On mardi 11 décembre 2007, Martin Ling wrote: > Probably the quickest and dirtiest way would be to patch dispread so > that between displaying the patch and reading the colorimeter, it calls > an external script. Then use a script which just screen grabs the patch > and sends the resulting image to the display frame. Graeme, could you help me to start this way? Where to look in the source? Or you may have a better idea? -- Frédéric http://www.gbiloba.org