You might like to check out http://apptree.net/gczoomview.htm which has all the basics of zooming handled, and could be pretty easily configured to do what you want.
Regards Gideon On 17/10/2010, at 7:09 AM, [email protected] wrote: > I am using scaleUnitSquareToSize to zoom out / zoom in on a design being > created in a subclass of NSView. > > After calling: > > - (IBAction)zoom:(id)sender { > > NSSize sz = NSSizeFromString(@"{0.75,0.75}"); > [self scaleUnitSquareToSize:sz]; > [self display]; > } > > > .. the view scales and moves toward the view origin. This is expected > behavior. > > I am looking for a recommendation on how to keep the 'zoomed' contents in the > center of the view. > > Should I do a CGContextTranslateCTM before calling -display? Is this the > proper approcah? > _______________________________________________ Cocoa-dev mailing list ([email protected]) 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 [email protected]
