Secure 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 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 ArticleTTF fonts Postscript names
Hi! I got a problem in using non-embedded TTF fonts while using Zend_Pdf PDF manipulation library. E.g. if I'm using 'Arial Unicode MS' (which is supplied with Microsoft Office) I see exactly 'Arial...
View ArticleExamples of Soft Mask images
Hi, I need to implement Soft Mask image support for a PDF generator (specifically we need to be able to embed PNG images with transparency), read the relevant sections in the PDF specs (sections 8.9.5,...
View Article.ASP Files
Whenever I try to open up a PDF file for Airline Tickets or try to open up a PDF Medical Forms PDF File they come up as .ASP Files and they do not open. I am running Vista 32 BIT and have tried both...
View ArticleIs the PDF content language a part of the metadata
Is the PDF content language a part of the PDF metadata, like Title, Producer or Subject, that I can extract it with a tool like pdfmeta (xpdf), at the upload to my TYPO3 webpage?
View ArticleHow much PDF is static comparing with PostScript
PostScript is a programming language, and depending on its commands (not output) it consumes resources (Memory and CPU). For example, if we have a blank page with many if statements, PS needs to...
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 ArticleReading PDF using PHP
Is there any way to read PDFs using PHP? Would appreciate the help. Thanks,Jyotsna
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....
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PDF-Printer Settings
Hello everyone Where does Adobe store these settings exactly? They must be registered in some kind of an *.ini-File, in the system's registry or at another location.We need this information to automate...
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...
View ArticlePDF File with Run Length Encoding?
Would anyone have a PDF file containing text streams compressed in Run-Length Encoding? I need one to test a decompressor. I know they are probably rare and not used anymore which is why one is so...
View ArticleIndexed png transparency using /Mask
Hi, is it possible to use an indexed png's palette and accompanying transparency data to display a masked image? I've seen enough evidence in other opensource pdf libraries to suggest that it's...
View ArticleCMaps and ToUnicode CMaps
I'm looking through a couple documents: 5014.CIDFont_Spec.pdf and 5411.ToUnicode.pdf. My ultimate goal is basically text extraction that includes the positions of the characters.So in a CMap file the...
View ArticleProblem with Fonts (DR, DA)
My last question was regarding the usage of the DR attribute, which should be defined in the interactive form dictionary. I did that but still different readers or the acrobat seem to have problems...
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 ArticleWhat does this TJ data mean?
Hello, I am implementing a PDF parser in Objective-C (using CoreGraphics API's) that will aid in PDF search. I know that the Tj and TJ operators are used for displaying text, and that to retrieve 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<<...
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