# -*- python -*- # This example uses free function modifier and temporary # curve linearisation to make the colour curves logarithmic. # Copyright © 2014 Mattias Andrée (maandree@member.fsf.org) # # Permission is granted to copy, distribute and/or modify this document # under the terms of the GNU Free Documentation License, Version 1.3 # or any later version published by the Free Software Foundation; # with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. # You should have received a copy of the GNU General Public License # along with this software package. If not, see <http://www.gnu.org/licenses/>. import math # Use linear RGB. linearise() # Make the curves logarithmic. The function applies # to all colour curves, but you can change them # individually by specifing three functions: red, # green and blue. manipulate(lambda x : math.log(x + 1, 2)) # Switch back to sRGB. standardise() # Apply settings, using vidmode. (drm if ttymode else vidmode)() #(drm if ttymode else randr)()