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 Articletext-searchable PDF
Hi,Given an image file of text, say a TIFF, and results of OCRing it, with the co-ordinates of each word in the document, can this be converted into a text-searchable PDF? I've had a quick look in the...
View ArticleProblem with embedding an OpenType CFF font
I'm trying to embed an OpenType CFF font into a simple PDF file and can't get it to work. I'm hoping that someone here could spot my error or give me someplace to go for a better example/help.<br...
View Articlexref with object number greater than trailer's size value
Hello, a client sent to us a PDF with a strange xref table. Here is what it looks like: xref0 55%% standart xref entries200001 50000052507 00000 n 0000052793 00000 n 0000053079 00000 n 0000053365...
View ArticleObject stream and Cross reference stream
Hi, I am creating a simple pdf which just displays letter 'A'. I created width array of Font object, as compressed object inside object stream.I am also creating cross ref. stream which has 30 objects....
View ArticleInvalid 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...
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can I generate a swf from PDF?
hello everybody, how I can generate a swf from PDF -> text and images, Example I have these files:mytext.txt and some pics image1.jpg image2.jpgThis files, was parsing from a pdf file, and I need to...
View ArticleI/O Error when trying to open pdf file
I keep getting an error when I am trying to open pdf files from the internet or emails that are sent with pdf files. I am not able to view any of these pdf's - just the i/o error I receive. Anyone have...
View ArticleMake a circle in PDF language
Hi, I see that PDF has the Postscript curveto operator but not the arc operator. It may be obvious to everyone but me, but how do you set the intermediate points in the PDF c command so that it comes...
View Articleembed pcl or postscript commands in pdf
Hello! I am currently facing the problem, that I want to specify the paper-source tray for the pages of a pdf, that is sent directly to the printer. I know that there is no way to do this directly in...
View Articleremoving hypertext links from text
Does anyone have experience removing hypertext links from PDF docs?Using MS Word 2003, I have a doc. containing URLs and I am generating a PDF and trying to remove the hypertext link from the URL. In...
View ArticleDigital signature Filter / SubFilter
Hi, i have a question regarding the use of digital signatures.As a filter value i am usingPDF32000.bookAdobe.PPKLite but i am not quite sure about the SubFilter. As i understand there are three...
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 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 ArticleXObject - How to use File specification dictionary
Hi all,b Here it is a complete PDF file with just a small picture in the page and it works well (windows XP Professionel SP 2 and Mac 10.3.9)%PDF-1.71 0 obj [/PDF] endobj4 0 obj << /Length...
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...
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Pdf text extract problem with CID font and Identity-H
Hi all, Iam facing some big problem with text extraction from pdf file.Currently iam using congviews pdf2xl text extraction tool.About 95% of the text extract correcly but few charaters showing box...
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 ArticleRight to left language
Hi,Is there any support for right to left language in PDF?After reading the PDF spec, I found not too much about right to left language support. And I guess PDF file only cares where to posit each...
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 /...
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