Hi folks,
This question has been asked before by franto (
http://chattyfig.figleaf.com/pipermail/flashcoders/2005-September/149277.html),
but it doesn't include an answer :(.
I'm facing the exact same problem;
Simply put, how to make a mask from a transparent bitmatdata..
I can see in flash it is transparent, but once I use Setmask, it only uses
the rectangular bounds of the bitmapdata.
What am I doing wrong?
here's the (short version) of the code:
var bmp=new BitmapData(_root.m._width,_root.m._height,true,0x00000000);
bmp.draw(_root.m);
_root.createEmptyMovieClip("mask",2);
_root.mask.attachBitmap(bmp,1);
_root.foto.setMask(_root.mask);
_root.m is a movieclip, within it a loadMovie'd transparent gif. The code
above is only executed after _root.m._width>0..
thanks,
Meinte
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