btw, one of the latest GMail enhancements is a Time Machine where I can see future posts - as of today I can see messages like this:
"show details 3:34 AM (-1 minutes ago)" Cheers On Thu, Feb 26, 2009 at 3:34 AM, Stoyan Damov <stoyan.da...@gmail.com> wrote: > I can't give you a solution - there's no problem. The bug was, I said > in the post link you pasted, in my code - I was not drawing what I had > to. Basically, if you follow the single rule (draw all pixels on the > invalidated rectangle) you'll be fine. > > Just sprinkle a few log statements to see what your'e supposed to draw > and where are you drawing it and you'll see your mistake. > > Cheers > > On Wed, Feb 25, 2009 at 10:45 PM, snctln <catlin.s...@gmail.com> wrote: >> >> So I am trying to do all I can to increase the FPS on one my games. >> >> When trying to draw a bitmap to the background of a canvas, and then >> call unlockAndPost() on that canvas the fps rate goes down about 30% >> So I am trying to work with the lockCanvas(dirtyRect) function, but it >> doesn't seem to behave the way I would think it should. >> >> It seems as though this function works, but it is just about useless >> because of the double buffer nature of the surfaceHolder, ie i can >> redraw an area on one buffer, but because it only invalidates one of >> the buffers some artifacts are seen when the next buffer draws. >> >> Here are the posts describing the double buffer nature of >> surfaceHolder, but they don't seem to answer my question >> - >> http://groups.google.com/group/android-developers/browse_thread/thread/d50375a97fd07b2e/8d1243c33f9b7b6e?lnk=gst&q=surfaceView#8d1243c33f9b7b6e >> - >> http://groups.google.com/group/android-developers/browse_thread/thread/a2aac88a08cb56c2/11bcf25487ee924f?lnk=gst&q=lockCanvas#11bcf25487ee924f >> >> and this posts mentions the exact same problem I am having but doesn't >> have a solution posted >> - >> http://groups.google.com/group/android-developers/browse_thread/thread/7080da8c9a2b1f72/ac41fbaadab6d3b9?lnk=gst&q=lockCanvas#ac41fbaadab6d3b9 >> >> So my question is, what am I doing wrong? Is there a reason why >> calling unlock and Post on a canvas that has a bitmap drawn on 70% of >> the background get drawn slower than a canvas that just wipes the >> screen clear with a call to drawColor(color)? What is the proper way >> to call locakCanvas(dirtyRect) so that both buffers are updated? >> >> thanks for any answers, suggestions, or pointers >> >> ---snctln >> www.snctln.com >> >> >> > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
