python screen capture a window
from win32gui import FindWindow, GetWindowRect
from PIL import ImageGrab
from PIL import Image
import numpy as np
import cv2
while True:
window_handle = FindWindow(None, "MTGA")
window_rect = GetWindowRect(window_handle)
screen = np.array(ImageGrab.grab(bbox=(window_rect)))
resized = cv2.resize(screen, (1280, 720), interpolation = cv2.INTER_AREA)
im_rgb = cv2.cvtColor(resized, cv2.COLOR_BGR2RGB)
cv2.imshow('Python Window', im_rgb)
if cv2.waitKey(25) & 0xFF == ord('q'):
cv2.destroyAllWindows()
break