/**
* 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.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.pdfbox.cos.COSFloat;
import org.pdfbox.util.PDFOperator;
/**
*
* <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 NextLine extends OperatorProcessor
{
/**
* process : T* Move to start of next text line.
* @param operator The operator that is being executed.
* @param arguments List
*
* @throws IOException If there is an error during processing.
*/
public void process(PDFOperator operator, List arguments) throws IOException
{
//move to start of next text line
ArrayList args = new ArrayList();
args.add(new COSFloat(0.0f));
// this must be -leading instead of just leading as written in the
// specification (p.369) the acrobat reader seems to implement it the same way
args.add(new COSFloat(-1*context.getGraphicsState().getTextState().getLeading()));
// use Td instead of repeating code
context.processOperator("Td", args);
}
}