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09-Aug-2012 |
Chet Haase <chet@google.com> |
Fix shift/mask error in ArtbEvaluator
Shifting from the left copies the MSB along with it. This causes a problem
in ArgbEvaluator, which shifts the top byte down by 24 for the start/end
colors, and then uses those values to interpolate alpha values. The correct
appraoch (used with the other color components) is to mask by 0xff after the
shift.
Issue #6960514 External bug: ArgbEvaluator can't evaluate alpha value properly
Change-Id: I750d38ddfecc5f30d8dab7c6d27d1a7ac06361c3
/frameworks/base/core/java/android/animation/ArgbEvaluator.java
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