int x = border.first;
    while (x < border.second) {
        bool fl = false;
        while (true) {
            b = img.pixel(x, y);
            c.setRgb(b);
            if (c != edgeColor && c != fillColor && x < border.second) {
                fl = true;
                ++x;
            } else {
                break;
            }
        }

        if (fl == true) {
            b = img.pixel(x, y);
            c.setRgb(b);
            if (x == border.second && c != edgeColor && c != fillColor) {
                stack.push(QPoint(x, y));
            } else {
                stack.push(QPoint(x - 1, y));
            }
        }

        fl = false;
        int xt = x;

        while (true) {
            b = img.pixel(x, y);
            c.setRgb(b);
            if (c == edgeColor) {
                if (x < border.second) {
                    ++x;
                    continue;
                } else {
                    break;
                }
            } else {
                if (c == fillColor) {
                    if (x < border.second) {
                        ++x;
                        continue;
                    } else {
                        break;
                    }
                } else {
                    if (x == xt) {
                        ++x;
                    }
                    break;
                }
            }
        }
    }