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handdrawer.py
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handdrawer.py
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from pymt import *
from movidimagestream import *
class HandDrawer(MTWidget):
def init(self):
self.palm = None
self.fingers = None
self.knuckles = None
self.touchfields = None
def on_update(self):
self.palm = self.fingers = self.knuckles = self.touchfields = None
for touch in getCurrentTouches():
if 'container' in touch.profile:
self.palm = Vector(*touch.pos)
self.fingers = [Vector(*touch.pos) for touch in touch.elements]
# Hand found, break, don't return
break
else:
# Executed if we didn't break out of the loop, i.e. no hand found.
return
self.fingers.sort()
self.knuckles = [(f - self.palm) / 2 + self.palm for f in self.fingers]
self.touchfields = []
for f, k in zip(self.fingers, self.knuckles):
self.touchfields.append([k + o * ((f - k) / 2) for o in range(1, 4)])
def draw(self):
if not (self.palm and self.fingers):
return
for finger in self.fingers:
set_color(1, 0, 0)
drawLine((finger.x, finger.y, self.palm.x, self.palm.y))
set_color(0, 1, 0)
drawCircle((finger.x, finger.y), 8)
for knuckle in self.knuckles:
set_color(1, 1, 0)
drawCircle((knuckle.x, knuckle.y), 6)
for touchfields in self.touchfields:
set_color(0, 1, 1)
for touchfield in touchfields:
drawCircle((touchfield.x, touchfield.y), 12)
for level in zip(*self.touchfields):
drawLine(level)
set_color(0, 0, 1)
drawRectangle((self.palm.x, self.palm.y), (5, 5))
if __name__ == '__main__':
observed = ['cam', 'thresh', 'smooth', 'fingertips']
w = getWindow()
for index, module in enumerate(observed):
client = MJpegClient(objectname=module)
client.start()
widget = MTMJpegClient(client)
def reposition(widget, index, *args):
widget.y = w.height - widget.height
widget.x = index * widget.width
widget.connect('on_update', curry(reposition, widget, index))
w.add_widget(widget)
w.add_widget(HandDrawer())
runTouchApp()