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, 1:56 AM 035 */ 036package com.kitfox.svg; 037 038import com.kitfox.svg.xml.StyleAttribute; 039import java.awt.Graphics2D; 040import java.awt.Rectangle; 041import java.awt.Shape; 042import java.awt.geom.AffineTransform; 043import java.awt.geom.Rectangle2D; 044 045/** 046 * @author Mark McKay 047 * @author <a href="mailto:mark@kitfox.com">Mark McKay</a> 048 */ 049public class Symbol extends Group 050{ 051 052 public static final String TAG_NAME = "symbol"; 053 AffineTransform viewXform; 054 Rectangle2D viewBox; 055 056 /** 057 * Creates a new instance of Stop 058 */ 059 public Symbol() 060 { 061 } 062 063 @Override 064 public String getTagName() 065 { 066 return TAG_NAME; 067 } 068 069 @Override 070 protected void build() throws SVGException 071 { 072 super.build(); 073 074 StyleAttribute sty = new StyleAttribute(); 075 076// sty = getPres("unicode"); 077// if (sty != null) unicode = sty.getStringValue(); 078 079 080 if (getPres(sty.setName("viewBox"))) 081 { 082 float[] dim = sty.getFloatList(); 083 viewBox = new Rectangle2D.Float(dim[0], dim[1], dim[2], dim[3]); 084 } 085 086 if (viewBox == null) 087 { 088// viewBox = super.getBoundingBox(); 089 viewBox = new Rectangle(0, 0, 1, 1); 090 } 091 092 //Transform pattern onto unit square 093 viewXform = new AffineTransform(); 094 viewXform.scale(1.0 / viewBox.getWidth(), 1.0 / viewBox.getHeight()); 095 viewXform.translate(-viewBox.getX(), -viewBox.getY()); 096 } 097 098 @Override 099 protected boolean outsideClip(Graphics2D g) throws SVGException 100 { 101 Shape clip = g.getClip(); 102// g.getClipBounds(clipBounds); 103 Rectangle2D rect = super.getBoundingBox(); 104 if (clip == null || clip.intersects(rect)) 105 { 106 return false; 107 } 108 109 return true; 110 111 } 112 113 @Override 114 public void render(Graphics2D g) throws SVGException 115 { 116 AffineTransform oldXform = g.getTransform(); 117 g.transform(viewXform); 118 119 super.render(g); 120 121 g.setTransform(oldXform); 122 } 123 124 @Override 125 public Shape getShape() 126 { 127 Shape shape = super.getShape(); 128 return viewXform.createTransformedShape(shape); 129 } 130 131 @Override 132 public Rectangle2D getBoundingBox() throws SVGException 133 { 134 Rectangle2D rect = super.getBoundingBox(); 135 return viewXform.createTransformedShape(rect).getBounds2D(); 136 } 137 138 /** 139 * Updates all attributes in this diagram associated with a time event. Ie, 140 * all attributes with track information. 141 * 142 * @return - true if this node has changed state as a result of the time 143 * update 144 */ 145 @Override 146 public boolean updateTime(double curTime) throws SVGException 147 { 148// if (trackManager.getNumTracks() == 0) return false; 149 boolean changeState = super.updateTime(curTime); 150 151 //View box properties do not change 152 153 return changeState; 154 } 155}