Invalid Soft Mask - help required
I am trying to add an alpha channel to an in-line image using a soft mask in the graphics state. When the soft mask is referenced directly from an XObject image it works fine, but when referenced from...
View ArticleProblem with: /W[1 3 0]
I'm writing a PDF parser and I'm trying to get cross-reference streams working. I have been able to decode the xref stream with zlib, and I've unpredicted the stream, and I've verified that all the...
View ArticlePDF 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 ArticleTo use Ifilter search in asp.net with c#
I have downloaded the Ifilter 6.0 from the adobe site but unable to implement it in my project with asp.net and c# any link or code.plz send me .
View ArticleHow can I write inline image in PDF file?
Hi All, I am writing an image as inline in the PDF file but the output is blank. I wrote other elements like text, lines and rectangles and they seem to output fine. I have attached the PDF file for...
View ArticleParse XREF table and stream
I open Pdf Reference 1.7 file with a binary viewer program and I want to parse the xref data.At the end of file is:startxref129%%EOF At offset 129 is the linearization xref-table with 817 entries and...
View ArticlePDF debugging tools?
Are there any pdf "debugging" tools available, and if, what are they called? When trying to generate some PDF-files from scratch it is sometimes quite a bit of work trying to figure out where the...
View ArticleHP Harlequin rips generating error processing PDF file
Hi all,I'm a programmer for a company that prints books based on customer uploaded data that we use to generate PDF files. We process the PDF files for printing on HP Indigo presses, which use the...
View ArticlePDF/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 ArticleCross Reference Stream Problem
Hi I try to develop a PDF parser, but I'm stuck at Cross Reference Streams.My program first reads all objects from a PDF document, and then saves it. If the version is 1.5 or higher, the cross...
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 Article"To view the full contents of this document..."
Hi All, I am working on a PDF parser and while parsing PDF file I am able to parse the document catalog & cross reference table but when it comes to content I get a message "To view the full...
View ArticlePDF cross-reference streams
Hello, I noticed a behaviour I don't understand with some PDFs. They are hybrid-reference file where both cross-reference sections carry the same informations (there are 9 meaningful objects and the 9...
View ArticleCID to Unicode Value
Hi,I've got a new question, that is how could I get the corresponding unicode value if I have only the CID value?Thanks.
View ArticleOnline AI into PDF file convertion
I need to perform an online conversion from an AI online generated file, into PDF.This convertion is to be done online, in a web server.I can't find the proper plug'in or software product to do that.I...
View ArticleSecure PDF using certificate
Hi All,I'm developing a secure PDF using certificate.When I open the PDF I get acrobat security saying " A digital ID was used to encrypt this document but no digital ID is present to decrypt it.Make...
View ArticleFinding errors in a PDF
I am generating some PDFs from scratch. One of the files opens fine in Acroba but it still clearly has a structural problem because if I check the file with the preflight in Acrobat it says thet the...
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 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 ArticleInverse y axis and text
When we draw in windows the origin is at the upper left point.I tranform it to the lower left with matrix M=[sc, 0, 0, -sc, 0, y] where sc is some scaling and y the height of the window.The result...
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