蟒蛇屏幕打印不捕獲所有Windows應用程序的下拉菜單

Question

我已經測試了三種不同的方法來捕獲包含下拉菜單的Windows屏幕。這兩種方法都不能捕獲下拉菜單。有誰能向我解釋這可以實現嗎？

的圖像將被捕獲：

捕獲之後將得到的圖像用於所有三種方法

然而，在例如Outlook中的下拉正確捕獲：

捕獲腳本：

import numpy as np 
from PIL import ImageGrab 
import cv2 
import os 
import time 
import datetime 
from mss.windows import MSS as mss 
import win32api 
import win32gui 
import ctypes 

user32 = ctypes.windll.user32 
dtwidth = user32.GetSystemMetrics(0) 
dtheight = user32.GetSystemMetrics(1) 

inputkey = {} 
inpkeystat = False 
mouse_state = 0 

CLK_EMPTY = 0 
CLK_OK = 1 

env = os.environ 
try: 
    usrenv = env['TEMP'] 
except: 
    usrenv = env['TMP'] 

BASEDIR = os.path.join(usrenv, './') 

def get_click(): 
    global inputkey 
    global mouse_state 
    global inpkeystat 

    (x, y) = (0, 0) 
    wintext = "" 
    retcode = CLK_EMPTY 

    if inpkeystat == False: 
     mouse_state = win32api.GetKeyState(0x01) 
     inpkeystat = True 

    mouseleft = win32api.GetKeyState(0x01) 
    if mouseleft != mouse_state: # Button state changed 
     mouse_state = mouseleft 
     if mouseleft < 0: 
      # Left Button Pressed 
      x, y = win32api.GetCursorPos() 
      hwnd = win32gui.WindowFromPoint((x, y)) 
      wintext = win32gui.GetWindowText(hwnd) 
      inpkeystat = False 
      retcode = CLK_OK 

    return retcode, wintext, (x, y) 


logfile = os.path.join(BASEDIR, "scrnprintlog.txt") 
date = datetime.datetime.now().strftime("%d-%m-%Y %I:%M%p") 
printseq = 1 

with open(logfile, "a") as myfile: 
    myfile.write("-------------------------------------------\n") 
    myfile.write(" Log screenprint test\n") 
    myfile.write(date) 
    myfile.write("\n-------------------------------------------\n") 

print "-------------------------------------------" 
print " Click mouse on screen to start capture" 
print "-------------------------------------------" 

while (True): 
    clkevent, clkwin, (clkx, clky) = get_click() 
    if clkevent == CLK_OK: break 

while(True): 
    (ax1, ay1, ax2, ay2) = (0, 0, dtwidth, dtheight) 

    time.sleep(2) 
    #method 1 
    try: 
     winImage = ImageGrab.grab((ax1, ay1, ax2, ay2)) 
     imgFile = 'scr-' + str(printseq) + '-pre-imggrab.png' 
     imgSave = os.path.join(BASEDIR, imgFile) 
     winImage.save(imgSave) 

     date = datetime.datetime.now().strftime("%d-%m-%Y %I:%M%p") 
     logstring = date + ': ' + imgFile + "\n" 
     with open(logfile, "a") as myfile: 
      myfile.write(logstring) 
    except: 
     pass 

    #method 2 
    try: 
     sct = mss() 
     imgFile = 'scr-' + str(printseq) + '-pre-shot.png' 
     imgSave = os.path.join(BASEDIR, imgFile) 
     sct.shot(mon=-1, output=imgSave) 
     date = datetime.datetime.now().strftime("%d-%m-%Y %I:%M%p") 
     logstring = date + ': ' + imgFile + "\n" 
     with open(logfile, "a") as myfile: 
      myfile.write(logstring) 
    except: 
     pass 

    #method 3 
    try: 
     printscreen_pil = ImageGrab.grab() 
     printscreen_numpy = np.array(printscreen_pil.getdata(),dtype='uint8')\ 
         .reshape((printscreen_pil.size[1],printscreen_pil.size[0],3)) 
     imgFile = 'scr-' + str(printseq) + '-pre-pil.png' 
     imgSave = os.path.join(BASEDIR, imgFile) 
     cv2.imwrite(imgSave, printscreen_numpy) 
     date = datetime.datetime.now().strftime("%d-%m-%Y %I:%M%p") 
     logstring = date + ': ' + imgFile + "\n" 
     with open(logfile, "a") as myfile: 
      myfile.write(logstring) 
    except: 
     pass 

    print "-------------------------------------------\n" 
    print "Click mouse for screen capture\n" 

    while (True): 
     clkevent, clkwin, (clkx, clky) = get_click() 
     if clkevent == CLK_OK: break 
    print "-------------------------------------------\n" 

    printseq += 1 

Answer 1

截至MSS 3.1.2，這應該是固定的。這個問題是我們如何複製屏幕內容，請參閱完整提交beb43a。該更新已經在PyPi上提供。