Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/jfree/DoubleBounds.java @ 7119:988dde49ae65
Fix area label rendering.
Previously the showarealabel setting was neither parsed nor
used to decide if the arealabel should be drawn.
It is mostly off but enabled for Cross Sections. It is now
also shown in the style editors in case someone got used to it ;)
author | Andre Heinecke <aheinecke@intevation.de> |
---|---|
date | Tue, 24 Sep 2013 18:13:51 +0200 |
parents | af13ceeba52a |
children | ac7cb15e1946 |
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/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde * Software engineering by Intevation GmbH * * This file is Free Software under the GNU AGPL (>=v3) * and comes with ABSOLUTELY NO WARRANTY! Check out the * documentation coming with Dive4Elements River for details. */ package org.dive4elements.river.jfree; import org.jfree.chart.axis.ValueAxis; import org.jfree.chart.axis.LogarithmicAxis; 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)); } /** * Set extended range to ValueAxis. * @param percent how many percent to extend (in each direction, * thus 10 percent on [0,100] -> [-10,110]. */ @Override public void applyBounds(ValueAxis axis, int percent) { double space = (upper - lower) / 100 * percent; if (axis instanceof LogarithmicAxis) { axis.setRange(new Range(Math.max(lower-space, 0.0001), Math.max(upper+space, 0.0002))); } else { 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 :