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/** 045 * @author Mark McKay 046 * @author <a href="mailto:mark@kitfox.com">Mark McKay</a> 047 */ 048public class Path extends ShapeElement 049{ 050 051 public static final String TAG_NAME = "path"; 052// PathCommand[] commands = null; 053 int fillRule = GeneralPath.WIND_NON_ZERO; 054 String d = ""; 055// ExtendedGeneralPath path; 056 GeneralPath path; 057 058 /** 059 * Creates a new instance of Rect 060 */ 061 public Path() 062 { 063 } 064 065 @Override 066 public String getTagName() 067 { 068 return TAG_NAME; 069 } 070 071 @Override 072 protected void build() throws SVGException 073 { 074 super.build(); 075 076 StyleAttribute sty = new StyleAttribute(); 077 078 079 String fillRuleStrn = (getStyle(sty.setName("fill-rule"))) ? sty.getStringValue() : "nonzero"; 080 fillRule = fillRuleStrn.equals("evenodd") ? GeneralPath.WIND_EVEN_ODD : GeneralPath.WIND_NON_ZERO; 081 082 if (getPres(sty.setName("d"))) 083 { 084 d = sty.getStringValue(); 085 } 086 087 path = buildPath(d, fillRule); 088 } 089 090 @Override 091 public void render(Graphics2D g) throws SVGException 092 { 093 beginLayer(g); 094 renderShape(g, path); 095 finishLayer(g); 096 } 097 098 @Override 099 public Shape getShape() 100 { 101 return shapeToParent(path); 102 } 103 104 @Override 105 public Rectangle2D getBoundingBox() throws SVGException 106 { 107 return boundsToParent(includeStrokeInBounds(path.getBounds2D())); 108 } 109 110 /** 111 * Updates all attributes in this diagram associated with a time event. Ie, 112 * all attributes with track information. 113 * 114 * @return - true if this node has changed state as a result of the time 115 * update 116 */ 117 @Override 118 public boolean updateTime(double curTime) throws SVGException 119 { 120// if (trackManager.getNumTracks() == 0) return false; 121 boolean changeState = super.updateTime(curTime); 122 123 //Get current values for parameters 124 StyleAttribute sty = new StyleAttribute(); 125 boolean shapeChange = false; 126 127 if (getStyle(sty.setName("fill-rule"))) 128 { 129 int newVal = sty.getStringValue().equals("evenodd") 130 ? GeneralPath.WIND_EVEN_ODD 131 : GeneralPath.WIND_NON_ZERO; 132 if (newVal != fillRule) 133 { 134 fillRule = newVal; 135 changeState = true; 136 } 137 } 138 139 if (getPres(sty.setName("d"))) 140 { 141 String newVal = sty.getStringValue(); 142 if (!newVal.equals(d)) 143 { 144 d = newVal; 145 shapeChange = true; 146 } 147 } 148 149 if (shapeChange) 150 { 151 build(); 152// path = buildPath(d, fillRule); 153// return true; 154 } 155 156 return changeState || shapeChange; 157 } 158}