getdc() about opencv_tutorials HOT 3 OPEN

    def getScreen (self, account):
        #loop_time = time()
        t = threading.currentThread()
        while getattr(t, "loop", True):
            if account in procDict and procDict[account]['hwnd']:
                hwnd = procDict[account]['hwnd'][0]
                screenshot = wincap.get_screenshot(hwnd)
                if screenshot is not None:
                    cv.imshow(f'{account} screenshot', screenshot)
                    cv.waitKey(1)
            #print('FPS {}'.format(1 / (time() - loop_time)))
            #loop_time = time()
            sleep(.1)
            
    def cvLoop (self):
        global cvLoop
        while(cvLoop):
            windowVal = "Not Found"
            for account in list(procDict):
                if account in procDict and procDict[account]['dur'] and procDict[account]['proc']:
                    pid = procDict[account]['proc'].pid
                    hwnd = findWin(pid)
                    procDict[account]['hwnd'] = hwnd
                    if hwnd:
                        windowVal = hwnd
                        if not win32gui.IsWindow(hwnd[0]) or not win32gui.IsWindowVisible(hwnd[0]):
                            print('fucked up')
                            procDict[account]['hwnd'] = None
                        else:
                            if not account in threadNames():
                                t = Thread(target=self.getScreen, args=(account, ), daemon=True)
                                t.name = account
                                t.start()
                    else:
                        for killThread in threading.enumerate():
                            if killThread.name == account:
                                killThread.loop = False
                        cv.destroyWindow(f'{account} screenshot')
                for row in self.tv.treeview.get_children():
                    if self.tv.treeview.item(row,'text') == account:
                        self.tv.treeview.set(row, 'hwnd', windowVal)
            sleep(.5)

def findWin (pid):
    def callback (hwnd, hwnds):
        if win32gui.IsWindowVisible (hwnd) and win32gui.IsWindowEnabled (hwnd):
            _, found_pid = win32process.GetWindowThreadProcessId (hwnd)
            if found_pid == pid:
                hwnds.append(hwnd)
                return True

    hwnds = []
    win32gui.EnumWindows (callback, hwnds)
    return hwnds