Package org.jfree.chart.renderer

Examples of org.jfree.chart.renderer.GrayPaintScale

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    /**
     * Two objects that are equal are required to return the same hashCode.
     */
    public void testHashcode() {
        PaintScaleLegend l1 = new PaintScaleLegend(new GrayPaintScale(),
                new NumberAxis("X"));
        PaintScaleLegend l2 = new PaintScaleLegend(new GrayPaintScale(),
                new NumberAxis("X"));
        assertTrue(l1.equals(l2));
        int h1 = l1.hashCode();
        int h2 = l2.hashCode();
        assertEquals(h1, h2);
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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        PaintScaleLegend l1 = new PaintScaleLegend(new GrayPaintScale(),
                new NumberAxis("X"));
        PaintScaleLegend l2 = null;
        try {
            l2 = (PaintScaleLegend) l1.clone();
        }
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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {
        PaintScaleLegend l1 = new PaintScaleLegend(new GrayPaintScale(),
                new NumberAxis("X"));
        PaintScaleLegend l2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
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      NumberAxis yAxis = new NumberAxis("Y");
      //yAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
      yAxis.setLowerMargin(0.0D);
      yAxis.setUpperMargin(0.0D);
      XYBlockRenderer renderer = new XYBlockRenderer();
      PaintScale scale = new GrayPaintScale(-2D, 1.0D);
      renderer.setPaintScale(scale);
      XYPlot plot = new XYPlot(dataset, xAxis, yAxis, renderer);
      plot.setBackgroundPaint(Color.lightGray);
      plot.setDomainGridlinesVisible(false);
      plot.setRangeGridlinePaint(Color.white);
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      NumberAxis yAxis = new NumberAxis(yAxisLabel);
      yAxis.setLowerMargin(0.0D);
      yAxis.setUpperMargin(0.0D);
      XYBlockRenderer renderer = new XYBlockRenderer();

      renderer.setPaintScale(new GrayPaintScale(minZValue, maxZValue));
      XYPlot plot = new XYPlot(dataset, xAxis, yAxis, renderer);
      plot.setBackgroundPaint(Color.lightGray);
      plot.setDomainGridlinesVisible(false);
      plot.setRangeGridlinePaint(Color.white);
      JFreeChart chart = new JFreeChart(title, plot);
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        assertFalse(r1.equals(r2));
        r2.setBlockWidth(2.0);
        assertTrue(r1.equals(r2));

        // paintScale
        r1.setPaintScale(new GrayPaintScale(0.0, 1.0));
        assertFalse(r1.equals(r2));
        r2.setPaintScale(new GrayPaintScale(0.0, 1.0));
        assertTrue(r1.equals(r2));

    }
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        assertFalse(r1.equals(r2));
        r2.setBlockWidth(2.0);
        assertTrue(r1.equals(r2));

        // paintScale
        r1.setPaintScale(new GrayPaintScale(0.0, 1.0));
        assertFalse(r1.equals(r2));
        r2.setPaintScale(new GrayPaintScale(0.0, 1.0));
        assertTrue(r1.equals(r2));

    }
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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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Related Classes of org.jfree.chart.renderer.GrayPaintScale

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  • com.greentea.relaxation.jnmf.gui.utils.GuiUtils
  • com.greentea.relaxation.jnmf.gui.XYBlockChartDemo1
  • org.jfree.chart.renderer.junit.GrayPaintScaleTests
  • org.jfree.chart.renderer.xy.junit.XYBlockRendererTests
  • org.jfree.chart.renderer.xy.XYBlockRendererTest
  • org.jfree.chart.title.junit.PaintScaleLegendTests
  • org.jfree.chart.title.PaintScaleLegendTest
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