Around 3 o'clock on Oct 14, Zack Rusin wrote:
> From what I read in the tutorial is seems like XftListFonts with specific
> encoding would be a good bet, so I invoke it this way: font_set =
> XftListFonts (disp, DefaultScreen(disp), XFT_ENCODING, XftTypeString,
> "iso8859-1", 0); after which members nfont and sfont are respectively 1 and
> 32.
Well, you picked the right function, but it's kinda mystic inside. Let's
piece together the argument list:
XftFontSet *
XftListFonts (Display *dpy, int screen, ...)
Unlike most varargs functions, this one actually takes *two* lists of
arguments (yeah, it's probably not the best API I've designed, suggestions
are welcome). The first list of arguments create the pattern you're
interested in matching:
XftListFonts (dpy, screen,
XFT_ENCODING, XftTypeString, "iso8859-1",
After you've built the pattern to match, you need to terminate this
argument list with a 0:
0,
Now you need to tell the function what elements of the font name you're
interested in viewing -- do you want the list of families available with
this encoding? Or are you interested in the families *and* their styles.
Or are you just interested in knowing whether this encoding is supported
at all? If you want to know the families available with this encoding, you
use:
XFT_FAMILY, 0);
You can add any other elements of the font names you'd like, to get the
families, weights and slants use:
XFT_FAMILY, XFT_WEIGHT, XFT_SLANT, 0);
Xft returns a list containing all names unique in the requested
attributes; that way your application doesn't have to wade through
duplicate information to find what it is interested in.
I'm also busy eliminating the use of the 'encoding' member; the goal is to
provide a uniform ISO10646 encoding at the Xft API and perform internal
translations from the available font encodings. That's easy for TrueType/
Type1 fonts which are generally available with an encoding amenable to
Unicode transcoding.
To present a complete example, listing the available families with an
iso8859-1 encoding would be done with:
fs = XftListFonts (dpy, screen,
XFT_ENCODING, XftTypeString, "iso8859-1",
0,
XFT_FAMILY,
0);
[EMAIL PROTECTED] XFree86 Core Team SuSE, Inc.
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