[squeak-dev] The Inbox: Morphic-ct.1634.mcz

K K Subbu kksubbu.ml at gmail.com
Sat Feb 29 12:34:19 UTC 2020


On 29/02/20 5:21 PM, Thiede, Christoph wrote:
>  > is isPicking really required? Why introduce a mode?
> 
> 
> If we don't introduce a mode, the target's color will be updated about 
> 50 times per second (depending on your image's speed). This can be 
> really slow ... Using #isPicking allows deferring the color update until 
> the user really clicks at any point. Still, the currently hovered color 
> is displayed in the picker.
> 

Liveness support in Morphic is designed to handle situations like this.

ColorPickerMorph already has a step method every 50ms to handle live 
feedback. Also see

  ColorPickerMorph>>indicateColorUnderMouse

and COlorPickerMorph>>pickColorAt:

Regards .. Subbu


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