[Cuis-dev] Best way to draw arcs

Mariano Montone marianomontone at gmail.com
Sat Mar 4 10:23:07 PST 2023


El 4/3/23 a las 15:15, Jon Hylands via Cuis-dev escribió:
> I did yet more testing - it turns out it is mainly the black 
> background morph. This is the drawOn: method for that Morph (which 
> inherits from PlacedMorph):
>
> drawOn: aCanvas
>   aCanvas
>     strokeWidth: 1
>     color: Color black
>     fillColor: Color black do: [:engine |
>       engine rectangleMinX: -500 maxX: 500 minY: -300 maxY: 300].
>
> I turned off the code that adds the gauge subMorphs.
>
> So yeah - opening a single morph, that draws a black rectangle 1000 x 
> 600 pixels, gives me about 2 FPS while I'm dragging it around and 
> interacting with the morph controls.
>
> Am I missing something?

Is vector graphics plugin enabled?

The value of: VectorEngineWithPlugin isPluginAvailable.

I believe ...


          Mariano



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