/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program 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.
*
* Copyright (c) 2006 - 2013 Pentaho Corporation and Contributors. All rights reserved.
*/
package org.pentaho.reporting.libraries.fonts.text.font;
import org.pentaho.reporting.libraries.fonts.registry.FontMetrics;
import org.pentaho.reporting.libraries.fonts.text.ClassificationProducer;
/**
* Creation-Date: 11.06.2006, 18:30:42
*
* @author Thomas Morgner
*/
public class DefaultKerningProducer implements KerningProducer {
private int lastCodePoint;
private FontMetrics fontMetrics;
public DefaultKerningProducer( final FontMetrics fontMetrics ) {
if ( fontMetrics == null ) {
throw new NullPointerException();
}
this.fontMetrics = fontMetrics;
}
public long getKerning( final int codePoint ) {
if ( codePoint == ClassificationProducer.START_OF_TEXT || codePoint == ClassificationProducer.END_OF_TEXT ) {
lastCodePoint = 0;
return 0;
}
final long d = fontMetrics.getKerning( lastCodePoint, codePoint );
lastCodePoint = codePoint;
return d;
}
public Object clone() throws CloneNotSupportedException {
return super.clone();
}
}