QImage StereoImageGenerator::makeStereo(const QImage & maskImage, const QImage & background)
{
    int w = maskImage.width();
    int h = maskImage.height();
    int ** mask = new int * [w];
    for (int i = 0; i < w; i++)
    {
        mask[i] = new int[h];
        for (int j = 0; j < h; j++)
        {
            mask[i][j] = qRed(maskImage.pixel(i, j)) / 32;
        }
    }

    int s = 100;
    QImage stereoImage;
    if (background.isNull())
        stereoImage = genBackground(QSize(w + s, h), s);
    else
        stereoImage = background;


    for (int j = 0; j < h; j++)
        for (int i = 0; i < w; i++)
            if (mask[i][j] > 0)
            {
                QRgb pixel = stereoImage.pixel(i + mask[i][j], j);
                for (int k = i + s; i < w + s; i += s)
                    stereoImage.setPixel(k, j, pixel);
            }
    for (int i = 0; i < w; i++)
    {
        delete mask[i];
    }
    delete mask;
    return stereoImage;
}