/******************************************************************************* * Copyright (c) 2000, 2016 IBM Corporation and others. * * This program and the accompanying materials * are made available under the terms of the Eclipse Public License 2.0 * which accompanies this distribution, and is available at * https://www.eclipse.org/legal/epl-2.0/ * * SPDX-License-Identifier: EPL-2.0 * * Contributors: * IBM Corporation - initial API and implementation *******************************************************************************/ package org.eclipse.swt.graphics; import org.eclipse.swt.*; import org.eclipse.swt.internal.*; /** * Instances of this class represent glyph metrics. *
* The hashCode() method in this class uses the values of the public * fields to compute the hash value. When storing instances of the * class in hashed collections, do not modify these fields after the * object has been inserted. *
*
* Application code does not need to explicitly release the
* resources managed by each instance when those instances are no longer
* required, and thus no dispose()
method is provided.
*
true
if the object is the same as this object and false
otherwise
*
* @see #hashCode()
*/
@Override
public boolean equals (Object object) {
if (object == this) return true;
if (!(object instanceof GlyphMetrics)) return false;
GlyphMetrics metrics = (GlyphMetrics)object;
return metrics.ascent == ascent && metrics.descent == descent && metrics.width == width;
}
/**
* Returns an integer hash code for the receiver. Any two
* objects that return true
when passed to
* equals
must return the same value for this
* method.
*
* @return the receiver's hash
*
* @see #equals(Object)
*/
@Override
public int hashCode () {
return ascent ^ descent ^ width;
}
/**
* Returns a string containing a concise, human-readable
* description of the receiver.
*
* @return a string representation of the GlyphMetrics
*/
@Override
public String toString () {
return "GlyphMetrics {" + ascent + ", " + descent + ", " + width + "}"; //$NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
}
}