Em Wed, Nov 09, 2011 at 11:40:01AM +0100, Gerd Hoffmann escreveu: > Hi, > > > What we want to have is to have a set of distinctive colors - just > > two (background, foreground) colors are not enough - we also need > > colors to highlight certain information - we need 5-6 colors for the > > output to be maximally expressive. Is there a canonical way to handle > > that while still adapting to user preferences automatically by taking > > background/foreground color scheme of the xterm into account? > > > I suspect to fix the worst of the fallout we could add some logic to > > detect low contrast combinations (too low color distance) and fall > > back to the foreground/background colors in that case. > > As far I know it is pretty much impossible to figure the > foreground/background colors of the terminal you are running on. You Glad to hear that, I thought I hadn't researched that much (I did). Hope somebody appears and tell us how it is done :-) > can try some guesswork based on $TERM (linux console usually has black > background, xterm is white by default), but there will always be cases > where it fails. > > You can run without colors. You can use bold to highlight things and > reverse for the cursor. Surely a bit limited and not as pretty as > colored, but works for sure everywhere. > > You can go for a linux-console style black background. Pretty much any > color is readable here, so you should have no problems at all to find > the 5-6 colors you want. > > You can go for a xterm-like light background, for example the lightgray > used by older perf versions. I like that background color, problem is > with most colors the contrast is pretty low. IMHO only red, blue and > violet are readable on lightgray. And black of course. > > > Plus allowing full .perfconfig configurability of all the relevant > > colors, for those with special taste. > > Sure. Maybe also allow multiple color sections and pick them by $TERM > or --colors switch, i.e. [colors "xterm"]. Its fully configurable as of now, what we need is a set of .perfconfigs that show how people think its better, we try it, set it as the default, leave the others in tools/perf/Documentation/perfconfig/color.examples. - Arnaldo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
