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willsonlincake 发表于 2022-4-8 02:56:09

Python开发录屏软件

import time
import cv2
import mss
import numpy


with mss.mss() as sct:
    # Part of the screen to capture
    monitor = {'top': 40, 'left': 0, 'width': 800, 'height': 640}

    while 'Screen capturing':
      last_time = time.time()

      # Get raw pixels from the screen, save it to a Numpy array
      img = numpy.array(sct.grab(monitor))

      # Display the picture
      cv2.imshow('OpenCV/Numpy normal', img)

      # Display the picture in grayscale
      # cv2.imshow('OpenCV/Numpy grayscale',
      # cv2.cvtColor(img, cv2.COLOR_BGRA2GRAY))

      print('fps: {0}'.format(1 / (time.time()-last_time)))

      # Press "q" to quit
      if cv2.waitKey(25) & 0xFF == ord('q'):
            cv2.destroyAllWindows()
            break

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