/*
* 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 java.awt.geom.*;
import java.awt.*;
import com.kitfox.svg.xml.*;
/**
* @author Mark McKay
* @author <a href="mailto:mark@kitfox.com">Mark McKay</a>
*/
public class Polyline extends ShapeElement {
int fillRule = GeneralPath.WIND_NON_ZERO;
String pointsStrn = "";
// float[] points = null;
GeneralPath path;
/** Creates a new instance of Rect */
public Polyline() {
}
/*
public void loaderStartElement(SVGLoaderHelper helper, Attributes attrs, SVGElement parent)
{
//Load style string
super.loaderStartElement(helper, attrs, parent);
points = XMLParseUtil.parseFloatList(attrs.getValue("points"));
build();
}
*/
public void build() throws SVGException
{
super.build();
StyleAttribute sty = new StyleAttribute();
if (getPres(sty.setName("points"))) pointsStrn = sty.getStringValue();
String fillRuleStrn = getStyle(sty.setName("fill-rule")) ? sty.getStringValue() : "nonzero";
fillRule = fillRuleStrn.equals("evenodd") ? GeneralPath.WIND_EVEN_ODD : GeneralPath.WIND_NON_ZERO;
buildPath();
}
protected void buildPath()
{
float[] points = XMLParseUtil.parseFloatList(pointsStrn);
path = new GeneralPath(fillRule, points.length / 2);
path.moveTo(points[0], points[1]);
for (int i = 2; i < points.length; i += 2)
{
path.lineTo(points[i], points[i + 1]);
}
}
public void render(Graphics2D g) throws SVGException
{
beginLayer(g);
renderShape(g, path);
finishLayer(g);
}
public Shape getShape()
{
return shapeToParent(path);
}
public Rectangle2D getBoundingBox() throws SVGException
{
return boundsToParent(includeStrokeInBounds(path.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 (getStyle(sty.setName("fill-rule")))
{
int newVal = sty.getStringValue().equals("evenodd")
? GeneralPath.WIND_EVEN_ODD
: GeneralPath.WIND_NON_ZERO;
if (newVal != fillRule)
{
fillRule = newVal;
shapeChange = true;
}
}
if (getPres(sty.setName("points")))
{
String newVal = sty.getStringValue();
if (!newVal.equals(pointsStrn))
{
pointsStrn = newVal;
shapeChange = true;
}
}
if (shapeChange)
{
build();
// buildPath();
// return true;
}
return changeState || shapeChange;
}
}