Any suggestions on how to "onion skinning"?

[Ken Ray]

On Wed, 28 Nov 2007 20:50:11 -0200, Andre Garzia wrote:

> Ken,
> 
> Have you tried snapshoting the card, then somewhere off screen you put
> a gray image on top of the snapshot with some blend and take another
> shot. Depending on ink combinations you might have a nice result.

Good idea - I'll compare that speed-wise with other suggestions people 
have made.
 
> Another way, which I don't know how fast it is, is to read each pixel
> in the snapshot and convert it using some proportional gray value.

Yeah, that was Chipp's suggestion - which I might use too - took about 
500ms on a 400x400 image on my MacBookPro.


Ken Ray
Sons of Thunder Software, Inc.
Email: kray at sonsothunder.com
Web Site: http://www.sonsothunder.com/