Confused with Threshold...

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hi all,

 

 

i want make effetcs video capturing bitmap. capturing video bitmap , displaying completed. problem threshold property of bitmapdata class.

 

i confused threshold. concept behind thershold? read in adobe site itself. didn't understand. , want know how working on bitmapdata. how can make effects bitmap using threshold?

 

 

please me sort out this...

 

thanks in advance

the basic idea replace colors in bitmap color.  colors replaced satisfy "condition" related threshold , mask.



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