36 lines
779 B
Python
36 lines
779 B
Python
import threading
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import cv2
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buffer = []
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def worker():
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global buffer
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while True:
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cv2.waitKey(50)
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try:
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if len(buffer) > 0:
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task = buffer.pop(0)
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if task is None:
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cv2.destroyAllWindows()
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else:
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flag, img, title = task
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cv2.imshow(flag, img)
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cv2.setWindowTitle(flag, title)
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cv2.setWindowProperty(flag, cv2.WND_PROP_TOPMOST, 1)
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except Exception as e:
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print(e)
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pass
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def show_preview(flag, img, title='preview'):
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buffer.append((flag, img[..., ::-1].copy(), title))
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def close_all_preview():
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buffer.append(None)
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threading.Thread(target=worker, daemon=True).start()
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