From db52e4d66d60184d53a27ba4d6772461daacc03d Mon Sep 17 00:00:00 2001
From: tknall <tknall@7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c>
Date: Fri, 22 Mar 2013 08:57:51 +0000
Subject: Maintenance update (bugfixes, new features, cleanup...) Refer to
 /dok/RELEASE_NOTES-3.3.txt for further information.

git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/pdf-as/trunk@931 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c
---
 .../construction/CurveToReplicateFinalPoint.java   | 82 ++++++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveToReplicateFinalPoint.java

(limited to 'pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveToReplicateFinalPoint.java')

diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveToReplicateFinalPoint.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveToReplicateFinalPoint.java
new file mode 100644
index 0000000..bb5c86c
--- /dev/null
+++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveToReplicateFinalPoint.java
@@ -0,0 +1,82 @@
+/**
+ * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
+ * 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.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.pdfbox.cos.COSNumber;
+import org.pdfbox.util.PDFOperator;
+
+import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
+import at.knowcenter.wag.egov.egiz.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 (x1, y1) and (x3, y3) 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 CurveToReplicateFinalPoint extends PathConstructionOperatorProcessor {
+
+	private Log log = LogFactory.getLog(getClass());
+
+	public CurveToReplicateFinalPoint(PDFPage context) {
+		super(context);
+	}
+
+	@Override
+	public void process(PDFOperator operator, List operands) throws IOException {
+		try {
+			PDFPage pdfPage = (PDFPage) context;
+
+			COSNumber x1 = (COSNumber) operands.get(0);
+			COSNumber y1 = (COSNumber) operands.get(1);
+			COSNumber x3 = (COSNumber) operands.get(2);
+			COSNumber y3 = (COSNumber) operands.get(3);
+
+			Point2D p1 = transform(x1.doubleValue(), y1.doubleValue());
+			Point2D p3 = transform(x3.doubleValue(), y3.doubleValue());
+
+			pdfPage.getCurrentPath().curveTo(
+					(float) p1.getX(), (float) p1.getY(),
+					(float) p3.getX(), (float) p3.getY(),
+					(float) p3.getX(), (float) p3.getY()
+			);
+
+			if (log.isTraceEnabled()) {
+				log.trace("Appending cubic Bezier curve with x1:" + p1.getX() + ",y1:" + p1.getY() + ", x3:"
+						+ p3.getX() + ",y3:" + p3.getY());
+			}
+		} catch (Exception e) {
+			log.warn("Error processing operator 'y'.", e);
+		}
+	}
+
+}
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