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Old 07-02-2009, 11:08 AM   #2623
Jellby
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Quote:
Originally Posted by John F View Post
So your saying the contrast/brightness of the screen doesn't change, just that grayscale is played with to achieve an effect, for example, an image could be made "dimmer" by multplying all pixels (intensities) by 0.5?

I'm ignorant of EInk technology, so thanks for bearing with me.
As far as I know, you don't change the brightness/contrast of the eInk screen itself, which is fixed; you just change the translation of images' colours to gray levels on the screen. Basically, it's like changing brightness/contrast in Photoshop (or whatever), not in the monitor knobs.

So yes, your description is right.
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