state.py 文件源码

def __init__(self, *args, **kwargs):
        kwargs.setdefault('width', 2)
        avatar = kwargs.setdefault('avatar', 'tuga')
        self.size = kwargs.pop('size', 45)
        self.validate_avatar(avatar)
        self.graphics_item = cursor = QtSvg.QGraphicsSvgItem()

        # Loads from turtleart.svg
        cursor.setSharedRenderer(svg_renderer)
        cursor.setElementId(avatar)

        # Define local transforms
        rect = cursor.sceneBoundingRect()
        curr_width, curr_height = rect.width(), rect.height()
        cursor.setTransform(QtGui.QTransform(
            1.00, 0.00,
            0.00, 1.00,
            -curr_width / 2, -curr_height / 2)
        )
        cursor.setTransformOriginPoint(0.5 * curr_width, 0.5 * curr_height)
        cursor.setScale(self.size / curr_width)
        cursor.setZValue(1.0)
        self.pen = QtGui.QPen(QtGui.QColor(0, 0, 0))
        self.brush = QtGui.QBrush(QtGui.QColor(0, 0, 0))
        super().__init__(*args, **kwargs)