Comment # 71 on bug 1106850 from Dr. Werner Fink

What I see that SLE-12-SP5 does not have xfig-3.2.8a ... also SLE-15 does not
have no xfig at all and no customer had ever complained.

Beside this I see the warnings:

 Warning: Missing charsets in String to FontSet conversion
 Warning: Cannot convert string "7x13bold" to type FontStruct
 Warning: Missing charsets in String to FontSet conversion
 Warning: Unable to load any usable fontset

therefore I guess that the mkfontdir hadn't been executed.

On tumbleweed it works flawless

 /suse/werner> rpmqpack | grep noto-sans-cjk-fonts
 noto-sans-cjk-fonts
 /suse/werner> xfig

works and indeed there is

 /suse/werner> rpm -qf /usr/bin/mkfontdir
 mkfontscale-1.2.1-1.6.x86_64
 /suse/werner> rpm -q xfig
 xfig-3.2.8a-2.1.x86_64
 /suse/werner> rpm -q noto-sans-cjk-fonts
 noto-sans-cjk-fonts-20201206-1.1.noarch

and the fonts are

 /suse/werner> find /usr/share/fonts -name 'fonts.dir' -o -name 'encodings.dir'
 | wc -l
 257

all accesible for xfig