At first, plans for Gtk+ 3 were considered unnecessary – the developers themselves considered the 2.x version mature enough – now, some developers are toying with the idea of developing Gtk+ 3. Gnome founder Miguel de Icaza comments on and criticizes the developments in his blog.

Version 2.6 of Gimp uses the Gegl library, which can display up to 32 bit color depth.

A tutorial on the Gimpusers.com community website gives visitors the lowdown on next generation Gimp features.

GIMP is great for fixing digital images. We’ll show you how to correct washed-out or under-exposed images and white balance.

Using drawing tools to manually create graphs and diagrams can be a slow and convoluted process. The Graphviz toolbox offers a faster way. Based on a short text with the information for the graph, Graphviz quickly generates a neat drawing.

GIMP is a powerful tool for improving digital photos. We’ll explain how to crop pictures, simulate depth of field, and correct perspective.

If you need to lay out a text document, you can opt for a WYSIWYG application, like OpenOffice, or a genuine layout system such as TeX. TeXmacs combines the advantages of both approaches: premium document quality and intuitive controls.

An ICC color profile ensures that an image always looks the same – regardless of the output device. The free Argyll CMS software package lets you create color profiles in Linux.

Klaus Knopper is the creator of Knoppix and co-founder of the LinuxTag expo. He currently works as a teacher, programmer, and consultant. If you have a configuration problem, or if you just want to learn more about how Linux works, send your questions to: klaus@linux-magazine. com