Right -- looks like I was barking up the wrong herring. Robby
On Tue, Apr 13, 2021 at 2:00 PM Bruce O'Neel <bruce.on...@pckswarms.ch> wrote: > Hi, > > I think that the label foreground and background colours are ok. > > #lang racket > (require racket/gui/base) > (define bg (get-label-background-color)) > (define fg (get-label-foreground-color)) > > > Produces > > > (send bg red) > 255 > > (send bg green) > 255 > > (send bg blue) > 255 > > (send fg red) > 0 > > (send fg green) > 0 > > (send fg blue) > 0 > > > > which is bg white, fg black, right? > > cheers > > bruce > > > > > *13 April 2021 20:43 Robby Findler <ro...@cs.northwestern.edu > <ro...@cs.northwestern.edu>> wrote:* > > And I should have added that that function's result is based on a > luminance computation of this function: > > > https://docs.racket-lang.org/gui/Windowing_Functions.html?q=get-label-background#%28def._%28%28lib._mred%2Fmain..rkt%29._get-label-background-color%29%29 > > and the foreground one. So if there is some way you're controlling those > that defeats that computation, that might explain why you're getting the > bad colors. > > Robby > > > On Tue, Apr 13, 2021 at 1:41 PM Robby Findler <ro...@cs.northwestern.edu> > wrote: > >> This looks to me like racket believes the OS is in dark mode but it >> really isn't. Does this program produce true or false? >> >> #lang racket >> (require mrlib/panel-wob) >> (white-on-black-panel-scheme?) >> >> Robby >> >> >> On Tue, Apr 13, 2021 at 1:38 PM Bruce O'Neel <bruce.on...@pckswarms.ch> >> wrote: >> >>> Hi, >>> >>> The most recent snapshot version built on Linux x86-64, Arm32, and Arm64 >>> all have funny black blocks in the UI of Dr Racket. >>> >>> While this display was captured from a MacOS X11 server it is the same >>> on the Linux X11 servers as well as directly on the console screen. >>> >>> Thanks. >>> >>> bruce >>> >>> <Screenshot 2021-04-13 at 20.35.22.png> >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Racket Users" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to racket-users+unsubscr...@googlegroups.com. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/racket-users/1618339098-36f9ab5b7d7507d1da5b3d5d4e45a7b0%40pckswarms.ch >>> <https://groups.google.com/d/msgid/racket-users/1618339098-36f9ab5b7d7507d1da5b3d5d4e45a7b0%40pckswarms.ch?utm_medium=email&utm_source=footer> >>> . >>> >> -- > You received this message because you are subscribed to the Google Groups > "Racket Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to racket-users+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/racket-users/CAL3TdOMcr7TMhMr4ZkSQTuEJhf%2B7DHZOG1bcPsaxzuqGgO1%2BWg%40mail.gmail.com > <https://groups.google.com/d/msgid/racket-users/CAL3TdOMcr7TMhMr4ZkSQTuEJhf%2B7DHZOG1bcPsaxzuqGgO1%2BWg%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > <Screenshot 2021-04-13 at 20.35.22.png> > > > -- > You received this message because you are subscribed to the Google Groups > "Racket Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to racket-users+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/racket-users/1618340401-c8cecdb594e934e3b5454c7f010926db%40pckswarms.ch > <https://groups.google.com/d/msgid/racket-users/1618340401-c8cecdb594e934e3b5454c7f010926db%40pckswarms.ch?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to racket-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/racket-users/CAL3TdOMq9nZ0N%2BKCxnkdF9WvLLQzoGsTVywRUk9cfBPofLLQQA%40mail.gmail.com.
