try convert -negate filename.gif negated_filename.gif (that's imageMagick's 'convert'). This gives some really striking color combinations and it's easy to script.
-----Opprinnelig melding----- Fra: Linux on 390 Port [mailto:[email protected]] På vegne av Pavelka, Tomas Sendt: 4. september 2013 14:41 Til: [email protected] Emne: Re: Virtualization Cookbook - first draft hopefully soon? > Does anyone know a freeware graphics tool that could somehow > reverse-video, or just brighten these graphics? They are all GIFs > (pronounced JIFs :)) How about ImageMagick? http://www.imagemagick.org/Usage/color_basics/#replace RPMs exist for s390x, at least for RHEL they are part of the distro. ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/ ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/
