[PD] default colors of iemguis (was: some gui objects with grey background in help patches?)

[Simon Iten]

i think what roman is trying to say is that the color was indeed displayed
as white back in the days (in 6bit) and the two trailing zeros are there
because the value was shifted two positions to the left (<< 2 binary
operation) to align with 8bit variables more conveniently... (or maybe i
misunderstood completely)

On Tue, 29 Nov 2022, 02:56 Alexandre Torres Porres, <porres at gmail.com>
wrote:

> Em seg., 28 de nov. de 2022 às 05:05, Roman Haefeli <reduzent at gmail.com>
> escreveu:
>
>> On Mon, 2022-11-28 at 02:58 -0300, Alexandre Torres Porres wrote:
>> > For the record, I just realized default colors of iemguis is not  "pure
>> white" (...)
>> > it is "FCFCFC" (...) This is not a regression, it's the same in pd 0.48,
>> >
>> > I don't know why or where that happens in the code
>>
>> I haven't checked the code, but the old encoding allowed for only 6
>> bits per channel. Assuming the two least significant bits are set to 0,
>> FC is the highest value possible in that scheme
>>
>> 0xFC = 0b1111 1100
>>
>
> It's much simpler than that. Default color is explicitly set and defined
> as "0xFCFCFC" in g_all_guis.c, more specifically here:
>
>
> https://github.com/pure-data/pure-data/blob/06ecc41f42059bfe02081e4738ed21f6bcd0eac9/src/g_all_guis.c#L1030
>
> default "front" and "label" colors are also set there as black.
>
> [cnv] has different default colors specified in its code (0xE0E0E0 for
> background and 0x404040 for label);
>
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