-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathair_canvas.py
173 lines (146 loc) · 6.67 KB
/
air_canvas.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
# All the imports go here
import cv2
import numpy as np
import mediapipe as mp
from collections import deque
# Giving different arrays to handle colour points of different colour
bpoints = [deque(maxlen=1024)]
gpoints = [deque(maxlen=1024)]
rpoints = [deque(maxlen=1024)]
ypoints = [deque(maxlen=1024)]
# These indexes will be used to mark the points in particular arrays of specific colour
blue_index = 0
green_index = 0
red_index = 0
yellow_index = 0
#The kernel to be used for dilation purpose
kernel = np.ones((5,5),np.uint8)
colors = [(255, 0, 0), (0, 255, 0), (0, 0, 255), (0, 255, 255)]
colorIndex = 0
# Here is code for Canvas setup
paintWindow = np.zeros((471,636,3)) + 255
paintWindow = cv2.rectangle(paintWindow, (40,1), (140,65), (0,0,0), 2)
paintWindow = cv2.rectangle(paintWindow, (160,1), (255,65), (255,0,0), 2)
paintWindow = cv2.rectangle(paintWindow, (275,1), (370,65), (0,255,0), 2)
paintWindow = cv2.rectangle(paintWindow, (390,1), (485,65), (0,0,255), 2)
paintWindow = cv2.rectangle(paintWindow, (505,1), (600,65), (0,255,255), 2)
cv2.putText(paintWindow, "CLEAR", (49, 33), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 0), 2, cv2.LINE_AA)
cv2.putText(paintWindow, "BLUE", (185, 33), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 0), 2, cv2.LINE_AA)
cv2.putText(paintWindow, "GREEN", (298, 33), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 0), 2, cv2.LINE_AA)
cv2.putText(paintWindow, "RED", (420, 33), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 0), 2, cv2.LINE_AA)
cv2.putText(paintWindow, "YELLOW", (520, 33), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 0), 2, cv2.LINE_AA)
cv2.namedWindow('Paint', cv2.WINDOW_AUTOSIZE)
# initialize mediapipe
mpHands = mp.solutions.hands
hands = mpHands.Hands(max_num_hands=1, min_detection_confidence=0.5)
mpDraw = mp.solutions.drawing_utils
# Initialize the webcam
cap = cv2.VideoCapture(0)
ret = True
while ret:
# Read each frame from the webcam
ret, frame = cap.read()
x, y, c = frame.shape
# Flip the frame vertically
frame = cv2.flip(frame, 1)
#hsv = cv2.cvtColor(frame, cv2.COLOR_BGR2HSV)
framergb = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
frame = cv2.rectangle(frame, (40,1), (140,65), (0,0,0), 2)
frame = cv2.rectangle(frame, (160,1), (255,65), (255,0,0), 2)
frame = cv2.rectangle(frame, (275,1), (370,65), (0,255,0), 2)
frame = cv2.rectangle(frame, (390,1), (485,65), (0,0,255), 2)
frame = cv2.rectangle(frame, (505,1), (600,65), (0,255,255), 2)
cv2.putText(frame, "CLEAR", (49, 33), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 0), 2, cv2.LINE_AA)
cv2.putText(frame, "BLUE", (185, 33), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 0), 2, cv2.LINE_AA)
cv2.putText(frame, "GREEN", (298, 33), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 0), 2, cv2.LINE_AA)
cv2.putText(frame, "RED", (420, 33), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 0), 2, cv2.LINE_AA)
cv2.putText(frame, "YELLOW", (520, 33), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 0), 2, cv2.LINE_AA)
#frame = cv2.cvtColor(hsv, cv2.COLOR_HSV2BGR)
# Get hand landmark prediction
result = hands.process(framergb)
# post process the result
if result.multi_hand_landmarks:
landmarks = []
for handslms in result.multi_hand_landmarks:
for lm in handslms.landmark:
# # print(id, lm)
# print(lm.x)
# print(lm.y)
lmx = int(lm.x * 640)
lmy = int(lm.y * 480)
landmarks.append([lmx, lmy])
# Drawing landmarks on frames
mpDraw.draw_landmarks(frame, handslms, mpHands.HAND_CONNECTIONS)
fore_finger = (landmarks[8][0],landmarks[8][1])
center = fore_finger
thumb = (landmarks[4][0],landmarks[4][1])
cv2.circle(frame, center, 3, (0,255,0),-1)
print(center[1]-thumb[1])
if (thumb[1]-center[1]<30):
bpoints.append(deque(maxlen=512))
blue_index += 1
gpoints.append(deque(maxlen=512))
green_index += 1
rpoints.append(deque(maxlen=512))
red_index += 1
ypoints.append(deque(maxlen=512))
yellow_index += 1
elif center[1] <= 65:
if 40 <= center[0] <= 140: # Clear Button
bpoints = [deque(maxlen=512)]
gpoints = [deque(maxlen=512)]
rpoints = [deque(maxlen=512)]
ypoints = [deque(maxlen=512)]
blue_index = 0
green_index = 0
red_index = 0
yellow_index = 0
paintWindow[67:,:,:] = 255
elif 160 <= center[0] <= 255:
colorIndex = 0 # Blue
elif 275 <= center[0] <= 370:
colorIndex = 1 # Green
elif 390 <= center[0] <= 485:
colorIndex = 2 # Red
elif 505 <= center[0] <= 600:
colorIndex = 3 # Yellow
else :
if colorIndex == 0:
bpoints[blue_index].appendleft(center)
elif colorIndex == 1:
gpoints[green_index].appendleft(center)
elif colorIndex == 2:
rpoints[red_index].appendleft(center)
elif colorIndex == 3:
ypoints[yellow_index].appendleft(center)
# Append the next deques when nothing is detected to avois messing up
else:
bpoints.append(deque(maxlen=512))
blue_index += 1
gpoints.append(deque(maxlen=512))
green_index += 1
rpoints.append(deque(maxlen=512))
red_index += 1
ypoints.append(deque(maxlen=512))
yellow_index += 1
# Draw lines of all the colors on the canvas and frame
points = [bpoints, gpoints, rpoints, ypoints]
# for j in range(len(points[0])):
# for k in range(1, len(points[0][j])):
# if points[0][j][k - 1] is None or points[0][j][k] is None:
# continue
# cv2.line(paintWindow, points[0][j][k - 1], points[0][j][k], colors[0], 2)
for i in range(len(points)):
for j in range(len(points[i])):
for k in range(1, len(points[i][j])):
if points[i][j][k - 1] is None or points[i][j][k] is None:
continue
cv2.line(frame, points[i][j][k - 1], points[i][j][k], colors[i], 2)
cv2.line(paintWindow, points[i][j][k - 1], points[i][j][k], colors[i], 2)
cv2.imshow("Output", frame)
cv2.imshow("Paint", paintWindow)
if cv2.waitKey(1) == ord('q'):
break
# release the webcam and destroy all active windows
cap.release()
cv2.destroyAllWindows()