I would recommend you file a bug. -- David Duncan
On Aug 29, 2010, at 9:38 AM, Matt Neuburg <m...@tidbits.com> wrote: > On or about 8/28/10 9:31 PM, thus spake "David Duncan" > <david.dun...@apple.com>: > >> In the case of iOS for example, caching contents to CGLayers is rarely useful >> because it is rarely useful to use a software cache – it is usually far more >> useful to use a hardware cache, which means CALayer or UIView, not CGLayer. > > I bow to all you say; still the question remains whether, taken > dispassionately and in the abstract, it might be a useful behavior if > calling CGLayerCreateWithContext() would cause the resulting CGLayer to have > the "resolution" of the context from which it is created, as advertised, so > that drawing back into the same context with e.g. CGContextDrawLayerAtPoint > would not cause the ultimate drawing to have half the "resolution" on the > iPhone 4? > > Just to repeat, the flag-drawing example on this page: > > <http://developer.apple.com/iphone/library/documentation/GraphicsImaging/Con > ceptual/drawingwithquartz2d/dq_layers/dq_layers.html> > > ...is Apple's own, and behaves undesirably when the screen is > double-resolution, visibly drawing the flag's stars in single resolution. m. > > -- > matt neuburg, phd = m...@tidbits.com, http://www.tidbits.com/matt/ > pantes anthropoi tou eidenai oregontai phusei > Among the 2007 MacTech Top 25, http://tinyurl.com/2rh4pf > AppleScript: the Definitive Guide, 2nd edition > http://www.tidbits.com/matt/default.html#applescriptthings > Take Control of Exploring & Customizing Snow Leopard > http://tinyurl.com/kufyy8 > RubyFrontier! http://www.apeth.com/RubyFrontierDocs/default.html > TidBITS, Mac news and reviews since 1990, http://www.tidbits.com > > > _______________________________________________ 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
