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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 January 26, 2004, 5:25 PM
*/
package com.kitfox.svg;
import com.kitfox.svg.xml.StyleAttribute;
import com.kitfox.svg.xml.*;
import org.xml.sax.*;
import java.awt.*;
import java.awt.geom.*;
/**
* @author Mark McKay
* @author <a href="mailto:mark@kitfox.com">Mark McKay</a>
*/
public class Ellipse extends ShapeElement {
float cx = 0.0f;
float cy = 0.0f;
float rx = 0.0f;
float ry = 0.0f;
Ellipse2D.Float ellipse = new Ellipse2D.Float();
/** Creates a new instance of Rect */
public Ellipse() {
}
/*
protected void init(String idIn, Style parentStyle, String cx, String cy, String rx, String ry) {
super.init(idIn, parentStyle);
this.cx = parseDouble(cx);
this.cy = parseDouble(cy);
this.rx = parseDouble(rx);
this.ry = parseDouble(ry);
setBounds(this.cx - this.rx, this.cy - this.ry, this.rx * 2.0, this.ry * 2.0);
}
*/
/*
public void loaderStartElement(SVGLoaderHelper helper, Attributes attrs, SVGElement parent)
{
//Load style string
super.loaderStartElement(helper, attrs, parent);
String cx = attrs.getValue("cx");
String cy = attrs.getValue("cy");
String rx = attrs.getValue("rx");
String ry = attrs.getValue("ry");
this.cx = XMLParseUtil.parseDouble(cx);
this.cy = XMLParseUtil.parseDouble(cy);
this.rx = XMLParseUtil.parseDouble(rx);
this.ry = XMLParseUtil.parseDouble(ry);
build();
}
*/
/*
public void loaderEndElement(SVGLoaderHelper helper)
{
super.loaderEndElement(helper);
build();
}
*/
protected void build() throws SVGException
{
super.build();
StyleAttribute sty = new StyleAttribute();
if (getPres(sty.setName("cx"))) cx = sty.getFloatValueWithUnits();
if (getPres(sty.setName("cy"))) cy = sty.getFloatValueWithUnits();
if (getPres(sty.setName("rx"))) rx = sty.getFloatValueWithUnits();
if (getPres(sty.setName("ry"))) ry = sty.getFloatValueWithUnits();
ellipse.setFrame(cx - rx, cy - ry, rx * 2f, ry * 2f);
}
public void render(Graphics2D g) throws SVGException
{
beginLayer(g);
renderShape(g, ellipse);
finishLayer(g);
}
public Shape getShape()
{
return shapeToParent(ellipse);
}
public Rectangle2D getBoundingBox() throws SVGException
{
return boundsToParent(includeStrokeInBounds(ellipse.getBounds2D()));
}
/**
* Updates all attributes in this diagram associated with a time event.
* Ie, all attributes with track information.
* @return - true if this node has changed state as a result of the time
* update
*/
public boolean updateTime(double curTime) throws SVGException
{
// if (trackManager.getNumTracks() == 0) return false;
boolean changeState = super.updateTime(curTime);
//Get current values for parameters
StyleAttribute sty = new StyleAttribute();
boolean shapeChange = false;
if (getPres(sty.setName("cx")))
{
float newCx = sty.getFloatValueWithUnits();
if (newCx != cx)
{
cx = newCx;
shapeChange = true;
}
}
if (getPres(sty.setName("cy")))
{
float newCy = sty.getFloatValueWithUnits();
if (newCy != cy)
{
cy = newCy;
shapeChange = true;
}
}
if (getPres(sty.setName("rx")))
{
float newRx = sty.getFloatValueWithUnits();
if (newRx != rx)
{
rx = newRx;
shapeChange = true;
}
}
if (getPres(sty.setName("ry")))
{
float newRy = sty.getFloatValueWithUnits();
if (newRy != ry)
{
ry = newRy;
shapeChange = true;
}
}
if (shapeChange)
{
build();
// ellipse.setFrame(cx - rx, cy - ry, rx * 2f, ry * 2f);
// return true;
}
return changeState || shapeChange;
}
}
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