cocoa - How to create a color picker wheel slider? -


does know how create following? cannot find tutorials.

i can effect without slider, not smooth. or can incorporate slider not update picker value expects cgpoints instead of ints , expects in gesture.locationinview(colorwheel) format, standard cgpoint not accept.

what trying create

you can use cocoa controller this. there of controllers similar interface.

https://www.cocoacontrols.com/controls/hsv-color-picker

hope link you.


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