Edit jars on 5.6.1.0.5 (margins, font sizes) -- and non-jb fonthack

[odamizu]

I'm curious how the above default values were determined (7.13 7.81 8.49 9.17 10.53 12.56 16.98 29.2)

When I use those values in FONT_RAMP then compare them to another identical device without FONT_RAMP, the 1st and 4th values (7.13 & 9.17) don't match up.

Not that it makes a big difference in using FONT_RAMP. Just curious.

[xl743]

Originally Posted by odamizu

I'm curious how the above default values were determined (7.13 7.81 8.49 9.17 10.53 12.56 16.98 29.2)

This is the code from ReaderResources.java.src:

PHP Code:

            { "font.menu.size.list", new int[][] { new int[] { 7, 8, 9, 11, 13, 16, 25, 37 } } },
        { "font.size.mapping.indic", new float[] { 8.49f, 9.17f, 10.53f, 11.55f, 12.57f, 13.58f, 16.98f, 29.21f } },
            { "font.size.mapping.cjk", new float[] { 7.13f, 8.15f, 8.83f, 9.51f, 10.19f, 11.88f, 16.98f, 29.20f } },
            { "font.size.mapping", new float[] { 7.13f, 7.81f, 8.49f, 9.17f, 10.53f, 12.56f, 16.98f, 29.20f } }, 


[odamizu]

Originally Posted by xl743

This is the code from ReaderResources.java.src ...

Thank you!!

[xl743]

Originally Posted by odamizu

Thank you!!

You are welcome.

BTW, I've just made some quick tests with CoolReader which uses the same FreeType library for font rendering. I set CR window size to correspond one of my Kindle Oasis (1072x1448) and tried my calculated values.

With 4th font and smallest line spacing I've got the same 25 lines per screen with 9.17pt (38px) font. I've got the same 34 lines per screen with 7.13 (29px) font. I did it with all 8 sizes and they matched perfectly.

As to line spacing, I've figured it out too. Maybe someone needs it:
Smallest line spacing - 100% (in FreeType/CoolReader terms)
Medium line spacing - 120%
Biggest line spacing - 140%