Re: [paragui-users] blitting

[Alexander Pipelka]

Overlapping widgets can cause multiple blits.
I would really like to take a look into the code to see where the problem is.
ogg vorbis dependencies shouldn't be a problem.

Alex

Am Montag, 10. März 2003 15:34 schrieb Keith:
> hi, i've been working on an animation engine for some time now but have
> only started trying to tweek things recently. i'm currently haveing an
> issuse with what seems to be drawing/blitting too often. in short, i use
> eventidle to determine if it's time to draw the next frame, when it is, i
> switch the frame and call update, which calls the eventBlit. i've placed a
> time check message in the eventIdle, perfect, only off my 1 or 2 ms here
> and there. the blit is called and just as fine, 1-2 ms off, however, the
> blit gets called at least 10-20 more times which then makes the animations
> appear to fall behind audio. so i guess my question is when and why is the
> blit called so often? i thought that it's only called on the update once.
> or is there something else that calls the blit, and is there a way to stop
> that? if anyone wants, i can put the code online and you can play with it,
> but it ties in with ogg vorbis audio to compile it. i suppose i could cut
> that out and you'd just get animation, but then you probably wouldn't
> notice the problem... like happened to me, until the audio is there.
>
> --keith
>
>
>
>
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