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 March 18, 2004, 6:52 AM
035 */
036package com.kitfox.svg;
037
038import com.kitfox.svg.xml.StyleAttribute;
039
040/**
041 * @author Mark McKay
042 * @author <a href="mailto:mark@kitfox.com">Mark McKay</a>
043 */
044public class FeDistantLight extends FeLight
045{
046
047    public static final String TAG_NAME = "fedistantlight";
048    float azimuth = 0f;
049    float elevation = 0f;
050
051    /**
052     * Creates a new instance of FillElement
053     */
054    public FeDistantLight()
055    {
056    }
057
058    @Override
059    public String getTagName()
060    {
061        return TAG_NAME;
062    }
063
064    @Override
065    protected void build() throws SVGException
066    {
067        super.build();
068
069        StyleAttribute sty = new StyleAttribute();
070
071        if (getPres(sty.setName("azimuth")))
072        {
073            azimuth = sty.getFloatValueWithUnits();
074        }
075
076        if (getPres(sty.setName("elevation")))
077        {
078            elevation = sty.getFloatValueWithUnits();
079        }
080    }
081
082    public float getAzimuth()
083    {
084        return azimuth;
085    }
086
087    public float getElevation()
088    {
089        return elevation;
090    }
091
092    @Override
093    public boolean updateTime(double curTime) throws SVGException
094    {
095//        if (trackManager.getNumTracks() == 0) return false;
096
097        //Get current values for parameters
098        StyleAttribute sty = new StyleAttribute();
099        boolean stateChange = false;
100
101        if (getPres(sty.setName("azimuth")))
102        {
103            float newVal = sty.getFloatValueWithUnits();
104            if (newVal != azimuth)
105            {
106                azimuth = newVal;
107                stateChange = true;
108            }
109        }
110
111        if (getPres(sty.setName("elevation")))
112        {
113            float newVal = sty.getFloatValueWithUnits();
114            if (newVal != elevation)
115            {
116                elevation = newVal;
117                stateChange = true;
118            }
119        }
120
121        return stateChange;
122    }
123}