Package org.jfree.chart.renderer

Examples of org.jfree.chart.renderer.GrayPaintScale

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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        GrayPaintScale g1 = new GrayPaintScale();
        GrayPaintScale g2 = null;
        try {
            g2 = (GrayPaintScale) g1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(g1 != g2);
        assertTrue(g1.getClass() == g2.getClass());
        assertTrue(g1.equals(g2));
    }
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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {
        GrayPaintScale g1 = new GrayPaintScale();
        GrayPaintScale g2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(g1);
            out.close();
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    /**
     * Simple check for the default constructor.
     */
    public void testConstructor() {
        GrayPaintScale gps = new GrayPaintScale();
        assertEquals(0.0, gps.getLowerBound(), EPSILON);
        assertEquals(1.0, gps.getUpperBound(), EPSILON);
        assertEquals(255, gps.getAlpha());
    }
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    /**
     * Some checks for the getPaint() method.
     */
    public void testGetPaint() {
        GrayPaintScale gps = new GrayPaintScale();
        Color c = (Color) gps.getPaint(0.0);
        assertTrue(c.equals(Color.black));
        c = (Color) gps.getPaint(1.0);
        assertTrue(c.equals(Color.white));

        // check lookup values that are outside the bounds - see bug report
        // 1767315
        c = (Color) gps.getPaint(-0.5);
        assertTrue(c.equals(Color.black));
        c = (Color) gps.getPaint(1.5);
        assertTrue(c.equals(Color.white));
    }
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    /**
     * A test for the equals() method.
     */
    public void testEquals() {
        GrayPaintScale g1 = new GrayPaintScale();
        GrayPaintScale g2 = new GrayPaintScale();
        assertTrue(g1.equals(g2));
        assertTrue(g2.equals(g1));

        g1 = new GrayPaintScale(0.0, 1.0);
        g2 = new GrayPaintScale(0.0, 1.0);
        assertTrue(g1.equals(g2));
        g1 = new GrayPaintScale(0.1, 1.0);
        assertFalse(g1.equals(g2));
        g2 = new GrayPaintScale(0.1, 1.0);
        assertTrue(g1.equals(g2));

        g1 = new GrayPaintScale(0.1, 0.9);
        assertFalse(g1.equals(g2));
        g2 = new GrayPaintScale(0.1, 0.9);
        assertTrue(g1.equals(g2));

        g1 = new GrayPaintScale(0.1, 0.9, 128);
        assertFalse(g1.equals(g2));
        g2 = new GrayPaintScale(0.1, 0.9, 128);
        assertTrue(g1.equals(g2));
    }
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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        GrayPaintScale g1 = new GrayPaintScale();
        GrayPaintScale g2 = null;
        try {
            g2 = (GrayPaintScale) g1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(g1 != g2);
        assertTrue(g1.getClass() == g2.getClass());
        assertTrue(g1.equals(g2));
    }
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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {
        GrayPaintScale g1 = new GrayPaintScale();
        GrayPaintScale g2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(g1);
            out.close();
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      XYBlockRenderer xyblockrenderer = new XYBlockRenderer();
//    System.out.println("fieldMax="+fieldMax);
//    System.out.println("fieldMax="+fieldMax);
      if(fieldMax==0.0)fieldMax=1.0;

      GrayPaintScale graypaintscale = new GrayPaintScale(0, fieldMax);
      xyblockrenderer.setPaintScale(graypaintscale);
      XYPlot xyplot = new XYPlot(show, numberaxis, numberaxis1, xyblockrenderer);

      xyplot.setBackgroundPaint(Color.lightGray);
      xyplot.setDomainGridlinesVisible(false);
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    /**
     * Simple check for the default constructor.
     */
    public void testConstructor() {
        GrayPaintScale gps = new GrayPaintScale();
        assertEquals(0.0, gps.getLowerBound(), EPSILON);
        assertEquals(1.0, gps.getUpperBound(), EPSILON);
    }
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    /**
     * Some checks for the getPaint() method.
     */
    public void testGetPaint() {
        GrayPaintScale gps = new GrayPaintScale();
        Color c = (Color) gps.getPaint(0.0);
        assertTrue(c.equals(Color.black));
        c = (Color) gps.getPaint(1.0);
        assertTrue(c.equals(Color.white));
       
        // check lookup values that are outside the bounds - see bug report
        // 1767315
        c = (Color) gps.getPaint(-0.5);
        assertTrue(c.equals(Color.black));
        c = (Color) gps.getPaint(1.5);
        assertTrue(c.equals(Color.white));
    }
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  • org.jfree.chart.renderer.xy.junit.XYBlockRendererTests
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