I'm back !
XftFontOpenName calls FcNameParse, and its this function which returns
an FcPattern whose FC_WEIGHT property has type FcTypeDouble
So it's Fontconfig related.
Fontconfig ChangeLog says that FC_WEIGHT is yet of type range, but it's
returned by FcPatternGet as double ???
Nevermind, in my real program, I replaced all occurences of
"fcValue.u.i" by "(int)(fcValue.u.d)" when it's font weight related, and
it works again.
Le 11/09/2019 à 15:24, Lucien Gentis a écrit :
I found the origin of the problem.
It's in XftFontOpenName function I use to generate an XftFont
structure that contains an FcPattern.
FC_WEIGHT property of this FcPattern has type double instead of integer.
If I use:
FcPatternGet(font->pattern,FC_WEIGHT,0,&fcValue);
fcValue has type FcTypeDouble , and its value fcValue.u.d is 200,000 ,
that matches expected integer value for "bold" !
So it's not a fontconfig problem, it's an Xft one !
Thanks for reading
Lucien
Le 11/09/2019 à 01:35, Lawrence D'Oliveiro a écrit :
On Tue, 10 Sep 2019 14:36:48 +0200, Lucien Gentis wrote:
So I tried to replace "Liberation Sans:style=Bold Italic" by
"Liberation Sans:weight=bold:slant=italic" in my C program, but under
Debian 10 , I still get:
font family : Liberation Sans
font weight : 0
font slant : 100
Family and slant are OK, only weight is false.
Same program under Linux Ubuntu 18.04 gives :
font family : Liberation Sans
font weight : 200
font slant : 100
There was a version of Fontconfig that stopped recognizing “bold” as a
value for the “weight” property for a while. I run Debian Unstable, and
as I recall this did get fixed, but it looks like the previous version
was left in Stable for version 10.
As a workaround, try “weight=200” in your pattern.
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