PDF Image

3 big changes in JPedal JBIG2 Decoder version 3

In Part 1 of a series of articles regarding the JPedal Version 5.X update we explore the big changes that this update will bring....
Sam Howard
1 min read

Understanding the PDF File Format: Filter and DecodeParms Objects…

One of the hardest things I found to get to grips with on the PDF File format was using filters and DecodeParams together. So...
Mark Stephens
1 min read

3 examples of unusual ways to use PDF Image…

Early this week, I wrote an introductory article about Masks. I would like to follow that with another article highlighting an issue which can...
Mark Stephens
57 sec read

Understanding the PDF file Format – PDF image color…

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

Understanding the PDF file format – PDF image dpi

PDF Image dpi Most elements of a PDF file are device independent Vector graphics. This means that they will always appear ‘smooth and clear’....
Mark Stephens
1 min read