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Project description
zbl
zbl
is a Rust and Python library which aims to make it easy to integrate CV libraries (such as OpenCV) with
Windows Desktop apps for real-time processing. It does so by providing a simplified interface to
Windows.Graphics.Capture
.
This library is not well-tested against corner cases, and was only verified to work for a 'happy path' scenarios, so beware of bugs!
Python
Installation
pip install zbl
Alternatively, you can install suitable wheel from releases page.
Usage
from zbl import Capture
with Capture('visual studio code') as cap:
frame = next(cap.frames())
print(frame.shape)
The snippet above will capture a window which title contains the string visual studio code
, take one frame (which is represented as a numpy
array) and print its shape.
To run an example using OpenCV's highgui
:
- Install
opencv-python
- Run
python -m zbl '<full or partial window name, case insensitive>'
Rust
See examples. Note: if you are getting OpenCV build errors when building the example, check out how to build OpenCV rust bindings.
Credits
zbl
is heavily inspired by screenshot-rs.
Project details
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