BalloonCanvas question

Bert Freudenberg bert at
Sun Nov 19 10:55:08 UTC 2006

On Nov 19, 2006, at 10:22 , Hilaire Fernandes wrote:

> What is the use of the ifNoTransformWithIn: method?
> When I use the BalloonCanvas within a morph drawOn:  method, the  
> ifNoTransformWithIn: is forcing the use of the super graphic  
> method, so no anti-aliasing take place.
> I am sure there are pretty good reason, but I don't get it.

An axis-aligned rectangle can be drawn much faster using BitBlt than  
using Balloon. That case is detected by the method.

- Bert -

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