Java ValueAxis.getLowerBound方法代碼示例

import org.jfree.chart.axis.ValueAxis; //導入方法依賴的package包/類
private void shrinkSelectionYAxis(double x, double y, Selection selectionObject, ValueAxis axis, int axisIndex,
		double zoomFactor) {
	Rectangle2D scaledDataArea = getScreenDataArea((int) x, (int) y);

	double minY = scaledDataArea.getMinY();
	double maxY = scaledDataArea.getMaxY();
	double partToTop = (y - minY) / (maxY - minY);

	double lowerDomain = axis.getLowerBound();
	double upperDomain = axis.getUpperBound();
	double middlePointTop = lowerDomain + (upperDomain - lowerDomain) * (1d - partToTop);
	double width = (upperDomain - lowerDomain) * zoomFactor;
	Range axisRange = new Range(middlePointTop - width / 2d, middlePointTop + width / 2d);
	for (String axisName : axisNameResolver.resolveYAxis(axisIndex)) {
		selectionObject.addDelimiter(axisName, axisRange);
	}
}
 

import org.jfree.chart.axis.ValueAxis; //導入方法依賴的package包/類
private void shrinkSelectionXAxis(double x, double y, Selection selectionObject, ValueAxis axis, int axisIndex,
		double zoomFactor) {
	Rectangle2D scaledDataArea = getScreenDataArea((int) x, (int) y);

	double minX = scaledDataArea.getMinX();
	double maxX = scaledDataArea.getMaxX();
	double partToLeft = (x - minX) / (maxX - minX);

	double lowerDomain = axis.getLowerBound();
	double upperDomain = axis.getUpperBound();
	double middlePointLeft = lowerDomain + (upperDomain - lowerDomain) * partToLeft;
	double width = (upperDomain - lowerDomain) * zoomFactor;
	Range domainRange = new Range(middlePointLeft - width / 2d, middlePointLeft + width / 2d);
	for (String axisName : axisNameResolver.resolveXAxis(axisIndex)) {
		selectionObject.addDelimiter(axisName, domainRange);
	}
}
 

import org.jfree.chart.axis.ValueAxis; //導入方法依賴的package包/類
/**
 * Draws the domain tick bands, if any.
 *
 * @param g2  the graphics device.
 * @param dataArea  the data area.
 * @param ticks  the ticks.
 */
public void drawDomainTickBands(Graphics2D g2, Rectangle2D dataArea, List ticks) {
    // draw the domain tick bands, if any...
    Paint bandPaint = getDomainTickBandPaint();
    if (bandPaint != null) {
        boolean fillBand = false;
        final ValueAxis xAxis = getDomainAxis();
        double previous = xAxis.getLowerBound();
        Iterator iterator = ticks.iterator();
        while (iterator.hasNext()) {
            ValueTick tick = (ValueTick) iterator.next();
            double current = tick.getValue();
            if (fillBand) {
                getRenderer().fillDomainGridBand(g2, this, xAxis, dataArea, previous, current);
            }
            previous = current;
            fillBand = !fillBand;
        }
        double end = xAxis.getUpperBound();
        if (fillBand) {
            getRenderer().fillDomainGridBand(g2, this, xAxis, dataArea, previous, end);
        }
    }
}
 

import org.jfree.chart.axis.ValueAxis; //導入方法依賴的package包/類
/**
 * Draws the range tick bands, if any.
 *
 * @param g2  the graphics device.
 * @param dataArea  the data area.
 * @param ticks  the ticks.
 */
public void drawRangeTickBands(Graphics2D g2, Rectangle2D dataArea, List ticks) {

    // draw the range tick bands, if any...
    Paint bandPaint = getRangeTickBandPaint();
    if (bandPaint != null) {
        boolean fillBand = false;
        final ValueAxis axis = getRangeAxis();
        double previous = axis.getLowerBound();
        Iterator iterator = ticks.iterator();
        while (iterator.hasNext()) {
            ValueTick tick = (ValueTick) iterator.next();
            double current = tick.getValue();
            if (fillBand) {
                getRenderer().fillRangeGridBand(g2, this, axis, dataArea, previous, current);
            }
            previous = current;
            fillBand = !fillBand;
        }
        double end = axis.getUpperBound();
        if (fillBand) {
            getRenderer().fillRangeGridBand(g2, this, axis, dataArea, previous, end);
        }
    }
}
 

import org.jfree.chart.axis.ValueAxis; //導入方法依賴的package包/類
/**
 * Restores the auto-range calculation on the domain axis.
 */

public void selectCompleteDomainBounds() {
	Plot plot = this.chart.getPlot();
	if (plot instanceof Zoomable) {
		Zoomable z = (Zoomable) plot;
		// here we tweak the notify flag on the plot so that only
		// one notification happens even though we update multiple
		// axes...
		boolean savedNotify = plot.isNotify();
		plot.setNotify(false);
		// we need to guard against this.zoomPoint being null
		Point2D zp = this.zoomPoint != null ? this.zoomPoint : new Point();
		z.zoomDomainAxes(0.0, this.info.getPlotInfo(), zp);
		plot.setNotify(savedNotify);

		if (plot instanceof XYPlot) {
			XYPlot xyPlot = (XYPlot) plot;
			Selection selectionObject = new Selection();
			for (int i = 0; i < xyPlot.getDomainAxisCount(); i++) {
				ValueAxis domain = xyPlot.getDomainAxis(i);
				Range axisRange = new Range(domain.getLowerBound(), domain.getUpperBound());
				for (String axisName : axisNameResolver.resolveXAxis(i)) {
					selectionObject.addDelimiter(axisName, axisRange);
				}
			}
			informSelectionListener(selectionObject, null);
		}
	}
}
 

import org.jfree.chart.axis.ValueAxis; //導入方法依賴的package包/類
/**
 * Restores the auto-range calculation on the range axis.
 */

public void selectCompleteRangeBounds() {
	Plot plot = this.chart.getPlot();
	if (plot instanceof Zoomable) {
		Zoomable z = (Zoomable) plot;
		// here we tweak the notify flag on the plot so that only
		// one notification happens even though we update multiple
		// axes...
		boolean savedNotify = plot.isNotify();
		plot.setNotify(false);
		// we need to guard against this.zoomPoint being null
		Point2D zp = this.zoomPoint != null ? this.zoomPoint : new Point();
		z.zoomRangeAxes(0.0, this.info.getPlotInfo(), zp);
		plot.setNotify(savedNotify);

		if (plot instanceof XYPlot) {
			XYPlot xyPlot = (XYPlot) plot;
			Selection selectionObject = new Selection();
			for (int i = 0; i < xyPlot.getRangeAxisCount(); i++) {
				ValueAxis range = xyPlot.getRangeAxis(i);
				Range axisRange = new Range(range.getLowerBound(), range.getUpperBound());
				for (String axisName : axisNameResolver.resolveYAxis(i)) {
					selectionObject.addDelimiter(axisName, axisRange);
				}
			}
			informSelectionListener(selectionObject, null);
		}
	}
}
 

import org.jfree.chart.axis.ValueAxis; //導入方法依賴的package包/類
/**
 * Initialises the renderer then returns the number of 'passes' through the data that the
 * renderer will require (usually just one).  This method will be called before the first
 * item is rendered, giving the renderer an opportunity to initialise any
 * state information it wants to maintain.  The renderer can do nothing if it chooses.
 *
 * @param g2  the graphics device.
 * @param dataArea  the area inside the axes.
 * @param plot  the plot.
 * @param dataset  the data.
 * @param info  an optional info collection object to return data back to the caller.
 *
 * @return The number of passes the renderer requires.
 */
public XYItemRendererState initialise(Graphics2D g2,
                                      Rectangle2D dataArea,
                                      XYPlot plot,
                                      XYDataset dataset,
                                      PlotRenderingInfo info) {
      
    // calculate the maximum allowed candle width from the axis...
    ValueAxis axis = plot.getDomainAxis();
    double x1 = axis.getLowerBound();
    double x2 = x1 + this.maxCandleWidthInMilliseconds;
    RectangleEdge edge = plot.getDomainAxisEdge();
    double xx1 = axis.valueToJava2D(x1, dataArea, edge);
    double xx2 = axis.valueToJava2D(x2, dataArea, edge);
    this.maxCandleWidth = Math.abs(xx2 - xx1); // Absolute value, since the relative x 
                                     // positions are reversed for horizontal orientation
    
    // calculate the highest volume in the dataset... 
    if (this.drawVolume) {
        OHLCDataset highLowDataset = (OHLCDataset) dataset;
        this.maxVolume = 0.0;
        for (int series = 0; series < highLowDataset.getSeriesCount(); series++) {
            for (int item = 0; item < highLowDataset.getItemCount(series); item++) {
                double volume = highLowDataset.getVolumeValue(series, item);
                if (volume > this.maxVolume) {
                    this.maxVolume = volume;
                }
                
            }    
        }
    }
    
    return new XYItemRendererState(info);
}
 

import org.jfree.chart.axis.ValueAxis; //導入方法依賴的package包/類
/**
 * Initialises the renderer then returns the number of 'passes' through the
 * data that the renderer will require (usually just one).  This method 
 * will be called before the first item is rendered, giving the renderer 
 * an opportunity to initialise any state information it wants to maintain.
 * The renderer can do nothing if it chooses.
 *
 * @param g2  the graphics device.
 * @param dataArea  the area inside the axes.
 * @param plot  the plot.
 * @param dataset  the data.
 * @param info  an optional info collection object to return data back to 
 *              the caller.
 *
 * @return The number of passes the renderer requires.
 */
public XYItemRendererState initialise(Graphics2D g2,
                                      Rectangle2D dataArea,
                                      XYPlot plot,
                                      XYDataset dataset,
                                      PlotRenderingInfo info) {
      
    // calculate the maximum allowed candle width from the axis...
    ValueAxis axis = plot.getDomainAxis();
    double x1 = axis.getLowerBound();
    double x2 = x1 + this.maxCandleWidthInMilliseconds;
    RectangleEdge edge = plot.getDomainAxisEdge();
    double xx1 = axis.valueToJava2D(x1, dataArea, edge);
    double xx2 = axis.valueToJava2D(x2, dataArea, edge);
    this.maxCandleWidth = Math.abs(xx2 - xx1); 
        // Absolute value, since the relative x 
        // positions are reversed for horizontal orientation
    
    // calculate the highest volume in the dataset... 
    if (this.drawVolume) {
        OHLCDataset highLowDataset = (OHLCDataset) dataset;
        this.maxVolume = 0.0;
        for (int series = 0; series < highLowDataset.getSeriesCount(); 
             series++) {
            for (int item = 0; item < highLowDataset.getItemCount(series); 
                 item++) {
                double volume = highLowDataset.getVolumeValue(series, item);
                if (volume > this.maxVolume) {
                    this.maxVolume = volume;
                }
                
            }    
        }
    }
    
    return new XYItemRendererState(info);
}
 

import org.jfree.chart.axis.ValueAxis; //導入方法依賴的package包/類
/**
 * Draw the radial gridlines - the rings.
 * 
 * @param g2  the drawing surface.
 * @param plot  the plot.
 * @param radialAxis  the radial axis.
 * @param ticks  the ticks.
 * @param dataArea  the data area.
 */
public void drawRadialGridLines(Graphics2D g2, 
                                PolarPlot plot,
                                ValueAxis radialAxis,
                                List ticks,
                                Rectangle2D dataArea) {
    
    g2.setFont(radialAxis.getTickLabelFont());
    g2.setPaint(plot.getRadiusGridlinePaint());
    g2.setStroke(plot.getRadiusGridlineStroke());

    double axisMin = radialAxis.getLowerBound();
    Point center = plot.translateValueThetaRadiusToJava2D(axisMin, axisMin,
            dataArea);
    
    Iterator iterator = ticks.iterator();
    while (iterator.hasNext()) {
        NumberTick tick = (NumberTick) iterator.next();
        Point p = plot.translateValueThetaRadiusToJava2D(90.0, 
                tick.getNumber().doubleValue(), dataArea);
        int r = p.x - center.x;
        int upperLeftX = center.x - r;
        int upperLeftY = center.y - r;
        int d = 2 * r;
        Ellipse2D ring = new Ellipse2D.Double(upperLeftX, upperLeftY, d, d);
        g2.setPaint(plot.getRadiusGridlinePaint());
        g2.draw(ring);
    }
}
 

import org.jfree.chart.axis.ValueAxis; //導入方法依賴的package包/類
/**
 * Draws the domain tick bands, if any.
 *
 * @param g2  the graphics device.
 * @param dataArea  the data area.
 * @param ticks  the ticks.
 * 
 * @see #setDomainTickBandPaint(Paint)
 */
public void drawDomainTickBands(Graphics2D g2, Rectangle2D dataArea,
                                List ticks) {
    // draw the domain tick bands, if any...
    Paint bandPaint = getDomainTickBandPaint();
    if (bandPaint != null) {
        boolean fillBand = false;
        ValueAxis xAxis = getDomainAxis();
        double previous = xAxis.getLowerBound();
        Iterator iterator = ticks.iterator();
        while (iterator.hasNext()) {
            ValueTick tick = (ValueTick) iterator.next();
            double current = tick.getValue();
            if (fillBand) {
                getRenderer().fillDomainGridBand(g2, this, xAxis, dataArea,
                        previous, current);
            }
            previous = current;
            fillBand = !fillBand;
        }
        double end = xAxis.getUpperBound();
        if (fillBand) {
            getRenderer().fillDomainGridBand(g2, this, xAxis, dataArea, 
                    previous, end);
        }
    }
}
 

import org.jfree.chart.axis.ValueAxis; //導入方法依賴的package包/類
/**
 * Draws the range tick bands, if any.
 *
 * @param g2  the graphics device.
 * @param dataArea  the data area.
 * @param ticks  the ticks.
 * 
 * @see #setRangeTickBandPaint(Paint)
 */
public void drawRangeTickBands(Graphics2D g2, Rectangle2D dataArea,
                               List ticks) {

    // draw the range tick bands, if any...
    Paint bandPaint = getRangeTickBandPaint();
    if (bandPaint != null) {
        boolean fillBand = false;
        ValueAxis axis = getRangeAxis();
        double previous = axis.getLowerBound();
        Iterator iterator = ticks.iterator();
        while (iterator.hasNext()) {
            ValueTick tick = (ValueTick) iterator.next();
            double current = tick.getValue();
            if (fillBand) {
                getRenderer().fillRangeGridBand(g2, this, axis, dataArea, 
                        previous, current);
            }
            previous = current;
            fillBand = !fillBand;
        }
        double end = axis.getUpperBound();
        if (fillBand) {
            getRenderer().fillRangeGridBand(g2, this, axis, dataArea, 
                    previous, end);
        }
    }
}