__init__.py 文件源码

def parse_rgba(col):
    """
    Parses color specified by #RRGGBBAA string.
    '#' and 'AA' is optional.
    """
    # Because GTK can parse everything but theese :(
    alpha = "FF"
    if not col.startswith("#"):
        col = "#" + col
    if len(col) > 7:
        col, alpha = col[0:7], col[7:]
    rgba = Gdk.RGBA()
    if not rgba.parse(col):
        log.warning("Failed to parse RGBA color: %s", col)
    rgba.alpha = float(int(alpha, 16)) / 255.0
    return rgba