Java ItemLabelAnchor.CENTER属性代码示例

/**
 * Returns <code>true</code> if the specified anchor point is inside a bar.
 * 
 * @param anchor  the anchor point.
 * 
 * @return A boolean.
 */
private boolean isInternalAnchor(ItemLabelAnchor anchor) {
    return anchor == ItemLabelAnchor.CENTER 
           || anchor == ItemLabelAnchor.INSIDE1
           || anchor == ItemLabelAnchor.INSIDE2
           || anchor == ItemLabelAnchor.INSIDE3
           || anchor == ItemLabelAnchor.INSIDE4
           || anchor == ItemLabelAnchor.INSIDE5
           || anchor == ItemLabelAnchor.INSIDE6
           || anchor == ItemLabelAnchor.INSIDE7
           || anchor == ItemLabelAnchor.INSIDE8
           || anchor == ItemLabelAnchor.INSIDE9
           || anchor == ItemLabelAnchor.INSIDE10
           || anchor == ItemLabelAnchor.INSIDE11
           || anchor == ItemLabelAnchor.INSIDE12;  
}
 

/**
 * Returns <code>true</code> if the specified anchor point is inside a bar.
 *
 * @param anchor  the anchor point.
 *
 * @return A boolean.
 */
private boolean isInternalAnchor(ItemLabelAnchor anchor) {
    return anchor == ItemLabelAnchor.CENTER
           || anchor == ItemLabelAnchor.INSIDE1
           || anchor == ItemLabelAnchor.INSIDE2
           || anchor == ItemLabelAnchor.INSIDE3
           || anchor == ItemLabelAnchor.INSIDE4
           || anchor == ItemLabelAnchor.INSIDE5
           || anchor == ItemLabelAnchor.INSIDE6
           || anchor == ItemLabelAnchor.INSIDE7
           || anchor == ItemLabelAnchor.INSIDE8
           || anchor == ItemLabelAnchor.INSIDE9
           || anchor == ItemLabelAnchor.INSIDE10
           || anchor == ItemLabelAnchor.INSIDE11
           || anchor == ItemLabelAnchor.INSIDE12;
}
 

/**
 * Returns {@code true} if the specified anchor point is inside a bar.
 *
 * @param anchor  the anchor point.
 *
 * @return A boolean.
 */
private boolean isInternalAnchor(ItemLabelAnchor anchor) {
    return anchor == ItemLabelAnchor.CENTER
           || anchor == ItemLabelAnchor.INSIDE1
           || anchor == ItemLabelAnchor.INSIDE2
           || anchor == ItemLabelAnchor.INSIDE3
           || anchor == ItemLabelAnchor.INSIDE4
           || anchor == ItemLabelAnchor.INSIDE5
           || anchor == ItemLabelAnchor.INSIDE6
           || anchor == ItemLabelAnchor.INSIDE7
           || anchor == ItemLabelAnchor.INSIDE8
           || anchor == ItemLabelAnchor.INSIDE9
           || anchor == ItemLabelAnchor.INSIDE10
           || anchor == ItemLabelAnchor.INSIDE11
           || anchor == ItemLabelAnchor.INSIDE12;
}
 

/**
 * Creates a new renderer with no tool tip generator and no URL generator.
 * <P>
 * The defaults (no tool tip or URL generators) have been chosen to minimise the processing
 * required to generate a default chart.  If you require tool tips or URLs, then you can
 * easily add the required generators.
 */
public StackedBarRenderer() {
    super();
    
    // set the default item label positions, which will only be used if the user
    // requests visible item labels...
    ItemLabelPosition p = new ItemLabelPosition(
        ItemLabelAnchor.CENTER, TextAnchor.CENTER
    );
    setBasePositiveItemLabelPosition(p);
    setBaseNegativeItemLabelPosition(p);
    setPositiveItemLabelPositionFallback(null);
    setNegativeItemLabelPositionFallback(null);
}
 

/**
 * Creates a new renderer.
 *
 * @param margin  the percentual amount of the bars that are cut away.
 */
public StackedXYBarRenderer(double margin) {
    super(margin);
    this.renderAsPercentages = false;
    
    // set the default item label positions, which will only be used if 
    // the user requests visible item labels...
    ItemLabelPosition p = new ItemLabelPosition(ItemLabelAnchor.CENTER, 
            TextAnchor.CENTER);
    setBasePositiveItemLabelPosition(p);
    setBaseNegativeItemLabelPosition(p);
    setPositiveItemLabelPositionFallback(null);
    setNegativeItemLabelPositionFallback(null);
}
 

/**
 * Creates a new renderer.
 * 
 * @param renderAsPercentages  a flag that controls whether the data values
 *                             are rendered as percentages.
 */
public StackedBarRenderer(boolean renderAsPercentages) {
    super();
    this.renderAsPercentages = renderAsPercentages;
    
    // set the default item label positions, which will only be used if 
    // the user requests visible item labels...
    ItemLabelPosition p = new ItemLabelPosition(ItemLabelAnchor.CENTER, 
            TextAnchor.CENTER);
    setBasePositiveItemLabelPosition(p);
    setBaseNegativeItemLabelPosition(p);
    setPositiveItemLabelPositionFallback(null);
    setNegativeItemLabelPositionFallback(null);
}
 

/**
 * Creates a new renderer.
 *
 * @param margin  the percentual amount of the bars that are cut away.
 */
public StackedXYBarRenderer(double margin) {
    super(margin);
    this.renderAsPercentages = false;

    // set the default item label positions, which will only be used if
    // the user requests visible item labels...
    ItemLabelPosition p = new ItemLabelPosition(ItemLabelAnchor.CENTER,
            TextAnchor.CENTER);
    setBasePositiveItemLabelPosition(p);
    setBaseNegativeItemLabelPosition(p);
    setPositiveItemLabelPositionFallback(null);
    setNegativeItemLabelPositionFallback(null);
}
 

/**
 * Creates a new renderer.
 *
 * @param renderAsPercentages  a flag that controls whether the data values
 *                             are rendered as percentages.
 */
public StackedBarRenderer(boolean renderAsPercentages) {
    super();
    this.renderAsPercentages = renderAsPercentages;

    // set the default item label positions, which will only be used if
    // the user requests visible item labels...
    ItemLabelPosition p = new ItemLabelPosition(ItemLabelAnchor.CENTER,
            TextAnchor.CENTER);
    setBasePositiveItemLabelPosition(p);
    setBaseNegativeItemLabelPosition(p);
    setPositiveItemLabelPositionFallback(null);
    setNegativeItemLabelPositionFallback(null);
}
 

/**
 * Creates a new renderer.
 *
 * @param margin  the percentual amount of the bars that are cut away.
 */
public StackedXYBarRenderer(double margin) {
    super(margin);
    this.renderAsPercentages = false;

    // set the default item label positions, which will only be used if
    // the user requests visible item labels...
    ItemLabelPosition p = new ItemLabelPosition(ItemLabelAnchor.CENTER,
            TextAnchor.CENTER);
    setDefaultPositiveItemLabelPosition(p);
    setDefaultNegativeItemLabelPosition(p);
    setPositiveItemLabelPositionFallback(null);
    setNegativeItemLabelPositionFallback(null);
}
 

/**
 * Creates a new renderer.
 *
 * @param renderAsPercentages  a flag that controls whether the data values
 *                             are rendered as percentages.
 */
public StackedBarRenderer(boolean renderAsPercentages) {
    super();
    this.renderAsPercentages = renderAsPercentages;

    // set the default item label positions, which will only be used if
    // the user requests visible item labels...
    ItemLabelPosition p = new ItemLabelPosition(ItemLabelAnchor.CENTER,
            TextAnchor.CENTER);
    setDefaultPositiveItemLabelPosition(p);
    setDefaultNegativeItemLabelPosition(p);
    setPositiveItemLabelPositionFallback(null);
    setNegativeItemLabelPositionFallback(null);
}
 

private JFreeChart createChart(IntervalCategoryDataset paramIntervalCategoryDataset) {
	JFreeChart localJFreeChart = ChartFactory.createGanttChart(this.chartTitle, this.domainAxisLabel, this.rangeAxisLabel, paramIntervalCategoryDataset, true, true, false);
	CategoryPlot localCategoryPlot = (CategoryPlot) localJFreeChart.getPlot();
	GanttRenderer localGanttRenderer = (GanttRenderer) localCategoryPlot.getRenderer();
	ChartUtil.hideLegend(localCategoryPlot);
	StandardCategoryItemLabelGenerator localStandardCategoryItemLabelGenerator = new StandardCategoryItemLabelGenerator();
	localGanttRenderer.setBaseItemLabelGenerator(localStandardCategoryItemLabelGenerator);
	localGanttRenderer.setBaseItemLabelsVisible(true);
	ItemLabelPosition localItemLabelPosition = new ItemLabelPosition(ItemLabelAnchor.CENTER, TextAnchor.CENTER);
	localGanttRenderer.setBasePositiveItemLabelPosition(localItemLabelPosition);
	ChartUtil.setNiceSeriesColors(paramIntervalCategoryDataset, localGanttRenderer);
	return localJFreeChart;
}
 

/**
 * Creates a waterfall chart.  The chart object returned by this method
 * uses a {@link CategoryPlot} instance as the plot, with a
 * {@link CategoryAxis} for the domain axis, a {@link NumberAxis} as the
 * range axis, and a {@link WaterfallBarRenderer} as the renderer.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param categoryAxisLabel  the label for the category axis
 *                           (<code>null</code> permitted).
 * @param valueAxisLabel  the label for the value axis (<code>null</code>
 *                        permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param legend  a flag specifying whether or not a legend is required.
 *
 * @return A waterfall chart.
 */
public static JFreeChart createWaterfallChart(String title,
        String categoryAxisLabel, String valueAxisLabel,
        CategoryDataset dataset, boolean legend) {

    CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
    categoryAxis.setCategoryMargin(0.0);
    ValueAxis valueAxis = new NumberAxis(valueAxisLabel);
    WaterfallBarRenderer renderer = new WaterfallBarRenderer();
    ItemLabelPosition position = new ItemLabelPosition(
            ItemLabelAnchor.CENTER, TextAnchor.CENTER,
            TextAnchor.CENTER, 0.0);
    renderer.setBasePositiveItemLabelPosition(position);
    renderer.setBaseNegativeItemLabelPosition(position);
    StandardCategoryToolTipGenerator generator
            = new StandardCategoryToolTipGenerator();
    renderer.setBaseToolTipGenerator(generator);
    CategoryPlot plot = new CategoryPlot(dataset, categoryAxis, valueAxis,
            renderer);
    plot.clearRangeMarkers();
    Marker baseline = new ValueMarker(0.0);
    baseline.setPaint(Color.black);
    plot.addRangeMarker(baseline, Layer.FOREGROUND);
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
            plot, legend);
    currentTheme.apply(chart);
    return chart;

}
 

/**
   * Creates a sample chart.
   * 
   * @param dataset  the dataset.
   * 
   * @return a sample chart.
   */
  protected JFreeChart createChart(CategoryDataset dataset) {
  
      JFreeChart chart = ChartFactory.createBarChart(
          chartTitle,       // chart title
          domainLabel,               // domain axis label
          rangeLabel,                  // range axis label
          dataset,                  // data
          PlotOrientation.VERTICAL, // the plot orientation
          !legendPanelOn,                    // include legend
          true,
          false
      );

      chart.setBackgroundPaint(Color.lightGray);

      // get a reference to the plot for further customisation...
      CategoryPlot plot = (CategoryPlot) chart.getPlot();
      plot.setNoDataMessage("NO DATA!");

      CategoryItemRenderer renderer = new CustomBarRenderer(
          new Paint[] {Color.red, Color.blue, Color.green,
              Color.yellow, Color.orange, Color.cyan,
              Color.magenta, Color.blue}
      );
      renderer.setBaseItemLabelGenerator(
          new StandardCategoryItemLabelGenerator()
      );
      renderer.setBaseItemLabelsVisible(true);
      ItemLabelPosition p = new ItemLabelPosition(
          ItemLabelAnchor.CENTER, TextAnchor.CENTER, TextAnchor.CENTER, 45.0
      );
      renderer.setBasePositiveItemLabelPosition(p);
      plot.setRenderer(renderer);

      CategoryMarker marker = new CategoryMarker("Category 3");
      marker.setLabel("Special");
      marker.setPaint(new Color(0xDD, 0xFF, 0xDD, 0x80));
      marker.setAlpha(0.5f);
      marker.setLabelAnchor(RectangleAnchor.TOP_LEFT);
      marker.setLabelTextAnchor(TextAnchor.TOP_LEFT);
      marker.setLabelOffsetType(LengthAdjustmentType.CONTRACT);
      plot.addDomainMarker(marker, Layer.BACKGROUND);
      
      // change the margin at the top of the range axis...
      NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
      rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
      rangeAxis.setLowerMargin(0.15);
      rangeAxis.setUpperMargin(0.15);

      BarRenderer seriesRenderer = (BarRenderer) plot.getRenderer();
seriesRenderer.setLegendItemLabelGenerator(new SOCRCategorySeriesLabelGenerator());

setCategorySummary(dataset);
      return chart;

  }
 

private Point2D calculateLabelAnchorPoint(ItemLabelAnchor anchor, Rectangle2D bar, PlotOrientation orientation) {
	Point2D result = null;
	double offset = getItemLabelAnchorOffset();
	double x0 = bar.getX() - offset;
	double x1 = bar.getX();
	double x2 = bar.getX() + offset;
	double x3 = bar.getCenterX();
	double x4 = bar.getMaxX() - offset;
	double x5 = bar.getMaxX();
	double x6 = bar.getMaxX() + offset;

	double y0 = bar.getMaxY() + offset;
	double y1 = bar.getMaxY();
	double y2 = bar.getMaxY() - offset;
	double y3 = bar.getCenterY();
	double y4 = bar.getMinY() + offset;
	double y5 = bar.getMinY();
	double y6 = bar.getMinY() - offset;

	if (anchor == ItemLabelAnchor.CENTER) {
		result = new Point2D.Double(x3, y3);
	} else if (anchor == ItemLabelAnchor.INSIDE1) {
		result = new Point2D.Double(x4, y4);
	} else if (anchor == ItemLabelAnchor.INSIDE2) {
		result = new Point2D.Double(x4, y4);
	} else if (anchor == ItemLabelAnchor.INSIDE3) {
		result = new Point2D.Double(x4, y3);
	} else if (anchor == ItemLabelAnchor.INSIDE4) {
		result = new Point2D.Double(x4, y2);
	} else if (anchor == ItemLabelAnchor.INSIDE5) {
		result = new Point2D.Double(x4, y2);
	} else if (anchor == ItemLabelAnchor.INSIDE6) {
		result = new Point2D.Double(x3, y2);
	} else if (anchor == ItemLabelAnchor.INSIDE7) {
		result = new Point2D.Double(x2, y2);
	} else if (anchor == ItemLabelAnchor.INSIDE8) {
		result = new Point2D.Double(x2, y2);
	} else if (anchor == ItemLabelAnchor.INSIDE9) {
		result = new Point2D.Double(x2, y3);
	} else if (anchor == ItemLabelAnchor.INSIDE10) {
		result = new Point2D.Double(x2, y4);
	} else if (anchor == ItemLabelAnchor.INSIDE11) {
		result = new Point2D.Double(x2, y4);
	} else if (anchor == ItemLabelAnchor.INSIDE12) {
		result = new Point2D.Double(x3, y4);
	} else if (anchor == ItemLabelAnchor.OUTSIDE1) {
		result = new Point2D.Double(x5, y6);
	} else if (anchor == ItemLabelAnchor.OUTSIDE2) {
		result = new Point2D.Double(x6, y5);
	} else if (anchor == ItemLabelAnchor.OUTSIDE3) {
		result = new Point2D.Double(x6, y3);
	} else if (anchor == ItemLabelAnchor.OUTSIDE4) {
		result = new Point2D.Double(x6, y1);
	} else if (anchor == ItemLabelAnchor.OUTSIDE5) {
		result = new Point2D.Double(x5, y0);
	} else if (anchor == ItemLabelAnchor.OUTSIDE6) {
		result = new Point2D.Double(x3, y0);
	} else if (anchor == ItemLabelAnchor.OUTSIDE7) {
		result = new Point2D.Double(x1, y0);
	} else if (anchor == ItemLabelAnchor.OUTSIDE8) {
		result = new Point2D.Double(x0, y1);
	} else if (anchor == ItemLabelAnchor.OUTSIDE9) {
		result = new Point2D.Double(x0, y3);
	} else if (anchor == ItemLabelAnchor.OUTSIDE10) {
		result = new Point2D.Double(x0, y5);
	} else if (anchor == ItemLabelAnchor.OUTSIDE11) {
		result = new Point2D.Double(x1, y6);
	} else if (anchor == ItemLabelAnchor.OUTSIDE12) {
		result = new Point2D.Double(x3, y6);
	}

	return result;
}