# Screenshot with ctypes
## Tested against Windows 10 / Python 3.11 / Anaconda
### pip install screenshotct
```PY
import cv2
from screenshotct import take_screenshot
import time
from ctypes_window_info import get_window_infos
for q in get_window_infos():
print(q)
# hwnd
ir = take_screenshot(
hwnd=2100816,
crop=(0, 0, 0, 100),
show_fps=True,
brg_to_rgb=False,
ignore_exceptions=True,
client=True,
)
# first screen
# ir = take_screenshot(
# hwnd='0',
# crop=(0, 0, 0, 100),
# show_fps=True,
# brg_to_rgb=False,
# ignore_exceptions=True,
# client=True,
# )
# all screens
# ir = take_screenshot(
# hwnd="all",
# crop=(0, 0, 0, 100),
# show_fps=True,
# brg_to_rgb=False,
# ignore_exceptions=True,
# client=True,
# )
fps = 0
last_time = time.time()
for _ in range(1000):
try:
pic = next(ir)
fps += 1
cv2.imshow("pic", pic[0])
if cv2.waitKey(1) & 0xFF == ord("q"):
break
except Exception as e:
print(e)
print(f"\n\n\n{fps / (time.time() - last_time)}\n")
cv2.destroyAllWindows()
```
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"description": "\r\n# Screenshot with ctypes\r\n\r\n## Tested against Windows 10 / Python 3.11 / Anaconda\r\n\r\n### pip install screenshotct\r\n\r\n```PY\r\nimport cv2\r\nfrom screenshotct import take_screenshot\r\nimport time\r\nfrom ctypes_window_info import get_window_infos\r\n\r\nfor q in get_window_infos():\r\n print(q)\r\n\r\n# hwnd\r\nir = take_screenshot(\r\n hwnd=2100816,\r\n crop=(0, 0, 0, 100),\r\n show_fps=True,\r\n brg_to_rgb=False,\r\n ignore_exceptions=True,\r\n client=True,\r\n)\r\n\r\n# first screen\r\n# ir = take_screenshot(\r\n# hwnd='0',\r\n# crop=(0, 0, 0, 100),\r\n# show_fps=True,\r\n# brg_to_rgb=False,\r\n# ignore_exceptions=True,\r\n# client=True,\r\n# )\r\n\r\n# all screens\r\n# ir = take_screenshot(\r\n# hwnd=\"all\",\r\n# crop=(0, 0, 0, 100),\r\n# show_fps=True,\r\n# brg_to_rgb=False,\r\n# ignore_exceptions=True,\r\n# client=True,\r\n# )\r\n\r\nfps = 0\r\nlast_time = time.time()\r\nfor _ in range(1000):\r\n try:\r\n pic = next(ir)\r\n fps += 1\r\n cv2.imshow(\"pic\", pic[0])\r\n if cv2.waitKey(1) & 0xFF == ord(\"q\"):\r\n break\r\n except Exception as e:\r\n print(e)\r\nprint(f\"\\n\\n\\n{fps / (time.time() - last_time)}\\n\")\r\ncv2.destroyAllWindows()\r\n```\r\n",
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