/**
* ===========================================
* LibFonts : a free Java font reading library
* ===========================================
*
* Project Info: http://reporting.pentaho.org/libfonts/
*
* (C) Copyright 2006-2007, 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.]
*
* ------------
* $Id: ITextFontStorage.java 3523 2007-10-16 11:03:09Z tmorgner $
* ------------
* (C) Copyright 2006-2007, by Pentaho Corporation.
*/
package org.jfree.fonts.itext;
import java.util.HashMap;
import com.lowagie.text.pdf.BaseFont;
import org.jfree.fonts.merge.CompoundFontIdentifier;
import org.jfree.fonts.registry.FontContext;
import org.jfree.fonts.registry.FontIdentifier;
import org.jfree.fonts.registry.FontMetrics;
import org.jfree.fonts.registry.FontRecord;
import org.jfree.fonts.registry.FontRegistry;
import org.jfree.fonts.registry.FontStorage;
import org.jfree.fonts.registry.FontKey;
import org.jfree.fonts.truetype.TrueTypeFontIdentifier;
/**
* Creation-Date: 22.07.2007, 17:54:43
*
* @author Thomas Morgner
*/
public class ITextFontStorage implements FontStorage
{
private ITextFontRegistry registry;
private BaseFontSupport baseFontSupport;
private FontKey lookupKey;
private HashMap knownMetrics;
public ITextFontStorage()
{
this.lookupKey = new FontKey();
this.knownMetrics = new HashMap();
this.registry = new ITextFontRegistry();
this.registry.initialize();
this.baseFontSupport = new BaseFontSupport(registry);
}
public ITextFontStorage(final ITextFontRegistry registry)
{
this.lookupKey = new FontKey();
this.knownMetrics = new HashMap();
this.registry = registry;
this.baseFontSupport = new BaseFontSupport(registry);
}
public ITextFontStorage(final ITextFontRegistry registry, final String encoding)
{
this.lookupKey = new FontKey();
this.knownMetrics = new HashMap();
this.registry = registry;
this.baseFontSupport = new BaseFontSupport(registry, encoding);
}
public FontRegistry getFontRegistry()
{
return registry;
}
public FontMetrics getFontMetrics(final FontIdentifier rawRecord, final FontContext context)
{
if (rawRecord == null)
{
throw new NullPointerException();
}
if (context == null)
{
throw new NullPointerException();
}
lookupKey.setAliased(context.isAntiAliased());
lookupKey.setFontSize(context.getFontSize());
lookupKey.setIdentifier(rawRecord);
lookupKey.setFractional(context.isFractionalMetrics());
final FontMetrics cachedMetrics = (FontMetrics) knownMetrics.get(lookupKey);
if (cachedMetrics != null)
{
return cachedMetrics;
}
final CompoundFontIdentifier compoundFontIdentifier;
final FontIdentifier record;
if (rawRecord instanceof CompoundFontIdentifier)
{
compoundFontIdentifier = (CompoundFontIdentifier) rawRecord;
record = compoundFontIdentifier.getIdentifier();
}
else
{
record = rawRecord;
compoundFontIdentifier = null;
}
final String fontName;
final boolean bold;
final boolean italic;
if (record instanceof FontRecord)
{
final FontRecord fontRecord = (FontRecord) record;
fontName = fontRecord.getFamily().getFamilyName();
if (compoundFontIdentifier != null)
{
bold = compoundFontIdentifier.isBoldSpecified();
italic = compoundFontIdentifier.isItalicsSpecified();
}
else
{
bold = fontRecord.isBold();
italic = fontRecord.isItalic();
}
}
else if (record instanceof TrueTypeFontIdentifier)
{
final TrueTypeFontIdentifier ttfFontRecord = (TrueTypeFontIdentifier) record;
fontName = ttfFontRecord.getFontName();
if (compoundFontIdentifier != null)
{
bold = compoundFontIdentifier.isBoldSpecified();
italic = compoundFontIdentifier.isItalicsSpecified();
}
else
{
bold = false;
italic = false;
}
}
else
{
throw new IllegalArgumentException("Unknown font-identifier type encountered.");
}
final BaseFont baseFont = baseFontSupport.createBaseFont
(fontName, bold, italic, context.getEncoding(), context.isEmbedded());
final FontMetrics metrics = new BaseFontFontMetrics(baseFont, (float) context.getFontSize());
final FontKey key = new FontKey(rawRecord, context.isAntiAliased(),
context.isFractionalMetrics(), context.getFontSize());
knownMetrics.put(key, metrics);
return metrics;
}
public BaseFontSupport getBaseFontSupport()
{
return baseFontSupport;
}
}