"test.anchor.ArrowAnchorShapeTest",

/*

 * The contents of this file are subject to the terms of the Common Development

 * and Distribution License (the License). You may not use this file except in

 * compliance with the License.

 *

 * You can obtain a copy of the License at http://www.netbeans.org/cddl.html

 * or http://www.netbeans.org/cddl.txt.

 *

 * When distributing Covered Code, include this CDDL Header Notice in each file

 * and include the License file at http://www.netbeans.org/cddl.txt.

 * If applicable, add the following below the CDDL Header, with the fields

 * enclosed by brackets [] replaced by your own identifying information:

 * "Portions Copyrighted [year] [name of copyright owner]"

 *

 * The Original Software is NetBeans. The Initial Developer of the Original

 * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun

 * Microsystems, Inc. All Rights Reserved.

 */

package test.anchor;

import org.netbeans.api.visual.anchor.AnchorFactory;

import org.netbeans.api.visual.anchor.AnchorShapeFactory;

import org.netbeans.api.visual.widget.ConnectionWidget;

import org.netbeans.api.visual.widget.Scene;

import test.SceneSupport;

import java.awt.*;

/**

 * @author David Kaspar

 */

public class ArrowAnchorShapeTest {

    public static void main (String[] args) {

        Scene scene = new Scene ();

        ConnectionWidget child = new ConnectionWidget (scene);

        child.setSourceAnchor (AnchorFactory.createFixedAnchor (new Point (100, 100)));

        child.setTargetAnchor (AnchorFactory.createFixedAnchor (new Point (200, 200)));

        child.setSourceAnchorShape (AnchorShapeFactory.createArrowAnchorShape (180, 8));

        child.setTargetAnchorShape (AnchorShapeFactory.createArrowAnchorShape (30, 16));

        scene.addChild (child);

        SceneSupport.show (scene);

    }

}

        <change>

            <api name="general"/>

            <summary>AnchorShapeFactory.createArrowAnchorShape method introduced</summary>

            <version major="2" minor="4"/>

            <date day="5" month="6" year="2007"/>

            <author login="dkaspar"/>

            <compatibility addition="yes"/>

            <description>

                AnchorShapeFactory.createArrowAnchorShape method introduced.

            </description>

            <class package="org.netbeans.api.visual.anchor" name="AnchorShapeFactory" link="yes"/>

            <issue number="105499"/>

        </change>

import org.netbeans.modules.visual.anchor.ArrowAnchorShape;

    }

    /**

     * Creates an arrow anchor shape.

     * @param degrees the angle of the arrow in degrees (not radians)

     * @param size the size of the arrow

     * @return the anchor shape

     * @since 2.4

     */

    public static AnchorShape createArrowAnchorShape (int degrees, int size) {

        return new ArrowAnchorShape (degrees, size);

/*

 * The contents of this file are subject to the terms of the Common Development

 * and Distribution License (the License). You may not use this file except in

 * compliance with the License.

 *

 * You can obtain a copy of the License at http://www.netbeans.org/cddl.html

 * or http://www.netbeans.org/cddl.txt.

 *

 * When distributing Covered Code, include this CDDL Header Notice in each file

 * and include the License file at http://www.netbeans.org/cddl.txt.

 * If applicable, add the following below the CDDL Header, with the fields

 * enclosed by brackets [] replaced by your own identifying information:

 * "Portions Copyrighted [year] [name of copyright owner]"

 *

 * The Original Software is NetBeans. The Initial Developer of the Original

 * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun

 * Microsystems, Inc. All Rights Reserved.

 */

package org.netbeans.modules.visual.anchor;

import org.netbeans.api.visual.anchor.AnchorShape;

import java.awt.*;

import java.awt.geom.GeneralPath;

/**

 * @author Antonio

 */

public class ArrowAnchorShape implements AnchorShape {

    private static final Stroke STROKE = new BasicStroke (1.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND);

    private GeneralPath path;

    private int size;

    public ArrowAnchorShape (int degrees, int size) {

        this.size = size;

        path = new GeneralPath ();

        double radians = Math.PI * degrees / 360.0;

        double cos = Math.cos (radians);

        double sin = -size * Math.sqrt (1 - cos * cos);

        cos *= size;

        path.moveTo (0.0f, 0.0f);

        path.lineTo ((float) cos, (float) -sin);

        path.moveTo (0.0f, 0.0f);

        path.lineTo ((float) cos, (float) sin);

    }

    public boolean isLineOriented () {

        return true;

    }

    public int getRadius () {

        return size + 1;

    }

    public double getCutDistance () {

        return 0;

    }

    public void paint (Graphics2D graphics, boolean source) {

        Stroke previousStroke = graphics.getStroke ();

        graphics.setStroke (STROKE);

        graphics.draw (path);

        graphics.setStroke (previousStroke);

    }

}

<li><strong>test.anchor.ArrowAnchorShapeTest</strong> - test of <code>ArrowAnchorShape</code>