Support and General Use > Theming and Appearance Customization

Low ascii characters show as ????

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Yotto:
Most of the fonts profided with Rockbox have graphical lines (-, _ |, etc) in the very low "subtypeable" numbers, like 10, that I just tried to use in a WPS.

Instead of showing up as the characters in I expected, they showed up instead as question marks. Sadly, I can't view the fonts anywehre but in the WPS because I can't find a "viewer" for the fonts.  Fontforge says they're not fonts because (as I understand) they're specific to Rockbox.  However, the site I got them from (Somebody here's signature) has a chart for each font and every single one has these graphics in the display.

Anyway, long story short, is the ??? thing a limitation of the WPS display, that it cannot display these characters, or is it that the font actually doesn't have what is displayed?  In either case, how could I fix this?

And please don't suggest using bitmaps instead.  That is not an option.

Lear:
Most? I checked a bunch of the Rockbox fonts here, but could only spot 2 or 3 with any low ASCII chars at all. chicago12 included some graphical lines.

The binary .fnt files are Rockbox-specific, but the source BDF files should be possible to view in FontForge (I think). Using the text viewer in Rockbox should work too, provided you have a suitable text file.

Yotto:
Aha!  That's the site, but not the page.  The page I was using is http://rasher.dk/rockbox/fonts/jmk/ and (almost?) every single one has the same character maps.  I tried several of them but they all do the same thing.

In particular, my current font is neep-alt-12x24-L1.fnt on that page, and it does NOT display the characters on the map. I tried all 4 of the fonts under neep-alt-12x24-L*.fnt and all 4 are the same.   Characters 1-6 are ?'s, 7 is a box, 8-14 are ?'s and 15 looks like an o with 4 legs, like squashed roadkill.

BTW, sorry I misspoke on my first post, I shouldn't have said 'provided with rockbox' as they are not, they're extras.

Lear:
Had a look at the font -jmk-Neep Alt-Bold-R-Normal--15-140-75-75-C-80-ISO8859-1 (in the Latin-15 encoding) and that worked as well as could be expected. That is, a few chars wouldn't work, those matching certain important ASCII control chars, like lf (ascii 10), cr (13), and perhaps one or two more. I tested in the text viewer and in a WPS.

This on the H120 simulator, but the target should be the same.

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