@stuyam I have Debian Stretch installed in my Asus T102H. With Firefox 52.5.0 (64-bit) the circle (or the other features) aren't working at all. Not even the "div alert" when the device has not support on force/touch.
With Chromium 62.0.3202.89 (64b) the circle expands but here the message appears (Your device does not support force touch or 3d touch... back to the polyfill)
Pressure is working on the device, I've tested it with evemu-record and draw things on GIMP, the event is presented in linux as ABS_PRESSURE (with evemu-record) with a range of values and it's respective X,Y values.
Basically I want to know what is expecting pressurejs from my OS/Browser to detect the pressure capability.
pressure.jsonly for tracking the pressure info, then used separate
onMousehandlers for the actual drawing. Then, I only allowed drawing for pointer events and touch events where the touch event 'type' was
stylus(or something like that -- it's an Apple-specific thing, I think?)
i needed this function to code out the pressure on screen when it is pressed on a android phone.
im using react native cli (android).
the pressure must be combined with a drawing canvas