diff options
Diffstat (limited to 'pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction')
6 files changed, 463 insertions, 0 deletions
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/ClosePath.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/ClosePath.java new file mode 100644 index 0000000..ea87887 --- /dev/null +++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/ClosePath.java @@ -0,0 +1,68 @@ +/**
+ * <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.io.IOException;
+import java.util.List;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.pdfbox.util.PDFOperator;
+
+import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathConstructionOperatorProcessor;
+
+/**
+ * Close the current subpath by appending a straight line segment from the current point to the starting point of the
+ * subpath. If the current subpath is already closed, h shall donothing. This operator terminates the current subpath.
+ * Appending another segment to the current path shall begin a new subpath, even if the new segment begins at the
+ * endpoint reached by the h operation.
+ *
+ * @see "PDF 1.7 specification, Section 8.5.2 'Path Construction Operators'"
+ * @author PdfBox, modified by Datentechnik Innovation GmbH
+ */
+public class ClosePath extends PathConstructionOperatorProcessor {
+
+ private Log log = LogFactory.getLog(getClass());
+
+ public ClosePath(PDFPage context) {
+ super(context);
+ }
+
+ @Override
+ public void process(PDFOperator operator, List operands) throws IOException {
+ try {
+ PDFPage pdfPage = (PDFPage) context;
+
+ pdfPage.getCurrentPath().closePath();
+
+ if (log.isTraceEnabled()) {
+ log.trace("Closing current path.");
+ }
+ } catch (Exception e) {
+ log.warn("Error processing operator 'h'.", e);
+ }
+ }
+
+}
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveTo.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveTo.java new file mode 100644 index 0000000..a2fc8de --- /dev/null +++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveTo.java @@ -0,0 +1,85 @@ +/**
+ * <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 (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 CurveTo extends PathConstructionOperatorProcessor {
+
+ private Log log = LogFactory.getLog(getClass());
+
+ public CurveTo(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 x2 = (COSNumber) operands.get(2);
+ COSNumber y2 = (COSNumber) operands.get(3);
+ COSNumber x3 = (COSNumber) operands.get(4);
+ COSNumber y3 = (COSNumber) operands.get(5);
+
+ Point2D p1 = transform(x1.doubleValue(), y1.doubleValue());
+ Point2D p2 = transform(x2.doubleValue(), y2.doubleValue());
+ Point2D p3 = transform(x3.doubleValue(), y3.doubleValue());
+
+ pdfPage.getCurrentPath().curveTo(
+ (float) p1.getX(), (float) p1.getY(),
+ (float) p2.getX(), (float) p2.getY(),
+ (float) p3.getX(), (float) p3.getY()
+ );
+
+ if (log.isTraceEnabled()) {
+ log.trace("Appending cubic Bezier curve with x1:" + p1.getX() + ",y1:" + p1.getY() + ", x2:"
+ + p2.getX() + ",y2:" + p2.getY() + ", x3:" + p3.getX() + ",y3:" + p3.getY());
+ }
+ } catch (Exception e) {
+ log.warn("Error processing operator 'c'.", e);
+ }
+ }
+
+}
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);
+ }
+ }
+
+}
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveToReplicateInitialPoint.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveToReplicateInitialPoint.java new file mode 100644 index 0000000..b35bcaf --- /dev/null +++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveToReplicateInitialPoint.java @@ -0,0 +1,84 @@ +/**
+ * <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 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(PDFOperator 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);
+ }
+ }
+
+}
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/LineTo.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/LineTo.java new file mode 100644 index 0000000..ae5894d --- /dev/null +++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/LineTo.java @@ -0,0 +1,71 @@ +/**
+ * <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 straight line segment from the current point to the point (x, y). The new current point shall be (x, y).
+ *
+ * @see "PDF 1.7 specification, Section 8.5.2 'Path Construction Operators'"
+ * @author PdfBox, modified by Datentechnik Innovation GmbH
+ */
+public class LineTo extends PathConstructionOperatorProcessor {
+
+ private Log log = LogFactory.getLog(getClass());
+
+ public LineTo(PDFPage context) {
+ super(context);
+ }
+
+ @Override
+ public void process(PDFOperator operator, List operands) throws IOException {
+ try {
+ PDFPage pdfPage = (PDFPage) context;
+
+ COSNumber x = (COSNumber) operands.get(0);
+ COSNumber y = (COSNumber) operands.get(1);
+ Point2D p = transform(x.doubleValue(), y.doubleValue());
+
+ pdfPage.getCurrentPath().lineTo((float) p.getX(), (float) p.getY());
+
+ if (log.isTraceEnabled()) {
+ log.trace("Adding line to x:" + p.getX() + ",y:" + p.getY());
+ }
+ } catch (Exception e) {
+ log.warn("Error processing operator 'l'.", e);
+ }
+ }
+
+}
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/MoveTo.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/MoveTo.java new file mode 100644 index 0000000..b43de2e --- /dev/null +++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/MoveTo.java @@ -0,0 +1,73 @@ +/**
+ * <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;
+
+/**
+ * Begin a new subpath by moving the current point to coordinates (x, y), omitting any connecting line segment. If the
+ * previous path construction operator in the current path was also m, the new m overrides it; no vestige of the
+ * previous m operation remains in the path.
+ *
+ * @see "PDF 1.7 specification, Section 8.5.2 'Path Construction Operators'"
+ * @author PdfBox, modified by Datentechnik Innovation GmbH
+ */
+public class MoveTo extends PathConstructionOperatorProcessor {
+
+ private Log log = LogFactory.getLog(getClass());
+
+ public MoveTo(PDFPage context) {
+ super(context);
+ }
+
+ @Override
+ public void process(PDFOperator operator, List operands) throws IOException {
+ try {
+ PDFPage pdfPage = (PDFPage) context;
+
+ COSNumber x = (COSNumber) operands.get(0);
+ COSNumber y = (COSNumber) operands.get(1);
+ Point2D p = transform(x.doubleValue(), y.doubleValue());
+
+ pdfPage.getCurrentPath().moveTo((float) p.getX(), (float) p.getY());
+
+ if (log.isTraceEnabled()) {
+ log.trace("Moving current path to x:" + p.getX() + ",y:" + p.getY());
+ }
+ } catch (Exception e) {
+ log.warn("Error processing operator 'm'.", e);
+ }
+ }
+
+}
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