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並前往https://stefan.sofa-rockers.org/2018/05/04/how-to-mask-an-image-with-a-smooth-circle-in-pyqt5/

How to mask an image with a smooth circle in PyQt5 - Stefan ...

QtGui import QBrush, QImage, QPainter, QPixmap, QWindow from PyQt5. ... an alpha channel): image = QImage.fromData(imgdata, imgtype) image.

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