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 August 15, 2004, 11:34 PM 035 */ 036 037package com.kitfox.svg.animation; 038 039import com.kitfox.svg.xml.StyleAttribute; 040import java.util.*; 041 042import com.kitfox.svg.*; 043import com.kitfox.svg.xml.*; 044 045/** 046 * A track holds the animation events for a single parameter of a single SVG 047 * element. It also contains the default value for the element, should the 048 * user want to see the 'unanimated' value. 049 * 050 * @author Mark McKay 051 * @author <a href="mailto:mark@kitfox.com">Mark McKay</a> 052 */ 053public class TrackDouble extends TrackBase 054{ 055 public TrackDouble(AnimationElement ele) throws SVGElementException 056 { 057 super(ele.getParent(), ele); 058 } 059 060 public boolean getValue(StyleAttribute attrib, double curTime) 061 { 062 double val = getValue(curTime); 063 if (Double.isNaN(val)) return false; 064 065 attrib.setStringValue("" + val); 066 return true; 067 } 068 069 public double getValue(double curTime) 070 { 071 double retVal = Double.NaN; 072 073 StyleAttribute attr = null; 074 switch (attribType) 075 { 076 case AnimationElement.AT_CSS: 077 attr = parent.getStyleAbsolute(attribName); 078 retVal = attr.getDoubleValue(); 079 break; 080 case AnimationElement.AT_XML: 081 attr = parent.getPresAbsolute(attribName); 082 retVal = attr.getDoubleValue(); 083 break; 084 case AnimationElement.AT_AUTO: 085 attr = parent.getStyleAbsolute(attribName); 086 if (attr == null) attr = parent.getPresAbsolute(attribName); 087 retVal = attr.getDoubleValue(); 088 break; 089 } 090 091 092 093 AnimationTimeEval state = new AnimationTimeEval(); 094// boolean pastEnd = true; 095 096 for (Iterator it = animEvents.iterator(); it.hasNext();) 097 { 098 Animate ele = (Animate)it.next(); 099 ele.evalParametric(state, curTime); 100 101 //Go to next element if this one does not affect processing 102 if (Double.isNaN(state.interp)) continue; 103 104 switch (ele.getAdditiveType()) 105 { 106 case AnimationElement.AD_SUM: 107 retVal += ele.eval(state.interp); 108 break; 109 case AnimationElement.AD_REPLACE: 110 retVal = ele.eval(state.interp); 111 break; 112 } 113 114 //Evalutae accumulation if applicable 115 if (state.rep > 0) 116 { 117 switch (ele.getAccumulateType()) 118 { 119 case AnimationElement.AC_SUM: 120 retVal += ele.repeatSkipSize(state.rep); 121 break; 122 } 123 124 } 125 } 126 127 return retVal; 128 } 129}