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A tool for displaying and playing SVG content using the Java2D.
/*
* 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 August 15, 2004, 11:34 PM
*/
package com.kitfox.svg.animation;
import com.kitfox.svg.xml.StyleAttribute;
import java.util.*;
import com.kitfox.svg.*;
/**
* A track holds the animation events for a single parameter of a single SVG
* element. It also contains the default value for the element, should the
* user want to see the 'unanimated' value.
*
* @author Mark McKay
* @author Mark McKay
*/
public class TrackDouble extends TrackBase
{
public TrackDouble(AnimationElement ele) throws SVGElementException
{
super(ele.getParent(), ele);
}
@Override
public boolean getValue(StyleAttribute attrib, double curTime)
{
double val = getValue(curTime);
if (Double.isNaN(val)) return false;
attrib.setStringValue("" + val);
return true;
}
public double getValue(double curTime)
{
double retVal = Double.NaN;
StyleAttribute attr = null;
switch (attribType)
{
case AnimationElement.AT_CSS:
attr = parent.getStyleAbsolute(attribName);
retVal = attr.getDoubleValue();
break;
case AnimationElement.AT_XML:
attr = parent.getPresAbsolute(attribName);
retVal = attr.getDoubleValue();
break;
case AnimationElement.AT_AUTO:
attr = parent.getStyleAbsolute(attribName);
if (attr == null) attr = parent.getPresAbsolute(attribName);
retVal = attr.getDoubleValue();
break;
}
AnimationTimeEval state = new AnimationTimeEval();
// boolean pastEnd = true;
for (AnimationElement animationElement : animEvents) {
Animate ele = (Animate)animationElement;
ele.evalParametric(state, curTime);
//Go to next element if this one does not affect processing
if (Double.isNaN(state.interp)) continue;
switch (ele.getAdditiveType())
{
case AnimationElement.AD_SUM:
retVal += ele.eval(state.interp);
break;
case AnimationElement.AD_REPLACE:
retVal = ele.eval(state.interp);
break;
}
//Evalutae accumulation if applicable
if (state.rep > 0)
{
switch (ele.getAccumulateType())
{
case AnimationElement.AC_SUM:
retVal += ele.repeatSkipSize(state.rep);
break;
}
}
}
return retVal;
}
}