> On Feb 22, 2020, at 12:30, Ken Thomases via Cocoa-dev > <cocoa-dev@lists.apple.com> wrote: > > On Feb 22, 2020, at 9:02 AM, Gabriel Zachmann via Cocoa-dev > <cocoa-dev@lists.apple.com> wrote: >> >>> >>> No, the default on recent Macs is scaled to slightly under 2x. >>> >> >> It is about ~ 1.7 . >> >> this means that every view has to be scaled by this odd factor, before >> writing its contents into the frame buffer. >> I am curious as to why that doesn't cause any aliasing artefacts, or >> anti-aliasing artefacts ... > > For Retina displays, the backing store's size is always 2x the size in points > that Cocoa reports. The backing store is then scaled to the display's > physical resolution. > > Also, even if though the default point-size-to-display-physical-pixels used > to be 2x, remember that other scaling was always supported. The fact that > the default has changed doesn't introduce a *new* problem. Apple always had > to have a solution for this.
Does it make sense that starting at 1.7 gives you a 0.3 headroom for ‘zoom’ without having to upsample? Sandor > > Regards, > Ken > > _______________________________________________ > > 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: > https://lists.apple.com/mailman/options/cocoa-dev/admin.szatmari.net%40gmail.com > > This email sent to admin.szatmari....@gmail.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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
