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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 mark@kitfox.com. Salamander and other
* projects can be found at http://www.kitfox.com
*
* Created on September 21, 2004, 11:34 PM
*/
package com.kitfox.svg.animation;
import com.kitfox.svg.xml.StyleAttribute;
import java.awt.geom.*;
import java.util.*;
import com.kitfox.svg.*;
import com.kitfox.svg.xml.*;
/**
* 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 <a href="mailto:mark@kitfox.com">Mark McKay</a>
*/
public class TrackTransform extends TrackBase
{
public TrackTransform(AnimationElement ele) throws SVGElementException
{
super(ele.getParent(), ele);
}
public boolean getValue(StyleAttribute attrib, double curTime) throws SVGException
{
AffineTransform retVal = new AffineTransform();
retVal = getValue(retVal, curTime);
// AffineTransform val = getValue(curTime);
// if (val == null) return false;
double[] mat = new double[6];
retVal.getMatrix(mat);
attrib.setStringValue("matrix(" + mat[0] + " " + mat[1] + " " + mat[2] + " " + mat[3] + " " + mat[4] + " " + mat[5] + ")");
return true;
}
public AffineTransform getValue(AffineTransform retVal, double curTime) throws SVGException
{
//Init transform with default state
StyleAttribute attr = null;
switch (attribType)
{
case AnimationElement.AT_CSS:
attr = parent.getStyleAbsolute(attribName);
retVal.setTransform(SVGElement.parseSingleTransform(attr.getStringValue()));
break;
case AnimationElement.AT_XML:
attr = parent.getPresAbsolute(attribName);
retVal.setTransform(SVGElement.parseSingleTransform(attr.getStringValue()));
break;
case AnimationElement.AT_AUTO:
attr = parent.getStyleAbsolute(attribName);
if (attr == null) attr = parent.getPresAbsolute(attribName);
retVal.setTransform(SVGElement.parseSingleTransform(attr.getStringValue()));
break;
}
//Update transform with time based information
AnimationTimeEval state = new AnimationTimeEval();
AffineTransform xform = new AffineTransform();
for (Iterator it = animEvents.iterator(); it.hasNext();)
{
AnimateXform ele = (AnimateXform)it.next();
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.concatenate(ele.eval(xform, state.interp));
break;
case AnimationElement.AD_REPLACE:
retVal.setTransform(ele.eval(xform, state.interp));
break;
}
}
return retVal;
}
}
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