What 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 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 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...
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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 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 ArticleAutomatically 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 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 ArticleGet UTF-16 characters into PDF Document
I am trying to figure out how to get unicode characters that don't begin with \u00 to render as PDF.The following PDF works fine, because the Unicode character i'm tryng to render starts with...
View ArticleGetting the text position (inside or outside a box?)
Hi all, I'm using plain Ruby to access the content of an PDF file. This by using yob's PDF Reader from GitHub.Now I've come a long way, but still have one question remaining! How to get the position of...
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 ArticleAutomatically 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 ArticleCross reference stream
Hello!I'm in real trouble, and I think that the answer is very close to me, but I can't get it by myself...Here is my problem:I'm currently improving the PDF parser that I've made, adding support for...
View ArticleUnable to decompress Xref Stream
HiI am trying to get the cross-reference stream for weeks now, and have almost pulled all my hair out. =(Can anyone show me how to get the cross-reference stream?I use the FlateDecode() from iText...
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 ArticleInvalid font
Excuse me if I'm in the wrong place, but I couldn't find a more appropriate group to ask this question.I received a PDF of an advert to place in my newspaper in IDCS3. No problems there. When the PDF...
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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 Articlesearchability & metadata extraction on password protected or compressed PDFs
Hello, I am currently putting together a new document management system at my company (using http://www.alfresco.com ) and part of the functionality will involve automatic metadata extraction from...
View ArticlePDF form field rectangle out of page coordinates
Hi, recently i came across a PDF file which had a (text) form field with the following rectangle coordinates: LowerLeft: 170;850UpperRight: 475;862 The page itself had: 595;841 whereas...
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