/*******************************************************************************
* CogTool Copyright Notice and Distribution Terms
* CogTool 1.3, Copyright (c) 2005-2013 Carnegie Mellon University
* This software is distributed under the terms of the FSF Lesser
* Gnu Public License (see LGPL.txt).
*
* CogTool 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.
*
* CogTool 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 CogTool; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* CogTool makes use of several third-party components, with the
* following notices:
*
* Eclipse SWT version 3.448
* Eclipse GEF Draw2D version 3.2.1
*
* Unless otherwise indicated, all Content made available by the Eclipse
* Foundation is provided to you under the terms and conditions of the Eclipse
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* Content and is also available at http://www.eclipse.org/legal/epl-v10.html.
*
* CLISP version 2.38
*
* Copyright (c) Sam Steingold, Bruno Haible 2001-2006
* This software is distributed under the terms of the FSF Gnu Public License.
* See COPYRIGHT file in clisp installation folder for more information.
*
* ACT-R 6.0
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* Copyright (c) 1998-2007 Dan Bothell, Mike Byrne, Christian Lebiere &
* John R Anderson.
* This software is distributed under the terms of the FSF Lesser
* Gnu Public License (see LGPL.txt).
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* Apache Jakarta Commons-Lang 2.1
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* Copyright (c) 2004-2013 Paul R. Holser, Jr.
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*
* Mozilla XULRunner 1.9.0.5
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* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in
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******************************************************************************/
package edu.cmu.cs.hcii.cogtool.model;
import java.io.IOException;
import org.apache.commons.lang.builder.HashCodeBuilder;
import edu.cmu.cs.hcii.cogtool.util.ObjectLoader;
import edu.cmu.cs.hcii.cogtool.util.ObjectSaver;
/**
* This class is used to represent a rectangle.
*
* Hashcode 67,71
*
* @author alexeiser
*/
public class DoubleRectangle
{
public static final int edu_cmu_cs_hcii_cogtool_model_DoubleRectangle_version = 0;
protected static final String xVAR = "x";
protected static final String yVAR = "y";
protected static final String widthVAR = "width";
protected static final String heightVAR = "height";
// TODO There's potentially trouble afoot here. When this class was
// created it was intended to be immutable. Someone at some point
// made these fields public, which kind shoots the immutability all
// to pieces. I fear there may be places that use DoubleRectangles
// that will be surprised to find them changing out from under them.
public double x;
public double y;
public double width;
public double height;
private int myHashCode = hashCode();
private static ObjectSaver.IDataSaver<DoubleRectangle> SAVER =
new ObjectSaver.ADataSaver<DoubleRectangle>() {
@Override
public int getVersion()
{
return edu_cmu_cs_hcii_cogtool_model_DoubleRectangle_version;
}
@Override
public void saveData(DoubleRectangle v, ObjectSaver saver)
throws IOException
{
saver.saveDouble(v.x, xVAR);
saver.saveDouble(v.y, yVAR);
saver.saveDouble(v.width, widthVAR);
saver.saveDouble(v.height, heightVAR);
}
};
public static void registerSaver()
{
ObjectSaver.registerSaver(DoubleRectangle.class.getName(), SAVER);
}
private static ObjectLoader.IObjectLoader<DoubleRectangle> LOADER =
new ObjectLoader.AObjectLoader<DoubleRectangle>() {
@Override
public DoubleRectangle createObject()
{
return new DoubleRectangle();
}
@Override
public void set(DoubleRectangle target, String variable, double value)
{
if (variable != null) {
if (variable.equals(xVAR)) {
target.x = value;
}
else if (variable.equals(yVAR)) {
target.y = value;
}
else if (variable.equals(widthVAR)) {
target.width = value;
}
else if (variable.equals(heightVAR)) {
target.height = value;
}
}
}
};
public static void registerLoader()
{
ObjectLoader.registerLoader(DoubleRectangle.class.getName(),
edu_cmu_cs_hcii_cogtool_model_DoubleRectangle_version,
LOADER);
}
public DoubleRectangle(double newX,
double newY,
double newWidth,
double newHeight)
{
x = newX;
y = newY;
width = newWidth;
height = newHeight;
}
public DoubleRectangle(DoublePoint o, DoubleSize s)
{
this(o.x, o.y, s.width, s.height);
}
/**
* @param r
*/
public DoubleRectangle(DoubleRectangle r)
{
this(r.x, r.y, r.width, r.height);
}
/**
* Zero-argument constructor for use by loading.
*/
protected DoubleRectangle() { }
/**
* @return x
*/
public double getX()
{
return x;
}
/**
* @return y
*/
public double getY()
{
return y;
}
/**
* @return width
*/
public double getWidth()
{
return width;
}
/**
* @return height
*/
public double getHeight()
{
return height;
}
// For overriding purposes
protected boolean valueEquals(DoubleRectangle other)
{
return (other != null) &&
(x == other.x) && (y == other.y) &&
(width == other.width) && (height == other.height);
}
@Override
public boolean equals(Object other)
{
return (other != null) &&
(other.getClass() == DoubleRectangle.class) &&
valueEquals((DoubleRectangle) other);
}
@Override
public int hashCode()
{
if (myHashCode == 0) {
// Must have a unique ODD number for each class which uses
// hashCodeBuilder.
// this : 67,71
myHashCode = new HashCodeBuilder(67, 71).append(x)
.append(y)
.append(width)
.append(height)
.toHashCode();
}
return myHashCode;
}
@Override
public String toString()
{
return "(" + x + "," + y + ","
+ width + "," + height + ")";
}
public void copyFrom(DoubleRectangle rect)
{
x = rect.x;
y = rect.y;
width = rect.width;
height = rect.height;
}
public void copyFrom(double rectX, double rectY,
double rectWidth, double rectHeight)
{
x = rectX;
y = rectY;
width = rectWidth;
height = rectHeight;
}
public boolean intersects(DoubleRectangle rect)
{
return (rect.x < x + width)
&& (rect.y < y + height)
&& (rect.x + rect.width > x)
&& (rect.y + rect.height > y);
}
public boolean intersects(double testX, double testY,
double testWidth, double testHeight)
{
return (testX < x + width)
&& (testY < y + height)
&& (testX + testWidth > x)
&& (testY + testHeight > y);
}
public void intersectInto(double otherX,
double otherY,
double otherWidth,
double otherHeight)
{
double right = x + width;
double bottom = y + height;
double otherRight = otherX + otherWidth;
double otherBottom = otherY + otherHeight;
x = Math.max(x, otherX);
y = Math.max(y, otherY);
width = Math.min(right, otherRight) - x;
height = Math.min(bottom, otherBottom) - y;
}
public DoubleRectangle intersect(DoubleRectangle r)
{
DoubleRectangle result = new DoubleRectangle(this);
result.intersectInto(r.x, r.y, r.width, r.height);
return result;
}
public void unionInto(double otherX,
double otherY,
double otherWidth,
double otherHeight)
{
double right = x + width;
double bottom = y + height;
double otherRight = otherX + otherWidth;
double otherBottom = otherY + otherHeight;
x = Math.min(x, otherX);
y = Math.min(y, otherY);
width = Math.max(right, otherRight) - x;
height = Math.max(bottom, otherBottom) - y;
}
public DoubleRectangle union(DoubleRectangle r)
{
DoubleRectangle result = new DoubleRectangle(this);
result.unionInto(r.x, r.y, r.width, r.height);
return result;
}
}