/* * Copyright (c) 1995, 2008, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code 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 General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */package java.awt;import java.awt.geom.Dimension2D;import java.beans.Transient;/** * The <code>Dimension</code> class encapsulates the width and * height of a component (in integer precision) in a single object. * The class is * associated with certain properties of components. Several methods * defined by the <code>Component</code> class and the * <code>LayoutManager</code> interface return a * <code>Dimension</code> object. * <p> * Normally the values of <code>width</code> * and <code>height</code> are non-negative integers. * The constructors that allow you to create a dimension do * not prevent you from setting a negative value for these properties. * If the value of <code>width</code> or <code>height</code> is * negative, the behavior of some methods defined by other objects is * undefined. * * @author Sami Shaio * @author Arthur van Hoff * @see java.awt.Component * @see java.awt.LayoutManager * @since 1.0 */public class Dimension extends Dimension2D implements java.io.Serializable { /** * The width dimension; negative values can be used. * * @serial * @see #getSize * @see #setSize * @since 1.0 */ public int width; /** * The height dimension; negative values can be used. * * @serial * @see #getSize * @see #setSize * @since 1.0 */ public int height; /* * JDK 1.1 serialVersionUID */ private static final long serialVersionUID = 4723952579491349524L; /** * Initialize JNI field and method IDs */ private static native void initIDs(); static { /* ensure that the necessary native libraries are loaded */ Toolkit.loadLibraries(); if (!GraphicsEnvironment.isHeadless()) { initIDs(); } } /** * Creates an instance of <code>Dimension</code> with a width * of zero and a height of zero. */ public Dimension() { this(0, 0); } /** * Creates an instance of <code>Dimension</code> whose width * and height are the same as for the specified dimension. * * @param d the specified dimension for the * <code>width</code> and * <code>height</code> values */ public Dimension(Dimension d) { this(d.width, d.height); } /** * Constructs a <code>Dimension</code> and initializes * it to the specified width and specified height. * * @param width the specified width * @param height the specified height */ public Dimension(int width, int height) { this.width = width; this.height = height; } /** * {@inheritDoc} * @since 1.2 */ public double getWidth() { return width; } /** * {@inheritDoc} * @since 1.2 */ public double getHeight() { return height; } /** * Sets the size of this <code>Dimension</code> object to * the specified width and height in double precision. * Note that if <code>width</code> or <code>height</code> * are larger than <code>Integer.MAX_VALUE</code>, they will * be reset to <code>Integer.MAX_VALUE</code>. * * @param width the new width for the <code>Dimension</code> object * @param height the new height for the <code>Dimension</code> object * @since 1.2 */ public void setSize(double width, double height) { this.width = (int) Math.ceil(width); this.height = (int) Math.ceil(height); } /** * Gets the size of this <code>Dimension</code> object. * This method is included for completeness, to parallel the * <code>getSize</code> method defined by <code>Component</code>. * * @return the size of this dimension, a new instance of * <code>Dimension</code> with the same width and height * @see java.awt.Dimension#setSize * @see java.awt.Component#getSize * @since 1.1 */ @Transient public Dimension getSize() { return new Dimension(width, height); } /** * Sets the size of this <code>Dimension</code> object to the specified size. * This method is included for completeness, to parallel the * <code>setSize</code> method defined by <code>Component</code>. * @param d the new size for this <code>Dimension</code> object * @see java.awt.Dimension#getSize * @see java.awt.Component#setSize * @since 1.1 */ public void setSize(Dimension d) { setSize(d.width, d.height); } /** * Sets the size of this <code>Dimension</code> object * to the specified width and height. * This method is included for completeness, to parallel the * <code>setSize</code> method defined by <code>Component</code>. * * @param width the new width for this <code>Dimension</code> object * @param height the new height for this <code>Dimension</code> object * @see java.awt.Dimension#getSize * @see java.awt.Component#setSize * @since 1.1 */ public void setSize(int width, int height) { this.width = width; this.height = height; } /** * Checks whether two dimension objects have equal values. */ public boolean equals(Object obj) { if (obj instanceof Dimension) { Dimension d = (Dimension)obj; return (width == d.width) && (height == d.height); } return false; } /** * Returns the hash code for this <code>Dimension</code>. * * @return a hash code for this <code>Dimension</code> */ public int hashCode() { int sum = width + height; return sum * (sum + 1)/2 + width; } /** * Returns a string representation of the values of this * <code>Dimension</code> object's <code>height</code> and * <code>width</code> fields. This method is intended to be used only * for debugging purposes, and the content and format of the returned * string may vary between implementations. The returned string may be * empty but may not be <code>null</code>. * * @return a string representation of this <code>Dimension</code> * object */ public String toString() { return getClass().getName() + "[width=" + width + ",height=" + height + "]"; }}
/*
* Copyright (c) 1995, 2008, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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 General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package java.awt;
import java.awt.geom.Dimension2D;
import java.beans.Transient;
/**
* The <code>Dimension</code> class encapsulates the width and
* height of a component (in integer precision) in a single object.
* The class is
* associated with certain properties of components. Several methods
* defined by the <code>Component</code> class and the
* <code>LayoutManager</code> interface return a
* <code>Dimension</code> object.
* <p>
* Normally the values of <code>width</code>
* and <code>height</code> are non-negative integers.
* The constructors that allow you to create a dimension do
* not prevent you from setting a negative value for these properties.
* If the value of <code>width</code> or <code>height</code> is
* negative, the behavior of some methods defined by other objects is
* undefined.
*
* @author Sami Shaio
* @author Arthur van Hoff
* @see java.awt.Component
* @see java.awt.LayoutManager
* @since 1.0
*/
public class Dimension extends Dimension2D implements java.io.Serializable {
/**
* The width dimension; negative values can be used.
*
* @serial
* @see #getSize
* @see #setSize
* @since 1.0
*/
public int width;
/**
* The height dimension; negative values can be used.
*
* @serial
* @see #getSize
* @see #setSize
* @since 1.0
*/
public int height;
/*
* JDK 1.1 serialVersionUID
*/
private static final long serialVersionUID = 4723952579491349524L;
/**
* Initialize JNI field and method IDs
*/
private static native void initIDs();
static {
/* ensure that the necessary native libraries are loaded */
Toolkit.loadLibraries();
if (!GraphicsEnvironment.isHeadless()) {
initIDs();
}
}
/**
* Creates an instance of <code>Dimension</code> with a width
* of zero and a height of zero.
*/
public Dimension() {
this(0, 0);
}
/**
* Creates an instance of <code>Dimension</code> whose width
* and height are the same as for the specified dimension.
*
* @param d the specified dimension for the
* <code>width</code> and
* <code>height</code> values
*/
public Dimension(Dimension d) {
this(d.width, d.height);
}
/**
* Constructs a <code>Dimension</code> and initializes
* it to the specified width and specified height.
*
* @param width the specified width
* @param height the specified height
*/
public Dimension(int width, int height) {
this.width = width;
this.height = height;
}
/**
* {@inheritDoc}
* @since 1.2
*/
public double getWidth() {
return width;
}
/**
* {@inheritDoc}
* @since 1.2
*/
public double getHeight() {
return height;
}
/**
* Sets the size of this <code>Dimension</code> object to
* the specified width and height in double precision.
* Note that if <code>width</code> or <code>height</code>
* are larger than <code>Integer.MAX_VALUE</code>, they will
* be reset to <code>Integer.MAX_VALUE</code>.
*
* @param width the new width for the <code>Dimension</code> object
* @param height the new height for the <code>Dimension</code> object
* @since 1.2
*/
public void setSize(double width, double height) {
this.width = (int) Math.ceil(width);
this.height = (int) Math.ceil(height);
}
/**
* Gets the size of this <code>Dimension</code> object.
* This method is included for completeness, to parallel the
* <code>getSize</code> method defined by <code>Component</code>.
*
* @return the size of this dimension, a new instance of
* <code>Dimension</code> with the same width and height
* @see java.awt.Dimension#setSize
* @see java.awt.Component#getSize
* @since 1.1
*/
@Transient
public Dimension getSize() {
return new Dimension(width, height);
}
/**
* Sets the size of this <code>Dimension</code> object to the specified size.
* This method is included for completeness, to parallel the
* <code>setSize</code> method defined by <code>Component</code>.
* @param d the new size for this <code>Dimension</code> object
* @see java.awt.Dimension#getSize
* @see java.awt.Component#setSize
* @since 1.1
*/
public void setSize(Dimension d) {
setSize(d.width, d.height);
}
/**
* Sets the size of this <code>Dimension</code> object
* to the specified width and height.
* This method is included for completeness, to parallel the
* <code>setSize</code> method defined by <code>Component</code>.
*
* @param width the new width for this <code>Dimension</code> object
* @param height the new height for this <code>Dimension</code> object
* @see java.awt.Dimension#getSize
* @see java.awt.Component#setSize
* @since 1.1
*/
public void setSize(int width, int height) {
this.width = width;
this.height = height;
}
/**
* Checks whether two dimension objects have equal values.
*/
public boolean equals(Object obj) {
if (obj instanceof Dimension) {
Dimension d = (Dimension)obj;
return (width == d.width) && (height == d.height);
}
return false;
}
/**
* Returns the hash code for this <code>Dimension</code>.
*
* @return a hash code for this <code>Dimension</code>
*/
public int hashCode() {
int sum = width + height;
return sum * (sum + 1)/2 + width;
}
/**
* Returns a string representation of the values of this
* <code>Dimension</code> object's <code>height</code> and
* <code>width</code> fields. This method is intended to be used only
* for debugging purposes, and the content and format of the returned
* string may vary between implementations. The returned string may be
* empty but may not be <code>null</code>.
*
* @return a string representation of this <code>Dimension</code>
* object
*/
public String toString() {
return getClass().getName() + "[width=" + width + ",height=" + height + "]";
}
}