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Thread: CSS animations rely on unspecified behavior

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    Success! Looks like we've fixed this one. According to our records the fix was applied for ANIM-472 in a recent build.
  1. #1
    Ext User
    Join Date
    Oct 2010
    Vote Rating

    Default CSS animations rely on unspecified behavior

    Some of the Sencha Animator demos look wrong in recent WebKit nightly builds. For example, in, the pages look semi-transparent during the entire page turn animation.

    I think the animations are relying on behavior that was changed as a result of fixing this bug:

    I see animations with opacity: 0 for only the first few keyframes (say 0% and 10%) ,and none of the later ones. What WebKit used to do is animate opacity from 0 to 1 from the 10% to the next keyframe. After that bug was fixed, opacity now animates from 0 at 10% to 1 at the 100% keyframe.

    To work around this behavior change, you should supply a value for opacity in every keyframe.

  2. #2
    Sencha User
    Join Date
    Mar 2010
    Bay Area
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    Default That's a bug in Animator

    smfr, this is actually a bug in Animator that we just found, it's adding an extra opacity setting that's being ignored by Safari but webkit/chrome is trying to accomodate it.

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