On Thu, Apr 24, 2008 at 2:54 PM, Michael Wagner <[EMAIL PROTECTED]> wrote: > 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.
If you really need to extract the shape from a bitmap, a quick way to pull it off is to use an alpha blend mode. You can even convert the luminosity into opacity using a simple color matrix filter. Here's a short example that might help you to do that if you really want to go that way: http://rojored.com/code/alpha-blend-mode/AlphaBlendMode.swf Here's the code for it: http://rojored.com/code/alpha-blend-mode/ Cheers, -- gabriel montagné láscaris comneno http://rojored.com t/506.8392.2040

