Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/jfree/DoubleBounds.java @ 2722:36631f23acdf
Allow loading of previous reference curves.
flys-artifacts/trunk@4453 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Mon, 21 May 2012 12:21:35 +0000 |
parents | 73b15736cb80 |
children | cbe2febe30cc |
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package de.intevation.flys.jfree; import org.jfree.chart.axis.ValueAxis; import org.jfree.data.Range; /** * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public class DoubleBounds implements Bounds { protected double lower; protected double upper; /** * Default constructor. <b>A DoubleBounds has always set lower < * upper!</b> */ public DoubleBounds(double lower, double upper) { this.lower = Math.min(lower, upper); this.upper = Math.max(lower, upper); } @Override public Number getLower() { return Double.valueOf(lower); } @Override public Number getUpper() { return Double.valueOf(upper); } @Override public void applyBounds(ValueAxis axis) { axis.setRange(new Range(lower, upper)); } @Override public void applyBounds(ValueAxis axis, int percent) { double space = (upper - lower) / 100 * percent; axis.setRange(new Range(lower-space, upper+space)); } @Override public Bounds combine(Bounds bounds) { if (bounds == null) { return this; } DoubleBounds other = (DoubleBounds) bounds; double otherLower = other.getLower().doubleValue(); double otherUpper = other.getUpper().doubleValue(); return new DoubleBounds( otherLower < lower ? otherLower : lower, otherUpper > upper ? otherUpper : upper); } @Override public String toString() { return "DoubleBounds=[" + lower + " ; " + upper + "]"; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :