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Old 11-14-2014, 11:12 AM   #389
GeoffR
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Join Date: Nov 2012
Location: Te Riu-a-Māui
Device: Kobo Glo
A contrary view:

Normally a font has grey pixels added to give the illusion of half-pixels, to make the curves smoother looking, etc. As the sharpness setting is reduced more of these grey pixels are used, and as sharpness increases fewer grey pixels are used.

The slider in the current firmware adjusts both weight and sharpness together, so as the font becomes heavier it also becomes darker, because there are fewer grey pixels used.

(In earlier firmware versions there were seperate weight and sharpness sliders, so it was possible to make the font darker without making it thicker by increasing the sharpness without increasing the weight. That is still possible in the current firmware, but it has to be done manually by editing the config file.)
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