ClosePath.java

/**
 * pdfXtk - PDF Extraction Toolkit
 * Copyright (c) by the authors/contributors.  All rights reserved.
 * This project includes code from PDFBox and TouchGraph.
 *
 * 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 names pdfXtk or PDF Extraction Toolkit; 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://pdfxtk.sourceforge.net
 *
 */
package at.ac.tuwien.dbai.pdfwrap.operator;

import at.ac.tuwien.dbai.pdfwrap.pdfread.PDFObjectExtractor;
import org.apache.pdfbox.util.PDFOperator;
import org.apache.pdfbox.util.operator.OperatorProcessor;

import java.util.List;

/**
 * Implementation of content stream operator for PDFObjectExtractor.
 * 
 * Adapted from PDFBox code
 * @author Ben Litchfield, ben@benlitchfield.com
 * @author Tamir Hassan, pdfanalyser@tamirhassan.com
 * @version PDF Analyser 0.9
 */
public class ClosePath extends OperatorProcessor
{
    /**
     * process : h : Close path.
     * @param operator The operator that is being executed.
     * @param arguments List
     */
    public void process(PDFOperator operator, List arguments) 
    {
        PDFObjectExtractor drawer = (PDFObjectExtractor)context;
        try
        {
        	drawer.simpleClosePath();
            drawer.getLinePath().closePath();
        }
        catch( Throwable t )
        {
            System.err.println( "Close Path Failed");
            //ignore for today
        }
    }
}