On May 21, 2010, at 10:37 AM, Troy Stephens wrote: > By the way: I don't know whether CAGradientLayer disregards -setNeedsDisplay > (since the layer renders its content programmatically), possibly making this > irrelevant in practice, but in cases like this, where you provide a layer of > your own that already has content, and you don't want AppKit to ever invoke > the view's -drawRect: to draw view content into the layer, it's a good idea > to -setLayerContentsRedrawPolicy:NSViewLayerContentsRedrawNever on the view.
The CAGradientLayer (and the CAShapeLayer) both respect -setNeedsDisplay and go through the normal CG drawing path, so it would definitely be recommended to specify the never redraw policy. -- David Duncan Apple DTS Animation and Printing _______________________________________________ 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
