docs: public void addQuad (int tint, AffineTransform xf,
                         float left, float top, float right, float bottom,
                         float sl, float st, float sr, float sb) {
      addQuad(tint, xf.m00, xf.m01, xf.m10, xf.m11, xf.tx, xf.ty,
              left, top, right, bottom, sl, st, sr, sb);
    }