On May 11, 2016, at 1:45 PM, Carl Hoefs <newsli...@autonomy.caltech.edu> wrote: > >> On May 11, 2016, at 1:38 PM, David Duncan <david.dun...@apple.com> wrote: >> >>> On May 11, 2016, at 1:32 PM, Carl Hoefs <newsli...@autonomy.caltech.edu> >>> wrote: >>> >>> In iOS 9.3, I have a UIView that displays a graph, and the view is >>> pinchable. That works fine but I want to programmatically pinch the UIView >>> so the default display initially shows the graph a bit smaller. How can I >>> do this? Alternately, I've tried setting self.view.contentScaleFactor but >>> this property seems to have no effect. >> >> contentScaleFactor determines the pixel : point relationship when using >> -drawRect: on a view. You want to set the transform for something like this >> (note that this will affect the view’s frame as well). > > Right, I was hoping there was a way to initially programmatically pinch the > view down by 10%, so the view's frame isn't reduced as well. Then the user > can pinch it to zoom in/out as desired.
Would it help if I changed my UIView to be a UIScrollView instead? Then I could use -setZoomScale:. -Carl _______________________________________________ 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
