On 18 Aug 2013, at 20:09, Tom Davie <tom.da...@gmail.com> wrote: > > On 18 Aug 2013, at 15:03, Gerriet M. Denkmann <gerr...@mdenkmann.de> wrote: > >> I just noticed that the program I use to create Png files creates files with >> twice the number of pixels in each dimension. >> Obviously because since I last used it, I have switched to a Retina Mac Book. >> >> Ok, so I have to fix this program. > > The correct way to fix this problem is to create an image via CGContextCreate > and CGContextCreateImage. When doing this you specify pixel rather than > point dimensions, and do not have the issue you’re experiencing. You detect > a retina device by testing scaleFactor as you suggested, it’s just > unnecessary here.
I just asked Xcode about CGContextCreate and it told me that there is absolutely no information available. Could anybody help me with some link to some documentation? Kind regards, Gerriet. _______________________________________________ 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