You need to use a transparent bitmap image as the mask (i.e. a transparent shape inside a SWF), both masker/maskee must be 'cached as bitmap'.
George Michael Wagner wrote: > > Hi: > > I would like to make a mask / effect in Flex > to get from a.bmp using b.bmp as a mask to get c.bmp > using bitmap operations probably. > > Do you know how it can be done? > > Thanks, > Michael. > >

