libjpeg8 : MMX, SSE, and SSE2 SIMD accelerated JPEG library ( https://libjpeg-turbo.org/ https://sourceforge.net/projects/libjpeg-turbo/ )
libspiro : Spiro is the creation of Raph Levien. It simplifies the drawing of beautiful curves. ( https://github.com/fontforge/libspiro )
openslide : C library with simple interface to read virtual slides ( http://openslide.org/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a gentoo-zh
For Paludis use this rsync : rsync://gentoo.zugaina.org/gentoo-zh-portage
If you have a problem : ycarus(-at-)zugaina.org