D11849: [kdecoration] properly compare opacity values

[David Edmundson]

davidedmundson requested changes to this revision.
davidedmundson added a comment.
This revision now requires changes to proceed.


  Whilst qFuzzyCompare is indeed needed for comparing a calculation with a value, it's not relevant in all cases, like this.
  
  We want setOpacity(actually zero)   to update m_opacity over   setOpacity(something near zero)  as it hypothetically changes QPainter paths which check for actual zero.

REPOSITORY
  R31 Breeze

REVISION DETAIL
  https://phabricator.kde.org/D11849

To: zzag, #breeze, davidedmundson
Cc: davidedmundson, broulik, plasma-devel, ragreen, Pitel, ZrenBot, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart
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