Re: [iText-questions] Silently printing a PDF to a network printer
Leonard Rosenthol leonardr at pdfsages.com writes: At 07:30 PM 7/5/2006, Matt Krevs wrote: It seems the ability to send a PDF to a network printer from within a java app is some sort of holy grail right now. Depends on the printer and OS involved. If the printer is an Adobe Postscript Level 3 printer - then it's a no-brainer. If you are running on Mac OS X or any Unix with CUPS installed - it's a no-brainer. If you want a truly platform and printer-neutral solution, your looking at a variety of options - none of which are great for one reason or another. Leonard Sadly, the printer in question is on a Windows platform. Do you know of a Windows specific solution? You mentioned If you want a truly platform and printer-neutral solution, your looking at a variety of options - none of which are great for one reason or another. Can you maybe elaborate? Maybe I could investigate the least worst option. Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions
[iText-questions] example tiff2pdf
Hi Paulo, Would you please be able to tell me where to find an example for using com.lowagie.tools.plugins.Tiff2Pdf, and how to create pdf from multiple page tiff? Thanks, Carl Lang South Africa Message: 1Date: Wed, 5 Jul 2006 15:02:25 +0100From: Paulo Soares [EMAIL PROTECTED]Subject: Re: [iText-questions] read multiple pages of a tiff To: Post all your questions about iText here itext-questions@lists.sourceforge.net Message-ID: [EMAIL PROTECTED] Content-Type: text/plain;charset=us-asciicom.lowagie.tools.plugins.Tiff2PdfPaulo -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] ] On Behalf Of carl lang Sent: Wednesday, July 05, 2006 1:29 PM To: itext-questions@lists.sourceforge.net Subject: [iText-questions] read multiple pages of a tiff Hi, I have recently downloaded itext software to create PDF files, I am interested in creating a PDF file with tiff images, my question is how can I create a PDF from a tiff file that has multiple pages of images in it. So for example I would like to create a PDF from a tiff page number 2. Is this possible? Thanks in advance, Carl LangAviso Legal:Esta mensagem é destinada exclusivamente ao destinatário. Pode conter informação confidencial ou legalmente protegida. A incorrecta transmissão desta mensagem não significa a perca de confidencialidade. Se esta mensagem for recebida por engano, por favor envie-a de volta para o remetente e apague-a do seu sistema de imediato. É proibido a qualquer pessoa que não o destinatário de usar, revelar ou distribuir qualquer parte desta mensagem. Disclaimer:This message is destined exclusively to the intended receiver. It may contain confidential or legally protected information. The incorrect transmission of this message does not mean the loss of its confidentiality. If this message is received by mistake, please send it back to the sender and delete it from your system immediately. It is forbidden to any person who is not the intended receiver to use, distribute or copy any part of this message. Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions
Re: [iText-questions] dpi userunits
Is this what is meant by userunits? Basically I am putting a map image as a jpg into a pdf document, but this is generated using 96dpi, when the pdf is created the scale is being altered as itext is creating at 72dpi, I have a requirement to maintain the accurancy of the map image, can someone point me to where to find the code or a description in the api to set userunits? I literally can find nothing googling Cheers Andy -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Leonard Rosenthol Sent: 05 July 2006 18:08 To: Post all your questions about iText here; itext-questions@lists.sourceforge.net Subject: Re: [iText-questions] dpi userunits At 12:43 PM 7/5/2006, Andrew Thompson wrote: Hi, i am trying to set the default value for dpi in a itext pdf document from 72 to 96, You can't change dpi - but you can change the transformation of the units used in the PDF using the standard SetTransform() methods...You will, however, need to be sure to get all your coordinates correct when doing this. Leonard --- Leonard Rosentholmailto:[EMAIL PROTECTED] Chief Technical Officer http://www.pdfsages.com PDF Sages, Inc. 215-938-7080 (voice) 215-938-0880 (fax) Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions This e-mail has been scanned for all viruses by Star. The service is powered by MessageLabs. For more information on a proactive anti-virus service working around the clock, around the globe, visit: http://www.star.net.uk -- No virus found in this incoming message. Checked by AVG Free Edition. Version: 7.1.394 / Virus Database: 268.9.9/382 - Release Date: 04/07/2006 -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.1.394 / Virus Database: 268.9.9/382 - Release Date: 04/07/2006 This e-mail has been scanned for all viruses by Star. The service is powered by MessageLabs. For more information on a proactive anti-virus service working around the clock, around the globe, visit: http://www.star.net.uk Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions
Re: [iText-questions] tiff2pdf can it create pdf from certain tiff page?
Those tools are not only useful as they are but are also there as an example of what can be done. Look at the source and change it according to your needs. Paulo -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of carl lang Sent: Thursday, July 06, 2006 9:47 AM To: itext-questions@lists.sourceforge.net Subject: [iText-questions] tiff2pdf can it create pdf from certain tiff page? Hi Paulo, I am able to run Tiff2Pdf , but it creates pdf from the entire tiff file, I want to be able to specifiy which page of the tiff must be used to create the pdf, is that possible? also when Tiff2Pdf creates pdf it adds file name to the top of each page in the pdf , is it possible to leave that out? I think it is great to have a free tool such as itext pdf ! Thanks, Carl Lang South Africa -- Forwarded message -- From: carl lang [EMAIL PROTECTED] Date: Jul 6, 2006 10:28 AM Subject: example tiff2pdf To: itext-questions@lists.sourceforge.net Hi Paulo, Would you please be able to tell me where to find an example for using com.lowagie.tools.plugins.Tiff2Pdf, and how to create pdf from multiple page tiff? Thanks, Carl Lang South Africa Message: 1 Date: Wed, 5 Jul 2006 15:02:25 +0100 From: Paulo Soares [EMAIL PROTECTED] Subject: Re: [iText-questions] read multiple pages of a tiff To: Post all your questions about iText here itext-questions@lists.sourceforge.net mailto:itext-questions@lists.sourceforge.net Message-ID: [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] Content-Type: text/plain; charset=us-ascii com.lowagie.tools.plugins.Tiff2Pdf Paulo -Original Message- From: [EMAIL PROTECTED] [mailto: [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] ] On Behalf Of carl lang Sent: Wednesday, July 05, 2006 1:29 PM To: itext-questions@lists.sourceforge.net mailto:itext-questions@lists.sourceforge.net Subject: [iText-questions] read multiple pages of a tiff Hi, I have recently downloaded itext software to create PDF files, I am interested in creating a PDF file with tiff images, my question is how can I create a PDF from a tiff file that has multiple pages of images in it. So for example I would like to create a PDF from a tiff page number 2. Is this possible? Thanks in advance, Carl Lang Aviso Legal: Esta mensagem é destinada exclusivamente ao destinatário. Pode conter informação confidencial ou legalmente protegida. A incorrecta transmissão desta mensagem não significa a perca de confidencialidade. Se esta mensagem for recebida por engano, por favor envie-a de volta para o remetente e apague-a do seu sistema de imediato. É proibido a qualquer pessoa que não o destinatário de usar, revelar ou distribuir qualquer parte desta mensagem. Disclaimer: This message is destined exclusively to the intended receiver. It may contain confidential or legally protected information. The incorrect transmission of this message does not mean the loss of its confidentiality. If this message is received by mistake, please send it back to the sender and delete it from your system immediately. It is forbidden to any person who is not the intended receiver to use, distribute or copy any part of this message. Aviso Legal: Esta mensagem é destinada exclusivamente ao destinatário. Pode conter informação confidencial ou legalmente protegida. A incorrecta transmissão desta mensagem não significa a perca de confidencialidade. Se esta mensagem for recebida por engano, por favor envie-a de volta para o remetente e apague-a do seu sistema de imediato. É proibido a qualquer pessoa que não o destinatário de usar, revelar ou distribuir qualquer parte desta mensagem. Disclaimer: This message is destined exclusively to the intended receiver. It may contain confidential or legally protected information. The incorrect transmission of this message does not mean the loss of its confidentiality. If this message is received by mistake, please send it back to the sender and delete it from your system immediately. It is forbidden to any person who is not the intended receiver to use, distribute or copy any part of this message. Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions
Re: [iText-questions] PdfPCell in a layer...
You can do it with a cell event and apply the layer to canvases. Paulo -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Marco Schoolenberg Sent: Thursday, July 06, 2006 9:31 AM To: itext-questions@lists.sourceforge.net Subject: [iText-questions] PdfPCell in a layer... Dear Itext contributers, I am new to iText. First of I want to say very nice package. Though I have a question. In my code I am in a for loop hitting the elements of a Vector object with some db entries. I am wondering if there is a good way to add a specific PdfPCell to a PdfLayer. The issue is I don't want to add the whole table I am looping true to the layer because. I have tried to make use of: TextField ff = new TextField(writer, new Rectangle(200, 600, 300, 620), field1); ff.setBorderColor(Color.blue); // ff.setBorderStyle(PdfBorderDictionary.STYLE_SOLID); ff.setBorderWidth(TextField.BORDER_WIDTH_THIN); ff.setText(I'm a form field); PdfFormField form = ff.getTextField(); form.setLayer(l2); writer.addAnnotation(form); Writing it in this way presents me with positioning a issue. I would like to use a setLayer(layer) on a PdfPCell. I know I can't can anyone give me a good suggestion? Kind regards Marco Schoolenberg [EMAIL PROTECTED] Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057; dat=121642 ___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions Aviso Legal: Esta mensagem é destinada exclusivamente ao destinatário. Pode conter informação confidencial ou legalmente protegida. A incorrecta transmissão desta mensagem não significa a perca de confidencialidade. Se esta mensagem for recebida por engano, por favor envie-a de volta para o remetente e apague-a do seu sistema de imediato. É proibido a qualquer pessoa que não o destinatário de usar, revelar ou distribuir qualquer parte desta mensagem. Disclaimer: This message is destined exclusively to the intended receiver. It may contain confidential or legally protected information. The incorrect transmission of this message does not mean the loss of its confidentiality. If this message is received by mistake, please send it back to the sender and delete it from your system immediately. It is forbidden to any person who is not the intended receiver to use, distribute or copy any part of this message. Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions
Re: [iText-questions] Getting the bytes of the digital signature ?
Probably easier this way: AcroFields af = reader.getAcroFields(); PdfDictionary v = af.getSignatureDictionary(Signature1); PdfString ct = (PdfString)v.get(PdfName.CONTENTS); byte[] b = ct.getBytes(); Paulo -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Luiz Kobayashi Sent: Tuesday, July 04, 2006 11:25 PM To: Post all your questions about iText here Subject: Re: [iText-questions] Getting the bytes of the digital signature ? Paulo, first of all, many thanks for your reply. I have been trying to do as you suggested, but I am unable to understand how to get the dictionary. I have got a new PdfReader to read it, I got its AcroFields, but while I can get its fields using getFields(), I haven't figured out how to use the dictionary with it in order to get the ArrayList (or similar) with the DS content. If you could shed me some light on this, I'd be most grateful. Thanks again and sorry for the trouble, Luiz Kobayashi Paulo Soares escreveu: The easiest way is to sign the pdf and then read it with PdfReader. From there get AcroFields.Item.merged dictionary, then the key /V and then /Contents. Paulo - Original Message - From: Luiz Kobayashi [EMAIL PROTECTED] To: Post all your questions about iText here itext-questions@lists.sourceforge.net Sent: Friday, June 30, 2006 8:07 PM Subject: [iText-questions] Getting the bytes of the digital signature ? Hi all, I am using iText to apply digital signatures to my PDFs. It works really great (many thanks for the developers! :-) ) I was wondering whether there is a way to retrieve the bytes corresponding to the digital signature itself. The code snippet provided in the website and in the Javadoc allows me to sign and verify the signature, but I have no control about the signature itself. I am thinking about signing the PDF first and then using something along the lines of AcroFields af = reader.getAcroFields(); ArrayList names = af.getSignatureNames(); PdfPKCS7 pk = af.verifySignature(name); byte[] digitalsignature = getEncodedPKCS7(); to get the bytes. Is this approach correct? Or is there any smarter way? Any help would be greatly appreciated. Thanks in advance, -- Luiz Kobayashi Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057; dat=121642 ___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions Aviso Legal: Esta mensagem é destinada exclusivamente ao destinatário. Pode conter informação confidencial ou legalmente protegida. A incorrecta transmissão desta mensagem não significa a perca de confidencialidade. Se esta mensagem for recebida por engano, por favor envie-a de volta para o remetente e apague-a do seu sistema de imediato. É proibido a qualquer pessoa que não o destinatário de usar, revelar ou distribuir qualquer parte desta mensagem. Disclaimer: This message is destined exclusively to the intended receiver. It may contain confidential or legally protected information. The incorrect transmission of this message does not mean the loss of its confidentiality. If this message is received by mistake, please send it back to the sender and delete it from your system immediately. It is forbidden to any person who is not the intended receiver to use, distribute or copy any part of this message. Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions
Re: [iText-questions] Embedding external PKCS7 Signature - Debugging...
You need to calculate the hash only over the bytes that you get from PdfSignatureAppearance.getRangeStream(). You may also need to use the subfilter PdfName.ADBE_PKCS7_SHA1 but it all depends on what is inside the generated PKCS#7. Paulo -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Oliver Welter Sent: Wednesday, July 05, 2006 7:22 AM To: itext-questions@lists.sourceforge.net Subject: [iText-questions] Embedding external PKCS7 Signature - Debugging... Hi Folks, I have a problem with diigtal signed PDFs - here is what I want to do: I have a Java-App that calculates the hash of a PDF Document, gives this Hash to an external Application and receives a PKCS7 container with the signature back. The container has not only the sigend Hash but another PKCS7 structure, containing a Timestamp and the hash. So I used PPKFS dic.put(PdfName.FILTER, new PdfName(SAFE.PPKSF)); dic.put(PdfName.SUBFILTER, new PdfName(adbe.pkcs7.detached)); And copied the external received structure to another dictornary dic.put(PdfName.CONTENTS, new PdfString(outc).setHexWriting(true)); All seems runninf fine, the signatuer is embeded and I can see it in the PDF Document but its invalid. Acrobat complains that the content was altered 1 misc modification. So - first question: Is this was correct ? Do I use the right implementation and thus is acrobat using the correct hash for validation? If so, is there any way to extract the hash back from the PKCS7 container - I tried hard and I am a bit familiar with openssl tools, but didnt manage to get this out... TIA and regards Oliver -- Diese Nachricht wurde digital unterschrieben oliwel's public key: http://www.oliwel.de/oliwel.crt Basiszertifikat: http://www.ldv.ei.tum.de/page72 Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057; dat=121642 ___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions Aviso Legal: Esta mensagem é destinada exclusivamente ao destinatário. Pode conter informação confidencial ou legalmente protegida. A incorrecta transmissão desta mensagem não significa a perca de confidencialidade. Se esta mensagem for recebida por engano, por favor envie-a de volta para o remetente e apague-a do seu sistema de imediato. É proibido a qualquer pessoa que não o destinatário de usar, revelar ou distribuir qualquer parte desta mensagem. Disclaimer: This message is destined exclusively to the intended receiver. It may contain confidential or legally protected information. The incorrect transmission of this message does not mean the loss of its confidentiality. If this message is received by mistake, please send it back to the sender and delete it from your system immediately. It is forbidden to any person who is not the intended receiver to use, distribute or copy any part of this message. Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions
Re: [iText-questions] Embedding external PKCS7 Signature - Debugging...
Hi Paulo, You need to calculate the hash only over the bytes that you get from In the meantime I found the error - my Application is not able to sign binary data :( subfilter PdfName.ADBE_PKCS7_SHA1 but it all depends on what is inside the generated PKCS#7. Is there somewhere a usable documentation on the options - I have searched adobe websites but didnt find anything valuable... I am looking for the possibility to embed the SHA1 in a base64 encoded form - anybody knows if this is possible ? Oliver -- Diese Nachricht wurde digital unterschrieben oliwel's public key: http://www.oliwel.de/oliwel.crt Basiszertifikat: http://www.ldv.ei.tum.de/page72 smime.p7s Description: S/MIME Cryptographic Signature Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions
Re: [iText-questions] Embedding external PKCS7 Signature- Debugging...
-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Oliver Welter Sent: Thursday, July 06, 2006 12:42 PM To: Post all your questions about iText here Subject: Re: [iText-questions] Embedding external PKCS7 Signature- Debugging... Hi Paulo, You need to calculate the hash only over the bytes that you get from In the meantime I found the error - my Application is not able to sign binary data :( subfilter PdfName.ADBE_PKCS7_SHA1 but it all depends on what is inside the generated PKCS#7. Is there somewhere a usable documentation on the options - I have searched adobe websites but didnt find anything valuable... http://partners.adobe.com/public/developer/acrobat/index_advanced.html I am looking for the possibility to embed the SHA1 in a base64 encoded form - anybody knows if this is possible ? Not possible. You must sign the binary data. Paulo Aviso Legal: Esta mensagem é destinada exclusivamente ao destinatário. Pode conter informação confidencial ou legalmente protegida. A incorrecta transmissão desta mensagem não significa a perca de confidencialidade. Se esta mensagem for recebida por engano, por favor envie-a de volta para o remetente e apague-a do seu sistema de imediato. É proibido a qualquer pessoa que não o destinatário de usar, revelar ou distribuir qualquer parte desta mensagem. Disclaimer: This message is destined exclusively to the intended receiver. It may contain confidential or legally protected information. The incorrect transmission of this message does not mean the loss of its confidentiality. If this message is received by mistake, please send it back to the sender and delete it from your system immediately. It is forbidden to any person who is not the intended receiver to use, distribute or copy any part of this message. Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions
Re: [iText-questions] dpi userunits
At 06:25 AM 7/6/2006, Andrew Thompson wrote: Is this what is meant by userunits? If you are referring to the key on the /Page called /UserUnits - then no. Basically I am putting a map image as a jpg into a pdf document, but this is generated using 96dpi, when the pdf is created the scale is being altered as itext is creating at 72dpi, Just do the math to create the appropriate scale transform when you place the image. Leonard --- Leonard Rosentholmailto:[EMAIL PROTECTED] Chief Technical Officer http://www.pdfsages.com PDF Sages, Inc. 215-938-7080 (voice) 215-938-0880 (fax) Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions
Re: [iText-questions] Silently printing a PDF to a network printer
At 03:00 AM 7/6/2006, Matt Krevs wrote: Sadly, the printer in question is on a Windows platform. Do you know of a Windows specific solution? The best solutions for Windows involve calling out to a native component - be it Adobe Acrobat or some other 3rd party solution. Leonard --- Leonard Rosentholmailto:[EMAIL PROTECTED] Chief Technical Officer http://www.pdfsages.com PDF Sages, Inc. 215-938-7080 (voice) 215-938-0880 (fax) Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions
Re: [iText-questions] dpi userunits
But the problem is that depending on the resolution of the screen the image that is sent to the pdf is of different sizes, is there definetely no way in itext to alter the default dpi? -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Leonard Rosenthol Sent: 06 July 2006 13:23 To: Post all your questions about iText here; Post all your questions about iText here Subject: Re: [iText-questions] dpi userunits At 06:25 AM 7/6/2006, Andrew Thompson wrote: Is this what is meant by userunits? If you are referring to the key on the /Page called /UserUnits - then no. Basically I am putting a map image as a jpg into a pdf document, but this is generated using 96dpi, when the pdf is created the scale is being altered as itext is creating at 72dpi, Just do the math to create the appropriate scale transform when you place the image. Leonard --- Leonard Rosentholmailto:[EMAIL PROTECTED] Chief Technical Officer http://www.pdfsages.com PDF Sages, Inc. 215-938-7080 (voice) 215-938-0880 (fax) Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions This e-mail has been scanned for all viruses by Star. The service is powered by MessageLabs. For more information on a proactive anti-virus service working around the clock, around the globe, visit: http://www.star.net.uk -- No virus found in this incoming message. Checked by AVG Free Edition. Version: 7.1.394 / Virus Database: 268.9.9/382 - Release Date: 04/07/2006 -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.1.394 / Virus Database: 268.9.9/382 - Release Date: 04/07/2006 This e-mail has been scanned for all viruses by Star. The service is powered by MessageLabs. For more information on a proactive anti-virus service working around the clock, around the globe, visit: http://www.star.net.uk Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions
Re: [iText-questions] dpi userunits
At 09:09 AM 7/6/2006, Andrew Thompson wrote: But the problem is that depending on the resolution of the screen the image that is sent to the pdf is of different sizes, You mean you are putting different images INTO the PDF document? Or you are talking about what Acrobat (or whatever PDF viewer) is doing when it displays the created PDF on the user's computer? is there definetely no way in itext to alter the default dpi? A PDF document DOES NOT HAVE a dpi! It is a resolution-independent collection of objects. Leonard --- Leonard Rosentholmailto:[EMAIL PROTECTED] Chief Technical Officer http://www.pdfsages.com PDF Sages, Inc. 215-938-7080 (voice) 215-938-0880 (fax) Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions
[iText-questions] cant get source code!
Hi Paulo, I Downloaded the itext-src-1.4.2.zip file but I am unable to open with winzip, error is it does not appear to be a valid archive. i also tried using wincvs to download src , but i'm having trouble using wincvs , it gives an error when i try log in : cvs -d :pserver:[EMAIL PROTECTED]:/cvsroot/itext login Unable to initialize the CVS process: The system cannot find the file specified. The CVS used is : cvs.exe I wonder if you could send me the itext source by email please? Thanks for your time, Carl Lang South Africa Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions
Re: [iText-questions] dpi userunits
Well basically I have an image that has a scale bar of 2.91 but when it is inserted into the pdf document it is being displayed as 3.4cm, if the pdf does not have a dpi then where has this default of 72dpi arisen from? -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Leonard Rosenthol Sent: 06 July 2006 15:07 To: Post all your questions about iText here; Post all your questions about iText here Subject: Re: [iText-questions] dpi userunits At 09:09 AM 7/6/2006, Andrew Thompson wrote: But the problem is that depending on the resolution of the screen the image that is sent to the pdf is of different sizes, You mean you are putting different images INTO the PDF document? Or you are talking about what Acrobat (or whatever PDF viewer) is doing when it displays the created PDF on the user's computer? is there definetely no way in itext to alter the default dpi? A PDF document DOES NOT HAVE a dpi! It is a resolution-independent collection of objects. Leonard --- Leonard Rosentholmailto:[EMAIL PROTECTED] Chief Technical Officer http://www.pdfsages.com PDF Sages, Inc. 215-938-7080 (voice) 215-938-0880 (fax) Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions This e-mail has been scanned for all viruses by Star. The service is powered by MessageLabs. For more information on a proactive anti-virus service working around the clock, around the globe, visit: http://www.star.net.uk -- No virus found in this incoming message. Checked by AVG Free Edition. Version: 7.1.394 / Virus Database: 268.9.9/382 - Release Date: 04/07/2006 -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.1.394 / Virus Database: 268.9.9/382 - Release Date: 04/07/2006 This e-mail has been scanned for all viruses by Star. The service is powered by MessageLabs. For more information on a proactive anti-virus service working around the clock, around the globe, visit: http://www.star.net.uk Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions
Re: [iText-questions] cant get source code!
Could it be you issued a 'save link as' from the itext Download Compile webpage? If yes, you save an html file instead of the source :) The link direct you to a list of mirrors for downloading carl lang wrote: Hi Paulo, I Downloaded the itext-src-1.4.2.zip file but I am unable to open with winzip, error is it does not appear to be a valid archive. i also tried using wincvs to download src , but i'm having trouble using wincvs , it gives an error when i try log in : cvs -d :pserver:[EMAIL PROTECTED]:/cvsroot/itext login Unable to initialize the CVS process: The system cannot find the file specified. The CVS used is : cvs.exe I wonder if you could send me the itext source by email please? Thanks for your time, Carl Lang South Africa Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions
Re: [iText-questions] dpi userunits
At 10:24 AM 7/6/2006, Andrew Thompson wrote: Well basically I have an image that has a scale bar of 2.91 At what resolution? 72dpi or 96dpi? but when it is inserted into the pdf document it is being displayed as 3.4cm, Are you providing a transform when you place it into the PDF? if the pdf does not have a dpi then where has this default of 72dpi arisen from? Because the default transformation matrix in a PDF is 72 USER UNITS to an inch, but that's not an actual dots per inch (dpi) since vector and textual data have no dots. When placing an image, unless you specify a transform, the pixels in the image are assumed to be in user units (so there would be 72 of them to an inch, which would be logically equivalent to 72dpi). If you wish to adjust the relationship of pixels to user units for this particular image, then you apply a transform when you place the image. OK? Leonard --- Leonard Rosentholmailto:[EMAIL PROTECTED] Chief Technical Officer http://www.pdfsages.com PDF Sages, Inc. 215-938-7080 (voice) 215-938-0880 (fax) Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions
[iText-questions] Using AcroForm for form letter generation
I am working on a web application that needs to create form letters with data pulled from a database merged into those letters. The form letters are to appear as one long page in the users browser window. Then when he/she goes to print from the browser, the letters print out one after the other, one page per letter. I want to create the PDF output in memory by sending the output directly to the client via the servlets output stream. I would rather not write files on the server. One way I am considering doing this is by using an Acrobat form (AcroForm), filling it in once for each record pulled from the database. However, I can only generate one letter at a time when writing directly to the servlets output stream. I want to fill in the form multiple times, sending the output as one continuous stream. I CAN open the Acrobat form, fill it in and save it to a file for each letter and then copy all the files into one file and send it to the user but that is not what I WANT to do. Does anybody know of a way to do what I have described using Acrobat forms? Thanks! Nick __ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions
Re: [iText-questions] Using AcroForm for form letter generation
Nick V wrote: I want to create the PDF output in memory by sending the output directly to the client via the servlet’s output stream. I would rather not write files on the server. One way I am considering doing this is by using an Acrobat form (AcroForm), filling it in once for each record pulled from the database. However, I can only generate one letter at a time when writing directly to the servlet’s output stream. I want to fill in the form multiple times, sending the output as one continuous stream. I CAN open the Acrobat form, fill it in and save it to a file for each letter and then copy all the files into one file and send it to the user but that is not what I WANT to do. Does anybody know of a way to do what I have described using Acrobat forms? Today I gave a demo about a system that did just that, see: http://itext.ugent.be/articles/ects-ict/index.php?page=4#start What you need to do is read the empty AcroForm with PdfReader, create a PdfStamper object that writes to a ByteArrayOutputStream, then use the bytes returned by the toByteArray method of this outputstream to create a new PdfReader, use this PdfReader with PdfCopy to create the final PDF also in memory. Iterate the reading and stamping for every record in your database. Add every page to the PdfCopy object... br, Bruno Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions
[iText-questions] Fwd: iText
Note: forwarded message attached. Do you Yahoo!? Next-gen email? Have it all with the all-new Yahoo! Mail Beta.---BeginMessage--- Hi I am RAKIB trying to use iText Library.To install iText library i follow the rules written by "Christoph Bartnick".But when i create the"CLASSPATH"variable with the value of iText Jar File's destination path I can compile every java program but fail to run any java program.When i run any program an exception is thrown each time that is "java.lang.NoClassDefFoundError". But if i delete the "CLASSPATH" varible i can able to compile and run all the Javaprogram which are not related to itext library. i am using J2SE 5.0,TextPad 4.5, windows 2000 professional. So What Should I Do Now? Please help me to solve the problem Yahoo! Music Unlimited - Access over 1 million songs. Try it free. ---End Message--- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions
Re: [iText-questions] dpi userunits
Andrew, Leonard isn't just being pedantic. It's important to understand what's happening here. Peter Leonard Rosenthol wrote: At 10:24 AM 7/6/2006, Andrew Thompson wrote: Well basically I have an image that has a scale bar of 2.91 At what resolution? 72dpi or 96dpi? but when it is inserted into the pdf document it is being displayed as 3.4cm, Are you providing a transform when you place it into the PDF? if the pdf does not have a dpi then where has this default of 72dpi arisen from? Because the default transformation matrix in a PDF is 72 USER UNITS to an inch, but that's not an actual dots per inch (dpi) since vector and textual data have no dots. When placing an image, unless you specify a transform, the pixels in the image are assumed to be in user units (so there would be 72 of them to an inch, which would be logically equivalent to 72dpi). If you wish to adjust the relationship of pixels to user units for this particular image, then you apply a transform when you place the image. OK? Leonard -- Peter B. West http://cv.pbw.id.au/ Folio http://defoe.sourceforge.net/folio/ Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions
[iText-questions] Paragraph and PdfContentByte
Hello.I have a problem writing into an existing pdf file. I want to write a Paragraph into a pdf bookmark, but I don't find what is the PdfContentByte's method to do add a Paragraph nor the funcionality to add a Paragraph at a specific position. If it is not posible, It will be enough if I could justify a text of a bookmark.Could you help me?Thanks in advance!Miguel Tablado. Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions
[iText-questions] iText
Hi I am RAKIB trying to use iText Library.To install iText library i follow the rules written by "Christoph Bartnick".But when i create the"CLASSPATH"variable with the value of iText Jar File's destination path I can compile every java program but fail to run any java program.When i run any program an exception is thrown each time that is "java.lang.NoClassDefFoundError". But if i delete the "CLASSPATH" varible i can able to compile and run all the Javaprogram which are not related to itext library. i am using J2SE 5.0,TextPad 4.5, windows 2000 professional. So What Should I Do Now? Please help me to solve the problem Yahoo! Music Unlimited - Access over 1 million songs. Try it free. Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions
[iText-questions] PdfPTable, thin rectangle(s) and half empty pages (fwd)
Hello, I have a document that contains 4 PdfPTable. One of these PdfPTable contains 6 columns, and one of these 6 columns could potentially contain a very long cell that spans over more than 1 page. The problem that I have notice is, whenever I have at least a cell that spans over more than 1 page, there will be mysterious, very thin (about 1 mm or so) rectangles on the top of the next page. Also, if the next row in the PdfPTable cannot fit into the remaining of the page, it will leave the remaining of the page blank (sometimes about half a page of empty spaces ) and start the next row on the next page. Is it possible to fill the empty spaces with some of the content for the next row, rather than having the empty half page ? Thanks Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions
Re: [iText-questions] Paragraph and PdfContentByte
PdfContentByte is strictly for things that appear in pages. A
bookmark's appearance is just a string... you can't even control the font or
point size.
You can set
the color, and have flags to control 'italic' and 'bold', but that's it.
I'm not sure that iText exposes this ability, let me check... Yes, iText
has a PdfOutline object that allows you to set its color (with a java.awt.Color)
and style.
And there's
an example of how to use it:
http://itextdocs.lowagie.com/examples/com/lowagie/examples/directcontent/pageevents/Bookmarks.java
It actually uses a PdfContentByte, but only as a way to access the root
outline. I suspect that PdfWriter.getRootOutline() was added after this
example was written... it would be less confusing to write
Bookmarks.OnParagraph() like this:
public void onParagraph(PdfWriter writer,
Document document, float position)
{
n++; PdfDestination destination
= new PdfDestination(PdfDestination.FITH, position); PdfOutline root =
writer.getRootOutline(); PdfOutline outline = new PdfOutline(root,
destination, "paragraph " + n);}
I believe you can safely ignore the
"new PdfOutline" return value. Outlines are in a doubly linked parent-child
tree, so there's no danger of it being garbage collected... javac might complain however, though you'll still
get a 'variable assigned but never used'
warning.
--Mark Storer Senior Software Engineer
Cardiff Software
#include disclaimer typedef std::DisclaimerCardiff DisCard;
-Original Message-From:
[EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]On Behalf Of
Miguel TabladoSent: Thursday, July 06, 2006 9:04
AMTo: itext-questions@lists.sourceforge.netSubject:
[iText-questions] Paragraph and
PdfContentByteHello.I have a problem writing into
an existing pdf file. I want to write a Paragraph into a pdf bookmark, but I
don't find what is the PdfContentByte's method to do add a Paragraph nor the
funcionality to add a Paragraph at a specific position. If it is not
posible, It will be enough if I could justify a text of a
bookmark.Could you help me?Thanks in advance!Miguel
Tablado.
Using Tomcat but need to do more? Need to support web services, security?
Get stuff done quickly with pre-integrated technology to make your job easier
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642___
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Re: [iText-questions] Getting the bytes of the digital signature ?
Thanks a lot, Paulo! Luiz Kobayashi Paulo Soares escreveu: Probably easier this way: AcroFields af = reader.getAcroFields(); PdfDictionary v = af.getSignatureDictionary(Signature1); PdfString ct = (PdfString)v.get(PdfName.CONTENTS); byte[] b = ct.getBytes(); Paulo Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions
[iText-questions] How to edit the appearance of an existing digital signature?
Hello all, first of all, many thanks again to Paulo, who helped me a lot in my previous question. My next question is: How to edit the appearance of an existing digital signature? Is this possible? One thing that I want to do is to sign a pdf and display the digital signature in base64 in the n2 layer. The way I thought to do was: 1) Sign the pdf as shown in the tutorial 2) Read the signed pdf file and retrieve the signature bytes (thanks to Paulo who showed me how to do it!) 3) Get the n2 layer of the signature and change it. But when I try to do PdfReader reader2 = new PdfReader(baos.toByteArray()); // baos is the byte array where the signed pdf is stored PdfStamper stp2 = new PdfStamper(reader2, fout, '\0', true); PdfSignatureAppearance sap2 = stp2.getSignatureAppearance(); I get a java.lang.NullPointerException whenever I try doing anything with sap2, like sap2.getLayer(2) or sap2.setLayer2Text(). So, I was wondering what would be the right way to do, if there is one. Any help would be greatly appreciated. Thanks in advance, Luiz Kobayashi Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions
Re: [iText-questions] How to edit the appearance of an existing digitalsignature?
My next question is: How to edit the appearance of an existing digital signature? Is this possible? Yes, it's possible... but in all likelyhood it would invalidate the signature. If iText is doing the initial signing, you could safely modify PdfSignatureAppearance.getAppearance() and still have valid signatures. After poking around in iText a bit, it looks like your NPE is a result of not having called PdfStamper.createSignature() first... which makes perfect sense if you're trying to modify an existing sig. At which point you've departed the land of convenient APIs and have to delve into the low level PDF objects, PdfDictionary and its ilk. --Mark Storer Senior Software Engineer Cardiff Software #include disclaimer typedef std::DisclaimerCardiff DisCard; -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Luiz Kobayashi Sent: Thursday, July 06, 2006 2:38 PM To: itext-questions@lists.sourceforge.net Subject: [iText-questions] How to edit the appearance of an existing digitalsignature? Hello all, first of all, many thanks again to Paulo, who helped me a lot in my previous question. One thing that I want to do is to sign a pdf and display the digital signature in base64 in the n2 layer. The way I thought to do was: 1) Sign the pdf as shown in the tutorial 2) Read the signed pdf file and retrieve the signature bytes (thanks to Paulo who showed me how to do it!) 3) Get the n2 layer of the signature and change it. But when I try to do PdfReader reader2 = new PdfReader(baos.toByteArray()); // baos is the byte array where the signed pdf is stored PdfStamper stp2 = new PdfStamper(reader2, fout, '\0', true); PdfSignatureAppearance sap2 = stp2.getSignatureAppearance(); I get a java.lang.NullPointerException whenever I try doing anything with sap2, like sap2.getLayer(2) or sap2.setLayer2Text(). So, I was wondering what would be the right way to do, if there is one. Any help would be greatly appreciated. Thanks in advance, Luiz Kobayashi Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057; dat=121642 ___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions
Re: [iText-questions] How to edit the appearance of an existing digitalsignature?
At 05:54 PM 7/6/2006, Mark Storer wrote: Yes, it's possible... but in all likelyhood it would invalidate the signature. It SHOULD invalidate the signature - though admittedly, if you do an update instead of a garbage collected save, then it won't. It would achieve your goal. HOWEVER, I would NOT recommend doing this as it would cause Acrobat to flag your documents as modified after signing which could be taken by your users as problematic...HELL, I'd consider it a problem! If iText is doing the initial signing, you could safely modify PdfSignatureAppearance.getAppearance() and still have valid signatures. Except they won't know the sig bits till after it's signed, which means that appearance has to be written out. It's a Catch-22. Leonard --- Leonard Rosentholmailto:[EMAIL PROTECTED] Chief Technical Officer http://www.pdfsages.com PDF Sages, Inc. 215-938-7080 (voice) 215-938-0880 (fax) Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions
Re: [iText-questions] How to edit the appearance of an existing digitalsignature?
You're not the first to ask that and it's not possible without invalidating the signature. In effect, for that to work you would need to sign the signature itself a bit like an endless loop. Paulo - Original Message - From: Luiz Kobayashi [EMAIL PROTECTED] To: itext-questions@lists.sourceforge.net Sent: Thursday, July 06, 2006 10:38 PM Subject: [iText-questions] How to edit the appearance of an existing digitalsignature? Hello all, first of all, many thanks again to Paulo, who helped me a lot in my previous question. My next question is: How to edit the appearance of an existing digital signature? Is this possible? One thing that I want to do is to sign a pdf and display the digital signature in base64 in the n2 layer. The way I thought to do was: 1) Sign the pdf as shown in the tutorial 2) Read the signed pdf file and retrieve the signature bytes (thanks to Paulo who showed me how to do it!) 3) Get the n2 layer of the signature and change it. But when I try to do PdfReader reader2 = new PdfReader(baos.toByteArray()); // baos is the byte array where the signed pdf is stored PdfStamper stp2 = new PdfStamper(reader2, fout, '\0', true); PdfSignatureAppearance sap2 = stp2.getSignatureAppearance(); I get a java.lang.NullPointerException whenever I try doing anything with sap2, like sap2.getLayer(2) or sap2.setLayer2Text(). So, I was wondering what would be the right way to do, if there is one. Any help would be greatly appreciated. Thanks in advance, Luiz Kobayashi Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions
