def copy_to_clipboard(self):
"""Copy the current figure image to clipboard"""
# store the image in a buffer using savefig(), this has the
# advantage of applying all the default savefig parameters
# such as background color; those would be ignored if you simply
# grab the canvas using Qt
buf = io.BytesIO()
self.canvas.figure.savefig(buf)
QApplication.clipboard().setImage(QImage.fromData(buf.getvalue()))
buf.close()
