Examples of java.awt.geom.Arc2D.intersects()

java.awt.geom.Arc2D.intersects()
Determines whether or not the interior of the arc intersects the interior of the specified rectangle. @param x The X coordinate of the rectangle's upper-left corner. @param y The Y coordinate of the rectangle's upper-left corner. @param w The width of the rectangle. @param h The height of the rectangle. @return true if the arc intersects the rectangle, false if the arc doesn't intersect the rectangle. @since 1.2

   * @param harness  the test harness (<code>null</code> not permitted).
   */
  public void test(TestHarness harness)      
  {
    Arc2D arc = new Arc2D.Double();
    harness.check(!arc.intersects(0.0, 0.0, 0.0, 0.0));
    harness.check(!arc.intersects(1.0, 2.0, 3.0, 4.0));


    arc = new Arc2D.Double(-1.0, -1.0, 2.0, 2.0, 0.0, 90.0, Arc2D.PIE);
    harness.check(arc.intersects(-1.0, 0.0, 1.0, 1.0));
    harness.check(arc.intersects(-1.0, -1.0, 1.0, 1.0));

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   */
  public void test(TestHarness harness)      
  {
    Arc2D arc = new Arc2D.Double();
    harness.check(!arc.intersects(0.0, 0.0, 0.0, 0.0));
    harness.check(!arc.intersects(1.0, 2.0, 3.0, 4.0));


    arc = new Arc2D.Double(-1.0, -1.0, 2.0, 2.0, 0.0, 90.0, Arc2D.PIE);
    harness.check(arc.intersects(-1.0, 0.0, 1.0, 1.0));
    harness.check(arc.intersects(-1.0, -1.0, 1.0, 1.0));
    harness.check(arc.intersects(0.0, 0.0, 1.0, 1.0));

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    Arc2D arc = new Arc2D.Double();
    harness.check(!arc.intersects(0.0, 0.0, 0.0, 0.0));
    harness.check(!arc.intersects(1.0, 2.0, 3.0, 4.0));


    arc = new Arc2D.Double(-1.0, -1.0, 2.0, 2.0, 0.0, 90.0, Arc2D.PIE);
    harness.check(arc.intersects(-1.0, 0.0, 1.0, 1.0));
    harness.check(arc.intersects(-1.0, -1.0, 1.0, 1.0));
    harness.check(arc.intersects(0.0, 0.0, 1.0, 1.0));
    harness.check(arc.intersects(0.0, -1.0, 1.0, 1.0));
    harness.check(!arc.intersects(5.0, 5.0, 1.0, 1.0));

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    harness.check(!arc.intersects(0.0, 0.0, 0.0, 0.0));
    harness.check(!arc.intersects(1.0, 2.0, 3.0, 4.0));


    arc = new Arc2D.Double(-1.0, -1.0, 2.0, 2.0, 0.0, 90.0, Arc2D.PIE);
    harness.check(arc.intersects(-1.0, 0.0, 1.0, 1.0));
    harness.check(arc.intersects(-1.0, -1.0, 1.0, 1.0));
    harness.check(arc.intersects(0.0, 0.0, 1.0, 1.0));
    harness.check(arc.intersects(0.0, -1.0, 1.0, 1.0));
    harness.check(!arc.intersects(5.0, 5.0, 1.0, 1.0));
    
    arc = new Arc2D.Double();

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    harness.check(!arc.intersects(1.0, 2.0, 3.0, 4.0));


    arc = new Arc2D.Double(-1.0, -1.0, 2.0, 2.0, 0.0, 90.0, Arc2D.PIE);
    harness.check(arc.intersects(-1.0, 0.0, 1.0, 1.0));
    harness.check(arc.intersects(-1.0, -1.0, 1.0, 1.0));
    harness.check(arc.intersects(0.0, 0.0, 1.0, 1.0));
    harness.check(arc.intersects(0.0, -1.0, 1.0, 1.0));
    harness.check(!arc.intersects(5.0, 5.0, 1.0, 1.0));
    
    arc = new Arc2D.Double();
    harness.check(!arc.intersects(new Rectangle2D.Double(0.0, 0.0, 0.0, 0.0)));

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    arc = new Arc2D.Double(-1.0, -1.0, 2.0, 2.0, 0.0, 90.0, Arc2D.PIE);
    harness.check(arc.intersects(-1.0, 0.0, 1.0, 1.0));
    harness.check(arc.intersects(-1.0, -1.0, 1.0, 1.0));
    harness.check(arc.intersects(0.0, 0.0, 1.0, 1.0));
    harness.check(arc.intersects(0.0, -1.0, 1.0, 1.0));
    harness.check(!arc.intersects(5.0, 5.0, 1.0, 1.0));
    
    arc = new Arc2D.Double();
    harness.check(!arc.intersects(new Rectangle2D.Double(0.0, 0.0, 0.0, 0.0)));
    boolean pass = false;

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    arc = new Arc2D.Double(-1.0, -1.0, 2.0, 2.0, 0.0, 90.0, Arc2D.PIE);
    harness.check(arc.intersects(-1.0, 0.0, 1.0, 1.0));
    harness.check(arc.intersects(-1.0, -1.0, 1.0, 1.0));
    harness.check(arc.intersects(0.0, 0.0, 1.0, 1.0));
    harness.check(arc.intersects(0.0, -1.0, 1.0, 1.0));
    harness.check(!arc.intersects(5.0, 5.0, 1.0, 1.0));
    
    arc = new Arc2D.Double();
    harness.check(!arc.intersects(new Rectangle2D.Double(0.0, 0.0, 0.0, 0.0)));
    boolean pass = false;
    try {

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    harness.check(arc.intersects(0.0, 0.0, 1.0, 1.0));
    harness.check(arc.intersects(0.0, -1.0, 1.0, 1.0));
    harness.check(!arc.intersects(5.0, 5.0, 1.0, 1.0));
    
    arc = new Arc2D.Double();
    harness.check(!arc.intersects(new Rectangle2D.Double(0.0, 0.0, 0.0, 0.0)));
    boolean pass = false;
    try {
        arc.intersects(null);
    }
    catch (NullPointerException e) {

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    arc = new Arc2D.Double();
    harness.check(!arc.intersects(new Rectangle2D.Double(0.0, 0.0, 0.0, 0.0)));
    boolean pass = false;
    try {
        arc.intersects(null);
    }
    catch (NullPointerException e) {
        pass = true;
    }
    harness.check(pass);

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