KisPainter::bitBlt and CMYK

[Patrick Julien]

On October 24, 2003 05:03 pm, Boudewijn Rempt wrote:
> On Friday 24 October 2003 22:53, Patrick Julien wrote:
> > On October 24, 2003 04:48 pm, Patrick Julien wrote:
> > > On October 24, 2003 04:41 pm, Boudewijn Rempt wrote:
> > > > Well, I think my color strategy is pretty well done for now; the only
> > > > problem seems to be that the bitBlt methods in KisPainter blithely
> > > > assume rgba. Is this where the previously unused nativecolour methods
> > > > come into their own, or do I do a switch for image type here?
> > >
> > > Switch on Image type?!?  no, well not directly this is all detailed in
> > > previous mails here, you need to use the color strategy, the point is
> > > to use flyweight to get back a strategy by passing it the
> > > KisPaintDevice.
>
> <from abortive answer>
>
> FillRect switches; and since the rest of the infrastructure isn't there
> yet, I am not getting any further. I know you expounded about this before,
> but, sorry, I still haven't got the connection to the code itself clear.
> Maybe not enough details, or I'm not clever enough to go from hint to
> implementation.

Do you want me to do it?

>
> > You also need to add operations to the color strategy to combine colors
> > of course.
>
> Ah, okay, I was just answering your previous... I'm still not clear where
> the nativeColor methods come in, and I'm not sure whence to get the
> strategy to pass the painter. But the compose operations go into the
> strategy -- that's what I was going to suggest in aforemention abortive
> answer. That helps.
>
> I guess I can find a way to pass the strategy to the painter; I seem to
> remember KisDoc knows about it.