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author | Andreas Fitzek <andreas.fitzek@iaik.tugraz.at> | 2014-10-16 13:32:35 +0200 |
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committer | Andreas Fitzek <andreas.fitzek@iaik.tugraz.at> | 2014-10-16 13:32:35 +0200 |
commit | c3e2b817615c9c2bbaf056e5547cd3f95f8905ea (patch) | |
tree | 6a7946f9ccead542eec2e5d0213fad2ea63f3973 /pdf-as-pdfbox/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillPathNonZeroWindingNumberRule.java | |
parent | 63784f692a50606f34702706761edac052fdac60 (diff) | |
download | pdf-as-4-c3e2b817615c9c2bbaf056e5547cd3f95f8905ea.tar.gz pdf-as-4-c3e2b817615c9c2bbaf056e5547cd3f95f8905ea.tar.bz2 pdf-as-4-c3e2b817615c9c2bbaf056e5547cd3f95f8905ea.zip |
added PDFBOX specifc library
Diffstat (limited to 'pdf-as-pdfbox/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillPathNonZeroWindingNumberRule.java')
-rw-r--r-- | pdf-as-pdfbox/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillPathNonZeroWindingNumberRule.java | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/pdf-as-pdfbox/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillPathNonZeroWindingNumberRule.java b/pdf-as-pdfbox/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillPathNonZeroWindingNumberRule.java new file mode 100644 index 00000000..6196c466 --- /dev/null +++ b/pdf-as-pdfbox/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillPathNonZeroWindingNumberRule.java @@ -0,0 +1,95 @@ +/******************************************************************************* + * <copyright> Copyright 2014 by E-Government Innovation Center EGIZ, 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. + ******************************************************************************/ +/** + * <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.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 nonzero winding number rule to determine the region to fill. Any subpaths that are open + * shall be implicitly closed before being filled. + * + * @see "PDF 1.7 specification, Section 8.5.3 'Path-Painting Operators'" + * @author PdfBox, modified by Datentechnik Innovation GmbH + */ +public class FillPathNonZeroWindingNumberRule extends PathPaintingOperatorProcessor { + + private Log log = LogFactory.getLog(getClass()); + + public FillPathNonZeroWindingNumberRule(PDFPage context) { + super(context); + } + + @Override + public void process(PDFOperator operator, List<COSBase> operands) throws IOException { + try { + PDFPage pdfPage = (PDFPage) context; + + pdfPage.getCurrentPath().setWindingRule(java.awt.geom.GeneralPath.WIND_NON_ZERO); + Rectangle bounds = pdfPage.getCurrentPath().getBounds(); + pdfPage.getCurrentPath().reset(); + + if (log.isTraceEnabled()) { + log.trace("Filling path, using nonzero winding number rule."); + } + + pdfPage.registerPathBounds(bounds); + + } catch (Exception e) { + log.warn("Error processing operator 'f/F'.", e); + } + } + +} |