sudo dpkg -i draftSight.deb
Selecting previously unselected package dassault-systemes-draftsight:i386.
dpkg: regarding draftSight.deb containing dassault-systemes-draftsight:i386, pre-dependency problem:
 dassault-systemes-draftsight:i386 pre-depends on libdirectfb-extra (>= 1.2.7-2)
dpkg: error processing draftSight.deb (--install):
 pre-dependency problem - not installing dassault-systemes-draftsight:i386
Errors were encountered while processing:
 draftSight.deb
ciphered@scubaX ~/Downloads $ dpkg -l | grep libdirectfb-extra
ii  libdirectfb-extra                                 1.2.10.0-4.3ubuntu1                                 direct frame buffer graphics - extra providers