/**
* Copyright 2006 by Know-Center, Graz, Austria
* PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
* joint initiative of the Federal Chancellery Austria and Graz University of
* Technology.
*
* Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
* the European Commission - subsequent versions of the EUPL (the "Licence");
* You may not use this work except in compliance with the Licence.
* You may obtain a copy of the Licence at:
* http://www.osor.eu/eupl/
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the Licence is distributed on an "AS IS" basis,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the Licence for the specific language governing permissions and
* limitations under the Licence.
*
* This product combines work with different licenses. See the "NOTICE" text
* file for details on the various modules and licenses.
* The "NOTICE" text file is part of the distribution. Any derivative works
* that you distribute must include a readable copy of the "NOTICE" text file.
*
* $Id: PDFUtilities.java,v 1.3 2006/10/31 08:09:33 wprinz Exp $
*/
package at.knowcenter.wag.egov.egiz.pdf;
import java.io.IOException;
import java.util.List;
import at.gv.egiz.pdfas.common.exceptions.PDFIOException;
import org.apache.pdfbox.cos.COSStream;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDPage;
import org.apache.pdfbox.pdmodel.PDResources;
import org.apache.pdfbox.pdmodel.interactive.pagenavigation.PDThreadBead;
/**
* Contains useful helpers for accessing PDF documents.
*
* @author wprinz
* @author mruhmer
*/
public abstract class PDFUtilities
{
public static float calculatePageLength(PDDocument document, int page, float effectivePageHeight, /*int pagerotation,*/ boolean legacy32) throws PDFIOException {
//int last_page_id = document.getNumberOfPages();
List allPages = document.getDocumentCatalog().getAllPages();
PDPage pdpage = (PDPage) allPages.get(page);
//pdpage.setRotation(pagerotation);
return calculatePageLength(pdpage, effectivePageHeight, legacy32);
}
public static float calculatePageLength(PDPage page, float effectivePageHeight, boolean legacy32) throws PDFIOException
{
try{
PDFPage my_page = new PDFPage(effectivePageHeight, legacy32);
PDResources resources = page.findResources();
COSStream stream = page.getContents().getStream();
//List articles = page.getThreadBeads();
//my_page.processMyPage(page);
my_page.processStream(page, resources, stream);
return my_page.getMaxPageLength();
}
catch (IOException e)
{
throw new PDFIOException("calculatePageLength", e);
}
}
}