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/* ===========================================================
* Orson Charts : a 3D chart library for the Java(tm) platform
* ===========================================================
*
* (C)opyright 2013-2020, by Object Refinery Limited. All rights reserved.
*
* https://github.com/jfree/orson-charts
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*
* [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.]
*
* If you do not wish to be bound by the terms of the GPL, an alternative
* commercial license can be purchased. For details, please see visit the
* Orson Charts home page:
*
* http://www.object-refinery.com/orsoncharts/index.html
*
*/
package org.jfree.chart3d.marker;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.Stroke;
import java.awt.geom.Line2D;
import java.awt.geom.Point2D;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import org.jfree.chart3d.data.Range;
import org.jfree.chart3d.graphics2d.Anchor2D;
import org.jfree.chart3d.internal.Args;
import org.jfree.chart3d.internal.ObjectUtils;
import org.jfree.chart3d.internal.SerialUtils;
/**
* A marker used to mark one value on an axis.
*
* NOTE: This class is serializable, but the serialization format is subject
* to change in future releases and should not be relied upon for persisting
* instances of this class.
*
* @since 1.2
*/
@SuppressWarnings("serial")
public class NumberMarker extends AbstractMarker implements ValueMarker,
Serializable {
/** The data value to be marked. */
private double value;
/** The label for the marker (optional). */
private String label;
/** The font for the label. */
private Font font;
/** The color for the label. */
private Color labelColor;
/** The anchor for the label. */
private Anchor2D labelAnchor;
/** The stroke for the marker line. */
private transient Stroke stroke;
/** The color for the marker line. */
private Color lineColor;
/**
* Creates a new marker.
*
* @param value the value.
*/
public NumberMarker(double value) {
super();
this.value = value;
this.label = null;
this.font = DEFAULT_MARKER_FONT;
this.labelColor = DEFAULT_LABEL_COLOR;
this.stroke = DEFAULT_LINE_STROKE;
this.lineColor = DEFAULT_LINE_COLOR;
this.labelAnchor = Anchor2D.CENTER;
}
/**
* Returns the value for the marker (the initial value comes from the
* constructor).
*
* @return The value.
*/
public double getValue() {
return this.value;
}
/**
* Sets the value for the marker and sends a change event to all registered
* listeners.
*
* @param value the value.
*/
public void setValue(double value) {
this.value = value;
fireChangeEvent();
}
/**
* Returns the range for the marker (in this case, a single value range).
* This method is used by the axis to filter out markers that do not touch
* the current axis range.
*
* @return The range for the marker (never {@code null}).
*/
@Override
public Range getRange() {
return new Range(this.value, this.value);
}
/**
* Returns the label for the marker (if this is {@code null} then no
* label is displayed). The default value is {@code null}.
*
* @return The label (possibly {@code null}).
*/
public String getLabel() {
return this.label;
}
/**
* Sets the label and sends a change event to all registered listeners.
*
* @param label the label ({@code null} permitted).
*/
public void setLabel(String label) {
this.label = label;
fireChangeEvent();
}
/**
* Returns the font for the label. The default value is
* {@link Marker#DEFAULT_MARKER_FONT}.
*
* @return The font (never {@code null}).
*/
public Font getFont() {
return this.font;
}
/**
* Sets the font for the marker label and sends a change event to all
* registered listeners.
*
* @param font the font ({@code null} not permitted).
*/
public void setFont(Font font) {
Args.nullNotPermitted(font, "font");
this.font = font;
fireChangeEvent();
}
/**
* Returns the label color. The default value is
* {@link Marker#DEFAULT_LABEL_COLOR}.
*
* @return The label color (never {@code null}).
*/
public Color getLabelColor() {
return this.labelColor;
}
/**
* Sets the label color and sends a change event to all registered
* listeners.
*
* @param color the color ({@code null} not permitted).
*/
public void setLabelColor(Color color) {
Args.nullNotPermitted(color, "color");
this.labelColor = color;
fireChangeEvent();
}
/**
* Returns the anchor for the label. The default value is
* {@link Anchor2D#CENTER}.
*
* @return The anchor for the label.
*/
public Anchor2D getLabelAnchor() {
return this.labelAnchor;
}
/**
* Sets the anchor for the label and sends a change event to all registered
* listeners.
*
* @param anchor the anchor ({@code null} not permitted).
*/
public void setLabelAnchor(Anchor2D anchor) {
Args.nullNotPermitted(anchor, "anchor");
this.labelAnchor = anchor;
fireChangeEvent();
}
/**
* Returns the stroke for the marker line. The default value is
* {@link Marker#DEFAULT_LINE_STROKE}.
*
* @return The stroke for the marker line (never {@code null}).
*/
public Stroke getLineStroke() {
return this.stroke;
}
/**
* Sets the stroke for the marker line and sends a change event to all
* registered listeners.
*
* @param stroke the stroke ({@code null} not permitted).
*/
public void setLineStroke(Stroke stroke) {
Args.nullNotPermitted(stroke, "stroke");
this.stroke = stroke;
fireChangeEvent();
}
/**
* Returns the color for the marker line. The default value is
* {@link Marker#DEFAULT_LINE_COLOR}.
*
* @return The color for the marker line (never {@code null}).
*/
public Color getLineColor() {
return this.lineColor;
}
/**
* Sets the color for the marker line and sends a change event to all
* registered listeners.
*
* @param color the color ({@code null} not permitted).
*/
public void setLineColor(Color color) {
Args.nullNotPermitted(color, "color");
this.lineColor = color;
fireChangeEvent();
}
/**
* Draws the marker. This method is called by the library, you won't
* normally call it directly.
*
* @param g2 the graphics target ({@code null} not permitted).
* @param markerData transient marker data ({@code null} not
* permitted).
*/
@Override
public void draw(Graphics2D g2, MarkerData markerData, boolean reverse) {
MarkerLine line = markerData.getValueLine();
g2.setPaint(this.lineColor);
g2.setStroke(this.stroke);
Line2D l = new Line2D.Double(line.getStartPoint(), line.getEndPoint());
g2.draw(l);
Point2D labelPoint = markerData.getLabelPoint();
if (labelPoint != null) {
g2.setFont(this.font);
g2.setColor(this.labelColor);
drawMarkerLabel(g2, this.label, labelPoint.getX(),
labelPoint.getY(), this.labelAnchor, l, reverse);
}
}
@Override
public int hashCode() {
int hash = 7;
hash = 19 * hash + (int) (Double.doubleToLongBits(this.value)
^ (Double.doubleToLongBits(this.value) >>> 32));
hash = 19 * hash + ObjectUtils.hashCode(this.label);
return hash;
}
@Override
public boolean equals(Object obj) {
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
final NumberMarker other = (NumberMarker) obj;
if (Double.doubleToLongBits(this.value)
!= Double.doubleToLongBits(other.value)) {
return false;
}
if (!ObjectUtils.equals(this.label, other.label)) {
return false;
}
if (!ObjectUtils.equals(this.font, other.font)) {
return false;
}
if (!ObjectUtils.equals(this.labelColor, other.labelColor)) {
return false;
}
if (!ObjectUtils.equals(this.labelAnchor, other.labelAnchor)) {
return false;
}
if (!ObjectUtils.equals(this.stroke, other.stroke)) {
return false;
}
if (!ObjectUtils.equals(this.lineColor, other.lineColor)) {
return false;
}
return true;
}
/**
* 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.writeStroke(this.stroke, 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.stroke = SerialUtils.readStroke(stream);
}
}
