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

[Juan Vuletich]

Hi Hilaire,

clipping to damage areas is done 'automatically' by the framework, no 
need to do it yourself. Is this what you are referring to?

HTH,

On 2026-08-23 6:35 AM, Hilaire Fernandes via Cuis-dev 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
>
-- 
Juan Vuletich
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