[Cuis-dev] Is optimizing needed when drawing a Form?

[Luciano Notarfrancesco]

Hilaire, I don't understand the question, but I'm interested because I use
this a lot. What can be optimized here?

On Sun, Aug 23, 2026 at 4:35 PM Hilaire Fernandes via Cuis-dev <
cuis-dev at lists.cuis.st> wrote:

> Hi,
>
> Do I need to optimize that kind method ? Or is it done by the Canvas? It
> seems so when reading the code.
>
> drawOn: canvas
>     viewport := owner viewport.
>
>     " clipped to visible area "
>     canvas image: self form at: viewport origin sourceRect: viewport.
>
>     " no clipping handling "
>     canvas image: self form at: 0 at 0
>
> Thanks
>
> Hilaire
>
> -- http://mamot.fr/@drgeo
>
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