this.x = x; this.y = y; this.width = w; this.height = h;
this.x = (int) (x * units + 0.5f); this.y = (int) (y * units + 0.5f); this.width = (int) (w * units + 0.5f); this.height = (int) (h * units + 0.5f);
  public MediaPrintableArea(float x, float y, float w, float h, int units)  {    if (x < 0.0f || y < 0.0f || w <= 0.0f || h <= 0.0f)      throw new IllegalArgumentException();    this.x = x;    this.y = y;    this.width = w;    this.height = h;  }