From c4e41301d0746ce57044a3aa41375cff3a9f2b5e Mon Sep 17 00:00:00 2001 From: Christian Maierhofer Date: Wed, 8 Jun 2016 08:12:21 +0200 Subject: initial pdfbox-2 commit --- .../construction/CurveToReplicateInitialPoint.java | 114 +++++++++++++++++++++ 1 file changed, 114 insertions(+) create mode 100644 pdf-as-pdfbox-2/src/main/java/at/knowcenter/wag/egov/egiz/pdfbox2/pdf/operator/path/construction/CurveToReplicateInitialPoint.java (limited to 'pdf-as-pdfbox-2/src/main/java/at/knowcenter/wag/egov/egiz/pdfbox2/pdf/operator/path/construction/CurveToReplicateInitialPoint.java') diff --git a/pdf-as-pdfbox-2/src/main/java/at/knowcenter/wag/egov/egiz/pdfbox2/pdf/operator/path/construction/CurveToReplicateInitialPoint.java b/pdf-as-pdfbox-2/src/main/java/at/knowcenter/wag/egov/egiz/pdfbox2/pdf/operator/path/construction/CurveToReplicateInitialPoint.java new file mode 100644 index 00000000..d3a4e5e3 --- /dev/null +++ b/pdf-as-pdfbox-2/src/main/java/at/knowcenter/wag/egov/egiz/pdfbox2/pdf/operator/path/construction/CurveToReplicateInitialPoint.java @@ -0,0 +1,114 @@ +/******************************************************************************* + * 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.pdfbox2.pdf.operator.path.construction; + +import java.awt.geom.Point2D; +import java.io.IOException; +import java.util.List; + +import org.apache.commons.logging.Log; +import org.apache.commons.logging.LogFactory; +import org.apache.pdfbox.contentstream.operator.Operator; +import org.apache.pdfbox.cos.COSBase; +import org.apache.pdfbox.cos.COSNumber; + +import at.knowcenter.wag.egov.egiz.pdfbox2.pdf.PDFPage; +import at.knowcenter.wag.egov.egiz.pdfbox2.pdf.operator.path.PathConstructionOperatorProcessor; + +/** + * Append a cubic Bezier curve to the current path. The curve shall extend from the current point to the point (x3, y3), + * using the current point and (x2, y2) as the Bezier control points (see 8.5.2.2, "Cubic Bezier Curves"). The new + * current point shall be (x3, y3). + * + * @see "PDF 1.7 specification, Section 8.5.2 'Path Construction Operators'" + * @author PdfBox, modified by Datentechnik Innovation GmbH + */ +public class CurveToReplicateInitialPoint extends PathConstructionOperatorProcessor { + + private Log log = LogFactory.getLog(getClass()); + + public CurveToReplicateInitialPoint(PDFPage context) { + super(context); + } + + @Override + public void process(Operator operator, List operands) throws IOException { + try { + PDFPage pdfPage = (PDFPage) context; + + COSNumber x2 = (COSNumber) operands.get(0); + COSNumber y2 = (COSNumber) operands.get(1); + COSNumber x3 = (COSNumber) operands.get(2); + COSNumber y3 = (COSNumber) operands.get(3); + + Point2D currentPoint = pdfPage.getCurrentPath().getCurrentPoint(); + Point2D p2 = transform(x2.doubleValue(), y2.doubleValue()); + Point2D p3 = transform(x3.doubleValue(), y3.doubleValue()); + + pdfPage.getCurrentPath().curveTo( + (float)currentPoint.getX(), (float)currentPoint.getY(), + (float) p2.getX(), (float) p2.getY(), + (float) p3.getX(), (float) p3.getY() + ); + + if (log.isTraceEnabled()) { + log.trace("Appending cubic Bezier curve with x2:" + p2.getX() + ",y2:" + p2.getY() + ", x3:" + + p3.getX() + ",y3:" + p3.getY() + ", using current point x:" + currentPoint.getX() + ",y:" + + currentPoint.getY()); + } + } catch (Exception e) { + log.warn("Error processing operator 'v'.", e); + } + } + + @Override + public String getName() { + // TODO Auto-generated method stub + return null; + } + +} -- cgit v1.2.3