Right -- looks like I was barking up the wrong herring. Robby
On Tue, Apr 13, 2021 at 2:00 PM Bruce O'Neel <[email protected]> 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 <[email protected] > <[email protected]>> 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 <[email protected]> > 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 <[email protected]> >> 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 [email protected]. >>> 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 [email protected]. > 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 [email protected]. > 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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/racket-users/CAL3TdOMq9nZ0N%2BKCxnkdF9WvLLQzoGsTVywRUk9cfBPofLLQQA%40mail.gmail.com.

