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OpenType Layout in PDF
How to use the new OpenType layout features in the PDF Library and Report Generator.Read more...Tags : font, pdflibrary, reportgenerator
Using Java to Print PDF Documents
Printing PDFs is easy with the Java PDF API. In this article we go through the Java Print API at a high level, then guide you through the details in case things go wrong.Read more...Tags : pdflibrary, print
Odds and Ends: avoiding non-heap OutOfMemory
When working with Java APIs that use native code you can hit an OutOfMemory in the PermGen space due to weaknesses in Java's garbage collectors. Here's an ugly little hack that might help.Read more...Tags : java.nio, optimization, outofmemory, tips
PDF Text Extraction in Java
How to extract text from a PDF in Java? Using our API of course!Read more...Tags : pdflibrary, text extraction
Extending the PDF Viewer - Part 2
In the second part of our "extending the viewer" series, we show you how to go all the way - we create a new "Custom Stamp" feature, then show you how to compile it, bundle it with the Jar than prepare the Jar in the most efficient way for applet ...
New features in Report Generator 1.1.51
The Report Generator has got a few new tricks in release 1.1.51. Graph Library integration, Flash, PDF sets and Xinclude - read on for a summary and some examples.Read more...Tags : reportgenerator, tips
PDF/A Standard - Long Term Archiving Solutions
PDF/A is the ISO standard for the digital preservation and long term archiving of electronic documents. The ability to search documents, include digitial signatures and reduced file size is resulting in both Governments and corporations adopting the PDF/A ...
Using Acrobat JavaScript
PDF documents can contain JavaScript, which opens up all sorts of possibilities - not all of which are gaping security holes. Here's an article showing how to use it in PDF - both how to embed it from the Report Generator, and how to run it in the ...
Yet another happy BFO PDF Library customer
QNT Systemy Informatyczne is a leading manufacturer of software for government organizations in Poland. We develop software for accounting, payroll, human resources and many other fields.Read more...Tags : casestudy, news, pdflibrary, pdfviewer
Perfect PDF Digital Signatures
Not all digital signatures are created equal. Our PDF Library has been able to digitally sign documents for years, but digitally signing a file with a key that's trusted by Acrobat is a little trickier, and requires hardware. Here, we show you how to do ...
Smaller, Faster, Better - BFO Release New PDF Library
The recent PDF Library 2.11.15 has a few highlights, including better support for digital signing from hardware, generation of "Aztec Code" barcodes, basic support for Flash file embedding in PDF, and a large number of bug fixes and improvements. This ...
Odds and Ends: Creating a new X.509 Certificate
A quick tip completely unrelated to PDF or Graphs: How to create a new self-signed X.509 Certificate with Java.Read more...Tags : tips, x.509
"Emotion Timewave" Search Engine set to use BFO Graph Library
A computer scientist from Bath University is creating an Intelligent Digital-Emotion Analyser Library (iDEA) with functionality from the BFO Graph LibraryRead more...Tags : casestudy, graphlibrary, news
BFO release PDF Library and PDF Viewer update
Version 2.11.12 of the PDF Library and PDF Viewer fixes a small memory leak in the Viewer which could occur during text selection. Some new methods for working with the Adobe Highlight File Format have been included, along with a large number of minor ...
Trimming whitespace from a TIFF before saving.
Sometimes when you convert a PDF to TIFF, you're left with a lot of whitespace around the content of the page. This article shows an easy way to remove it.Read more...Tags : bitmap, crop, pdflibrary, tiff, tips
Watermarking a Report
The Report Generator is a layer on top of the PDF Library API which converts XML to PDF. The XML is much easier to work with, but there are always situations where you'll need the flexibility of the API. Here we show you how to do this, and we also ...
Combining Ant, Jar, Signatures and Pack200
If you're deploying Java code as Applets, Pack 200 compression can reduce the size of your download by 70%. This article shows how to build digitally signed Jars with Pack 200 compression using Apache Ant. It can be applied to any code, not just BFO ...
Extending the PDF Viewer - Part 1
The BFO PDF Viewer has a simple framework and API for adding new features. This article will show how to add a simple widget to the toolbar and then add more features that interact with the PDF document itself.Read more...Tags : pdflibrary, pdfviewer, ...
Public Key Encryption and PDF
Most people when they think of protecting a PDF, think of a password. However this isn't the only way to do it. Both Acrobat and our PDF viewer allow a PDF to be decrypted using a private key which is specific to a user. In this article we show you how to ...
Graphs in dynamic web pages
The traditional approach to using the BFO Graph Library in web pages has been to use the JSP tag library so that the server processes XML in JSP pages and replaces it with generated graphs. However if you want to include BFO graphs in non JSP web pages ...

Recent Responses

Re: Odds and Ends: Creating a new X.509 Certificate
In reply to a slightly grumpy anonymous message I just received stating this was "ripped straight from the source code to KeyTool from OpenJDK": As it happens I started with API docs and a decompiler for reference, although the 20 lines of code ...
Re: Odds and Ends: Creating a new X.509 Certificate
Awesome code! Thanks a lot Mike

Chris Burdess

Recent Blog Entries
1	Creating PDF/A documents with the BFO library PDF/A is a standardised subset of PDF used for long-term archive storage. The PDF/A format ensures that documents can be correctly rendered hundreds of years from now in the absence of standard frameworks we take for granted today. Read more to find out ...	20-Feb-2009