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Diffstat (limited to 'examples/logarithmic')
| -rw-r--r-- | examples/logarithmic | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/examples/logarithmic b/examples/logarithmic index 731b27d..62271d9 100644 --- a/examples/logarithmic +++ b/examples/logarithmic @@ -20,14 +20,22 @@ import math 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)) +# to the red (first argument) and green (second +# argument) colour curves. `...` is used to use the +# same value as the argument before it. `None`, +# which is used for the blue colour curve, means +# that no adjustment is made, which is the same +# thing as using `lambda x : x`. +manipulate(lambda x : math.log(x + 1, 2), ..., None) # Switch back to sRGB. standardise() +# Alternatively you can use `cie_manipulate` instead +# of `manipulate`. To to the logaritmisation in the +# CIE xyY colour space. If doing so, do not use +# `linearise`–`standardise`. + # Apply settings, using vidmode. (drm if ttymode else vidmode)() #(drm if ttymode else randr)() |