屏幕捕获python 3.6.6 opencv和枕头不工作
我试图做屏幕截图,它只是提供了一个黑屏 这是我的密码:屏幕捕获python 3.6.6 opencv和枕头不工作,python,python-3.x,opencv,python-imaging-library,Python,Python 3.x,Opencv,Python Imaging Library,我试图做屏幕截图,它只是提供了一个黑屏 这是我的密码: import numpy as np from PIL import ImageGrab import cv2 while(True): printscreen_pil = ImageGrab.grab(bbox=(781, 925, 814, 941)) printscreen_numpy = np.array(printscreen_pil.getdata(),dtype='uint8')\ .resha
import numpy as np
from PIL import ImageGrab
import cv2
while(True):
printscreen_pil = ImageGrab.grab(bbox=(781, 925, 814, 941))
printscreen_numpy = np.array(printscreen_pil.getdata(),dtype='uint8')\
.reshape((printscreen_pil.size[1],printscreen_pil.size[0],3))
cv2.imshow('window',printscreen_numpy)
if cv2.waitKey(25) & 0xFF == ord('q'):
cv2.destroyAllWindows()
break
请注意,bbox是(x1,y1,x2,y2),所以(781,925,814,941)是一个窄屏幕
这是我的例子:
screen_w = 1920
screen_h = 1080
while True:
rgb = ImageGrab.grab(bbox=(0, 0, screen_w, screen_h)) #x1, y1, x2, y2
rgb = np.array(rgb)
cv2.imshow('window_frame', rgb)
if cv2.waitKey(1) & 0xFF == ord('q'):
break
请注意,bbox是(x1,y1,x2,y2),所以(781,925,814,941)是一个窄屏幕
这是我的例子:
screen_w = 1920
screen_h = 1080
while True:
rgb = ImageGrab.grab(bbox=(0, 0, screen_w, screen_h)) #x1, y1, x2, y2
rgb = np.array(rgb)
cv2.imshow('window_frame', rgb)
if cv2.waitKey(1) & 0xFF == ord('q'):
break
ImageGrab.grab的通道数为4,因此“重塑((打印屏幕大小[1],打印屏幕大小[0],4])”应该有效ImageGrab.grab的通道数为4,因此“重塑((打印屏幕大小[1],打印屏幕大小[0],4])”应该有效