/*
* 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 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
{
public static final String TAG_NAME = "circle";
float cx = 0f;
float cy = 0f;
float r = 0f;
Ellipse2D.Float circle = new Ellipse2D.Float();
/**
* Creates a new instance of Rect
*/
public Circle()
{
}
public String getTagName()
{
return TAG_NAME;
}
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;
}
}