I'm currently using xgamma :
Code: Select all
xgamma -gamma 0.8
xgamma -quiet -rgamma 0.50 -ggamma 0.50 -bgamma 0.50
And I want to change the screen contrast, to be less contrasting. But I found no clear way to do it. One thread says use 'xcalib' to change the settings, but when I install and try to run xcalib, it gave an error similar to "no protocol specified". I had to uninstall xcalib again.
I need to be able to change screen contrast, brightness and gamma. and store them in a persistent settings file applied at startup.
thanks.