001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
034: * single choice of license, a recipient has the option to distribute
035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
039: * made subject to such option by the copyright holder.
040: */
041: package org.netbeans.modules.visual.anchor;
042:
043: import org.netbeans.api.visual.anchor.AnchorShape;
044:
045: import java.awt.geom.GeneralPath;
046: import java.awt.*;
047:
048: /**
049: * @author David Kaspar
050: */
051: public class TriangleAnchorShape implements AnchorShape {
052:
053: public static final Stroke STROKE = new BasicStroke(1.0f,
054: BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND);
055:
056: private int size;
057: private boolean filled;
058: private boolean hollow;
059: private double cutDistance;
060:
061: private GeneralPath generalPath;
062:
063: /**
064: * Creates a triangular anchor shape.
065: * @param size the size of triangle
066: * @param filled if true, then the triangle is filled
067: * @param output if true, then it is output triangle
068: * @param cutDistance the cut distance
069: */
070: public TriangleAnchorShape(int size, boolean filled,
071: boolean output, boolean hollow, double cutDistance) {
072: this .size = size;
073: this .filled = filled;
074: this .hollow = hollow;
075: this .cutDistance = cutDistance;
076:
077: float side = size * 0.3f;
078: generalPath = new GeneralPath();
079: if (output) {
080: generalPath.moveTo(size, 0.0f);
081: generalPath.lineTo(0.0f, -side);
082: generalPath.lineTo(0.0f, +side);
083: if (hollow)
084: generalPath.lineTo(size, 0.0f);
085: } else {
086: generalPath.moveTo(0.0f, 0.0f);
087: generalPath.lineTo(size, -side);
088: generalPath.lineTo(size, +side);
089: if (hollow)
090: generalPath.lineTo(0.0f, 0.0f);
091: }
092: }
093:
094: public boolean isLineOriented() {
095: return true;
096: }
097:
098: public int getRadius() {
099: return (int) Math.ceil(1.5f * size);
100: }
101:
102: public double getCutDistance() {
103: return cutDistance;
104: }
105:
106: public void paint(Graphics2D graphics, boolean source) {
107: if (filled)
108: graphics.fill(generalPath);
109: else {
110: Stroke stroke = graphics.getStroke();
111: graphics.setStroke(STROKE);
112: graphics.draw(generalPath);
113: graphics.setStroke(stroke);
114: }
115: }
116:
117: }
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