Re: NSBitmapImageRep and colour spaces
Re: NSBitmapImageRep and colour spaces
- Subject: Re: NSBitmapImageRep and colour spaces
- From: "Ture Pålsson" <email@hidden>
- Date: Sat, 15 Dec 2007 10:48:25 +0100
On Dec 15, 2007 12:17 AM, Nick Zitzmann <email@hidden> wrote:
>
> On Dec 14, 2007, at 3:25 PM, Ture Pålsson wrote:
>
> > I am having problems understanding how NSBitmapImageReps and different
> > colour spaces interact. In particular, what is the difference between
> > passing, say, NSCalibratedRGBColorSpace and NSDeviceRGBColorSpace as
> > the colorSpaceName: parameter to [NSBitmapImageRep
> > initWithBitmapDataPlanes: ...] ?
>
>
> Calibrated color spaces use ColorSync to calibrate the colors; device
> color spaces don't. Generally, you should only use calibrated color
> spaces if color preservation across devices is important.
Yes, that much is pretty obvious, but how?
If I pass NSCalibratedRGBColorSpace, _which_ calibrated colour space
is assumed? sRGB? Adobe RGB? SomeFancyAppleRGB? And how does this
interact with the NSImageColorSyncProfileData property?
-- T
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