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LeapParse.py
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LeapParse.py
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from Drawer import DrawObj
from imgurUploader import uploadImage
import os, sys, inspect, thread, time
src_dir = os.path.dirname(inspect.getfile(inspect.currentframe()))
arch_dir = '../LeapDeveloperKit_3.2.0+45899_win/LeapSDK/lib/x64' if sys.maxsize > 2**32 else '../LeapDeveloperKit_3.2.0+45899_win/LeapSDK/lib/x86'
sys.path.insert(0, os.path.abspath(os.path.join(src_dir, arch_dir)))
sys.path.append('../LeapDeveloperKit_3.2.0+45899_win/LeapSDK/lib')
import Leap
import pygame
import pyimgur
import requests
from Leap import CircleGesture, KeyTapGesture, ScreenTapGesture, SwipeGesture
def is_horizontal(direction):
return abs(direction[0]) > abs(direction[1])
def is_notplane(direction):
return (abs(direction[2]) > abs(direction[0])) & (abs(direction[2]) > abs(direction[1]))
def get_direction(swipe):
"""
Returns true if the swipe is horizontal.
"""
swipe = Leap.SwipeGesture(swipe)
return swipe.direction
def swipe_helper(gestures):
"""
A helper function.
Determines whether or not the gesture was a horizontal swipe.
"""
horizontal = False
is_left = False
is_swipe = False
is_up = False
is_forward = False
nonplanar = False
if len(gestures) > 2:
for gesture in gestures:
is_swipe = gesture.type is Leap.Gesture.TYPE_SWIPE
if is_swipe:
directions = get_direction(gesture)
horizontal = is_horizontal(directions)
nonplanar = is_notplane(directions)
is_left = directions[0] < 0
is_up = directions[1] > 0.6
is_forward = directions[2] < 0
#Regarding Swipe event, fix only a certain flatness of horizontal
#swipes to be the correct swipe.
return (horizontal, is_left, is_up, is_swipe, nonplanar, is_forward)
return (horizontal, is_left, is_up, is_swipe, nonplanar, is_forward)
class LeapListener(Leap.Listener):
"""
Basic listener for Leap Motion interface.
Implemented motions are swipes for the left hand and drawing
for the right index finger.
"""
#Global Constants.
finger_names = ['Thumb', 'Index', 'Middle', 'Ring', 'Pinky']
bone_names = ['Metacarpal', 'Proximal', 'Intermediate', 'Distal']
drawer = DrawObj("./image.jpg")
draw = False
past_up = False
is_forward = False
nonplanar = False
is_swipe = False
is_up = False
is_left = False
horizontal = False
radius = 10
x = 0
y = 0
def on_init(self, controller):
print "Initialized"
def on_connect(self, controller):
controller.enable_gesture(Leap.Gesture.TYPE_SWIPE)
def on_disconnect(self, controller):
# Note: not dispatched when running in a debugger.
print "Disconnected"
def on_exit(self, controller):
print "Exited"
def on_frame(self, controller):
# Get the most recent frame and report some basic information
frame = controller.frame()
for hand in frame.hands:
#Draw commands for the right hand.
if not hand.is_left:
for finger in hand.fingers:
if finger.type == 1:
#Position is here.
#Used for DRAWING.
pos = finger.stabilized_tip_position
self.x = int((pos[0] + 200) * 2.5)
self.y = int((pos[2] + 200) * 2.5)
if self.x < 50:
if self.y < 50:
self.radius = 5
elif self.y < 100:
self.radius = 10
elif self.y < 150:
self.radius = 15
if self.drawer.isDrawing:
if self.draw:
if hand.pinch_strength == 0:
self.drawer.erase(int((pos[0] + 200) * 2.5), int((pos[2] + 200) * 2.5), self.radius)
else:
self.drawer.draw(int((pos[0] + 200) * 2.5), int((pos[2] + 200) * 2.5), self.radius)
else:
self.drawer._lastX = None
self.drawer._lastY = None
#Swipe commands for the left hand.
if hand.is_left:
flags = swipe_helper(frame.gestures())
self.is_forward = flags[5]
self.nonplanar = flags[4]
self.is_swipe = flags[3]
self.past_up = self.is_up
self.is_up = flags[2]
self.is_left = flags[1]
self.horizontal = flags[0]
self.draw = hand.grab_strength == 1
if self.is_swipe:
if self.nonplanar:
if self.is_forward:
if self.drawer.isDrawing:
print "Swipe Forward Clear"
self.drawer.clear()
elif self.horizontal & self.drawer.isDrawing:
if self.is_left:
print "Send Facebook Left"
else:
print "Send Twitter Right"
self.drawer.end()
uploadImage("./output.png", self.is_left)
else:
if self.is_up:
if not self.drawer.isDrawing:
print "Start Draw"
self.drawer.start()
else:
if not self.past_up:
self.drawer.undo()
def main():
# Create a sample listener and controller
listener = LeapListener()
controller = Leap.Controller()
# Have the sample listener receive events from the controller
controller.add_listener(listener)
# Keep this process running until Enter is pressed
print "Press Enter to quit..."
RED = 255, 0, 0
WHITE = 255, 255, 255
pygame.init()
screen = pygame.display.set_mode((1000, 1000))
pygame.display.set_caption("Moving Box")
clock = pygame.time.Clock()
while 1:
clock.tick(50)
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
screen.fill(WHITE)
if(listener.drawer._image != None):
mode = listener.drawer._image.mode
size = listener.drawer._image.size
data = listener.drawer._image.tobytes()
py_image = pygame.image.fromstring(data, size, mode)
screen.blit(py_image, (10, 10))
pygame.draw.circle(screen, RED, (listener.x-5, listener.y-5), listener.radius)
pygame.draw.rect(screen, RED, (0, 0, 50, 50), 5)
pygame.draw.rect(screen, RED, (0, 50, 50, 50), 5)
pygame.draw.rect(screen, RED, (0, 100, 50, 50), 5)
pygame.display.flip()
try:
sys.stdin.readline()
except KeyboardInterrupt:
pass
finally:
# Remove the sample listener when done
controller.remove_listener(listener)
# Send image to server
if __name__ == "__main__":
main()