Created
May 13, 2020 03:31
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# Done by Frannecklp | |
import cv2 | |
import numpy as np | |
import win32gui, win32ui, win32con, win32api | |
def grab_screen(region=None): | |
hwin = win32gui.GetDesktopWindow() | |
if region: | |
left,top,x2,y2 = region | |
width = x2 - left + 1 | |
height = y2 - top + 1 | |
else: | |
width = win32api.GetSystemMetrics(win32con.SM_CXVIRTUALSCREEN) | |
height = win32api.GetSystemMetrics(win32con.SM_CYVIRTUALSCREEN) | |
left = win32api.GetSystemMetrics(win32con.SM_XVIRTUALSCREEN) | |
top = win32api.GetSystemMetrics(win32con.SM_YVIRTUALSCREEN) | |
hwindc = win32gui.GetWindowDC(hwin) | |
srcdc = win32ui.CreateDCFromHandle(hwindc) | |
memdc = srcdc.CreateCompatibleDC() | |
bmp = win32ui.CreateBitmap() | |
bmp.CreateCompatibleBitmap(srcdc, width, height) | |
memdc.SelectObject(bmp) | |
memdc.BitBlt((0, 0), (width, height), srcdc, (left, top), win32con.SRCCOPY) | |
signedIntsArray = bmp.GetBitmapBits(True) | |
img = np.fromstring(signedIntsArray, dtype='uint8') | |
img.shape = (height,width,4) | |
srcdc.DeleteDC() | |
memdc.DeleteDC() | |
win32gui.ReleaseDC(hwin, hwindc) | |
win32gui.DeleteObject(bmp.GetHandle()) | |
return cv2.cvtColor(img, cv2.COLOR_BGRA2RGB) |
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Any idea what can be done to get multiple screens / a second monitor through GetDesktopWindow()?