On 09/03/2010, at 3:53 PM, Ken Ferry wrote:

> Drawing an image while focus is locked on it should be avoided.  There are 
> probably lots of ways to get the effect your app wants (most more readable 
> than the following), but a direct way to halve the alpha channel is to draw 
> with DestinationIn mode.  


Thanks Ken, that works very nicely. Seems readable enough to me... 

--Graham


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