Blog

  • 2014-10-28 - stm32

    Those are my notes about using the Embedded Pi board with an open source toolchain. Some apply to STM32 in general. The Embedded Pi board has a STM32 microcontroller with Arduino-compatible headers.

    <rant> It was obviously designed by people who don't know the open source toolchain for that chip. If …


  • 2009-06-18 - mypaint

    Okay, this is so that everyone can just stop asking why MyPaint, etc.

    Around 2004 I bought myself a wacom tablet, having checked that it should work with GIMP on Linux. It did work. With minor bugs and glitches. For example, GIMP would sometimes drop a stroke when scribbling too …


  • 2008-11-21 - mypaint, fixed-point

    GEGL (the upcoming GIMP backend) uses linear-light floating point as the main pixel format. Krita allows several colorspaces and color management through LittleCMS. What about MyPaint? Version 0.5 uses 8bit sRGB without any alpha channel. Time for a change.

    I have settled now with a 16bit integer for each …