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JFreeChart is a class library, written in Java, for generating charts.
Utilising the Java2D API, it supports a wide range of chart types including
bar charts, pie charts, line charts, XY-plots, time series plots, Sankey charts
and more.
/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-present, by David Gilbert and Contributors.
*
* Project Info: http://www.jfree.org/jfreechart/index.html
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.]
*
* ----------------------
* StandardDialScale.java
* ----------------------
* (C) Copyright 2006-present, by David Gilbert.
*
* Original Author: David Gilbert;
* Contributor(s): -;
*
*/
package org.jfree.chart.plot.dial;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.Paint;
import java.awt.Stroke;
import java.awt.geom.Arc2D;
import java.awt.geom.Line2D;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import org.jfree.chart.text.TextUtils;
import org.jfree.chart.ui.TextAnchor;
import org.jfree.chart.util.PaintUtils;
import org.jfree.chart.util.Args;
import org.jfree.chart.util.PublicCloneable;
import org.jfree.chart.util.SerialUtils;
/**
* A scale for a {@link DialPlot}.
*/
public class StandardDialScale extends AbstractDialLayer implements DialScale,
Cloneable, PublicCloneable, Serializable {
/** For serialization. */
static final long serialVersionUID = 3715644629665918516L;
/** The minimum data value for the scale. */
private double lowerBound;
/** The maximum data value for the scale. */
private double upperBound;
/**
* The start angle for the scale display, in degrees (using the same
* encoding as Arc2D).
*/
private double startAngle;
/** The extent of the scale display. */
private double extent;
/**
* The factor (in the range 0.0 to 1.0) that determines the outside limit
* of the tick marks.
*/
private double tickRadius;
/**
* The increment (in data units) between major tick marks.
*/
private double majorTickIncrement;
/**
* The factor that is subtracted from the tickRadius to determine the
* inner point of the major ticks.
*/
private double majorTickLength;
/**
* The paint to use for major tick marks. This field is transient because
* it requires special handling for serialization.
*/
private transient Paint majorTickPaint;
/**
* The stroke to use for major tick marks. This field is transient because
* it requires special handling for serialization.
*/
private transient Stroke majorTickStroke;
/**
* The number of minor ticks between each major tick.
*/
private int minorTickCount;
/**
* The factor that is subtracted from the tickRadius to determine the
* inner point of the minor ticks.
*/
private double minorTickLength;
/**
* The paint to use for minor tick marks. This field is transient because
* it requires special handling for serialization.
*/
private transient Paint minorTickPaint;
/**
* The stroke to use for minor tick marks. This field is transient because
* it requires special handling for serialization.
*/
private transient Stroke minorTickStroke;
/**
* The tick label offset.
*/
private double tickLabelOffset;
/**
* The tick label font.
*/
private Font tickLabelFont;
/**
* A flag that controls whether or not the tick labels are
* displayed.
*/
private boolean tickLabelsVisible;
/**
* The number formatter for the tick labels.
*/
private NumberFormat tickLabelFormatter;
/**
* A flag that controls whether or not the first tick label is
* displayed.
*/
private boolean firstTickLabelVisible;
/**
* The tick label paint. This field is transient because it requires
* special handling for serialization.
*/
private transient Paint tickLabelPaint;
/**
* Creates a new instance of DialScale.
*/
public StandardDialScale() {
this(0.0, 100.0, 175, -170, 10.0, 4);
}
/**
* Creates a new instance.
*
* @param lowerBound the lower bound of the scale.
* @param upperBound the upper bound of the scale.
* @param startAngle the start angle (in degrees, using the same
* orientation as Java's {@code Arc2D} class).
* @param extent the extent (in degrees, counter-clockwise).
* @param majorTickIncrement the interval between major tick marks (must
* be > 0).
* @param minorTickCount the number of minor ticks between major tick
* marks.
*/
public StandardDialScale(double lowerBound, double upperBound,
double startAngle, double extent, double majorTickIncrement,
int minorTickCount) {
if (majorTickIncrement <= 0.0) {
throw new IllegalArgumentException(
"Requires 'majorTickIncrement' > 0.");
}
this.startAngle = startAngle;
this.extent = extent;
this.lowerBound = lowerBound;
this.upperBound = upperBound;
this.tickRadius = 0.70;
this.tickLabelsVisible = true;
this.tickLabelFormatter = new DecimalFormat("0.0");
this.firstTickLabelVisible = true;
this.tickLabelFont = new Font("Dialog", Font.BOLD, 16);
this.tickLabelPaint = Color.BLUE;
this.tickLabelOffset = 0.10;
this.majorTickIncrement = majorTickIncrement;
this.majorTickLength = 0.04;
this.majorTickPaint = Color.BLACK;
this.majorTickStroke = new BasicStroke(3.0f);
this.minorTickCount = minorTickCount;
this.minorTickLength = 0.02;
this.minorTickPaint = Color.BLACK;
this.minorTickStroke = new BasicStroke(1.0f);
}
/**
* Returns the lower bound for the scale.
*
* @return The lower bound for the scale.
*
* @see #setLowerBound(double)
*/
public double getLowerBound() {
return this.lowerBound;
}
/**
* Sets the lower bound for the scale and sends a
* {@link DialLayerChangeEvent} to all registered listeners.
*
* @param lower the lower bound.
*
* @see #getLowerBound()
*/
public void setLowerBound(double lower) {
this.lowerBound = lower;
notifyListeners(new DialLayerChangeEvent(this));
}
/**
* Returns the upper bound for the scale.
*
* @return The upper bound for the scale.
*
* @see #setUpperBound(double)
*/
public double getUpperBound() {
return this.upperBound;
}
/**
* Sets the upper bound for the scale and sends a
* {@link DialLayerChangeEvent} to all registered listeners.
*
* @param upper the upper bound.
*
* @see #getUpperBound()
*/
public void setUpperBound(double upper) {
this.upperBound = upper;
notifyListeners(new DialLayerChangeEvent(this));
}
/**
* Returns the start angle for the scale (in degrees using the same
* orientation as Java's {@code Arc2D} class).
*
* @return The start angle.
*
* @see #setStartAngle(double)
*/
public double getStartAngle() {
return this.startAngle;
}
/**
* Sets the start angle for the scale and sends a
* {@link DialLayerChangeEvent} to all registered listeners.
*
* @param angle the angle (in degrees).
*
* @see #getStartAngle()
*/
public void setStartAngle(double angle) {
this.startAngle = angle;
notifyListeners(new DialLayerChangeEvent(this));
}
/**
* Returns the extent.
*
* @return The extent.
*
* @see #setExtent(double)
*/
public double getExtent() {
return this.extent;
}
/**
* Sets the extent and sends a {@link DialLayerChangeEvent} to all
* registered listeners.
*
* @param extent the extent.
*
* @see #getExtent()
*/
public void setExtent(double extent) {
this.extent = extent;
notifyListeners(new DialLayerChangeEvent(this));
}
/**
* Returns the radius (as a percentage of the maximum space available) of
* the outer limit of the tick marks.
*
* @return The tick radius.
*
* @see #setTickRadius(double)
*/
public double getTickRadius() {
return this.tickRadius;
}
/**
* Sets the tick radius and sends a {@link DialLayerChangeEvent} to all
* registered listeners.
*
* @param radius the radius.
*
* @see #getTickRadius()
*/
public void setTickRadius(double radius) {
if (radius <= 0.0) {
throw new IllegalArgumentException(
"The 'radius' must be positive.");
}
this.tickRadius = radius;
notifyListeners(new DialLayerChangeEvent(this));
}
/**
* Returns the increment (in data units) between major tick labels.
*
* @return The increment between major tick labels.
*
* @see #setMajorTickIncrement(double)
*/
public double getMajorTickIncrement() {
return this.majorTickIncrement;
}
/**
* Sets the increment (in data units) between major tick labels and sends a
* {@link DialLayerChangeEvent} to all registered listeners.
*
* @param increment the increment (must be > 0).
*
* @see #getMajorTickIncrement()
*/
public void setMajorTickIncrement(double increment) {
if (increment <= 0.0) {
throw new IllegalArgumentException(
"The 'increment' must be positive.");
}
this.majorTickIncrement = increment;
notifyListeners(new DialLayerChangeEvent(this));
}
/**
* Returns the length factor for the major tick marks. The value is
* subtracted from the tick radius to determine the inner starting point
* for the tick marks.
*
* @return The length factor.
*
* @see #setMajorTickLength(double)
*/
public double getMajorTickLength() {
return this.majorTickLength;
}
/**
* Sets the length factor for the major tick marks and sends a
* {@link DialLayerChangeEvent} to all registered listeners.
*
* @param length the length.
*
* @see #getMajorTickLength()
*/
public void setMajorTickLength(double length) {
if (length < 0.0) {
throw new IllegalArgumentException("Negative 'length' argument.");
}
this.majorTickLength = length;
notifyListeners(new DialLayerChangeEvent(this));
}
/**
* Returns the major tick paint.
*
* @return The major tick paint (never {@code null}).
*
* @see #setMajorTickPaint(Paint)
*/
public Paint getMajorTickPaint() {
return this.majorTickPaint;
}
/**
* Sets the major tick paint and sends a {@link DialLayerChangeEvent} to
* all registered listeners.
*
* @param paint the paint ({@code null} not permitted).
*
* @see #getMajorTickPaint()
*/
public void setMajorTickPaint(Paint paint) {
Args.nullNotPermitted(paint, "paint");
this.majorTickPaint = paint;
notifyListeners(new DialLayerChangeEvent(this));
}
/**
* Returns the stroke used to draw the major tick marks.
*
* @return The stroke (never {@code null}).
*
* @see #setMajorTickStroke(Stroke)
*/
public Stroke getMajorTickStroke() {
return this.majorTickStroke;
}
/**
* Sets the stroke used to draw the major tick marks and sends a
* {@link DialLayerChangeEvent} to all registered listeners.
*
* @param stroke the stroke ({@code null} not permitted).
*
* @see #getMajorTickStroke()
*/
public void setMajorTickStroke(Stroke stroke) {
Args.nullNotPermitted(stroke, "stroke");
this.majorTickStroke = stroke;
notifyListeners(new DialLayerChangeEvent(this));
}
/**
* Returns the number of minor tick marks between major tick marks.
*
* @return The number of minor tick marks between major tick marks.
*
* @see #setMinorTickCount(int)
*/
public int getMinorTickCount() {
return this.minorTickCount;
}
/**
* Sets the number of minor tick marks between major tick marks and sends
* a {@link DialLayerChangeEvent} to all registered listeners.
*
* @param count the count.
*
* @see #getMinorTickCount()
*/
public void setMinorTickCount(int count) {
if (count < 0) {
throw new IllegalArgumentException(
"The 'count' cannot be negative.");
}
this.minorTickCount = count;
notifyListeners(new DialLayerChangeEvent(this));
}
/**
* Returns the length factor for the minor tick marks. The value is
* subtracted from the tick radius to determine the inner starting point
* for the tick marks.
*
* @return The length factor.
*
* @see #setMinorTickLength(double)
*/
public double getMinorTickLength() {
return this.minorTickLength;
}
/**
* Sets the length factor for the minor tick marks and sends
* a {@link DialLayerChangeEvent} to all registered listeners.
*
* @param length the length.
*
* @see #getMinorTickLength()
*/
public void setMinorTickLength(double length) {
if (length < 0.0) {
throw new IllegalArgumentException("Negative 'length' argument.");
}
this.minorTickLength = length;
notifyListeners(new DialLayerChangeEvent(this));
}
/**
* Returns the paint used to draw the minor tick marks.
*
* @return The paint (never {@code null}).
*
* @see #setMinorTickPaint(Paint)
*/
public Paint getMinorTickPaint() {
return this.minorTickPaint;
}
/**
* Sets the paint used to draw the minor tick marks and sends a
* {@link DialLayerChangeEvent} to all registered listeners.
*
* @param paint the paint ({@code null} not permitted).
*
* @see #getMinorTickPaint()
*/
public void setMinorTickPaint(Paint paint) {
Args.nullNotPermitted(paint, "paint");
this.minorTickPaint = paint;
notifyListeners(new DialLayerChangeEvent(this));
}
/**
* Returns the stroke used to draw the minor tick marks.
*
* @return The paint (never {@code null}).
*
* @see #setMinorTickStroke(Stroke)
*/
public Stroke getMinorTickStroke() {
return this.minorTickStroke;
}
/**
* Sets the stroke used to draw the minor tick marks and sends a
* {@link DialLayerChangeEvent} to all registered listeners.
*
* @param stroke the stroke ({@code null} not permitted).
*
* @see #getMinorTickStroke()
*/
public void setMinorTickStroke(Stroke stroke) {
Args.nullNotPermitted(stroke, "stroke");
this.minorTickStroke = stroke;
notifyListeners(new DialLayerChangeEvent(this));
}
/**
* Returns the tick label offset.
*
* @return The tick label offset.
*
* @see #setTickLabelOffset(double)
*/
public double getTickLabelOffset() {
return this.tickLabelOffset;
}
/**
* Sets the tick label offset and sends a {@link DialLayerChangeEvent} to
* all registered listeners.
*
* @param offset the offset.
*
* @see #getTickLabelOffset()
*/
public void setTickLabelOffset(double offset) {
this.tickLabelOffset = offset;
notifyListeners(new DialLayerChangeEvent(this));
}
/**
* Returns the font used to draw the tick labels.
*
* @return The font (never {@code null}).
*
* @see #setTickLabelFont(Font)
*/
public Font getTickLabelFont() {
return this.tickLabelFont;
}
/**
* Sets the font used to display the tick labels and sends a
* {@link DialLayerChangeEvent} to all registered listeners.
*
* @param font the font ({@code null} not permitted).
*
* @see #getTickLabelFont()
*/
public void setTickLabelFont(Font font) {
Args.nullNotPermitted(font, "font");
this.tickLabelFont = font;
notifyListeners(new DialLayerChangeEvent(this));
}
/**
* Returns the paint used to draw the tick labels.
*
* @return The paint ({@code null} not permitted).
*
* @see #setTickLabelPaint(Paint)
*/
public Paint getTickLabelPaint() {
return this.tickLabelPaint;
}
/**
* Sets the paint used to draw the tick labels and sends a
* {@link DialLayerChangeEvent} to all registered listeners.
*
* @param paint the paint ({@code null} not permitted).
*/
public void setTickLabelPaint(Paint paint) {
Args.nullNotPermitted(paint, "paint");
this.tickLabelPaint = paint;
notifyListeners(new DialLayerChangeEvent(this));
}
/**
* Returns {@code true} if the tick labels should be displayed,
* and {@code false} otherwise.
*
* @return A boolean.
*
* @see #setTickLabelsVisible(boolean)
*/
public boolean getTickLabelsVisible() {
return this.tickLabelsVisible;
}
/**
* Sets the flag that controls whether or not the tick labels are
* displayed, and sends a {@link DialLayerChangeEvent} to all registered
* listeners.
*
* @param visible the new flag value.
*
* @see #getTickLabelsVisible()
*/
public void setTickLabelsVisible(boolean visible) {
this.tickLabelsVisible = visible;
notifyListeners(new DialLayerChangeEvent(this));
}
/**
* Returns the number formatter used to convert the tick label values to
* strings.
*
* @return The formatter (never {@code null}).
*
* @see #setTickLabelFormatter(NumberFormat)
*/
public NumberFormat getTickLabelFormatter() {
return this.tickLabelFormatter;
}
/**
* Sets the number formatter used to convert the tick label values to
* strings, and sends a {@link DialLayerChangeEvent} to all registered
* listeners.
*
* @param formatter the formatter ({@code null} not permitted).
*
* @see #getTickLabelFormatter()
*/
public void setTickLabelFormatter(NumberFormat formatter) {
Args.nullNotPermitted(formatter, "formatter");
this.tickLabelFormatter = formatter;
notifyListeners(new DialLayerChangeEvent(this));
}
/**
* Returns a flag that controls whether or not the first tick label is
* visible.
*
* @return A boolean.
*
* @see #setFirstTickLabelVisible(boolean)
*/
public boolean getFirstTickLabelVisible() {
return this.firstTickLabelVisible;
}
/**
* Sets a flag that controls whether or not the first tick label is
* visible, and sends a {@link DialLayerChangeEvent} to all registered
* listeners.
*
* @param visible the new flag value.
*
* @see #getFirstTickLabelVisible()
*/
public void setFirstTickLabelVisible(boolean visible) {
this.firstTickLabelVisible = visible;
notifyListeners(new DialLayerChangeEvent(this));
}
/**
* Returns {@code true} to indicate that this layer should be
* clipped within the dial window.
*
* @return {@code true}.
*/
@Override
public boolean isClippedToWindow() {
return true;
}
/**
* Draws the scale on the dial plot.
*
* @param g2 the graphics target ({@code null} not permitted).
* @param plot the dial plot ({@code null} not permitted).
* @param frame the reference frame that is used to construct the
* geometry of the plot ({@code null} not permitted).
* @param view the visible part of the plot ({@code null} not
* permitted).
*/
@Override
public void draw(Graphics2D g2, DialPlot plot, Rectangle2D frame,
Rectangle2D view) {
Rectangle2D arcRect = DialPlot.rectangleByRadius(frame,
this.tickRadius, this.tickRadius);
Rectangle2D arcRectMajor = DialPlot.rectangleByRadius(frame,
this.tickRadius - this.majorTickLength,
this.tickRadius - this.majorTickLength);
Rectangle2D arcRectMinor = arcRect;
if (this.minorTickCount > 0 && this.minorTickLength > 0.0) {
arcRectMinor = DialPlot.rectangleByRadius(frame,
this.tickRadius - this.minorTickLength,
this.tickRadius - this.minorTickLength);
}
Rectangle2D arcRectForLabels = DialPlot.rectangleByRadius(frame,
this.tickRadius - this.tickLabelOffset,
this.tickRadius - this.tickLabelOffset);
boolean firstLabel = true;
Arc2D arc = new Arc2D.Double();
Line2D workingLine = new Line2D.Double();
for (double v = this.lowerBound; v <= this.upperBound;
v += this.majorTickIncrement) {
arc.setArc(arcRect, this.startAngle, valueToAngle(v)
- this.startAngle, Arc2D.OPEN);
Point2D pt0 = arc.getEndPoint();
arc.setArc(arcRectMajor, this.startAngle, valueToAngle(v)
- this.startAngle, Arc2D.OPEN);
Point2D pt1 = arc.getEndPoint();
g2.setPaint(this.majorTickPaint);
g2.setStroke(this.majorTickStroke);
workingLine.setLine(pt0, pt1);
g2.draw(workingLine);
arc.setArc(arcRectForLabels, this.startAngle, valueToAngle(v)
- this.startAngle, Arc2D.OPEN);
Point2D pt2 = arc.getEndPoint();
if (this.tickLabelsVisible) {
if (!firstLabel || this.firstTickLabelVisible) {
g2.setFont(this.tickLabelFont);
g2.setPaint(this.tickLabelPaint);
TextUtils.drawAlignedString(
this.tickLabelFormatter.format(v), g2,
(float) pt2.getX(), (float) pt2.getY(),
TextAnchor.CENTER);
}
}
firstLabel = false;
// now do the minor tick marks
if (this.minorTickCount > 0 && this.minorTickLength > 0.0) {
double minorTickIncrement = this.majorTickIncrement
/ (this.minorTickCount + 1);
for (int i = 0; i < this.minorTickCount; i++) {
double vv = v + ((i + 1) * minorTickIncrement);
if (vv >= this.upperBound) {
break;
}
double angle = valueToAngle(vv);
arc.setArc(arcRect, this.startAngle, angle
- this.startAngle, Arc2D.OPEN);
pt0 = arc.getEndPoint();
arc.setArc(arcRectMinor, this.startAngle, angle
- this.startAngle, Arc2D.OPEN);
Point2D pt3 = arc.getEndPoint();
g2.setStroke(this.minorTickStroke);
g2.setPaint(this.minorTickPaint);
workingLine.setLine(pt0, pt3);
g2.draw(workingLine);
}
}
}
}
/**
* Converts a data value to an angle against this scale.
*
* @param value the data value.
*
* @return The angle (in degrees, using the same specification as Java's
* Arc2D class).
*
* @see #angleToValue(double)
*/
@Override
public double valueToAngle(double value) {
double range = this.upperBound - this.lowerBound;
double unit = this.extent / range;
return this.startAngle + unit * (value - this.lowerBound);
}
/**
* Converts the given angle to a data value, based on this scale.
*
* @param angle the angle (in degrees).
*
* @return The data value.
*
* @see #valueToAngle(double)
*/
@Override
public double angleToValue(double angle) {
double range = this.upperBound - this.lowerBound;
double unit = range / this.extent;
return (angle - this.startAngle) * unit;
}
/**
* Tests this {@code StandardDialScale} for equality with an arbitrary
* object.
*
* @param obj the object ({@code null} permitted).
*
* @return A boolean.
*/
@Override
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (!(obj instanceof StandardDialScale)) {
return false;
}
StandardDialScale that = (StandardDialScale) obj;
if (this.lowerBound != that.lowerBound) {
return false;
}
if (this.upperBound != that.upperBound) {
return false;
}
if (this.startAngle != that.startAngle) {
return false;
}
if (this.extent != that.extent) {
return false;
}
if (this.tickRadius != that.tickRadius) {
return false;
}
if (this.majorTickIncrement != that.majorTickIncrement) {
return false;
}
if (this.majorTickLength != that.majorTickLength) {
return false;
}
if (!PaintUtils.equal(this.majorTickPaint, that.majorTickPaint)) {
return false;
}
if (!this.majorTickStroke.equals(that.majorTickStroke)) {
return false;
}
if (this.minorTickCount != that.minorTickCount) {
return false;
}
if (this.minorTickLength != that.minorTickLength) {
return false;
}
if (!PaintUtils.equal(this.minorTickPaint, that.minorTickPaint)) {
return false;
}
if (!this.minorTickStroke.equals(that.minorTickStroke)) {
return false;
}
if (this.tickLabelsVisible != that.tickLabelsVisible) {
return false;
}
if (this.tickLabelOffset != that.tickLabelOffset) {
return false;
}
if (!this.tickLabelFont.equals(that.tickLabelFont)) {
return false;
}
if (!PaintUtils.equal(this.tickLabelPaint, that.tickLabelPaint)) {
return false;
}
return super.equals(obj);
}
/**
* Returns a hash code for this instance.
*
* @return A hash code.
*/
@Override
public int hashCode() {
int result = 193;
// lowerBound
long temp = Double.doubleToLongBits(this.lowerBound);
result = 37 * result + (int) (temp ^ (temp >>> 32));
// upperBound
temp = Double.doubleToLongBits(this.upperBound);
result = 37 * result + (int) (temp ^ (temp >>> 32));
// startAngle
temp = Double.doubleToLongBits(this.startAngle);
result = 37 * result + (int) (temp ^ (temp >>> 32));
// extent
temp = Double.doubleToLongBits(this.extent);
result = 37 * result + (int) (temp ^ (temp >>> 32));
// tickRadius
temp = Double.doubleToLongBits(this.tickRadius);
result = 37 * result + (int) (temp ^ (temp >>> 32));
// majorTickIncrement
// majorTickLength
// majorTickPaint
// majorTickStroke
// minorTickCount
// minorTickLength
// minorTickPaint
// minorTickStroke
// tickLabelOffset
// tickLabelFont
// tickLabelsVisible
// tickLabelFormatter
// firstTickLabelsVisible
return result;
}
/**
* Returns a clone of this instance.
*
* @return A clone.
*
* @throws CloneNotSupportedException if this instance is not cloneable.
*/
@Override
public Object clone() throws CloneNotSupportedException {
return super.clone();
}
/**
* Provides serialization support.
*
* @param stream the output stream.
*
* @throws IOException if there is an I/O error.
*/
private void writeObject(ObjectOutputStream stream) throws IOException {
stream.defaultWriteObject();
SerialUtils.writePaint(this.majorTickPaint, stream);
SerialUtils.writeStroke(this.majorTickStroke, stream);
SerialUtils.writePaint(this.minorTickPaint, stream);
SerialUtils.writeStroke(this.minorTickStroke, stream);
SerialUtils.writePaint(this.tickLabelPaint, stream);
}
/**
* Provides serialization support.
*
* @param stream the input stream.
*
* @throws IOException if there is an I/O error.
* @throws ClassNotFoundException if there is a classpath problem.
*/
private void readObject(ObjectInputStream stream)
throws IOException, ClassNotFoundException {
stream.defaultReadObject();
this.majorTickPaint = SerialUtils.readPaint(stream);
this.majorTickStroke = SerialUtils.readStroke(stream);
this.minorTickPaint = SerialUtils.readPaint(stream);
this.minorTickStroke = SerialUtils.readStroke(stream);
this.tickLabelPaint = SerialUtils.readPaint(stream);
}
}
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