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

What is BMP?

What is a BMP image file? A BMP is a bitmap image file format to store monochrome and colour images. It was originally created...
1 min read

What is Heic?

  HEIC stands for “High efficiency image container” and it is a specific implementation for still images inside HEIF. It was developed by MPEG...
2 min read

OpenJDK Migration for dummies reviewed

We are big fans of the OpenJDK, so I was a really excited to see that Azul has produced a simple guide on how...
1 min read

What is CCITT compression?

CCITT compression refers to a lossless compression format used to compress 2 color images (usually black and white). It is used for TIFF compression....
1 min read

5 ways to protect PDF files from copying

Many times you want to allow your users to view the contents of a PDF file, but not to copy the content or the...
1 min read

What is tagged PDF?

What is tagged PDF? A tagged PDF is a PDF file which contains additional information to define its structure (wordflow, headers, tables, paragraphs, etc)....
1 min read