Re: [Tuxpaint-devel] Locale font selection

[Mark K. K. <mar...@gm...>]

Hi Shin-ichi,

> How do I know which font is used, and how can I force "ja.ttf" to be
> used on ja_JP locale ?

If you are using SDL Pango, the font folder needs to be listed in
Fontconfig's configuration file ("fonts.conf" on Linux and macOS) for Pango
to find it.  The file is named /opt/local/etc/fonts/fonts.conf on macOS
using MacPorts.

Then the font is loaded based on the font's *face*name (not its *file*name)
passed to TuxPaint_Font_OpenFont().  The filename passed to
TuxPaint_Font_OpenFont() is not used by SDL Pango; the filename is used by
SDL_ttf only when SDL Pango is disabled.

To get the facename from a filename, use TTF_FontFaceFamilyName() that
comes with SDL_ttf (see fonts.c line ~369).  It looks like the font
facename of ja.ttf is "Sazanami Gothic".

To confirm fonts.conf is configured correctly and SDL Pango sees this font,
enable DEBUG and VERBOSE in debug.h, recompile, start Tux Paint, then look
for this line:

## src/tuxpaint.c, line 31079 in main() @ Thu Dec  8 22:06:09 2022
pango ft2 fontmap[6] = '*Sazanami Gothic*'


Mark

On Thu, Dec 8, 2022 at 8:31 PM Shin-ichi TOYAMA <dol...@wm...>
wrote:

> Hi!
>
> Inspired from recent discussion about fonts, I tried to test a modern
> font for Japanese based on the Universal Design, and noticed that the
> locale font "ja.ttf" is not used.
>
> How do I know which font is used, and how can I force "ja.ttf" to be
> used on ja_JP locale ?
>
> I feel the default Japanese fonts (both on Linux and Windows) are not
> very bad but not the best.
>
> Thanks!
>
> --
> Shin-ichi TOYAMA <dol...@wm...>
>
>
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