Ian Wadham wrote:
> On Fri, 29 Jun 2007 01:10 pm, Matthew Woehlke wrote:
>> Ian Wadham wrote:
>>> "A set of methods used to work with
colors." 
>> Better now? 
>>
> Yes, indeed. An excellent overview.
Thanks!
> It also indicates where
> and how it differs from QPalette, which I was finding
confusing
> when reading the methods doco. BTW, as a by-product,
can
> you use some methods to compute a contrast color or a
blend-in
> color for a given color (e.g. a background for a
piece-color the
> player has chosen in a color dialog)? It looks that
way.
Yes indeed! There are a couple possibilities; in KCS there
is
shade(QColor, ShadeRole) if you want a similar color with a
different
luma (probably what you're thinking of for 'contrast
colors',
particularly since all shade roles are safe on blacks and
whites). The
more low-level goodies are in KColorUtils, particularly
mix() (which is
long overdue), overlayColors()* (if you need to use Qt's
blending
modes), tint() (for changing hue and chroma without changing
luma so
much - warning, unlike the other methods the algorithm is
not fixed),
and then shade(), darken() and lighten().
(*...but I may yet bring this up for review, since there is
a potential
that Pigment would supplant it.)
Should any of these be mentioned more prominently?
Also if you want to do something that is currently not
supported, please
tell me about it. It's really late to be making changes in
4.0 but if
you can make a case for kdelibs inclusion you have a very
good shot at
the next release.
> I am sorry if I was abrupt with you before, Matthew. I
did not
> realise you are the author of KColorScheme and a core
developer.
Hehe, I pretend to be a core developer .
Seriously, I was not
offended at all, you raised a very good point that truly
needed to be
addressed, and I thank you for that.
--
Mathew
(sorry, .sig file is on the other computer)
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