Quantcast
Channel: Adobe Community : Popular Discussions - PDF Language and Specifications
Browsing all 46145 articles
Browse latest View live

Best 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 Article


Include EPS image in PDF

Hi.I Want to include EPS image in PDF document but i don't know how to!Please help me, i don't found in the PDF referece how to!Thanks bye!

View Article


Why 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 Article

FDF no longer works in Reader 10.1.1. Worked in 9.x and previous

I have a web app that was developed many years ago to serve PDF "templates" with user data inserted into it's forms via FDF. Up until Adobe Reader 10.1.1 (currently testing with this version, possibly...

View Article

BaseFont 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 Article


PDF page name

Sorry for bad English.Where can I read about page names?For example: Roman numerals(instead of numeric pages) in PDF specification first pages.http://www.adobe.com/devnet/acrobat/pdfs/PDF32000_2008.pdf

View Article

sparse images (matrices)

hi,i'm currently trying to efficiently code the sparsity pattern of a matrix as postscript or pdf code, but i'm not sure what would be the preferred way to do so.the problem is the following:suppose...

View Article

differentiating between a text and an image PDF

Hi, I am a total newbie to pdf development. Basically I am working on a MS SQL Server procedure that looks for a specific keyword in the uploaded pdf. The uploaded pdf is stored in a binary column of a...

View Article


Please, help with Incremental Update for Linearized document.

Hi, here is my problem.I'm working in my own annotation app. It incrementally updates pdfs. Works fine with most of the pdfs.But i've found couple of pdfs, that was being corrupted after updating. Here...

View Article


Adding 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 Article

PDF Encryption: encrypted string with 0x0D gives error in Acrobat.

I am generating enrypted PDF using Standard password security handler with CFM "AESV3" i.e 256-bit AES. The issue is that if encrypted string  in the PDF contains byte 0x0D i.e "CR", Acrobat  9/X  does...

View Article

PDF/VT

Hi all, Anyone aware of good sources with (background) information about PDF/VT (not too technical, but enough to understand the general idea and concept of PDF/VT, the way it is condstructed, so you...

View Article

Acrobats PieceInfo for Header and Footer spec?

Hi, I would like to process PDF documents  with Headers, Footers and Watermarks added by Acrobat. There is a Private application data (PieceInfo) in added Header, Footer and Watermarsk XObjects called...

View Article


Unicode Passwords

Hi, I wonder how acrobat handles a password that contains unicode characters when generating an encryption key. That is, what byte representation (i.e. encoding of the password string) is used, before...

View Article

Colors and windows programming

I started reading about colors (Graphics chapter)  in pdf reference. In windows (.NET) when we draw some color we use only the RGB format. If I want to display a filled rectangle in the screen I use...

View Article


PdfA1b - Subject Mismatch between Document Info and XMP metadata

As far as I can tell, when generating PdfA-1b files I am completely compliant with the spec. Yet when I try to preflight verify my output I get the following error: "Subject mismatch between Document...

View Article

Identity-H, CMap and troubles choosing predefined encodings

I'm trying to parse certain pdf document on Mac OS X. The pages have embeded CID () fonts with Identity-H encoding. The font itself is Type0 font with CIDFontType2 descendant font. I'm able to extract...

View Article


Automatically scaling/sizing a PDF file

I support a web-based application that includes a query tool which allows the user to generate a PDF file from the query results. The PDF file is generated in landscape orientation and contains several...

View Article

Acroread Error Code List

I'm working on custom PDF editing tools, compatible with older versions of acroread. In order to debug document errors, I was hoping I could find a listing of the mysterious numeric error code popups...

View Article

Image may be NSFW.
Clik here to view.

How to change the orientation of signature object according to the Page Rotation

Hello, I have developed one component in VC++ which Signs PDF files. I have some PDF files in which pages are rotated in  90 or 180 or 270 degrees.When I sign a PDF file with page orientation as...

View Article
Browsing all 46145 articles
Browse latest View live


<script src="https://jsc.adskeeper.com/r/s/rssing.com.1596347.js" async> </script>