xref with object number greater than trailer's size value
Hello, a client sent to us a PDF with a strange xref table. Here is what it looks like: xref0 55%% standart xref entries200001 50000052507 00000 n 0000052793 00000 n 0000053079 00000 n 0000053365...
View Article%PDF - is this ALWAYS at the begining of every pdf file?
We are adding the ability to work with pdf files to our application. And we need to identify which type of file we have. Can I be sure that all pdf files start with the same characters? "%PDF" And...
View ArticleProblem with JPXDecode / JPEG2000
Hello, I have problems with generating valid PDF using the OpenJPEG 2000 codec. Acrobat immediatly crashing, opening the attached file with FoxIt or Nitro works fine. I've tried different channels (3 /...
View ArticleBaseFont and FontName must be equals?
I have trouble with an PDF/A document and some readers we are using: - Acrobat (Reader) 9.X works fine- Acrobat (Reader) 6.X and our own inhouse reader have problems I tracked it down to the following...
View ArticleProblems opening .pdf files created in Windows in MAC
My clients that are using Macs are having problems opening password protected PDFs that I created in Windows. Any suggestions?
View ArticleCan't open libHaru-generated PDF with Reader, other readers work.
Our application uses libHaru to export PDF images. These PDFs can be opened using PDFlite on Windows, Preview on Mac and some other readers. However, I have tried several versions of Adobe Reader on...
View ArticleIs it possible to merge two PDF pages into one page?
I have two PDF pages - one is a certificate, the other a logo - that I need to merge into a single one-page document (that is - I want the logo to superimpose over the certificate). Is this possible...
View Articleremoving hypertext links from text
Does anyone have experience removing hypertext links from PDF docs?Using MS Word 2003, I have a doc. containing URLs and I am generating a PDF and trying to remove the hypertext link from the URL. In...
View ArticleGet UTF-16 characters into PDF Document
I am trying to figure out how to get unicode characters that don't begin with \u00 to render as PDF.The following PDF works fine, because the Unicode character i'm tryng to render starts with...
View ArticlePDF Invoice generator
Hi guys and gals.I have a small online shop and I'm looking for an invoice generator in PDF- something to make my life easier - I am thinking maybe a way to take the data from my MySql database, and...
View ArticlePlacement and appearance digital signature
I have a couple of questions about the placement and appearance of the digital signature. First the placement:Is it technically possible to place the digital signature after Word-fields when you...
View ArticleUsing external font file in a pdf document
Hello, I try to create programmatically a pdf file which whould use an external ttf file. Right now my soft generates something like this:3 0 obj<</Type /Pages/Count 1/Kids[5 0 R...
View ArticleSecond digital signature invalidates the first one
Hello to all, I'm having some troubles adding a second digital signature to an already digitally signed PDF. The library that I'm using in order to handle the PDFs is an open source one, so I'm...
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How to find the pdf language?
Hi, My plugin application written in VC++ using acrobat SDK 7 now need to support the japanese document.How can I find the languages present in the given document programatically.Any help would be...
View ArticlePDF Programming
hi everybodyi need to know how to make pdf when u have data which lies in between stream and endstream in pdf file .Actually i want to change pdf data for localization so i have to edit the data of pdf...
View ArticleFlate decoding
I have a stream that looks approximately like the following. It's supposed to be an XrefStm but my flate decoder is decoding this stream into a bunch of ascii control characters. I'm using xceed to...
View ArticlePDF Encryption
Reading through the 1.7 PDF Reference guide looking at the "Computing an encryption key" and I'm not sure how to translate step 7 to code. It says: "Finish the hash". Can anyone shed some light as to...
View ArticleDealing with Predictors when decoding PDFs
I've seen a lot of questions about how to "unpredict" Xref streams. The answer usually goes something like "RTFM!" Well, I have R'd the FM, and it's still complicated. So, to save others the pain I've...
View ArticleWhy have a default user password feauture?
Hi, I (understood) read in the manual that there could be a default user password - 28 BF 4E 5E 4E 75 8A 41 64 00 4E 56 FF FA 01 082E 2E 00 B6 D0 68 3E 80 2F 0C A9 FE 64 53 69 7A. If the file is...
View ArticleFind actual %%EOF end of file
I am trying to identify a PDF-file in a binary data stream. I realize a PDF starts with %PDF and ends with %%EOF, but since there can be multiple %%EOF markers in one file, how do I determine the...
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