make fromHSL public, add toHSL

[Matthew Woehlke]

Hans Meine wrote:
> Am Mittwoch, 13. Juni 2007 18:00:17 schrieb Matthew Woehlke:
>> If you just don't want to make these public... ok. That's fine. We
>> won't. (Or... we'll wait for pigment to go prime-time :-).) But please
>> address the above concerns which are real /now/.
>>
>> Specifically:
>>
>> - Do we want to force an unfamiliar (and in some opinions, unintuitive)
>> color model on Windows users?
> 
> IMHO it would be cool if the color dialog had HLS controls (which - as 
> everyone agreed - should be the default on Windows at least), but AFAICS that 
> does not require a *public* API in kdelibs, right?

Right. "If you just don't want to make these public... ok. That's fine." 
  :-)

(I'm thinking about making a non-installed kcolorspaces.h so that 
different places in kdeui can pull it in as needed, but that doesn't 
help khtml which needs - and currently has - HSL regardless.)

-- 
Matthew
So, an astrophysicist, a quantum physicist, and an astrologer walk into 
a bar...