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// Copyright 2002, FreeHEP.
package org.freehep.graphicsio.emf.gdi;

import java.awt.Point;
import java.io.IOException;

import org.freehep.graphicsio.emf.EMFInputStream;
import org.freehep.graphicsio.emf.EMFOutputStream;
import org.freehep.graphicsio.emf.EMFTag;

/**
 * AngleArc TAG.
 * 
 * @author Mark Donszelmann
 * @version $Id: freehep-graphicsio-emf/src/main/java/org/freehep/graphicsio/emf/gdi/AngleArc.java c0f15e7696d3 2007/01/22 19:26:48 duns $
 */
public class AngleArc extends EMFTag {

    private Point center;

    private int radius;

    private float startAngle, sweepAngle;

    public AngleArc() {
        super(41, 1);
    }

    public AngleArc(Point center, int radius, float startAngle, float sweepAngle) {
        this();
        this.center = center;
        this.radius = radius;
        this.startAngle = startAngle;
        this.sweepAngle = sweepAngle;
    }

    public EMFTag read(int tagID, EMFInputStream emf, int len)
            throws IOException {

        return new AngleArc(
            emf.readPOINTL(),
            emf.readDWORD(), emf.readFLOAT(),
            emf.readFLOAT());
    }

    public void write(int tagID, EMFOutputStream emf) throws IOException {
        emf.writePOINTL(center);
        emf.writeDWORD(radius);
        emf.writeFLOAT(startAngle);
        emf.writeFLOAT(sweepAngle);
    }

    public String toString() {
        return super.toString() +
            "\n  center: " + center +
            "\n  radius: " + radius +
            "\n  startAngle: " + startAngle +
            "\n  sweepAngle: " + sweepAngle;
    }
}