[PD] From pd file color to cnv message

[João Pais]

you can also use my [jmmmp/gui-edit] abstraction, if you want.

> Thanks, Roman.
>
> For a quick solution:
> I noticed that if you click "compose color" in the "Properties" dialogue  
> for cnv, it gives the RGB values, so I can just plug those into the
> converter subpatch in cnv's help patch.
>
> -Jonathan
>
> --- On Sun, 3/14/10, Roman Haefeli <reduzierer at yahoo.de> wrote:
>
>> From: Roman Haefeli <reduzierer at yahoo.de>
>> Subject: Re: [PD] From pd file color to cnv message
>> To: "Jonathan Wilkes" <jancsika at yahoo.com>
>> Cc: pd-list at iem.at
>> Date: Sunday, March 14, 2010, 1:05 AM
>> Since 24bit integer numbers cannot be
>> fully represented with the number
>> format used in .pd files (and in any other textual
>> representation in
>> pd), color values for the iemguis are saved as 18bit
>> integer numbers,
>> where each channel occupies 6 bit. So the bit mask for
>> those values is
>> the following:
>>
>> ((rrrrrrggggggbbbbbb)*-1)-1
>>
>> whereas the 'color' message to the iemgui objects expects a
>> 8
>> bit/channel number, which has this bitmask:
>>
>> ((rrrrrrrrggggggggbbbbbbbb)*-1)-1
>>
>> So if you want to read the color values from a .pd file and
>> send them to
>> the iemguis, you need to bitshift the channel parts from
>> the 18bit
>> scheme to make it fit into the 24 bit scheme.
>>
>> Roman
>>
>>
>>
>> On Fri, 2010-03-12 at 19:50 -0800, Jonathan Wilkes wrote:
>> > Hello,
>> >      Can anyone tell me how to figure
>> out what value to send a [cnv] object
>> > to get it to display the colors shown in this
>> patch?  If I try to take one
>> > of those big negative values from the pd file I get a
>> totally different
>> > color.
>> >
>> > Thanks,
>> > Jonathan
>> >
>> >
>> >      >
>> >
>> > _______________________________________________
>> > Pd-list at iem.at
>> mailing list
>> > UNSUBSCRIBE and account-management ->  
>> http://lists.puredata.info/listinfo/pd-list
>>
>>
>>
>>
>
>
>
>
> _______________________________________________
> Pd-list at iem.at mailing list
> UNSUBSCRIBE and account-management ->  
> http://lists.puredata.info/listinfo/pd-list


-- 
Friedenstr. 58
10249 Berlin (Deutschland)
Tel +49 30 42020091 | Mob +49 162 6843570
Studio +49 30 69509190
jmmmpais at googlemail.com | skype: jmmmpjmmmp