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How do I find the position of a single character on a page?
Hi guys, I am developing a PDFEditor, but am having trouble implementing the code which finds the location of glyph characters on a page (in device space). I have read the pdf reference on Text, but do...
View ArticleHow to Manage Text In PDF
Hi everyone. I am pretty new to PDF programming world and for study PDF ,I am prefering PDF specification.I can manage Printing text on my page but when my text length goes out to the page range it get...
View Articlehaw i get the last trailer?
i start from the end of the document, then i read the startxref and locate the xref, then i parse the crossrefrence and get the trailer.i dot this operation recursively but when i finish my parse haw...
View ArticleProblems with different fonts
Hi community I want to create a PDF automatically with a Script. All works fine, the pdf is displayed correctly. The only problem is that the titles arent bold. I dont know the problem, 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 ArticlePrinting attachments
I wish to create an 'action' that will print all the attachments. For now, I'll focus on ONE attachment.I can have a "/Launch /Win" that names an external file and calls for Windows to print it. I can...
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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 ArticleSignature Dictionary 'Filter'
I have a question about the 'filter' in the signature dictionary. It is defined as (taken from PDF 1.4 due to PDF/A): Filter name (Required; inheritable) The name of the signature handler to be used...
View ArticleHow to generate PDF using fonts from Extended Font Pack?
Hello Extended Font Pack, available for download contains MyriadPro-Regular.otf font that has cyrillic glyphs. I want to generate PDF document with cyrillic unicode data that can refer to the...
View ArticleI can't seem to get smasks to work.
I have an image object listed below. It is a 3 X 3 bitmap with all pixels black except the top left is red, middle is green, and bottom right is blue. 7 0 obj<< /Type /XObject/Subtype...
View ArticleFDF no longer works in Reader 10.1.1. Worked in 9.x and previous
I have a web app that was developed many years ago to serve PDF "templates" with user data inserted into it's forms via FDF. Up until Adobe Reader 10.1.1 (currently testing with this version, possibly...
View ArticlePDF Version Specification Question...
I was using Epson Scan software with an Epson Perfection 4490 to scan documents directly to a PDF. I noticed that the PDF files that are created are the version 1.0 specification. They are actually...
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 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 ArticleSecond digital signature invalidates the first one
Hello to all, I'm having some troubles adding a second digital signature to an already digitally signed PDF. The library that I'm using in order to handle the PDFs is an open source one, so I'm...
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 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 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 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 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...
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