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 FePointLight extends FeLight
045{
046
047    public static final String TAG_NAME = "fepointlight";
048    float x = 0f;
049    float y = 0f;
050    float z = 0f;
051
052    /**
053     * Creates a new instance of FillElement
054     */
055    public FePointLight()
056    {
057    }
058
059    @Override
060    public String getTagName()
061    {
062        return TAG_NAME;
063    }
064
065    @Override
066    protected void build() throws SVGException
067    {
068        super.build();
069
070        StyleAttribute sty = new StyleAttribute();
071
072        if (getPres(sty.setName("x")))
073        {
074            x = sty.getFloatValueWithUnits();
075        }
076
077        if (getPres(sty.setName("y")))
078        {
079            y = sty.getFloatValueWithUnits();
080        }
081
082        if (getPres(sty.setName("z")))
083        {
084            z = sty.getFloatValueWithUnits();
085        }
086    }
087
088    @Override
089    public float getX()
090    {
091        return x;
092    }
093
094    @Override
095    public float getY()
096    {
097        return y;
098    }
099
100    public float getZ()
101    {
102        return z;
103    }
104
105    @Override
106    public boolean updateTime(double curTime) throws SVGException
107    {
108//        if (trackManager.getNumTracks() == 0) return false;
109
110        //Get current values for parameters
111        StyleAttribute sty = new StyleAttribute();
112        boolean stateChange = false;
113
114        if (getPres(sty.setName("x")))
115        {
116            float newVal = sty.getFloatValueWithUnits();
117            if (newVal != x)
118            {
119                x = newVal;
120                stateChange = true;
121            }
122        }
123
124        if (getPres(sty.setName("y")))
125        {
126            float newVal = sty.getFloatValueWithUnits();
127            if (newVal != y)
128            {
129                y = newVal;
130                stateChange = true;
131            }
132        }
133
134        if (getPres(sty.setName("z")))
135        {
136            float newVal = sty.getFloatValueWithUnits();
137            if (newVal != z)
138            {
139                z = newVal;
140                stateChange = true;
141            }
142        }
143
144        return stateChange;
145    }
146}