I’ve been trying for some time now to enable my computer’s Fn+F9/F10 brightness control. Reading this thread, I tried to set up an acpi event/action script to manually change my brightness. The scripts themselves work – I can manually call bl_down.sh and bl_up.sh in the terminal. However, for some reason the acpi events themselves aren’t triggering the scripts. I’ve included
Tag: brightness
Generate a value to reflect the average brightness of an image
I need to determine if an image is above a certain brightness. Using a scale of 0 – 255 I want to generate a value within this range to reflect the image brightness. i.e. a white image is 255 and a black image is 0. All this needs to take place via a bash script I am building up at