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* Copyright (c) 2003, www.pdfbox.org
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of pdfbox; nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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*/
package org.pdfbox.pdmodel.font;
import java.io.IOException;
import java.util.Map;
import org.pdfbox.cos.COSDictionary;
import org.pdfbox.cos.COSName;
/**
* This will create the correct type of font based on information in the dictionary.
*
* @author <a href="mailto:ben@benlitchfield.com">Ben Litchfield</a>
* @version $Revision: 1.6 $
*/
public class PDFontFactory
{
/**
* private constructor, should only use static methods in this class.
*/
private PDFontFactory()
{
}
/**
* Create a font from the dictionary. Use the fontCache to get the existing
* object instead of creating it.
*
* @param dic The font dictionary.
* @param fontCache The font cache.
* @return The PDModel object for the cos dictionary.
* @throws IOException If there is an error creating the font.
*/
public static PDFont createFont( COSDictionary dic, Map fontCache ) throws IOException
{
PDFont font = null;
if( fontCache != null )
{
font = (PDFont)fontCache.get( dic );
}
if( font == null )
{
font = createFont( dic );
if( fontCache != null )
{
fontCache.put( dic, font );
}
}
return font;
}
/**
* This will create the correct font based on information in the dictionary.
*
* @param dic The populated dictionary.
*
* @return The corrent implementation for the font.
*
* @throws IOException If the dictionary is not valid.
*/
public static PDFont createFont( COSDictionary dic ) throws IOException
{
PDFont retval = null;
COSName type = (COSName)dic.getDictionaryObject( COSName.TYPE );
if( !type.equals( COSName.FONT ) )
{
throw new IOException( "Cannot create font if /Type is not /Font. Actual=" +type );
}
COSName subType = (COSName)dic.getDictionaryObject( COSName.SUBTYPE );
if( subType.equals( COSName.getPDFName( "Type1" ) ) )
{
retval = new PDType1Font( dic );
}
else if( subType.equals( COSName.getPDFName( "MMType1" ) ) )
{
retval = new PDMMType1Font( dic );
}
else if( subType.equals( COSName.getPDFName( "TrueType" ) ) )
{
retval = new PDTrueTypeFont( dic );
}
else if( subType.equals( COSName.getPDFName( "Type3" ) ) )
{
retval = new PDType3Font( dic );
}
else if( subType.equals( COSName.getPDFName( "Type0" ) ) )
{
retval = new PDType0Font( dic );
}
else if( subType.equals( COSName.getPDFName( "CIDFontType0" ) ) )
{
retval = new PDCIDFontType0Font( dic );
}
else if( subType.equals( COSName.getPDFName( "CIDFontType2" ) ) )
{
retval = new PDCIDFontType2Font( dic );
}
else
{
throw new IOException( "Unknown font subtype=" + subType );
}
return retval;
}
}