org.graalvm.visualvm.charts.xy.XYPercentMarksPainter Maven / Gradle / Ivy

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/*
 * Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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package org.graalvm.visualvm.charts.xy;

import org.graalvm.visualvm.lib.charts.axis.AxisMark;
import org.graalvm.visualvm.lib.charts.axis.LongMark;
import org.graalvm.visualvm.lib.charts.axis.PercentLongMarksPainter;

/**
 *
 * @author Jiri Sedlacek
 */
public class XYPercentMarksPainter extends PercentLongMarksPainter {

    protected final double factor;


    public XYPercentMarksPainter(long minValue, long maxValue, double factor) {
        super(minValue, maxValue);
        this.factor = factor;
    }


    protected String formatMark(AxisMark mark) {
        if (!(mark instanceof LongMark)) return mark.toString();
        double value = ((LongMark)mark).getValue();
        double relValue = (value - minValue) / maxValue * factor;
        return format.format(relValue);
    }

}