/** * 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 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * http://www.pdfbox.org * */ package org.pdfbox.util.operator; import java.util.List; import org.apache.log4j.Logger; import org.pdfbox.cos.COSNumber; import org.pdfbox.util.PDFOperator; /** * *

Titre : PDFEngine Modification.

*

Description : Structal modification of the PDFEngine class : * the long sequence of conditions in processOperator is remplaced by * this strategy pattern

*

Copyright : Copyright (c) 2004

*

Société : DBGS

* @author Huault : huault@free.fr * @version $Revision: 1.4 $ */ public class SetCharSpacing extends OperatorProcessor { private static final Logger LOG = Logger.getLogger(SetCharSpacing.class); /** * process : Tc Set character spacing. * @param operator The operator that is being executed. * @param arguments List */ public void process(PDFOperator operator, List arguments) { //set character spacing if( arguments.size() > 0 ) { //There are some documents which are incorrectly structured, and have //a wrong number of arguments to this, so we will assume the last argument //in the list Object charSpacing = arguments.get( arguments.size()-1 ); if( charSpacing instanceof COSNumber ) { COSNumber characterSpacing = (COSNumber)charSpacing; if (LOG.isDebugEnabled()) { LOG.debug(""); } context.getGraphicsState().getTextState().setCharacterSpacing( characterSpacing.floatValue() ); } } } }