[BUG - OUTSTANDING] Image transition glitch in Showcase
#16
Why is the above fix needed?

The largeimage control holds on to the previous image while the next one loads, so there should be no flashing of things underneath it at all with recent versions of XBMC.

If it is flashing, then hiding what's underneath it doesn't sound like the way to go about attempting to fix it (assuming it's not flashing for a reason).

Cheers,
Jonathan
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#17
jmarshall Wrote:Why is the above fix needed?

The largeimage control holds on to the previous image while the next one loads, so there should be no flashing of things underneath it at all with recent versions of XBMC.

If it is flashing, then hiding what's underneath it doesn't sound like the way to go about attempting to fix it (assuming it's not flashing for a reason).

Cheers,
Jonathan

what it look like is largeimage control is fading the 1st image out at the same time as fading the next one in so if you have the smallest lag you will have 1 image @ 50% fade and the next image @ say 40% equalling 90% over all so any think underneath is seen through the fading animation.
i'm just guessing but that is what it looks like...
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#18
Gotcha - the fade is indeed done so that at the midpoint, both images are approximately at an alpha of 0.7, so it is feasible that you may get leakthrough - particularly on images that are reasonably flat in colour (as busy colour is likely to mask this effect).

It's impossible to avoid leak-through in this circumstance and still achieve a smooth fade - the reason being that the only way to be technically correct is to hold the current image while blending the new one. This doesn't look too flash when the images are different dimensions, however. We thus drop back from technically correct, to one where we assume the images are slightly transparent themselves. This allows a smooth transistion function that ensures the old image is completely faded out at the point where the next one is faded in.

Cheers,
Jonathan
Always read the XBMC online-manual, FAQ and search the forum before posting.
Do not e-mail XBMC-Team members directly asking for support. Read/follow the forum rules.
For troubleshooting and bug reporting please make sure you read this first.


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[BUG - OUTSTANDING] Image transition glitch in Showcase0