/* ===========================================================
* Orson Charts : a 3D chart library for the Java(tm) platform
* ===========================================================
*
* (C)opyright 2013-2016, by Object Refinery Limited. All rights reserved.
*
* http://www.object-refinery.com/orsoncharts/index.html
*
* 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 <http://www.gnu.org/licenses/>.
*
* [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 com.orsoncharts.axis;
import java.awt.geom.Point2D;
import com.orsoncharts.util.ArgChecks;
/**
* Data related to the tick marks and labels on a chart.
*/
public class TickData {
/** The position along the axis as a percentage. */
private double pos;
/** The key for the tick (used for CategoryAxis3D, null otherwise). */
private Comparable<?> key;
/**
* The label used for the category key (used for CategoryAxis3D, null
* otherwise).
*/
private String keyLabel;
/** The data value (used for ValueAxis3D). */
private double dataValue;
/** The vertex in the ChartBox that is the anchor point for this tick. */
private int vertexIndex;
/** The anchor point. */
private Point2D anchorPt;
/**
* Creates a new instance. This constructor is used for category axes.
*
* @param pos the position along the axis as a percentage of the range.
* @param key the key.
* @param keyLabel the key label.
*/
public TickData(double pos, Comparable<?> key, String keyLabel) {
this.pos = pos;
this.key = key;
this.keyLabel = keyLabel;
this.dataValue = Double.NaN;
this.vertexIndex = -1;
this.anchorPt = null;
}
/**
* Creates a new instance. This constructor is used for numerical axes.
*
* @param pos the position along the axis as a percentage of the range.
* @param dataValue the data value.
*/
public TickData(double pos, double dataValue) {
this.pos = pos;
this.dataValue = dataValue;
this.key = null;
this.keyLabel = null;
this.vertexIndex = -1;
this.anchorPt = null;
}
/**
* Creates a new instance by copying an existing instance but altering
* the vertex index.
*
* @param source a source to copy ({@code null} not permitted).
* @param vertexIndex the vertex index.
*/
public TickData(TickData source, int vertexIndex) {
ArgChecks.nullNotPermitted(source, "source");
this.pos = source.pos;
this.dataValue = source.dataValue;
this.key = source.key;
this.keyLabel = source.keyLabel;
this.anchorPt = source.anchorPt;
this.vertexIndex = vertexIndex;
}
/**
* Returns the position of the tick, as a percentage along the axis (for
* example, 0.5 is halfway along the axis).
*
* @return The position.
*/
public double getPos() {
return this.pos;
}
/**
* Returns the key when the tick data is for a {@link CategoryAxis3D},
* and {@code null} otherwise.
*
* @return The key (possibly {@code null}).
*/
public Comparable<?> getKey() {
return this.key;
}
/**
* Returns the key label.
*
* @return The key label (possibly {@code null}).
*
* @since 1.2
*/
public String getKeyLabel() {
return this.keyLabel;
}
/**
* Returns the data value when the tick data is for a {@link NumberAxis3D},
* and {@code Double.NaN} otherwise.
*
* @return The data value.
*/
public double getDataValue() {
return this.dataValue;
}
/**
* Returns the vertex index that is the anchor point for the tick mark.
*
* @return The vertex index.
*/
public int getVertexIndex() {
return this.vertexIndex;
}
/**
* Sets the vertex index. The vertex is a point in 3D space that is
* the anchor point for the tick mark, after this is projected to
* 2D space we have a reference point for the tick mark.
*
* @param index the index.
*/
public void setVertexIndex(int index) {
this.vertexIndex = index;
}
/**
* Returns the anchor point.
*
* @return The anchor point.
*/
public Point2D getAnchorPt() {
return this.anchorPt;
}
/**
* Sets the anchor point. This is the projected point in 2D space of the
* vertex we track in 3D space.
*
* @param anchorPt the anchor point.
*/
public void setAnchorPt(Point2D anchorPt) {
this.anchorPt = anchorPt;
}
}