/*
* Rect.java
*
*
* The Salamander Project - 2D and 3D graphics libraries in Java
* Copyright (C) 2004 Mark McKay
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* 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 java.awt.Graphics2D;
import java.awt.Shape;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Rectangle2D;
/**
* @author Mark McKay
* @author <a href="mailto:mark@kitfox.com">Mark McKay</a>
*/
public class Circle extends ShapeElement
{
float cx = 0f;
float cy = 0f;
float r = 0f;
Ellipse2D.Float circle = new Ellipse2D.Float();
/** Creates a new instance of Rect */
public Circle() {
}
/*
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 r = attrs.getValue("r");
this.cx = XMLParseUtil.parseFloat(cx);
this.cy = XMLParseUtil.parseFloat(cy);
this.r = XMLParseUtil.parseFloat(r);
build();
//setBounds(this.cx - this.r, this.cy - this.r, this.r * 2.0, this.r * 2.0);
}
*/
/*
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("r"))) r = sty.getFloatValueWithUnits();
circle.setFrame(cx - r, cy - r, r * 2f, r * 2f);
}
public void render(Graphics2D g) throws SVGException
{
beginLayer(g);
renderShape(g, circle);
finishLayer(g);
}
public Shape getShape()
{
return shapeToParent(circle);
}
public Rectangle2D getBoundingBox() throws SVGException
{
return boundsToParent(includeStrokeInBounds(circle.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 newVal = sty.getFloatValueWithUnits();
if (newVal != cx)
{
cx = newVal;
shapeChange = true;
}
}
if (getPres(sty.setName("cy")))
{
float newVal = sty.getFloatValueWithUnits();
if (newVal != cy)
{
cy = newVal;
shapeChange = true;
}
}
if (getPres(sty.setName("r")))
{
float newVal = sty.getFloatValueWithUnits();
if (newVal != r)
{
r = newVal;
shapeChange = true;
}
}
if (shapeChange)
{
build();
// circle.setFrame(cx - r, cy - r, r * 2f, r * 2f);
// return true;
}
return changeState || shapeChange;
}
}