March 2023

Using media keys in a Linux console application

Mapping keyboard keys to key codes on Linux is well-documented for the graphical desktop. But what about console applications on embedded Linux systems? There's not much documentation in this area.

Categories: Linux, C, embedded computing

Yet another Darktable/Lightroom comparison

Darktable isn't supposed to be an alternative to Adobe Lightroom, but many people hope to use it as one. After all, Darktable's (free) pricing is very appealing. Here are my views on whether a move to Darktable makes sense.

Categories: general computing, Linux

What exactly is 'saturation'?

Most image editing applications provide a 'saturation' adjustment; some provide adjustments of 'brilliance', 'chroma', and other things. This article explains what these terms actually mean.

Categories: general computing