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* ===========================================
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* LibFonts : a free Java font reading library
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* ===========================================
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* Project Info: http://reporting.pentaho.org/libfonts/
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* (C) Copyright 2006-2007, by Pentaho Corporation and Contributors.
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* This library is free software; you can redistribute it and/or modify it under the terms
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* of the GNU Lesser General Public License as published by the Free Software Foundation;
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* either version 2.1 of the License, or (at your option) any later version.
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* This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public License along with this
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* library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307, USA.
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* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
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* in the United States and other countries.]
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* $Id: DefaultKerningProducer.java 3523 2007-10-16 11:03:09Z tmorgner $
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* (C) Copyright 2006-2007, by Pentaho Corporation.
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package org.jfree.fonts.text.font;
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import org.jfree.fonts.registry.FontMetrics;
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import org.jfree.fonts.text.ClassificationProducer;
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* Creation-Date: 11.06.2006, 18:30:42
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* @author Thomas Morgner
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public class DefaultKerningProducer implements KerningProducer
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private int lastCodePoint;
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private FontMetrics fontMetrics;
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public DefaultKerningProducer(final FontMetrics fontMetrics)
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if (fontMetrics == null)
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throw new NullPointerException();
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this.fontMetrics = fontMetrics;
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public long getKerning(final int codePoint)
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if (codePoint == ClassificationProducer.START_OF_TEXT || codePoint == ClassificationProducer.END_OF_TEXT)
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final long d = fontMetrics.getKerning(lastCodePoint, codePoint);
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lastCodePoint = codePoint;
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public Object clone() throws CloneNotSupportedException