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SVG Salamander - tools and components for SVG rendering, manipulation and animation
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/*
* 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 [email protected]. 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.*;
import java.awt.geom.*;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
/**
* @author Mark McKay
* @author Mark McKay
*/
public class Rect extends ShapeElement {
float x = 0f;
float y = 0f;
float width = 0f;
float height = 0f;
float rx = 0f;
float ry = 0f;
RectangularShape rect;
/** Creates a new instance of Rect */
public Rect() {
}
private void writeObject(ObjectOutputStream out) throws IOException
{
out.writeFloat(x);
out.writeFloat(y);
out.writeFloat(width);
out.writeFloat(height);
out.writeFloat(rx);
out.writeFloat(ry);
}
private void readObject(ObjectInputStream in) throws IOException
{
x = in.readFloat();
y = in.readFloat();
width = in.readFloat();
height = in.readFloat();
rx = in.readFloat();
ry = in.readFloat();
if (rx == 0f && ry == 0f)
{
rect = new Rectangle2D.Float(x, y, width, height);
}
else
{
rect = new RoundRectangle2D.Float(x, y, width, height, rx * 2, ry * 2);
}
}
/*
public void loaderStartElement(SVGLoaderHelper helper, Attributes attrs, SVGElement parent)
{
//Load style string
super.loaderStartElement(helper, attrs, parent);
String x = attrs.getValue("x");
String y = attrs.getValue("y");
String width = attrs.getValue("width");
String height = attrs.getValue("height");
String rx = attrs.getValue("rx");
String ry = attrs.getValue("ry");
if (rx == null) rx = ry;
if (ry == null) ry = rx;
this.x = XMLParseUtil.parseFloat(x);
this.y = XMLParseUtil.parseFloat(y);
this.width = XMLParseUtil.parseFloat(width);
this.height = XMLParseUtil.parseFloat(height);
if (rx != null)
{
this.rx = XMLParseUtil.parseFloat(rx);
this.ry = XMLParseUtil.parseFloat(ry);
}
build();
// setBounds(this.x, this.y, this.width, this.height);
}
*/
protected void build() throws SVGException
{
super.build();
StyleAttribute sty = new StyleAttribute();
// SVGElement parent = this.getParent();
// if (parent instanceof RenderableElement)
// {
// RenderableElement re = (RenderableElement)parent;
// Rectangle2D bounds = re.getBoundingBox();
// bounds = null;
// }
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();
boolean rxSet = false;
if (getPres(sty.setName("rx"))) { rx = sty.getFloatValueWithUnits(); rxSet = true; }
boolean rySet = false;
if (getPres(sty.setName("ry"))) { ry = sty.getFloatValueWithUnits(); rySet = true; }
if (!rxSet) rx = ry;
if (!rySet) ry = rx;
if (rx == 0f && ry == 0f)
{
rect = new Rectangle2D.Float(x, y, width, height);
}
else
{
rect = new RoundRectangle2D.Float(x, y, width, height, rx * 2, ry * 2);
}
}
public void render(Graphics2D g) throws SVGException
{
beginLayer(g);
renderShape(g, rect);
finishLayer(g);
}
public Shape getShape()
{
return shapeToParent(rect);
}
public Rectangle2D getBoundingBox() throws SVGException
{
return boundsToParent(includeStrokeInBounds(rect.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("x")))
{
float newVal = sty.getFloatValueWithUnits();
if (newVal != x)
{
x = newVal;
shapeChange = true;
}
}
if (getPres(sty.setName("y")))
{
float newVal = sty.getFloatValueWithUnits();
if (newVal != y)
{
y = newVal;
shapeChange = true;
}
}
if (getPres(sty.setName("width")))
{
float newVal = sty.getFloatValueWithUnits();
if (newVal != width)
{
width = newVal;
shapeChange = true;
}
}
if (getPres(sty.setName("height")))
{
float newVal = sty.getFloatValueWithUnits();
if (newVal != height)
{
height = newVal;
shapeChange = true;
}
}
if (getPres(sty.setName("rx")))
{
float newVal = sty.getFloatValueWithUnits();
if (newVal != rx)
{
rx = newVal;
shapeChange = true;
}
}
if (getPres(sty.setName("ry")))
{
float newVal = sty.getFloatValueWithUnits();
if (newVal != ry)
{
ry = newVal;
shapeChange = true;
}
}
if (shapeChange)
{
build();
// if (rx == 0f && ry == 0f)
// {
// rect = new Rectangle2D.Float(x, y, width, height);
// }
// else
// {
// rect = new RoundRectangle2D.Float(x, y, width, height, rx * 2, ry * 2);
// }
// return true;
}
return changeState || shapeChange;
}
}