/*
* 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.registry;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.pentaho.reporting.libraries.fonts.cache.FirstLevelFontCache;
/**
* Creation-Date: 15.12.2005, 18:07:53
*
* @author Thomas Morgner
*/
public class DefaultFontStorage implements FontStorage {
private static final Log logger = LogFactory.getLog( DefaultFontStorage.class );
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() {
logger.debug( "Font-Storage: hits=" + hits + ", misses=" + misses );
knownMetrics.commit();
}
}