plotting.py 文件源码

def screenshot(file='screenshot.png', alpha=True):
    """ Saves a screenshot of active 3D canvas.

    Parameters
    ----------
    file :      str, optional
                Filename
    alpha :     bool, optional
                If True, alpha channel will be saved
    """
    if alpha:
        mode = 'RGBA'
    else:
        mode = 'RGB'

    im = png.from_array(_screenshot(alpha=alpha), mode=mode)
    im.save(file)

    return