Find 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...
View ArticleAdding XRef table to PDF w/ XRef streams?
I'm trying to fill in interactive form annotations by appending the PDF with updated versions of the annotation objects. I'm following the example in the appendix of the PDF spec for adding/modifying...
View ArticleBest way to programmatically test opening a pdf
My company, among other things, uses an image processing library to do complex conversions of various types of content ... including pdfs. Sometimes, this library fails and we are looking for a way to,...
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...
View ArticleRotating text in PDF
Hi there,For some of my work, I'm trying to create a bunch of diagrams and graphics of different kinds directly in PDF. I've written a little Python library to help me do this. The spec is very easy to...
View ArticleFont Type 3 examples?
Hello,reading chapter 5 of the specification my understanding is that:- to support Unicode text in a PDF it looks useful to use a CIDFont.- CIDFonts can be constructed with some TTF or Type-3-Fonts.-...
View ArticleMac PDF files look entirely different on PC
I am designing som educational material in Word (version 14.0.2 ) on my Mac (OSX version 10.8.3 ). The document contains al lot of boxes and shapes with text in them. When i "print to PDF" from Word,...
View Articlehow to create digital signature
<</ByteRange[ 0 18705 23193 67300] /Contents<00000000000000000000000000000000000000000000000000000000000...
View ArticlePdf Portfolio Application.........
Hi Team, Could you please tell me hhow i can develop a Pdf Portfolio solution using Adoble Liberary.I am using .Net and C# to do the same so please tell the exact solution how i can do this. Thank You...
View ArticlePages and resources dictionary
When we read a Page object with a Resources dictionary , do we need to look also at Resources of Parent(s) of the Page and do some merging of resources?Thank You
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 ArticleCreating a PDF viewable online?
Hi all.Is there any way to create a pdf, post it online and have others remotely view it through their browsers? For example, I need to pdf a lengthy InDesign document which will make the file rather...
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How to open a pdf form with fdf data
Hi all, I am working on a new project. In that, I have to load a PDF contract form with FDF data on Internet Explorer Window.I don't know how to do it. Actually I tried using this format on the...
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 ArticleHelp requested reading a FlateDecoded Cross-Reference Stream
I'm trying to build a PDF reader in PHP, but I'm running into issues getting the offsets from the xref stream. I'm using: http://wwwimages.adobe.com/www.adobe.com/content/dam/Adobe/en/devnet/p...
View ArticleStandard 14 fonts embedding
Hello, I read several times carefully the table 111 of ISO-32000, and always bear in mind that "Beginning with PDF 1.5, the special treatment given to the standard 14fonts is deprecated. Conforming...
View ArticleWhat are the permitted compression techniques for PDF/A-1?
The PDF/A-1 standard does not specify how compression is performed. What are the permitted compression techniques for PDF/A-1? The information I have gathered (not sure if all are true) LZW should not...
View ArticleParent/child fonts problem
Hi all I'm developing a program which has been writing out servicable PDF files for a few months, with embedded Truetype fonts; the files open without problem and display correctly. However, I am now...
View Article'missing xobject' in simple test file
I get a 'missing Xobject Im1' error when I try to read the test PDF file below, using Acrobat 8.1.3 (and others), but it works when I read it with Ghostscript. Why is this?Regards,Terry%PDF-1.71 0...
View ArticleLine distance (leading) in PDF text fields
How is the line distance in PDF multiline text form fields controlled? The text leading operator (TL) seems to be ignored, if placed within the DA(default appearance) property of the widget annotation...
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