def Screenshot(self):
########################
# Usadas en Screenshot #
########################
from time import sleep
from win32gui import GetDesktopWindow, GetWindowDC
from win32ui import CreateDCFromHandle, CreateBitmap
from win32con import SRCCOPY, SM_CXVIRTUALSCREEN, SM_CYVIRTUALSCREEN, SM_XVIRTUALSCREEN, SM_YVIRTUALSCREEN
from win32api import GetSystemMetrics, GetUserName
from time import strftime
print "Tomando Pantallazo"
# Toma 4 pantallazos
# Cada pantallazo lo llama pantallazo1 , 2 ,3 o 4
# Lo hace cada 2 segundos
t = strftime("%Y-%H%M%S")
hwin = GetDesktopWindow()
width = GetSystemMetrics(SM_CXVIRTUALSCREEN)
height = GetSystemMetrics(SM_CYVIRTUALSCREEN)
left = GetSystemMetrics(SM_XVIRTUALSCREEN)
top = GetSystemMetrics(SM_YVIRTUALSCREEN)
hwindc = GetWindowDC(hwin)
srcdc = CreateDCFromHandle(hwindc)
memdc = srcdc.CreateCompatibleDC()
bmp = CreateBitmap()
bmp.CreateCompatibleBitmap(srcdc, width, height)
memdc.SelectObject(bmp)
memdc.BitBlt((0, 0), (width, height), srcdc, (left, top), SRCCOPY)
bmp.SaveBitmapFile(
memdc, "C:\\Users\\" + GetUserName() +
"\\Downloads\\test\\screen" + t + ".bmp")
def _capture(self):
# make sure the process is DPI aware, otherwise the image
# is only a part of the full monitor content
# (necessary only on Win 8.1+)
old_awareness = self._dpi_aware()
self._set_dpi_aware(True)
# get width and height of current monitor
width = GetSystemMetrics(SM_CXVIRTUALSCREEN)
height = GetSystemMetrics(SM_CYVIRTUALSCREEN)
# get 'desktop' window handle
handle_desktop = GetDesktopWindow()
# get window graphic context handle
handle_context = GetWindowDC(handle_desktop)
# create device context
dev_ctx = CreateDCFromHandle(handle_context)
# create destination for original device context
dest_ctx = dev_ctx.CreateCompatibleDC()
# create bitmap compatible with desktop window device
bmp = CreateBitmap()
bmp.CreateCompatibleBitmap(dev_ctx, width, height)
# select bitmap into destination device
dest_ctx.SelectObject(bmp)
# populate selected bitmap in destination device
dest_ctx.BitBlt(
(0, 0), # start point (x, y)
(width, height), # size of rectangle
dev_ctx,
( # source device
GetSystemMetrics(SM_XVIRTUALSCREEN),
GetSystemMetrics(SM_YVIRTUALSCREEN)
), # source rectangle, can be different monitor
SRCCOPY # copy directly without filters
)
# save bitmap to file
bmp.SaveBitmapFile(dest_ctx, self.file_path)
# return to the original state
self._set_dpi_aware(old_awareness)
def ScreenShot(self):
"""
截图 网上找的代码直接复制修改的
后面加了释放资源代码，网上找的
"""
hwndDC = GetWindowDC(self.mHwnd)
mfcDC = CreateDCFromHandle(hwndDC)
saveDC = mfcDC.CreateCompatibleDC()
saveBitMap = CreateBitmap()
saveBitMap.CreateCompatibleBitmap(mfcDC, self.mWindowWidth,
self.mWindowHeight)
saveDC.SelectObject(saveBitMap)
saveDC.BitBlt((0, 0), (self.mWindowWidth, self.mWindowHeight), mfcDC,
(0, 0), SRCCOPY)
saveBitMap.SaveBitmapFile(saveDC, self.mScreenShotFileName)
self.mImageSrc = aircv.imread(self.mScreenShotFileName)
# release
DeleteObject(saveBitMap.GetHandle())
mfcDC.DeleteDC()
saveDC.DeleteDC()
ReleaseDC(self.mHwnd, hwndDC)
def get_screenshot():
hdesktop = GetDesktopWindow()
width = GetSystemMetrics(win32con.SM_CXVIRTUALSCREEN)
height = GetSystemMetrics(win32con.SM_CYVIRTUALSCREEN)
left = GetSystemMetrics(win32con.SM_XVIRTUALSCREEN)
top = GetSystemMetrics(win32con.SM_YVIRTUALSCREEN)
hdc = GetWindowDC(hdesktop)
source_dc = CreateDCFromHandle(hdc)
target_dc = source_dc.CreateCompatibleDC()
bmp = CreateBitmap()
bmp.CreateCompatibleBitmap(source_dc, width, height)
target_dc.SelectObject(bmp)
target_dc.BitBlt((0, 0), (width, height), source_dc, (left, top),
win32con.SRCCOPY)
tmp = tempfile.NamedTemporaryFile(suffix='.bmp')
bmp.SaveBitmapFile(target_dc, tmp.name)
return tmp