def grab(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 img
def screenshot(widget):
path = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'screenshot.png')
if _WIN32:
targetWindow = win32gui.FindWindow(None, APP_NAME)
left, top, right, bot = win32gui.GetClientRect(targetWindow)
w = right - left
h = bot - top
hwndDC = win32gui.GetWindowDC(targetWindow)
mfcDC = win32ui.CreateDCFromHandle(hwndDC)
saveDC = mfcDC.CreateCompatibleDC()
saveBitMap = win32ui.CreateBitmap()
saveBitMap.CreateCompatibleBitmap(mfcDC, w, h)
saveDC.SelectObject(saveBitMap)
result = windll.user32.PrintWindow(targetWindow, saveDC.GetSafeHdc(), 1)
if result != 0:
#bmpinfo = saveBitMap.GetInfo()
bmpstr = saveBitMap.GetBitmapBits(True)
img = Image.frombuffer('RGB', (w, h),
bmpstr, 'raw', 'BGRX', 0, 1)
img.save(path)
#img = img.convert("RGB")
#data = img.tobytes("raw","RGB")
#converting to QImage with altering window size causes crash / erroneous images
#qimg = QImage(data, img.size[0], img.size[1], QImage.Format_RGB888)
#qimg.save(path)
else:
print("Win32 failed, backup qt function used")
widget.screenCap = widget.screen().grabWindow(widget.long_qdesktop_id,
widget.geometry().x(), widget.geometry().y(),
widget.width(), widget.height()).save(path, 'png')
win32gui.DeleteObject(saveBitMap.GetHandle())
saveDC.DeleteDC()
mfcDC.DeleteDC()
win32gui.ReleaseDC(targetWindow, hwndDC)
else:
widget.screenCap = widget.screen().grabWindow(widget.long_qdesktop_id,
widget.geometry().x(), widget.geometry().y(),
widget.width(), widget.height()).save(path, 'png')
def get_screenshot(self):
wDC = win32gui.GetWindowDC(self.hwnd)
dcObj = win32ui.CreateDCFromHandle(wDC)
cDC = dcObj.CreateCompatibleDC()
dataBitMap = win32ui.CreateBitmap()
dataBitMap.CreateCompatibleBitmap(dcObj, self.w, self.h)
cDC.SelectObject(dataBitMap)
cDC.BitBlt((0, 0), (self.w, self.h), dcObj,
(self.cropped_x, self.cropped_y), win32con.SRCCOPY)
signedIntsArray = dataBitMap.GetBitmapBits(True)
# img = np.fromstring(signedIntsArray, dtype='uint8')
img = np.frombuffer(signedIntsArray, dtype='uint8')
img.shape = (self.h, self.w, 4)
dcObj.DeleteDC()
cDC.DeleteDC()
win32gui.ReleaseDC(self.hwnd, wDC)
win32gui.DeleteObject(dataBitMap.GetHandle())
img = img[..., :3]
img = np.ascontiguousarray(img)
return img
def window_capture(filename):
hwnd = 0 # 窗口的编号，0号表示当前活跃窗口
# 根据窗口句柄获取窗口的设备上下文DC（Divice Context）
hwndDC = win32gui.GetWindowDC(hwnd)
# 根据窗口的DC获取mfcDC
mfcDC = win32ui.CreateDCFromHandle(hwndDC)
# mfcDC创建可兼容的DC
saveDC = mfcDC.CreateCompatibleDC()
# 创建bigmap准备保存图片
saveBitMap = win32ui.CreateBitmap()
w, h = get_real_resolution() #注意这个是获取真实的屏幕分辨率
# 为bitmap开辟空间win32api.GetSystemMetrics(2880)
saveBitMap.CreateCompatibleBitmap(mfcDC, w, h)
# 高度saveDC，将截图保存到saveBitmap中
saveDC.SelectObject(saveBitMap)
# 截取从左上角（0，0）长宽为（w，h）的图片
saveDC.BitBlt((0, 0), (w, h), mfcDC, (0, 0), win32con.SRCCOPY)
saveBitMap.SaveBitmapFile(saveDC, filename)
def capture_screen(hwnd, w, h):
# https://stackoverflow.com/questions/19695214/python-screenshot-of-inactive-window-printwindow-win32gui
hwndDC = win32gui.GetWindowDC(hwnd)
mfcDC = win32ui.CreateDCFromHandle(hwndDC)
saveDC = mfcDC.CreateCompatibleDC()
saveBitMap = win32ui.CreateBitmap()
saveBitMap.CreateCompatibleBitmap(mfcDC, w, h)
saveDC.SelectObject(saveBitMap)
result = windll.user32.PrintWindow(hwnd, saveDC.GetSafeHdc(), 0)
bmpinfo = saveBitMap.GetInfo()
bmpstr = saveBitMap.GetBitmapBits(True)
im = Image.frombuffer('RGB', (bmpinfo['bmWidth'], bmpinfo['bmHeight']),
bmpstr, 'raw', 'BGRX', 0, 1)
win32gui.DeleteObject(saveBitMap.GetHandle())
saveDC.DeleteDC()
mfcDC.DeleteDC()
win32gui.ReleaseDC(hwnd, hwndDC)
if result == 1:
return im
return None
def screenshot(self, output='screen_shot.png'):
window_title = self._getWindowTitle()
width, height = constants.BASE_WIDTH, constants.BASE_HEIGHT
try:
hwin = win32gui.FindWindow('LDPlayerMainFrame', window_title)
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,
(0, self._getDnToolbarHeight()), win32con.SRCCOPY)
signedIntsArray = bmp.GetBitmapBits(True)
img = np.frombuffer(signedIntsArray, dtype='uint8')
img.shape = (height, width, 4)
srcdc.DeleteDC()
memdc.DeleteDC()
win32gui.ReleaseDC(hwin, hwindc)
win32gui.DeleteObject(bmp.GetHandle())
return img[:, :, :3]
except:
return super().screenshot(output=output)
def captureWindow(self):
if _WIN32:
targetWindow = win32gui.FindWindow(None, 'Pokémon Tower Battle')
left, top, right, bot = win32gui.GetClientRect(targetWindow)
w = right - left
h = bot - top
hwndDC = win32gui.GetWindowDC(targetWindow)
mfcDC = win32ui.CreateDCFromHandle(hwndDC)
saveDC = mfcDC.CreateCompatibleDC()
saveBitMap = win32ui.CreateBitmap()
saveBitMap.CreateCompatibleBitmap(mfcDC, w, h)
saveDC.SelectObject(saveBitMap)
result = windll.user32.PrintWindow(targetWindow, saveDC.GetSafeHdc(), 1)
if result != 0:
bmpstr = saveBitMap.GetBitmapBits(True)
self.screenCap = Image.frombuffer('RGB', (w, h), bmpstr, 'raw', 'BGRX', 0, 1)
else:
#backup function if windows fails
self.screenCap = self.screen().grabWindow(self.long_qdesktop_id,
self.geometry().x(), self.geometry().y(),
self.width(), self.height()).toImage()
win32gui.DeleteObject(saveBitMap.GetHandle())
saveDC.DeleteDC()
mfcDC.DeleteDC()
win32gui.ReleaseDC(targetWindow, hwndDC)
else:
#must have screen on top
self.screenCap = self.screen().grabWindow(self.long_qdesktop_id,
self.geometry().x(), self.geometry().y(),
self.width(), self.height()).toImage()
def __get_image(hwnd: int, rect: RECT, print_window: bool = False):
width: LONG = rect.right - rect.left
height: LONG = rect.bottom - rect.top
# If the window closes while it's being manipulated, it could cause a crash
try:
windowDC: int = win32gui.GetWindowDC(hwnd)
dcObject = win32ui.CreateDCFromHandle(windowDC)
# Causes a 10-15x performance drop. But allows recording hardware accelerated windows
if (print_window):
windll.user32.PrintWindow(hwnd, dcObject.GetSafeHdc(),
PW_RENDERFULLCONTENT)
compatibleDC = dcObject.CreateCompatibleDC()
bitmap: HBITMAP = win32ui.CreateBitmap()
bitmap.CreateCompatibleBitmap(dcObject, width, height)
compatibleDC.SelectObject(bitmap)
compatibleDC.BitBlt((0, 0), (width, height), dcObject,
(rect.left, rect.top), win32con.SRCCOPY)
except (win32ui.error, pywintypes.error):
errorImage = np.array([0, 0, 0, 1], dtype="uint8")
return errorImage
image: np._BufferType = np.frombuffer(bitmap.GetBitmapBits(True),
dtype='uint8')
image.shape = (height, width, 4)
try:
dcObject.DeleteDC()
compatibleDC.DeleteDC()
win32gui.ReleaseDC(hwnd, windowDC)
win32gui.DeleteObject(bitmap.GetHandle())
except win32ui.error:
pass
return image
def GetScreenImg(self):
if self.hwnd is None:
raise Exception(
"HWND is none. HWND not called or invalid window name provided."
)
l, t, r, b = win32gui.GetWindowRect(self.hwnd)
self.winLeft, self.winTop, self.winRight, self.winBottom = win32gui.GetClientRect(
self.hwnd)
# Calculate Width of Window
w = self.winRight - self.winLeft
# Calculate Height of Window
h = self.winBottom - self.winTop
wDC = win32gui.GetWindowDC(self.hwnd)
dcObj = win32ui.CreateDCFromHandle(wDC)
cDC = dcObj.CreateCompatibleDC()
dataBitMap = win32ui.CreateBitmap()
dataBitMap.CreateCompatibleBitmap(dcObj, w, h)
cDC.SelectObject(dataBitMap)
#First 2 tuples are top-left and bottom-right of destination
#Third tuple is the start position in source
cDC.BitBlt((0, 0), (w, h), dcObj, (0, 0), win32con.SRCCOPY)
#result = windll.user32.PrintWindow(self.hwnd, cDC.GetSafeHdc(),0)
bmInfo = dataBitMap.GetInfo()
im = np.frombuffer(dataBitMap.GetBitmapBits(True),
dtype=np.uint8) # Numpy Implementation
#bmStr = dataBitMap.GetBitmapBits(True)
#im = Image.frombuffer('RGB',(bmInfo['bmWidth'],bmInfo['bmHeight']),bmStr,'raw','BGRX',0,1) PIL is too slow
dcObj.DeleteDC()
cDC.DeleteDC()
win32gui.ReleaseDC(self.hwnd, wDC)
win32gui.DeleteObject(dataBitMap.GetHandle())
#Bitmap has 4 channels like: BGRA. Discard Alpha and flip order to RGB
if im.size < 4: return np.zeros((1, 1, 3), dtype=np.uint8)
return np.array(
im.reshape(bmInfo['bmHeight'], bmInfo['bmWidth'], 4)[:, :, -2::-1])
def screen_shot(server, sleep_time, lasting_time, running):
path_i = "D:\\new"
timedic = {
"屏幕变化": "屏幕变化",
"不限": "不限",
"1s": 1,
"2s": 2,
"5s": 5,
"10s": 10,
"30s": 30,
"1min": 60,
"5min": 300,
"10min": 600,
"30min": 1800,
"1h": 3600,
"12h": 43200,
"24h": 86400
}
start = time.time()
# 获取桌面
desktop = win32gui.GetDesktopWindow()
# 分辨率适应
width = win32api.GetSystemMetrics(win32con.SM_CXVIRTUALSCREEN)
height = win32api.GetSystemMetrics(win32con.SM_CYVIRTUALSCREEN)
left = win32api.GetSystemMetrics(win32con.SM_XVIRTUALSCREEN)
top = win32api.GetSystemMetrics(win32con.SM_YVIRTUALSCREEN)
# 创建设备描述表
desktop_dc = win32gui.GetWindowDC(desktop)
img_dc = win32ui.CreateDCFromHandle(desktop_dc)
# 创建一个内存设备描述表
mem_dc = img_dc.CreateCompatibleDC()
# 创建位图对象
screenshot = win32ui.CreateBitmap()
screenshot.CreateCompatibleBitmap(img_dc, width, height)
mem_dc.SelectObject(screenshot)
window = win32gui.GetForegroundWindow()
pre_window = win32gui.GetWindowText(window)
filename = ''
while running.isSet():
# 将截图保存到文件中
turn_start = time.time()
window = win32gui.GetForegroundWindow()
current_window = win32gui.GetWindowText(window)
end = time.time()
if current_window != pre_window and timedic[sleep_time] == "屏幕变化":
pre_window = current_window
# 截图至内存设备描述表
mem_dc.BitBlt((0, 0), (width, height), img_dc, (left, top),
win32con.SRCCOPY)
isExists = os.path.exists(path_i)
if not isExists:
os.makedirs(path_i)
filename_new = time.strftime('%Y%m%d%H%M%S',
time.localtime(time.time()))
if filename_new != filename:
filename = filename_new
else:
continue
path_r = path_i + '\\' + filename + '.bmp'
path_c = path_i + '\\' + filename + '.jpg'
try:
screenshot.SaveBitmapFile(mem_dc, path_r)
compress_image(path_r, path_c, mb=100, step=20, quality=80)
os.remove(path_r)
except:
continue
end = time.time()
if int(end - start) >= timedic[lasting_time]:
flag = 1
else:
flag = 0
shot_send_thread = threading.Thread(target=shot_send,
args=(server, path_c, flag,
path_i, filename))
shot_send_thread.start()
time.sleep(0.2)
elif timedic[sleep_time] != "屏幕变化":
pre_window = current_window
# 截图至内存设备描述表
mem_dc.BitBlt((0, 0), (width, height), img_dc, (left, top),
win32con.SRCCOPY)
isExists = os.path.exists(path_i)
if not isExists:
os.makedirs(path_i)
filename = time.strftime('%Y%m%d%H%M%S',
time.localtime(time.time()))
path_r = path_i + '\\' + filename + '.bmp'
path_c = path_i + '\\' + filename + '.jpg'
screenshot.SaveBitmapFile(mem_dc, path_r)
compress_image(path_r, path_c, mb=100, step=20, quality=80)
os.remove(path_r)
end = time.time()
if int(end - start) >= timedic[lasting_time]:
flag = 1
else:
flag = 0
shot_send_thread = threading.Thread(target=shot_send,
args=(server, path_c, flag,
path_i, filename))
shot_send_thread.start()
turn_end = time.time()
time.sleep(timedic[sleep_time] + turn_start - turn_end)
if timedic[lasting_time] != "不限":
if int(end - start) >= timedic[lasting_time]:
break
# 内存释放
mem_dc.DeleteDC()
win32gui.DeleteObject(screenshot.GetHandle())
if os.path.exists(path_i) == True:
try:
os.chdir(path_i)
for fileima in os.listdir():
os.remove(fileima)
os.chdir("../")
os.rmdir(path_i)
except:
pass
server.send("screenend".encode())