import sys
from cv2 import *
import rtmidi

window_name = "Drums"
namedWindow( window_name, WINDOW_AUTOSIZE )
moveWindow( window_name, 0, 0 )

cap = VideoCapture(1)  # open the second camera
if not cap.isOpened():
	sys.exit(1)

"""
drumkit = imread("drumkit2-transparent2.png", -1)  # -1 for alpha
drumkit = flip(drumkit, 1)

midiout = rtmidi.MidiOut()
midiout.open_port(1)
on = lambda x: [0x99, x, 127]
off = lambda x: [0x89, x, 0]
snare = 40
def play(x):
	midiout.send_message(on(x))
"""


while True:
	ret, im = cap.read()
	if not ret:
		sys.exit(1)

	im = flip(im, 1)

	imgray = cvtColor(im, COLOR_BGR2GRAY)
	ret,thresh = threshold(imgray,250,255,0)
	im2, contours, hierarchy = findContours(thresh, RETR_TREE, CHAIN_APPROX_SIMPLE)

	"""
	for i in contours:
		area = contourArea(i)
		#if (100 < area && area < 1000)
		color = Scalar( rng.uniform(0, 255), rng.uniform(0,255), rng.uniform(0,255) )
		drawContours( rotated, contours, i, color, 2, 8, hierarchy, 0, Point() )
	"""

	drawContours(im, contours, -1, (255,0,0), 3)

	for i in contours:
		center, radius = minEnclosingCircle(i);
		#print(center, radius)
		circle(im, (int(center[0]), int(center[1])), int(radius), (0, 0, 255))
	#body.move(center, radius);

	#body.draw(rotated);

	#overlayImage(rotated, drumkit, vr, Point2i(-80, 100));

	imshow( window_name, im );
	waitKey(5);  # need timeout for images to be shown