001 /*
002 * Rect.java
003 *
004 *
005 * The Salamander Project - 2D and 3D graphics libraries in Java
006 * Copyright (C) 2004 Mark McKay
007 *
008 * This library is free software; you can redistribute it and/or
009 * modify it under the terms of the GNU Lesser General Public
010 * License as published by the Free Software Foundation; either
011 * version 2.1 of the License, or (at your option) any later version.
012 *
013 * This library is distributed in the hope that it will be useful,
014 * but WITHOUT ANY WARRANTY; without even the implied warranty of
015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
016 * Lesser General Public License for more details.
017 *
018 * You should have received a copy of the GNU Lesser General Public
019 * License along with this library; if not, write to the Free Software
020 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
021 *
022 * Mark McKay can be contacted at mark@kitfox.com. Salamander and other
023 * projects can be found at http://www.kitfox.com
024 *
025 * Created on January 26, 2004, 5:25 PM
026 */
027
028 package com.kitfox.svg;
029
030 import com.kitfox.svg.xml.StyleAttribute;
031 import java.awt.*;
032 import java.awt.geom.*;
033
034 import com.kitfox.svg.pathcmd.*;
035 import com.kitfox.svg.xml.*;
036 import org.xml.sax.*;
037
038 //import org.apache.batik.ext.awt.geom.ExtendedGeneralPath;
039
040 /**
041 * @author Mark McKay
042 * @author <a href="mailto:mark@kitfox.com">Mark McKay</a>
043 */
044 public class Path extends ShapeElement {
045
046 // PathCommand[] commands = null;
047
048 int fillRule = GeneralPath.WIND_NON_ZERO;
049 String d = "";
050 // ExtendedGeneralPath path;
051 GeneralPath path;
052
053 /** Creates a new instance of Rect */
054 public Path() {
055 }
056
057 /*
058 public void loaderStartElement(SVGLoaderHelper helper, Attributes attrs, SVGElement parent)
059 {
060 //Load style string
061 super.loaderStartElement(helper, attrs, parent);
062
063 StyleAttribute styleAttrib = getStyle("fill-rule");
064 String fillRule = (styleAttrib == null) ? "nonzero" : styleAttrib.getStringValue();
065
066 String d = attrs.getValue("d");
067 path = buildPath(d, fillRule.equals("evenodd") ? GeneralPath.WIND_EVEN_ODD : GeneralPath.WIND_NON_ZERO);
068 }
069 */
070
071 protected void build() throws SVGException
072 {
073 super.build();
074
075 StyleAttribute sty = new StyleAttribute();
076
077
078 String fillRuleStrn = (getStyle(sty.setName("fill-rule"))) ? sty.getStringValue() : "nonzero";
079 fillRule = fillRuleStrn.equals("evenodd") ? GeneralPath.WIND_EVEN_ODD : GeneralPath.WIND_NON_ZERO;
080
081 // String d = "";
082 if (getPres(sty.setName("d"))) d = sty.getStringValue();
083
084 //System.err.println(d);
085
086 path = buildPath(d, fillRule);
087
088 //System.err.println(d);
089 }
090
091 public void render(Graphics2D g) throws SVGException
092 {
093 beginLayer(g);
094 renderShape(g, path);
095 finishLayer(g);
096 }
097
098 public Shape getShape()
099 {
100 return shapeToParent(path);
101 }
102
103 public Rectangle2D getBoundingBox() throws SVGException
104 {
105 return boundsToParent(includeStrokeInBounds(path.getBounds2D()));
106 }
107
108 /**
109 * Updates all attributes in this diagram associated with a time event.
110 * Ie, all attributes with track information.
111 * @return - true if this node has changed state as a result of the time
112 * update
113 */
114 public boolean updateTime(double curTime) throws SVGException
115 {
116 // if (trackManager.getNumTracks() == 0) return false;
117 boolean changeState = super.updateTime(curTime);
118
119 //Get current values for parameters
120 StyleAttribute sty = new StyleAttribute();
121 boolean shapeChange = false;
122
123 if (getStyle(sty.setName("fill-rule")))
124 {
125 int newVal = sty.getStringValue().equals("evenodd")
126 ? GeneralPath.WIND_EVEN_ODD
127 : GeneralPath.WIND_NON_ZERO;
128 if (newVal != fillRule)
129 {
130 fillRule = newVal;
131 changeState = true;
132 }
133 }
134
135 if (getPres(sty.setName("d")))
136 {
137 String newVal = sty.getStringValue();
138 if (!newVal.equals(d))
139 {
140 d = newVal;
141 shapeChange = true;
142 }
143 }
144
145 if (shapeChange)
146 {
147 build();
148 // path = buildPath(d, fillRule);
149 // return true;
150 }
151
152 return changeState || shapeChange;
153 }
154 }