On Wed, Apr 15, 2009 at 9:55 AM, Graham Cox <graham....@bigpond.com> wrote:
> It's not illegal, though many will tell you it's not best practice To elaborate: According to the documentation (and good sense), -drawRect: should be as quick / lightweight as possible since it could be called many times in rapid succession (especially when resizing and animating). If you have many strings to draw, you might try creating them all in one go outside -drawRect: and storing them in a cache. Then -drawRect: needs only to walk the cache and draw the strings. I also like to cache string attributes (if they don't change / don't change frequently), as they're a pretty complicated structure (a dictionary containing attributes/values, and possibly an NSParagraphStyle which is even more weight). > Suggest you show the whole of drawRect:? ... as well as what you've found in the debugger (ie, the runtime error and the line that's causing the problem). -- I.S. _______________________________________________ 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
