/*******************************************************************************
* Copyright (c) 2006-2012
* Software Technology Group, Dresden University of Technology
* DevBoost GmbH, Berlin, Amtsgericht Charlottenburg, HRB 140026
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Software Technology Group - TU Dresden, Germany;
* DevBoost GmbH - Berlin, Germany
* - initial API and implementation
******************************************************************************/
/*
* @(#)RoundRectangleFigure.java 2.3 2008-07-06
*
* Copyright (c) 1996-2008 by the original authors of JHotDraw
* and all its contributors.
* All rights reserved.
*
* The copyright of this software is owned by the authors and
* contributors of the JHotDraw project ("the copyright holders").
* You may not use, copy or modify this software, except in
* accordance with the license agreement you entered into with
* the copyright holders. For details see accompanying license terms.
*/
package org.jhotdraw.draw;
import java.awt.*;
import java.awt.geom.*;
import java.io.*;
import java.util.*;
import javax.swing.undo.*;
import static org.jhotdraw.draw.AttributeKeys.*;
import org.jhotdraw.geom.*;
import org.jhotdraw.xml.DOMInput;
import org.jhotdraw.xml.DOMOutput;
/**
* A Rectangle2D.Double with round corners.
*
* @author Werner Randelshofer
* @version 2.3 2008-07-06 Changed visibility of instance variables from private
* to protected.
* <br>2.2 2006-06-17 Method chop added.
* 2.1 2006-05-29 Method basetBoundsid not work for bounds smaller
* than 1 pixel.
* <br>2.0 2006-01-14 Changed to support double precison coordinates.
* <br>1.0 2004-03-02 Derived from JHotDraw 6.0b1.
*/
public class RoundRectangleFigure extends AbstractAttributedFigure {
protected RoundRectangle2D.Double roundrect;
protected static final double DEFAULT_ARC = 20;
/** Creates a new instance. */
public RoundRectangleFigure() {
this(0, 0, 0, 0);
}
public RoundRectangleFigure(double x, double y, double width, double height) {
roundrect = new RoundRectangle2D.Double(x, y, width, height, DEFAULT_ARC, DEFAULT_ARC);
/*
FILL_COLOR.set(this, Color.white);
STROKE_COLOR.set(this, Color.black);
*/
}
// DRAWING
protected void drawFill(Graphics2D g) {
RoundRectangle2D.Double r = (RoundRectangle2D.Double) roundrect.clone();
double grow = AttributeKeys.getPerpendicularFillGrowth(this);
r.x -= grow;
r.y -= grow;
r.width += grow * 2;
r.height += grow * 2;
r.arcwidth += grow * 2;
r.archeight += grow * 2;
if (r.width > 0 && r.height > 0) {
g.fill(r);
}
}
protected void drawStroke(Graphics2D g) {
RoundRectangle2D.Double r = (RoundRectangle2D.Double) roundrect.clone();
double grow = AttributeKeys.getPerpendicularDrawGrowth(this);
r.x -= grow;
r.y -= grow;
r.width += grow * 2;
r.height += grow * 2;
r.arcwidth += grow * 2;
r.archeight += grow * 2;
if (r.width > 0 && r.height > 0) {
g.draw(r);
}
}
// SHAPE AND BOUNDS
public Rectangle2D.Double getBounds() {
return (Rectangle2D.Double) roundrect.getBounds2D();
}
public Rectangle2D.Double getDrawingArea() {
Rectangle2D.Double r = (Rectangle2D.Double) roundrect.getBounds2D();
double grow = AttributeKeys.getPerpendicularHitGrowth(this) + 1;
Geom.grow(r, grow, grow);
return r;
}
// ATTRIBUTES
public double getArcWidth() {
return roundrect.arcwidth;
}
public double getArcHeight() {
return roundrect.archeight;
}
public void setArc(final double w, final double h) {
final double oldWidth = roundrect.getArcWidth();
final double oldHeight = roundrect.getArcHeight();
roundrect.arcwidth = w;
roundrect.archeight = h;
}
/**
* Checks if a Point2D.Double is inside the figure.
*/
public boolean contains(Point2D.Double p) {
RoundRectangle2D.Double r = (RoundRectangle2D.Double) roundrect.clone();
double grow = AttributeKeys.getPerpendicularHitGrowth(this);
r.x -= grow;
r.y -= grow;
r.width += grow * 2;
r.height += grow * 2;
r.arcwidth += grow * 2;
r.archeight += grow * 2;
return r.contains(p);
}
public void setBounds(Point2D.Double anchor, Point2D.Double lead) {
roundrect.x = Math.min(anchor.x, lead.x);
roundrect.y = Math.min(anchor.y, lead.y);
roundrect.width = Math.max(0.1, Math.abs(lead.x - anchor.x));
roundrect.height = Math.max(0.1, Math.abs(lead.y - anchor.y));
}
/**
* Transforms the figure.
* @param tx The transformation.
*/
public void transform(AffineTransform tx) {
Point2D.Double anchor = getStartPoint();
Point2D.Double lead = getEndPoint();
setBounds(
(Point2D.Double) tx.transform(anchor, anchor),
(Point2D.Double) tx.transform(lead, lead));
}
// EDITING
public Collection<Handle> createHandles(int detailLevel) {
LinkedList<Handle> handles = (LinkedList<Handle>) super.createHandles(detailLevel);
handles.add(new RoundRectangleRadiusHandle(this));
return handles;
}
public void restoreTransformTo(Object geometry) {
RoundRectangle2D.Double r = (RoundRectangle2D.Double) geometry;
roundrect.x = r.x;
roundrect.y = r.y;
roundrect.width = r.width;
roundrect.height = r.height;
}
public Object getTransformRestoreData() {
return roundrect.clone();
}
// CONNECTING
public Connector findConnector(Point2D.Double p, ConnectionFigure prototype) {
return new ChopRoundRectangleConnector(this);
}
public Connector findCompatibleConnector(Connector c, boolean isStartConnector) {
return new ChopRoundRectangleConnector(this);
}
// COMPOSITE FIGURES
// CLONING
public RoundRectangleFigure clone() {
RoundRectangleFigure that = (RoundRectangleFigure) super.clone();
that.roundrect = (RoundRectangle2D.Double) this.roundrect.clone();
return that;
}
// EVENT HANDLING
// PERSISTENCE
@Override
public void read(DOMInput in) throws IOException {
super.read(in);
roundrect.arcwidth = in.getAttribute("arcWidth", DEFAULT_ARC);
roundrect.archeight = in.getAttribute("arcHeight", DEFAULT_ARC);
}
@Override
public void write(DOMOutput out) throws IOException {
super.write(out);
out.addAttribute("arcWidth", roundrect.arcwidth);
out.addAttribute("arcHeight", roundrect.archeight);
}
}