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.*; 043 044/** 045 * A track holds the animation events for a single parameter of a single SVG 046 * element. It also contains the default value for the element, should the 047 * user want to see the 'unanimated' value. 048 * 049 * @author Mark McKay 050 * @author <a href="mailto:mark@kitfox.com">Mark McKay</a> 051 */ 052public class TrackDouble extends TrackBase 053{ 054 public TrackDouble(AnimationElement ele) throws SVGElementException 055 { 056 super(ele.getParent(), ele); 057 } 058 059 @Override 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 (AnimationElement animationElement : animEvents) { 097 Animate ele = (Animate)animationElement; 098 ele.evalParametric(state, curTime); 099 100 //Go to next element if this one does not affect processing 101 if (Double.isNaN(state.interp)) continue; 102 103 switch (ele.getAdditiveType()) 104 { 105 case AnimationElement.AD_SUM: 106 retVal += ele.eval(state.interp); 107 break; 108 case AnimationElement.AD_REPLACE: 109 retVal = ele.eval(state.interp); 110 break; 111 } 112 113 //Evalutae accumulation if applicable 114 if (state.rep > 0) 115 { 116 switch (ele.getAccumulateType()) 117 { 118 case AnimationElement.AC_SUM: 119 retVal += ele.repeatSkipSize(state.rep); 120 break; 121 } 122 123 } 124 } 125 126 return retVal; 127 } 128}