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 ArticlePreflight errors for PDF/A-1a
We are encountering problems with preflight when we testing documents that use CID fonts with our conversion product . We get the following error messages:CIDSystemInfo and CMap dict not...
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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 Convert MHTML to PDF using .NET
I need to convert MHTML files to PDF in my application through code, it is a .Net application. Is there any open source library available to do this?
View ArticleXRef Stream
I've noticed that the new cross reference stream isn't as nice to me as the 1.4 version. I've deflated the stream and don't make too much sense of how to get my object file offsets. Here is my...
View ArticleSignature is not visible
Hello, I have created a PDF file with Digital Signature and Encryption. For certain permission values the signature field is not visible. The encryption i have used is AES 128 bit. Please help me in...
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 Article"To view the full contents of this document..."
Hi All, I am working on a PDF parser and while parsing PDF file I am able to parse the document catalog & cross reference table but when it comes to content I get a message "To view the full...
View ArticleValidate or Pre-Flight PDF file
Hi all,I'm a programmer with a company that is printing PDF files using HP Indigo presses, which have Harlequin rips to rasterize the PDF file. We occasionally have a file that fails to get ripped, but...
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 ArticleFind and Replace Japanese characters in pdf file on iPhone
Hi eveybody !I want to find and replace Japanese characters in pdf on iPhone.I using zlib to deflate stream - endstream block and extract text.It's work fine with latin-text.But when i work with...
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...
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Problem with transparent image
Hi everyone, I'm having problem with embedding transparent image to PDF. Thin border appears when viewing the document with Adobe Reader, Adobe Acrobat Pro and even with Foxit Reader. But there are no...
View ArticleParent/child fonts problem
Hi all I'm developing a program which has been writing out servicable PDF files for a few months, with embedded Truetype fonts; the files open without problem and display correctly. However, I am now...
View ArticleHotlinks in PDF
I'm creating a Word document with hotlinks, and I would need them to be active when I convert from Word to a PDF document. Links that are in the document will the "www" are active and will link me to...
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 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 /...
View Articlehow to insert png to pdf?
I have readed the pdf reference 1.6,i want to insert png to pdf.i konw that the png consits of alpha and RGB,31 0 obj<</BitsPerComponent 8/ColorSpace/DeviceRGB/Filter/DCTDecode/Height 154/Length...
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 ArticleIs it possible to merge two PDF pages into one page?
I have two PDF pages - one is a certificate, the other a logo - that I need to merge into a single one-page document (that is - I want the logo to superimpose over the certificate). Is this possible...
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