PDF blurry...please help
hi,;i feel like there should be an easy way to solve this problem, but i have not been able to figure it out after about an hour of googling. i scanned a 5-page article from a magazine, took the...
View ArticleBatch processing the document language
Hi, I'm trying to batch process a load of PDFs so that they have a document language. I've looked in using Javascript but I can't find a variable that corresponds with it. I know it's in the end...
View ArticleCreate unicode supported pdf
Hallo,Please tell me how do i create a unicode pdf file with VB. I need to know the structure of those PDF files Thanksaz
View ArticleHow to create a pdf file from multiple images ?
Dear All, I want to create a SINGLE page pdf file from two or more page size images that are combined to make a single page pdf. Again, this question is on pdfs that are made out of several, atleast...
View ArticleTransparency group xojbect used as soft mask
Hello, I need to get some clarifications about the pdf specification.The specification says (in 11.6.6) that operator Do should perform the following actions when applied on a transparency group:...
View ArticleJBIG2 Object Stream - Extract with file header?
Hello, I'm attempting to extract JBIG2 images only from a PDF. The only problem is that the JBIG2 images are raw data streams without a header, and so I can't just save it into a .jb2 file, as no...
View ArticleDecoding (...)Tj - what todo with "backslash" in hex encoded ToUnicode indices
Hello @all, I'm currently getting into details about PDF. My current problem is, that I have a PDFwith exactly one font. This font is CMAP font with ToUnicode encoding. I've got the CMAP table - all in...
View Articleinvalid byte range in PKCS#1 signature
Hello, this is my first post in this forum and I am thank you in advance for your help. I am developing a component to sign PDF. I am getting invalid byte range error for the signed PDF document from...
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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 ArticleExact chapter in ISO 15930-1:2001 (PDF/X-1a)
Hi,Silly question perhaps, but which part of ISO 15930-1:2001 (PDF/X-1a) precisely tells me that new PDF-features like Live Transparency (PDF 1.4), Optional content (PDF1.5) are not allowed. Not that I...
View ArticlePDF overlapping quality of two adjacent polygons.
We generate a PDF file using your standard (PDF32000_2008.pdf). This is some parts of our PDFs:% Draw first adjacent polygon.q0.0000 0.0000 m100.0000 0.0000 l0.0000 100.0000 lh W* n/ExtGState2...
View ArticleEmbedding a font without subsetting.
Hello, I try to programmatically embed a full font into PDf in order to let the later editing of a document. What I do now is scanning through a font file and writing all the glyphs from the ttf into...
View Articlepassword encryption with 256 bit AES algorithm...???
I have an application for the decryption of pdf passwords for 128 bit Rc4 and 128 AES. In this, i am doing 50 times MD5 using an encryption key. Its working well with this approach. But in case of 256...
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...
View Article"There was an error processing a page. Invalid Function resource."
I've got a PDF file that I'm trying to split up its pages. The resulting page gives the error: "There was an error processing a page. Invalid Function resource." I've looked at each object, and other...
View ArticleExtracting files from Portfolio - problem with outlook email created portfolios
Currently I have developed a plugin that can extract files from portfolios using:- PDNameTree tree = PDDocGetNameTree(pdDoc, ASAtomFromString("EmbeddedFiles"));andPDFileAttachmentFromCosObj But i've...
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 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 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 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...
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