/**
* ===========================================
* LibFonts : a free Java font reading library
* ===========================================
*
* Project Info: http://reporting.pentaho.org/libfonts/
*
* (C) Copyright 2006-2008, by Pentaho Corporation and Contributors.
*
* This library 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.
*
* This library 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 this
* library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ------------
* DefaultFontStorage.java
* ------------
*/
package org.pentaho.reporting.libraries.fonts.registry;
import org.pentaho.reporting.libraries.fonts.cache.FirstLevelFontCache;
import org.pentaho.reporting.libraries.base.util.DebugLog;
/**
* Creation-Date: 15.12.2005, 18:07:53
*
* @author Thomas Morgner
*/
public class DefaultFontStorage implements FontStorage
{
private FirstLevelFontCache knownMetrics;
private FontRegistry registry;
private FontMetricsFactory metricsFactory;
private FontKey lookupKey;
private int hits;
private int misses;
public DefaultFontStorage(final FontRegistry registry)
{
this.knownMetrics = new FirstLevelFontCache(registry.getSecondLevelCache());
this.registry = registry;
this.metricsFactory = registry.createMetricsFactory();
this.lookupKey = new FontKey();
}
public FontRegistry getFontRegistry()
{
return registry;
}
public FontMetrics getFontMetrics(final FontIdentifier record,
final FontContext context)
{
if (record == null)
{
throw new NullPointerException();
}
if (context == null)
{
throw new NullPointerException();
}
lookupKey.setAliased(context.isAntiAliased());
lookupKey.setFontSize(context.getFontSize());
lookupKey.setIdentifier(record);
lookupKey.setFractional(context.isFractionalMetrics());
final FontMetrics cachedMetrics = knownMetrics.getFontMetrics(lookupKey);
if (cachedMetrics != null)
{
hits += 1;
return cachedMetrics;
}
misses += 1;
final FontKey key = new FontKey(record, context.isAntiAliased(),
context.isFractionalMetrics(), context.getFontSize());
final FontMetrics metrics = metricsFactory.createMetrics(record, context);
knownMetrics.putFontMetrics(key, metrics);
return metrics;
}
public void commit()
{
DebugLog.log("Font-Storage: hits=" + hits + ", misses=" + misses);
knownMetrics.commit();
}
}