void MacWindow::loadBorder(Common::SeekableReadStream &file, bool active, int lo, int ro, int to, int bo) {
    Image::BitmapDecoder bmpDecoder;
    Graphics::Surface *source;
    Graphics::TransparentSurface *surface = new Graphics::TransparentSurface();

    bmpDecoder.loadStream(file);
    source = bmpDecoder.getSurface()->convertTo(surface->getSupportedPixelFormat(), bmpDecoder.getPalette());

    surface->create(source->w, source->h, surface->getSupportedPixelFormat());
    surface->copyFrom(*source);
    surface->applyColorKey(255, 0, 255, false);

    if (active)
        _macBorder.addActiveBorder(surface);
    else
        _macBorder.addInactiveBorder(surface);

    if (!_macBorder.hasOffsets())
        _macBorder.setOffsets(lo, ro, to, bo);

    updateInnerDims();
    source->free();
    delete source;
}