libgr: libgr (various graphics libraries) libgr: libgr: Shared and static graphics-related libraries and header files. libgr: libgr: Includes several graphic libraries (libpbm, libpgm, libppm, libpnm, libgr: libfbm, librle), and a collection of graphics utilities. libgr: libgr: libgr: libgr: libgr: