On Jun 27, 2010, at 1:47 PM, Ken Ferry <kenfe...@gmail.com> wrote: > I would guess (1) is more likely. Dave, if you were to read that wikipedia > article and think about it carefully, you would realize that doing full > featured transparency with font smoothing would require six channels (red, > red alpha, green, green alpha, blue, blue alpha) instead of the usual ARGB > backing stores bitmaps use. The easiest fix when applicable is to make sure > the image isn't transparent. Fill the NSImage with an opaque color before > doing the text drawing.
Be aware that this means CATextLayer will suffer the same problem. It even does if you specify a background color for the layer. If you're using Core Animation and want subpixel antialiasing, you have to do it yourself. > Uli, whenever you do "+ 0.5" or something like that, you're very likely > making an assumption that one unit the local coordinate system is one pixel, > and that the current coordinate system is aligned to pixels. I.e., latent > bug. :-) It's only a latent bug if Apple ever gets serious about resolution independence on the Mac. And Apple has shown no interest in ultra-high DPI at all. They certainly didn't make it a tentpole feature of a new product or anything like that. ;-) --Kyle Sluder (Sent from an awesome new gelato place; blame euphoria for any typos)_______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) 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: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
