/**
* Copyright (c) 2004, 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
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* http://www.pdfbox.org
*
*/
package org.pdfbox.util.operator;
import java.util.List;
import org.pdfbox.cos.COSName;
import org.pdfbox.cos.COSNumber;
import org.pdfbox.pdmodel.font.PDFont;
import org.pdfbox.util.PDFOperator;
import java.io.IOException;
/**
* <p>Titre : PDFEngine Modification.</p>
* <p>Description : Structal modification of the PDFEngine class :
* the long sequence of conditions in processOperator is remplaced by
* this strategy pattern</p>
* <p>Copyright : Copyright (c) 2004</p>
* <p>Soci�t� : DBGS</p>
* @author Huault : huault@free.fr
* @version $Revision: 1.5 $
*/
public class SetTextFont extends OperatorProcessor
{
/**
* Tf selectfont Set text font and size.
* @param operator The operator that is being executed.
* @param arguments List
* @throws IOException If an error occurs while processing the font.
*/
public void process(PDFOperator operator, List arguments) throws IOException
{
//there are some documents that are incorrectly structured and
//arguments are in the wrong spot, so we will silently ignore them
//if there are no arguments
if( arguments.size() >= 2 )
{
//set font and size
COSName fontName = (COSName)arguments.get( 0 );
float fontSize = ((COSNumber)arguments.get( 1 ) ).floatValue();
context.getGraphicsState().getTextState().setFontSize( fontSize );
//old way
//graphicsState.getTextState().getFont() = (COSObject)stream.getDictionaryObject( fontName );
//if( graphicsState.getTextState().getFont() == null )
//{
// graphicsState.getTextState().getFont() = (COSObject)graphicsState.getTextState().getFont()
// Dictionary.getItem( fontName );
//}
context.getGraphicsState().getTextState().setFont( (PDFont)context.getFonts().get( fontName.getName() ) );
if( context.getGraphicsState().getTextState().getFont() == null )
{
throw new IOException( "Error: Could not find font(" + fontName + ") in map=" + context.getFonts() );
}
}
}
}