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JFreeChart is a class library, written in Java, for generating charts.
Utilising the Java2D APIs, it currently supports bar charts, pie charts,
line charts, XY-plots and time series plots.
/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2013, by Object Refinery Limited 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.]
*
* -----------------
* NumberAxis3D.java
* -----------------
* (C) Copyright 2001-2009, by Serge V. Grachov and Contributors.
*
* Original Author: Serge V. Grachov;
* Contributor(s): David Gilbert (for Object Refinery Limited);
* Jonathan Nash;
* Richard Atkinson;
* Tin Luu;
*
* Changes
* -------
* 31-Oct-2001 : Version 1 contributed by Serge V. Grachov (DG);
* 23-Nov-2001 : Overhauled auto tick unit code for all axes (DG);
* 12-Dec-2001 : Minor change due to grid lines bug fix (DG);
* 08-Jan-2002 : Added flag allowing the axis to be 'inverted'. That is, run
* from positive to negative. Added default values to
* constructors (DG);
* 16-Jan-2002 : Added an optional crosshair, based on the implementation by
* Jonathan Nash (DG);
* 25-Feb-2002 : Updated constructors for new autoRangeStickyZero flag (DG);
* 19-Apr-2002 : drawVerticalString() is now drawRotatedString() in
* RefineryUtilities (DG);
* 25-Jun-2002 : Removed redundant import (DG);
* 25-Jul-2002 : Changed order of parameters in ValueAxis constructor (DG);
* 06-Aug-2002 : Modified draw method to not draw axis label if label is empty
* String (RA);
* 05-Sep-2002 : Updated constructor for changes in the Axis class, and changed
* draw method to observe tickMarkPaint (DG);
* 22-Sep-2002 : Fixed errors reported by Checkstyle (DG);
* 08-Nov-2002 : Moved to new package com.jrefinery.chart.axis (DG);
* 20-Jan-2003 : Removed unnecessary constructors (DG);
* 26-Mar-2003 : Implemented Serializable (DG);
* 13-May-2003 : Merged HorizontalNumberAxis3D and VerticalNumberAxis3D (DG);
* 21-Aug-2003 : Updated draw() method signature (DG);
* 07-Nov-2003 : Modified refreshTicks method signature (DG);
* ------------- JFREECHART 1.0.x ---------------------------------------------
* 18-Jan-2006 : Fixed bug 1408904 (axis assumes CategoryPlot) (DG):
* 16-Apr-2009 : Changed axis line visibility default (DG);
* 01-Aug-2013 : Added attributedLabel override to support superscripts,
* subscripts and more (DG); *
*/
package org.jfree.chart.axis;
import java.awt.Graphics2D;
import java.awt.geom.Rectangle2D;
import java.io.Serializable;
import java.util.List;
import org.jfree.chart.Effect3D;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.Plot;
import org.jfree.chart.plot.PlotRenderingInfo;
import org.jfree.chart.renderer.category.CategoryItemRenderer;
import org.jfree.ui.RectangleEdge;
/**
* A standard linear value axis with a 3D effect corresponding to the
* offset specified by some renderers.
*/
public class NumberAxis3D extends NumberAxis implements Serializable {
/** For serialization. */
private static final long serialVersionUID = -1790205852569123512L;
/**
* Default constructor.
*/
public NumberAxis3D() {
this(null);
}
/**
* Constructs a new axis.
*
* @param label the axis label (null permitted).
*/
public NumberAxis3D(String label) {
super(label);
}
/**
* Draws the axis on a Java 2D graphics device (such as the screen or a
* printer).
*
* @param g2 the graphics device.
* @param cursor the cursor.
* @param plotArea the area for drawing the axes and data.
* @param dataArea the area for drawing the data (a subset of the
* plotArea).
* @param edge the axis location.
* @param plotState collects information about the plot (null
* permitted).
*
* @return The updated cursor value.
*/
@Override
public AxisState draw(Graphics2D g2, double cursor, Rectangle2D plotArea,
Rectangle2D dataArea, RectangleEdge edge,
PlotRenderingInfo plotState) {
// if the axis is not visible, don't draw it...
if (!isVisible()) {
AxisState state = new AxisState(cursor);
// even though the axis is not visible, we need ticks for the
// gridlines...
List ticks = refreshTicks(g2, state, dataArea, edge);
state.setTicks(ticks);
return state;
}
// calculate the adjusted data area taking into account the 3D effect...
double xOffset = 0.0;
double yOffset = 0.0;
Plot plot = getPlot();
if (plot instanceof CategoryPlot) {
CategoryPlot cp = (CategoryPlot) plot;
CategoryItemRenderer r = cp.getRenderer();
if (r instanceof Effect3D) {
Effect3D e3D = (Effect3D) r;
xOffset = e3D.getXOffset();
yOffset = e3D.getYOffset();
}
}
double adjustedX = dataArea.getMinX();
double adjustedY = dataArea.getMinY();
double adjustedW = dataArea.getWidth() - xOffset;
double adjustedH = dataArea.getHeight() - yOffset;
if (edge == RectangleEdge.LEFT || edge == RectangleEdge.BOTTOM) {
adjustedY += yOffset;
}
else if (edge == RectangleEdge.RIGHT || edge == RectangleEdge.TOP) {
adjustedX += xOffset;
}
Rectangle2D adjustedDataArea = new Rectangle2D.Double(adjustedX,
adjustedY, adjustedW, adjustedH);
// draw the tick marks and labels...
AxisState info = drawTickMarksAndLabels(g2, cursor, plotArea,
adjustedDataArea, edge);
if (getAttributedLabel() != null) {
info = drawAttributedLabel(getAttributedLabel(), g2, plotArea,
dataArea, edge, info);
} else {
info = drawLabel(getLabel(), g2, plotArea, dataArea, edge, info);
}
return info;
}
}