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main.py
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main.py
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import mediapipe as mp
mp_face_mesh = mp.solutions.face_mesh
import cv2
import numpy as np
import time
#contants
ml = 150
max_x, max_y = 250+ml, 50
curr_tool = "select tool"
time_init = True
rad = 40
var_inits = False
thick = 4
prevx, prevy = 0,0
#get tools function
def getTool(x):
if x < 50 + ml:
return "line"
elif x<100 + ml:
return "rectangle"
elif x < 150 + ml:
return"draw"
elif x<200 + ml:
return "circle"
else:
return "erase"
def index_raised(yi, y9):
if (y9 - yi) > 40:
return True
return False
hands = mp.solutions.hands
hand_landmark = hands.Hands(min_detection_confidence=0.6, min_tracking_confidence=0.6, max_num_hands=1)
draw = mp.solutions.drawing_utils
# drawing tools
tools = cv2.imread("tools.png")
tools = tools.astype('uint8')
mask = np.ones((480, 640))*255
mask = mask.astype('uint8')
'''
tools = np.zeros((max_y+5, max_x+5, 3), dtype="uint8")
cv2.rectangle(tools, (0,0), (max_x, max_y), (0,0,255), 2)
cv2.line(tools, (50,0), (50,50), (0,0,255), 2)
cv2.line(tools, (100,0), (100,50), (0,0,255), 2)
cv2.line(tools, (150,0), (150,50), (0,0,255), 2)
cv2.line(tools, (200,0), (200,50), (0,0,255), 2)
'''
cap = cv2.VideoCapture(0)
while True:
_, frm = cap.read()
frm = cv2.flip(frm, 1)
rgb = cv2.cvtColor(frm, cv2.COLOR_BGR2RGB)
op = hand_landmark.process(rgb)
if op.multi_hand_landmarks:
for i in op.multi_hand_landmarks:
draw.draw_landmarks(frm, i, hands.HAND_CONNECTIONS)
x, y = int(i.landmark[8].x*640), int(i.landmark[8].y*480)
if x < max_x and y < max_y and x > ml:
if time_init:
ctime = time.time()
time_init = False
ptime = time.time()
cv2.circle(frm, (x, y), rad, (0,255,255), 2)
rad -= 1
if (ptime - ctime) > 0.8:
curr_tool = getTool(x)
print("your current tool set to : ", curr_tool)
time_init = True
rad = 40
else:
time_init = True
rad = 40
if curr_tool == "draw":
xi, yi = int(i.landmark[12].x*640), int(i.landmark[12].y*480)
y9 = int(i.landmark[9].y*480)
if index_raised(yi, y9):
cv2.line(mask, (prevx, prevy), (x, y), 0, thick)
prevx, prevy = x, y
else:
prevx = x
prevy = y
elif curr_tool == "line":
xi, yi = int(i.landmark[12].x*640), int(i.landmark[12].y*480)
y9 = int(i.landmark[9].y*480)
if index_raised(yi, y9):
if not(var_inits):
xii, yii = x, y
var_inits = True
cv2.line(frm, (xii, yii), (x, y), (50,152,255), thick)
else:
if var_inits:
cv2.line(mask, (xii, yii), (x, y), 0, thick)
var_inits = False
elif curr_tool == "rectangle":
xi, yi = int(i.landmark[12].x*640), int(i.landmark[12].y*480)
y9 = int(i.landmark[9].y*480)
if index_raised(yi, y9):
if not(var_inits):
xii, yii = x, y
var_inits = True
cv2.rectangle(frm, (xii, yii), (x, y), (0,255,255), thick)
else:
if var_inits:
cv2.rectangle(mask, (xii, yii), (x, y), 0, thick)
var_inits = False
elif curr_tool == "circle":
xi, yi = int(i.landmark[12].x*640), int(i.landmark[12].y*480)
y9 = int(i.landmark[9].y*480)
if index_raised(yi, y9):
if not(var_inits):
xii, yii = x, y
var_inits = True
cv2.circle(frm, (xii, yii), int(((xii-x)**2 + (yii-y)**2)**0.5), (255,255,0), thick)
else:
if var_inits:
cv2.circle(mask, (xii, yii), int(((xii-x)**2 + (yii-y)**2)**0.5), (0,255,0), thick)
var_inits = False
elif curr_tool == "erase":
xi, yi = int(i.landmark[12].x*640), int(i.landmark[12].y*480)
y9 = int(i.landmark[9].y*480)
if index_raised(yi, y9):
cv2.circle(frm, (x, y), 30, (0,0,0), -1)
cv2.circle(mask, (x, y), 30, 255, -1)
op = cv2.bitwise_and(frm, frm, mask=mask)
frm[:, :, 1] = op[:, :, 1]
frm[:, :, 2] = op[:, :, 2]
frm[:max_y, ml:max_x] = cv2.addWeighted(tools, 0.7, frm[:max_y, ml:max_x], 0.3, 0)
cv2.putText(frm, curr_tool, (270+ml,30), cv2.FONT_HERSHEY_SIMPLEX, 1, (0,0,255), 2)
cv2.imshow("paint app", frm)
if cv2.waitKey(1) == 27:
cv2.destroyAllWindows()
cap.release()
break