Mark Stephens

  https://www.idrsolutions.com Mark founded the company and has worked with Java and PDF since 1997. The original creator of the core code, he is also a NetBeans enthusiast who enjoys speaking at conferences and reading. He holds an Athletics Blue and an MA in Mediaeval History from St. Andrews University.

   



193 Stories by Mark Stephens

Java images – 5 tips for Java ImageIO image performance

We have been doing a lot of work recently on images in Java and will be writing a series of articles on JPEG2000 support,...
48 sec read

What are CID fonts?

Understanding CID Fonts in PDFs CID fonts play a crucial role in supporting Asian and multi-byte character sets within PDF files. This article explains...
1 min read

How is text stored in a PDF file?

Text is defined in PDF files by a Font object and a set of TJ commands. So you will see something like this in...
55 sec read

How does image color depth work in PDF files?

This article is all about color in PDF images, and exactly what the depth of an image means in practice. All PDF images will...
59 sec read

What is an Indexed Colorspace in a PDF file?

Indexed colorspaces are a very useful way of reducing the amount of memory and space needed when they only have a certain number of...
1 min read

Is JPedal free?

There was an interesting question posted on stack overflow asking ‘Is JPedal free?’ It is a intriguing question so let us unpack it and...
1 min read