Re: [racket-users] Something is going slightly wrong visually with the Linux version

2021-04-13 Thread Robby Findler 
Right -- looks like I was barking up the wrong herring.

Robby


On Tue, Apr 13, 2021 at 2:00 PM Bruce O'Neel 
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  > 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 
> 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 
>> 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
>>>
>>> 
>>>
>>> --
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>>> 
>>> .
>>>
>> --
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> 
> .
> 
>
>
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> .
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Re: [racket-users] Something is going slightly wrong visually with the Linux version

2021-04-13 Thread Bruce O'Neel 

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  
  
  
  



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Re: [racket-users] Something is going slightly wrong visually with the Linux version

2021-04-13 Thread Matthew Flatt 
My guess (will investigate) is that I broke things with this commit:

https://github.com/racket/draw/commit/a6558bdc18438e784c23d452ffd877dac867a7fd



At Tue, 13 Apr 2021 13:41:45 -0500, Robby Findler 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 
> 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
> >
> > [image: 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/1618339098-36f9ab5b7d7507d1da5b3d
> 5d4e45a7b0%40pckswarms.ch
> > 
>  d5d4e45a7b0%40pckswarms.ch?utm_medium=email_source=footer>
> > .
> >
> 
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> 
> 
> --
> [image/png "Screenshot 2021-04-13 at 20.35.22.png"] [~/Desktop & open] 
> [~/Temp 
> & open]
> .

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Re: [racket-users] Something is going slightly wrong visually with the Linux version

2021-04-13 Thread Bruce O'Neel 

Thanks.  Since I do this often at night I thought the same at first.  I get the 
same during daytime.  
  
The program produces #f  
  
cheers  
  
bruce  
  
  
  



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Re: [racket-users] Something is going slightly wrong visually with the Linux version

2021-04-13 Thread Robby Findler 
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 
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 
> 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
>>
>> [image: Screenshot 2021-04-13 at 20.35.22.png]
>>
>> --
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>> "Racket Users" group.
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>> 
>> .
>>
>

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Re: [racket-users] Something is going slightly wrong visually with the Linux version

2021-04-13 Thread Robby Findler 
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 
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
>
> [image: Screenshot 2021-04-13 at 20.35.22.png]
>
> --
> You received this message because you are subscribed to the Google Groups
> "Racket Users" group.
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> 
> .
>

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[racket-users] Something is going slightly wrong visually with the Linux version

2021-04-13 Thread Bruce O'Neel 

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](cid:8706604d4574c2bed15b0c3a5bad46a2b2ac4154@infomaniak 
"Screenshot 2021-04-13 at 20.35.22.png")  
  

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