/*******************************************************************************
* Copyright 2014 by E-Government Innovation Center EGIZ, 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.
******************************************************************************/
/**
* 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.
*/
package at.knowcenter.wag.egov.egiz.pdf.operator.path.painting;
import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathPaintingOperatorProcessor;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.pdfbox.cos.COSBase;
import org.apache.pdfbox.util.PDFOperator;
import java.awt.*;
import java.io.IOException;
import java.util.List;
/**
* Fill the path, using the even-odd rule to determine the region to fill.
*
* @see "PDF 1.7 specification, Section 8.5.3 'Path-Painting Operators'"
* @author PdfBox, modified by Datentechnik Innovation GmbH
*/
public class FillPathEvenOddRule extends PathPaintingOperatorProcessor {
private Log log = LogFactory.getLog(getClass());
public FillPathEvenOddRule(PDFPage context) {
super(context);
}
@Override
public void process(PDFOperator operator, List operands) throws IOException {
try {
PDFPage pdfPage = (PDFPage) context;
pdfPage.getCurrentPath().setWindingRule(java.awt.geom.GeneralPath.WIND_EVEN_ODD);
Rectangle bounds = pdfPage.getCurrentPath().getBounds();
pdfPage.getCurrentPath().reset();
if (log.isTraceEnabled()) {
log.trace("Filling path, using even-odd rule.");
}
pdfPage.registerPathBounds(bounds);
} catch (Exception e) {
log.warn("Error processing operator 'f*'.", e);
}
}
}