view flys-artifacts/src/main/java/de/intevation/flys/exports/ChartArea.java @ 4740:fb135e1dfa35

Added 'type' attribute to <dc:variable/> element. If an optional 'type' attribute is given the result of the XPATH expression is interpreted as this type. Valid values are 'number', 'bool', 'node' and 'nodeset'. All other defaults to 'string' which also is the default if nor type is given.
author Sascha L. Teichmann <teichmann@intevation.de>
date Wed, 02 Jan 2013 15:31:53 +0100
parents 9422b559b2d5
children
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package de.intevation.flys.exports;

import org.jfree.chart.axis.ValueAxis;

import org.jfree.data.Range;

/** Two Ranges that span a rectangular area. */
public class ChartArea {
    protected Range xRange;
    protected Range yRange;

    public ChartArea(Range rangeX, Range rangeY) {
        this.xRange = rangeX;
        this.yRange = rangeY;
    }

    public ChartArea(ValueAxis axisX, ValueAxis axisY) {
        this.xRange = axisX.getRange();
        this.yRange = axisY.getRange();
    }

    public double ofLeft(double percent) {
        return xRange.getLowerBound()
            + xRange.getLength() * percent;
    }

    public double ofRight(double percent) {
        return xRange.getUpperBound()
            - xRange.getLength() * percent;
    }

    public double ofGround(double percent) {
        return yRange.getLowerBound()
            + yRange.getLength() * percent;
    }

    public double atTop() {
        return yRange.getUpperBound();
    }

    public double atGround() {
        return yRange.getLowerBound();
    }

    public double atRight() {
        return xRange.getUpperBound();
    }

    public double atLeft() {
        return xRange.getLowerBound();
    }

    public double above(double percent, double base) {
        return base + yRange.getLength() * percent;
    }
}
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