Quote:
Originally Posted by beeblebrox
The below is my FONT_RAMP file that in theory should have the smallest possible font size increase step supported by FW 5.9.2 for Bookerly font face on PW3:
7.82 8.16 8.50 8.84 9.18 9.52 9.86 10.20 10.54 10.88 11.22 11.56 11.90 12.24
It should give same sweet point between standard size 4 and size 5, possibly with higher setting in case of my FONT_RAMP.
I guess the final size depends on CSS parameters inside AZW3 file. E.g.:
.calibre {
font-size: 1.125em;
}
The CSS may be a root cause for the phenomenon that for some book the font size 4 looks good in my eyes, but the font size 5 is better for an another book. Irritably, I have some ebooks that the size 4 look to small and the size 5 to big.
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I've noticed this behavior too when fiddling around with the FONT_RAMP file. Especially in the case of the
167 ppi KT3 etc., any too precise calculation based on pure mathematics is just theory. Here's my FONT_RAMP, I've finally chosen to fit my needs best, after many tests, and for the new 14 values with fw 5.8.11 and up:
7.50 8.00 8.50 9.00 9.50 10.00 10.50 11.00 11.50 12.00 12.67 13.33 14.00 15.00
As you can see, I've just decimally rounded to full halfs and thirds (and left the senseless trailing zeros for better human readability
).
Only for the
300 ppi Devices, choosing full thirds makes really sense, as otherwise stated in this thread - here's my FONT_RAMP file for such screens too, just for info:
7.33 8.00 8.33 8.67 9.00 9.33 9.67 10.00 10.33 10.67 11.00 11.33 12.00 12.67
When adding more boldness, the "basic" font sizes in pixel increase, and then - even for my age-related visual acuity - the first 2 or 3 values with their really small letters make some sense.
