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Old 06-14-2017, 10:38 PM   #7
GeoffR
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Posts: 3,821
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Join Date: Nov 2012
Location: Te Riu-a-Māui
Device: Kobo Glo
Quote:
Originally Posted by barryem View Post
GoeffR I did try your suggestion and it did work. I can now control line spacing and font weight on a book I wasn't previously able to control. The problem is that the minimum line spacing this way is only slightly closer than what I had before. On other books when line spacing worked I was able to get lines closer than this.
Each font has a certain amount of spacing built in to the font itself, so some will have narrower spacing than others even when the device's adjustment slider is at the same position.

There are a number of ways to reduce the minimum line spacing: choose a different font with narrower built-in spacing; edit the font to change its built-in spacing; patch the firmware to allow narrower settings on the adjustment slider; edit the book's stylesheet to set a fixed spacing.

If you have a favourite sideloaded font that you use for reading then the best way is probably to edit that font to reduce its spacing. Fontforge is a free program that can do do that (Font Info > OS/2 > Metrics), although it can take some time to learn how it works. If the font in question is freely available then someone on this forum might be able to create a modified version for you. There are also websites that will modify a font that you upload to them.

Whichever method you use, the KePub reader has a limit on how narrow you can make the line spacing, too narrow and it will start to have problems where part of the text gets clipped at the top or bottom of the page. But the ePub reader works fine with any line spacing.
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