change font in DA of FreeText Annotation
I am trying to change the default appearance (the DA entry) of a FreeText annotation. To begin with, I can't find anywhere in Acrobat to change the font of a FreeText annotation. My understanding is...
View ArticleDecode Image Data filtered using flatedecode
Hello All, I am developing a software that will Read PDf File .I am developing my application in VC++.I need to extract images from PDf File,but some images are compressed...
View ArticlePDF Stream Extent?
Hello everyone. I'm trying to interpret exacty what is and isn't included in a PDF stream and to date am still confused. I'll paste a section of the ISO3200 - 1 PDF reference below. I'm not sure, but...
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Importing one Pdf document into another.
I am trying to import one Pdf-document into another using a Reference XObject. I am looking at thePDF- specification, and I thought I was doing things the right way, but its not working. The...
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 Articlehow to map from cid to unicode
Hello.I'm now trying to convert cid to unicode by using the toUnicode cmap.The toUnicode cmap I extracted is as follows: /CIDInit /ProcSet findresource begin12 dict beginbegincmap/CIDSystemInfo<<...
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...
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 ArticleIncremental Updates and PKCS7 Signatures
Hello, this is my first message in this forum and I thank you in advance for your help.I am developing a component to countersign PDFs. I was able to place the first signature ok, but when a...
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 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 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 ArticleR = 6? Standard Encryption Dictionary; AES-256; Acrobat X Pro
Hello Everyone, I've noticed something odd when using Acrobat X Pro to output an AES-256 encrypted PDF file for "Acrobat X and higher". The standard encryption dictionary has R as 6 (see below). 77 0...
View Articleacro 9; self signed digital id; password length
I posted the below question in the acrobat win users group earlier today...but thought it might better answered here since it will be specification or language level answered. I really need to find...
View ArticleIdentity-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 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 ArticleQuestion on OPM as 0
Hi here I went through PDF 1.7 reference and Pitstop Pro to understand the difference between OPM 0 and OPM 1.I have clearly understanding on none-zero overprint mode now. However,I got questions on...
View ArticleLatin-2 (ISO 8859-2) encoding in PDF
Hi,Is any simply way how to add Latin-2 encoding support in to PDF file? I tried to use CMap, but I failed. I have to have some mistake in my code, because Acrobat Reader can't load it.Here...
View Articlehow to map from cid to unicode
Hello.I'm now trying to convert cid to unicode by using the toUnicode cmap.The toUnicode cmap I extracted is as follows: /CIDInit /ProcSet findresource begin12 dict beginbegincmap/CIDSystemInfo<<...
View ArticlePrediction & 4 bitsperpixel in flatedecode filter
Hi,I have an CMYK image which is flatedecoded, predictor is 15 & there are 4 bits per component. Can someone tell me how do I decode this stream properly? What is the correct oreder of...
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