
> > > Thanks,
> > > Doug
> > >
> > >
> > > Thanks,
> > > Doug
> > > ________
> > >
> > > Carl Zeiss Meditec, Inc.
> > > Research and Development
> > > Senior Staff Software Engineer
> > > 5160 Hacienda Drive
> > > Dublin, CA 94568
> > >
> > > D o u g L i m
> > >
> > > Phone: +1 925.557.4453
> > > Fax: +1 925.557.4615
> > > mailto:[EMAIL PROTECTED]
> > > http://www.meditec.zeiss.com
>
>
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