>From what Mark said the preopencard is the place to do it and I have not seen >any flashing in 5.5.1
-- Tom McGrath III http://lazyriver.on-rev.com 3mcgr...@comcast.net On Jun 27, 2012, at 2:27 PM, Chris Sheffield wrote: > Tom, > > Thanks for the info. Very useful. > > I haven't actually tried any of this yet, but is there still a problem where > the screen flashes when toggling acceleratedRendering on/off in preOpenCard > and closeCard? I was seeing this a couple months back, so I'm curious if that > still exists. I haven't tried it with LC 5.5.1. It may only happen when > moving from card to card using a visual effect. > > Thanks, > Chris > > > On Jun 27, 2012, at 9:57 AM, Thomas McGrath III <mcgra...@mac.com> wrote: > >> After sitting with Mark W. for an hour over lunch yesterday I was able to >> both understand the role of acceleratedRendering and the best usage of it. >> It turns out that the order of when these commands are used is of utmost >> importance. I have been rewriting my code and have an instant increase in >> responsiveness in my scrolling groups. >> >> In a nut shell: >> 1. on preopenCard - set the acceleratedRendering of this stack to true (only >> on cards that ave scrolling or dynamic groups/objects >> 2. Immediately before moving an object turn on dynamic or when scrolling a >> group turn on scrolling >> once moving the scroll or object has already been cached and drawn so these >> are no longer necessary. No need to turn these things on and leave them on >> because they are not needed and the result is that things will actually slow >> down. >> 3. Immediately after moving or scrolling an object turn off the scrolling or >> dynamic settings >> 4. on closeCard - set the acceleratedRendering of this stack to false (turn >> it off since it is not needed) >> >> >> This simple approach seems so obvious now and has immediate results. >> >> The other thing that Ben and Mark showed me was that having large scrolling >> groups of object is much much much faster than using visual effects and >> switching cards. >> >> More as I grok this…. >> >> -- Tom McGrath III >> http://lazyriver.on-rev.com >> 3mcgr...@comcast.net >> >> >> _______________________________________________ >> use-livecode mailing list >> use-livecode@lists.runrev.com >> Please visit this url to subscribe, unsubscribe and manage your subscription >> preferences: >> http://lists.runrev.com/mailman/listinfo/use-livecode > > > _______________________________________________ > use-livecode mailing list > use-livecode@lists.runrev.com > Please visit this url to subscribe, unsubscribe and manage your subscription > preferences: > http://lists.runrev.com/mailman/listinfo/use-livecode _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode
