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, 2:51 AM
035 */
036
037package com.kitfox.svg.animation;
038
039import com.kitfox.svg.SVGConst;
040import com.kitfox.svg.SVGElement;
041import com.kitfox.svg.SVGException;
042import com.kitfox.svg.SVGLoaderHelper;
043import com.kitfox.svg.animation.parser.AnimTimeParser;
044import com.kitfox.svg.animation.parser.ParseException;
045import com.kitfox.svg.xml.StyleAttribute;
046import java.io.StringReader;
047import java.util.logging.Level;
048import java.util.logging.Logger;
049import org.xml.sax.Attributes;
050import org.xml.sax.SAXException;
051
052/**
053 * @author Mark McKay
054 * @author <a href="mailto:mark@kitfox.com">Mark McKay</a>
055 */
056abstract public class AnimateBase extends AnimationElement
057{
058    private double repeatCount = Double.NaN;
059    private TimeBase repeatDur;
060    
061    /** Creates a new instance of Animate */
062    public AnimateBase()
063    {
064    }
065    
066    @Override
067    public void evalParametric(AnimationTimeEval state, double curTime)
068    {
069        evalParametric(state, curTime, repeatCount, repeatDur == null ? Double.NaN : repeatDur.evalTime());
070    }
071    
072    @Override
073    public void loaderStartElement(SVGLoaderHelper helper, Attributes attrs, SVGElement parent) throws SAXException
074    {
075                //Load style string
076        super.loaderStartElement(helper, attrs, parent);
077
078        String repeatDurTime = attrs.getValue("repeatDur");
079
080        try
081        {
082            if (repeatDurTime != null)
083            {
084                helper.animTimeParser.ReInit(new StringReader(repeatDurTime));
085                this.repeatDur = helper.animTimeParser.Expr();
086                this.repeatDur.setParentElement(this);
087            }
088        }
089        catch (Exception e)
090        {
091            throw new SAXException(e);
092        }
093        
094        String strn = attrs.getValue("repeatCount");
095        if (strn == null)
096        {
097            repeatCount = 1;
098        }
099        else if ("indefinite".equals(strn))
100        {
101            repeatCount = Double.POSITIVE_INFINITY;
102        }
103        else
104        {
105            try { repeatCount = Double.parseDouble(strn); } 
106            catch (Exception e) { repeatCount = Double.NaN; }
107        }
108    }
109
110    @Override
111    protected void rebuild(AnimTimeParser animTimeParser) throws SVGException
112    {
113        super.rebuild(animTimeParser);
114
115        StyleAttribute sty = new StyleAttribute();
116
117        if (getPres(sty.setName("repeatDur")))
118        {
119            String strn = sty.getStringValue();
120            if (strn != null)
121            {
122                animTimeParser.ReInit(new StringReader(strn));
123                try
124                {
125                    this.repeatDur = animTimeParser.Expr();
126                }
127                catch (ParseException ex)
128                {
129                    Logger.getLogger(SVGConst.SVG_LOGGER).log(Level.WARNING, 
130                        "Could not parse '" + strn + "'", ex);
131                }
132            }
133        }
134
135        if (getPres(sty.setName("repeatCount")))
136        {
137            String strn = sty.getStringValue();
138            if (strn == null)
139            {
140                repeatCount = 1;
141            }
142            else if ("indefinite".equals(strn))
143            {
144                repeatCount = Double.POSITIVE_INFINITY;
145            }
146            else
147            {
148                try { repeatCount = Double.parseDouble(strn); }
149                catch (Exception e) { repeatCount = Double.NaN; }
150            }
151        }
152    }
153
154    /**
155     * @return the repeatCount
156     */
157    public double getRepeatCount()
158    {
159        return repeatCount;
160    }
161
162    /**
163     * @param repeatCount the repeatCount to set
164     */
165    public void setRepeatCount(double repeatCount)
166    {
167        this.repeatCount = repeatCount;
168    }
169
170    /**
171     * @return the repeatDur
172     */
173    public TimeBase getRepeatDur()
174    {
175        return repeatDur;
176    }
177
178    /**
179     * @param repeatDur the repeatDur to set
180     */
181    public void setRepeatDur(TimeBase repeatDur)
182    {
183        this.repeatDur = repeatDur;
184    }
185}