Examples of java.awt.geom.Rectangle2D.intersectsLine()

java.awt.geom.Rectangle2D.intersectsLine()
Tests if the specified line segment intersects the interior of this Rectangle2D. @param x1 the X coordinate of the start point of the specifiedline segment @param y1 the Y coordinate of the start point of the specifiedline segment @param x2 the X coordinate of the end point of the specifiedline segment @param y2 the Y coordinate of the end point of the specifiedline segment @return true if the specified line segment intersectsthe interior of this Rectangle2D; false otherwise. @since 1.2

    harness.check(r.intersectsLine(-1.0, 10.0, 0.0, 10.0));
    harness.check(r.intersectsLine(5, 11.0, 5.0, 10.0));


    // zero rectangle
    r = new Rectangle2D.Double();
    harness.check(!r.intersectsLine(0.0, 0.0, 0.0, 0.0));
    
    boolean pass = false;
    try
    {
      r.intersectsLine(null);

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    harness.check(!r.intersectsLine(0.0, 0.0, 0.0, 0.0));
    
    boolean pass = false;
    try
    {
      r.intersectsLine(null);
    }
    catch (NullPointerException e) 
    {
      pass = true;
    }

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   */
  public boolean intersects(Line2D line) {
    Rectangle2D rect = new Rectangle2D.Double();
    rect.setRect(getAbsoluteX1(), getAbsoluteY1(), getSize().getWidth(),
      getSize().getHeight());
    return rect.intersectsLine(line);
  }


  /**
   * {@inheritDoc}
   */

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   */
  public boolean intersects(Line2D line) {
    Rectangle2D rect = new Rectangle2D.Double();
    rect.setRect(getAbsoluteX1(), getAbsoluteY1(), getSize().getWidth(),
      getSize().getHeight());
    return rect.intersectsLine(line);
  }


  /**
   * {@inheritDoc}
   */

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   */
  public boolean intersects(Line2D line) {
    Rectangle2D rect = new Rectangle2D.Double();
    rect.setRect(getAbsoluteX1(), getAbsoluteY1(), getSize().getWidth(),
      getSize().getHeight());
    return rect.intersectsLine(line);
  }


  /**
   * {@inheritDoc}
   */

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    g2.setStroke(gridStroke);
    g2.setPaint(gridPaint);


    for (double x = bx; x < rightBorder; x += gridSpacing) {
      gridLine.setLine(x, by, x, bottomBorder);
      if (clip.intersectsLine(gridLine)) {
        g2.draw(gridLine);
      }
    }


    for (double y = by; y < bottomBorder; y += gridSpacing) {

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      }
    }


    for (double y = by; y < bottomBorder; y += gridSpacing) {
      gridLine.setLine(bx, y, rightBorder, y);
      if (clip.intersectsLine(gridLine)) {
        g2.draw(gridLine);
      }
    }
  }
}

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