Hi, [NSColor whiteColor] produced a color which using the NSCalibratedWhiteColorSpace, and “hue” component is not exists in a "white-only colorspace”. In other words, that is not an RGB color space, that color space only contains white - but hue cannot be interpreted there.
Tamas > On 01 Nov 2014, at 20:36, Torsten Curdt <[email protected]> wrote: > > I am struggling to understand why this causes an exception > > NSColor *base = [NSColor whiteColor]; > NSColor *stroke = [NSColor colorWithCalibratedHue:base.hueComponent > > saturation:base.saturationComponent > brightness:0.4 > alpha:base.alphaComponent]; > > "-hueComponent not valid for the NSColor NSCalibratedWhiteColorSpace 1 1; > need to first convert colorspace." > > While the following colors work OK > > - [NSColor colorWithRed:1.0 green:1.0 blue:1.0 alpha:1.0] > - [NSColor redColor] > > Can anyone offer some insights? > > cheers, > Torsten > _______________________________________________ > > Cocoa-dev mailing list ([email protected]) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/cocoa-dev/tamas.lov.nagy%40gmail.com > > This email sent to [email protected] _______________________________________________ Cocoa-dev mailing list ([email protected]) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [email protected]
