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A tool for displaying and playing SVG content using the Java2D
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/*
 * SVG Salamander
 * Copyright (c) 2004, Mark McKay
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or 
 * without modification, are permitted provided that the following
 * conditions are met:
 *
 *   - Redistributions of source code must retain the above 
 *     copyright notice, this list of conditions and the following
 *     disclaimer.
 *   - Redistributions in binary form must reproduce the above
 *     copyright notice, this list of conditions and the following
 *     disclaimer in the documentation and/or other materials 
 *     provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE. 
 * 
 * Mark McKay can be contacted at [email protected].  Salamander and other
 * projects can be found at http://www.kitfox.com
 *
 * Created on March 18, 2004, 6:52 AM
 */
package com.kitfox.svg;

import com.kitfox.svg.xml.StyleAttribute;

/**
 * @author Mark McKay
 * @author Mark McKay
 */
public class FeSpotLight extends FeLight
{

    public static final String TAG_NAME = "fespotlight";
    float x = 0f;
    float y = 0f;
    float z = 0f;
    float pointsAtX = 0f;
    float pointsAtY = 0f;
    float pointsAtZ = 0f;
    float specularComponent = 0f;
    float limitingConeAngle = 0f;

    /**
     * Creates a new instance of FillElement
     */
    public FeSpotLight()
    {
    }

    @Override
    public String getTagName()
    {
        return TAG_NAME;
    }

    @Override
    protected void build() throws SVGException
    {
        super.build();

        StyleAttribute sty = new StyleAttribute();

        if (getPres(sty.setName("x")))
        {
            x = sty.getFloatValueWithUnits();
        }
        if (getPres(sty.setName("y")))
        {
            y = sty.getFloatValueWithUnits();
        }
        if (getPres(sty.setName("z")))
        {
            z = sty.getFloatValueWithUnits();
        }
        if (getPres(sty.setName("pointsAtX")))
        {
            pointsAtX = sty.getFloatValueWithUnits();
        }
        if (getPres(sty.setName("pointsAtY")))
        {
            pointsAtY = sty.getFloatValueWithUnits();
        }
        if (getPres(sty.setName("pointsAtZ")))
        {
            pointsAtZ = sty.getFloatValueWithUnits();
        }
        if (getPres(sty.setName("specularComponent")))
        {
            specularComponent = sty.getFloatValueWithUnits();
        }
        if (getPres(sty.setName("limitingConeAngle")))
        {
            limitingConeAngle = sty.getFloatValueWithUnits();
        }
    }

    @Override
    public float getX()
    {
        return x;
    }

    @Override
    public float getY()
    {
        return y;
    }

    public float getZ()
    {
        return z;
    }

    public float getPointsAtX()
    {
        return pointsAtX;
    }

    public float getPointsAtY()
    {
        return pointsAtY;
    }

    public float getPointsAtZ()
    {
        return pointsAtZ;
    }

    public float getSpecularComponent()
    {
        return specularComponent;
    }

    public float getLimitingConeAngle()
    {
        return limitingConeAngle;
    }

    @Override
    public boolean updateTime(double curTime) throws SVGException
    {
//        if (trackManager.getNumTracks() == 0) return false;

        //Get current values for parameters
        StyleAttribute sty = new StyleAttribute();
        boolean stateChange = false;

        if (getPres(sty.setName("x")))
        {
            float newVal = sty.getFloatValueWithUnits();
            if (newVal != x)
            {
                x = newVal;
                stateChange = true;
            }
        }

        if (getPres(sty.setName("y")))
        {
            float newVal = sty.getFloatValueWithUnits();
            if (newVal != y)
            {
                y = newVal;
                stateChange = true;
            }
        }

        if (getPres(sty.setName("z")))
        {
            float newVal = sty.getFloatValueWithUnits();
            if (newVal != z)
            {
                z = newVal;
                stateChange = true;
            }
        }

        if (getPres(sty.setName("pointsAtX")))
        {
            float newVal = sty.getFloatValueWithUnits();
            if (newVal != pointsAtX)
            {
                pointsAtX = newVal;
                stateChange = true;
            }
        }

        if (getPres(sty.setName("pointsAtY")))
        {
            float newVal = sty.getFloatValueWithUnits();
            if (newVal != pointsAtY)
            {
                pointsAtY = newVal;
                stateChange = true;
            }
        }

        if (getPres(sty.setName("pointsAtZ")))
        {
            float newVal = sty.getFloatValueWithUnits();
            if (newVal != pointsAtZ)
            {
                pointsAtZ = newVal;
                stateChange = true;
            }
        }

        if (getPres(sty.setName("specularComponent")))
        {
            float newVal = sty.getFloatValueWithUnits();
            if (newVal != specularComponent)
            {
                specularComponent = newVal;
                stateChange = true;
            }
        }

        if (getPres(sty.setName("limitingConeAngle")))
        {
            float newVal = sty.getFloatValueWithUnits();
            if (newVal != limitingConeAngle)
            {
                limitingConeAngle = newVal;
                stateChange = true;
            }
        }

        return stateChange;
    }
}