view.py 文件源码

def saveImage(self, fname):  # noqa: N802
        """
        Saves current viewport as a png file of the given fname.
        """

        rect = self.viewport()
        rgb = QtGui.QImage.Format_RGB32
        image = QtGui.QImage(rect.width(), rect.height(), rgb)
        image.fill(QtGui.QColor(255, 255, 255))
        painter = QtGui.QPainter(image)
        self.render(painter)
        if not image.save(fname):
            raise ValueError('could not save image %s' % fname)
        del painter