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 public String getTagName() 066 { 067 return TAG_NAME; 068 } 069 070 protected void build() throws SVGException 071 { 072 super.build(); 073 074 StyleAttribute sty = new StyleAttribute(); 075 076 077 String fillRuleStrn = (getStyle(sty.setName("fill-rule"))) ? sty.getStringValue() : "nonzero"; 078 fillRule = fillRuleStrn.equals("evenodd") ? GeneralPath.WIND_EVEN_ODD : GeneralPath.WIND_NON_ZERO; 079 080 if (getPres(sty.setName("d"))) 081 { 082 d = sty.getStringValue(); 083 } 084 085 path = buildPath(d, fillRule); 086 } 087 088 public void render(Graphics2D g) throws SVGException 089 { 090 beginLayer(g); 091 renderShape(g, path); 092 finishLayer(g); 093 } 094 095 public Shape getShape() 096 { 097 return shapeToParent(path); 098 } 099 100 public Rectangle2D getBoundingBox() throws SVGException 101 { 102 return boundsToParent(includeStrokeInBounds(path.getBounds2D())); 103 } 104 105 /** 106 * Updates all attributes in this diagram associated with a time event. Ie, 107 * all attributes with track information. 108 * 109 * @return - true if this node has changed state as a result of the time 110 * update 111 */ 112 public boolean updateTime(double curTime) throws SVGException 113 { 114// if (trackManager.getNumTracks() == 0) return false; 115 boolean changeState = super.updateTime(curTime); 116 117 //Get current values for parameters 118 StyleAttribute sty = new StyleAttribute(); 119 boolean shapeChange = false; 120 121 if (getStyle(sty.setName("fill-rule"))) 122 { 123 int newVal = sty.getStringValue().equals("evenodd") 124 ? GeneralPath.WIND_EVEN_ODD 125 : GeneralPath.WIND_NON_ZERO; 126 if (newVal != fillRule) 127 { 128 fillRule = newVal; 129 changeState = true; 130 } 131 } 132 133 if (getPres(sty.setName("d"))) 134 { 135 String newVal = sty.getStringValue(); 136 if (!newVal.equals(d)) 137 { 138 d = newVal; 139 shapeChange = true; 140 } 141 } 142 143 if (shapeChange) 144 { 145 build(); 146// path = buildPath(d, fillRule); 147// return true; 148 } 149 150 return changeState || shapeChange; 151 } 152}