/*
* 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 March 18, 2004, 6:52 AM
*/
package com.kitfox.svg;
import java.awt.geom.*;
import java.net.*;
import java.util.*;
import com.kitfox.svg.xml.*;
/**
* @author Mark McKay
* @author <a href="mailto:mark@kitfox.com">Mark McKay</a>
*/
public class Filter extends SVGElement
{
public static final int FU_OBJECT_BOUNDING_BOX = 0;
public static final int FU_USER_SPACE_ON_USE = 1;
protected int filterUnits = FU_OBJECT_BOUNDING_BOX;
public static final int PU_OBJECT_BOUNDING_BOX = 0;
public static final int PU_USER_SPACE_ON_USE = 1;
protected int primitiveUnits = PU_OBJECT_BOUNDING_BOX;
float x = 0f;
float y = 0f;
float width = 1f;
float height = 1f;
Point2D filterRes = new Point2D.Double();
URL href = null;
final ArrayList filterEffects = new ArrayList();
/** Creates a new instance of FillElement */
public Filter() {
}
/**
* Called after the start element but before the end element to indicate
* each child tag that has been processed
*/
public void loaderAddChild(SVGLoaderHelper helper, SVGElement child) throws SVGElementException
{
super.loaderAddChild(helper, child);
if (child instanceof FilterEffects)
{
filterEffects.add(child);
}
}
protected void build() throws SVGException
{
super.build();
StyleAttribute sty = new StyleAttribute();
String strn;
if (getPres(sty.setName("filterUnits")))
{
strn = sty.getStringValue().toLowerCase();
if (strn.equals("userspaceonuse")) filterUnits = FU_USER_SPACE_ON_USE;
else filterUnits = FU_OBJECT_BOUNDING_BOX;
}
if (getPres(sty.setName("primitiveUnits")))
{
strn = sty.getStringValue().toLowerCase();
if (strn.equals("userspaceonuse")) primitiveUnits = PU_USER_SPACE_ON_USE;
else primitiveUnits = PU_OBJECT_BOUNDING_BOX;
}
if (getPres(sty.setName("x"))) x = sty.getFloatValueWithUnits();
if (getPres(sty.setName("y"))) y = sty.getFloatValueWithUnits();
if (getPres(sty.setName("width"))) width = sty.getFloatValueWithUnits();
if (getPres(sty.setName("height"))) height = sty.getFloatValueWithUnits();
try {
if (getPres(sty.setName("xlink:href")))
{
URI src = sty.getURIValue(getXMLBase());
href = src.toURL();
}
}
catch (Exception e)
{
throw new SVGException(e);
}
}
public float getX() { return x; }
public float getY() { return y; }
public float getWidth() { return width; }
public float getHeight() { return height; }
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("width")))
{
float newVal = sty.getFloatValueWithUnits();
if (newVal != width)
{
width = newVal;
stateChange = true;
}
}
if (getPres(sty.setName("height")))
{
float newVal = sty.getFloatValueWithUnits();
if (newVal != height)
{
height = newVal;
stateChange = true;
}
}
try {
if (getPres(sty.setName("xlink:href")))
{
URI src = sty.getURIValue(getXMLBase());
URL newVal = src.toURL();
if (!newVal.equals(href))
{
href = newVal;
stateChange = true;
}
}
}
catch (Exception e)
{
throw new SVGException(e);
}
if (getPres(sty.setName("filterUnits")))
{
int newVal;
String strn = sty.getStringValue().toLowerCase();
if (strn.equals("userspaceonuse")) newVal = FU_USER_SPACE_ON_USE;
else newVal = FU_OBJECT_BOUNDING_BOX;
if (newVal != filterUnits)
{
filterUnits = newVal;
stateChange = true;
}
}
if (getPres(sty.setName("primitiveUnits")))
{
int newVal;
String strn = sty.getStringValue().toLowerCase();
if (strn.equals("userspaceonuse")) newVal = PU_USER_SPACE_ON_USE;
else newVal = PU_OBJECT_BOUNDING_BOX;
if (newVal != filterUnits)
{
primitiveUnits = newVal;
stateChange = true;
}
}
return stateChange;
}
}
