Determing the scale of a component

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the context bug i'm trying fix (#sdk-19578) if a   component/application has scalex/scaley applied it, tool tip appears   @ default scale , looks big/small.

our specific case using application.scalex / scaley in air application   make easier read vision impaired users.  

 

my first attempt addressed specific case, do

  currenttooltip.scalex = (currenttarget uicomponent).parentdocument.scalex

though commented on issue maybe .parentapplication better.  

 

corey lucier makes point can't assume scale   of 'this' component (a page in viewstack) same overall scale   of whole application - of intermediate components have a   scale applied.  

 

so...  correct approach more like: 

  scale=1

  item=parent

  while (item.parent)

    scale=scale*item.scale

    item=item.parent

  wend

  currenttooltip.scale=scale

?

tom,

 

you can concatenated transforms accessing displayobject.transform.concatenatedmatrix property. , d properties of matrix should give scale. however, if displayobject rotated, you'll have factor out. mx.geom.compoundtransform class has decomposematrix function implements logic.

 

jason



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