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Avoding any international characters, both when registering addresses and when inputting them in forms ends up being the path towards hopefully being able to spend money with credi…

In the UK, there is plenty of computer systems that refuse to acknowledge that people or places can have non-ascii chars in their name, and ask you to correct them.. or even refuse…

Some years back I built a family of fonts around the idea of anti-aliased raster fonts realized as regular truetype outlines - http://pippin.gimp.org/0xA000/ - in which some varian…

A box filter for scaling down cubic and linear is much better than using impulse filters with the interpolated values at the floating point coordinates in question. If someone want…

The L component of CIE Lab is not linear, it has a similar non-linearity to sRGB due to one of the aims of the design of the CIE Lab space is to be perceptually uniform.

It already does, in git master GEGL/GIMP does averaging of pixels contributing in the area when scaling down. The previous development releases in the 2.9 series would only do prop…

The development version of GIMP (the 2.9 series) - which will be come 2.10 uses GEGL which always does scaling with linear light encoding; as well as premultiplied alpha, regardles…

Synfig focuses on more cartoon based vector animation. What GEGL provides good foundations for doing is video editing/compositing with keyframed properties for filters. As mentione…

This relearning problem goes both ways. People trained on GIMP tend to find Photoshop annoying and difficult to use - because they have to relearn. People accept spending extra tim…

The work you might have heard about GEGL - is all about providing foundations for such non-destructive editing. The highlighted split-view / curtain preview in the blog post is imp…

GIMP's new (though not actually young) engine - GEGL, contains ffmpeg frame sources and sinks, provides a good abstraction for creating interfaces better than GAP for animation or …

Blender's node system can do compositing and basic video editing. Another free software graph based/dataflow system that can be used as a basis for such video editing and fx is GIM…