weatherwidget.py 文件源码

def get_surface_from_file(filename):
    if os.path.exists(filename):
        pixbuf = GdkPixbuf.Pixbuf.new_from_file(filename)
        if pixbuf:
            surface = cairo.ImageSurface(
                cairo.FORMAT_ARGB32, pixbuf.get_width(), pixbuf.get_height())
            context = cairo.Context(surface)
            Gdk.cairo_set_source_pixbuf(context, pixbuf, 0, 0)
            context.paint()
            return surface
    return None