001/* 002 * SVG Salamander 003 * Copyright (c) 2004, Mark McKay 004 * All rights reserved. 005 * 006 * Redistribution and use in source and binary forms, with or 007 * without modification, are permitted provided that the following 008 * conditions are met: 009 * 010 * - Redistributions of source code must retain the above 011 * copyright notice, this list of conditions and the following 012 * disclaimer. 013 * - Redistributions in binary form must reproduce the above 014 * copyright notice, this list of conditions and the following 015 * disclaimer in the documentation and/or other materials 016 * provided with the distribution. 017 * 018 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 019 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 020 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 021 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 022 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 023 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 025 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 026 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 027 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 028 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 029 * OF THE POSSIBILITY OF SUCH DAMAGE. 030 * 031 * Mark McKay can be contacted at mark@kitfox.com. Salamander and other 032 * projects can be found at http://www.kitfox.com 033 * 034 * Created on January 26, 2004, 5:25 PM 035 */ 036package com.kitfox.svg; 037 038import com.kitfox.svg.xml.StyleAttribute; 039import java.awt.Graphics2D; 040import java.awt.Shape; 041import java.awt.geom.GeneralPath; 042import java.awt.geom.Rectangle2D; 043 044//import org.apache.batik.ext.awt.geom.ExtendedGeneralPath; 045/** 046 * @author Mark McKay 047 * @author <a href="mailto:mark@kitfox.com">Mark McKay</a> 048 */ 049public class Path extends ShapeElement 050{ 051 052 public static final String TAG_NAME = "path"; 053// PathCommand[] commands = null; 054 int fillRule = GeneralPath.WIND_NON_ZERO; 055 String d = ""; 056// ExtendedGeneralPath path; 057 GeneralPath path; 058 059 /** 060 * Creates a new instance of Rect 061 */ 062 public Path() 063 { 064 } 065 066 public String getTagName() 067 { 068 return TAG_NAME; 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 if (getPres(sty.setName("d"))) 082 { 083 d = sty.getStringValue(); 084 } 085 086 path = buildPath(d, fillRule); 087 } 088 089 public void render(Graphics2D g) throws SVGException 090 { 091 beginLayer(g); 092 renderShape(g, path); 093 finishLayer(g); 094 } 095 096 public Shape getShape() 097 { 098 return shapeToParent(path); 099 } 100 101 public Rectangle2D getBoundingBox() throws SVGException 102 { 103 return boundsToParent(includeStrokeInBounds(path.getBounds2D())); 104 } 105 106 /** 107 * Updates all attributes in this diagram associated with a time event. Ie, 108 * all attributes with track information. 109 * 110 * @return - true if this node has changed state as a result of the time 111 * update 112 */ 113 public boolean updateTime(double curTime) throws SVGException 114 { 115// if (trackManager.getNumTracks() == 0) return false; 116 boolean changeState = super.updateTime(curTime); 117 118 //Get current values for parameters 119 StyleAttribute sty = new StyleAttribute(); 120 boolean shapeChange = false; 121 122 if (getStyle(sty.setName("fill-rule"))) 123 { 124 int newVal = sty.getStringValue().equals("evenodd") 125 ? GeneralPath.WIND_EVEN_ODD 126 : GeneralPath.WIND_NON_ZERO; 127 if (newVal != fillRule) 128 { 129 fillRule = newVal; 130 changeState = true; 131 } 132 } 133 134 if (getPres(sty.setName("d"))) 135 { 136 String newVal = sty.getStringValue(); 137 if (!newVal.equals(d)) 138 { 139 d = newVal; 140 shapeChange = true; 141 } 142 } 143 144 if (shapeChange) 145 { 146 build(); 147// path = buildPath(d, fillRule); 148// return true; 149 } 150 151 return changeState || shapeChange; 152 } 153}