site_archiver@lists.apple.com Delivered-To: Cocoa-dev@lists.apple.com Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:cc:content-type; bh=+t/9DQRtCe4UWKVjLD4LPwc4FPEVwM+1HV7MKi40T8w=; b=lu6ExFllo6XD0LULqlIsutC2rjjtJjNDJR2ktZloMiMxyEEjC6OEH9ToOIZrn7+VrN aEBHh3vEVJdaL3P2G55BJ7ujuEj9tAE0pnlt7mRTzhj6WR1n6iZFAsqTtUIxNiNi0fO5 3cG9c5pQCdIkDwoyf+vftZynbcH1pUWxtuXXM= Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=sPxagAOiolEW6jU7ZvaojCQuP8Zur5AAkbIHRohsghiNak/A2TbpWbLPiKogdxFmDG +Fo17sFp/VhwywDnND8exkolr4TvdkFaPqE9Y1zOhnxYsrmGA6kFc0bxd6xSUkYPAUuO R8PVymyC8siMvbly8C/TFHJ+Lqmg6MNrq9YoM= Thanks Seth. I haven't been able to find any good docs on this stuff. Do you happen to know where I can read conceptual material about color spaces? On Mon, May 31, 2010 at 1:11 PM, Seth Willits <slists@araelium.com> wrote:

On May 31, 2010, at 4:06 AM, Simon Raisin wrote:

...

Thank you so much for the responses guys. This is the reason I was confused:

...

NSDeviceWhiteColorSpace Device-dependent color space with white and alpha components (pure white is 1.0) Available in Mac OS X v10.0 and later. I thought that NSDeviceWhiteColorSpace had BOTH a white and alpha channel.

It does. Colorspace != bitmap format.

-- Seth Willits

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