1 files changed, 72 insertions, 0 deletions
diff --git a/src/main/java/org/pdfbox/util/operator/SetGraphicsStateParameters.java b/src/main/java/org/pdfbox/util/operator/SetGraphicsStateParameters.java
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+++ b/src/main/java/org/pdfbox/util/operator/SetGraphicsStateParameters.java
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+/**
+ * Copyright (c) 2004, www.pdfbox.org
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of pdfbox; nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * http://www.pdfbox.org
+ *
+ */
+package org.pdfbox.util.operator;
+
+import java.util.List;
+import org.apache.log4j.Logger;
+import org.pdfbox.cos.COSName;
+import org.pdfbox.pdmodel.graphics.PDExtendedGraphicsState;
+import org.pdfbox.util.PDFOperator;
+
+import java.io.IOException;
+
+/**
+ * <p>Structal modification of the PDFEngine class :
+ * the long sequence of conditions in processOperator is remplaced by
+ * this strategy pattern.</p>
+ * 
+ * @author Ben Litchfield (ben@csh.rit.edu)
+ * @version $Revision: 1.3 $
+ */
+
+public class SetGraphicsStateParameters extends OperatorProcessor 
+{
+    private static final Logger LOG = Logger.getLogger(SetTextFont.class);
+
+    /**
+     * gs Set parameters from graphics state parameter dictionary.
+     * @param operator The operator that is being executed.
+     * @param arguments List
+     * @throws IOException If an error occurs while processing the font.
+     */
+    public void process(PDFOperator operator, List arguments) throws IOException
+    {
+        //set parameters from graphics state parameter dictionary
+        COSName graphicsName = (COSName)arguments.get( 0 );
+
+        if (LOG.isDebugEnabled())
+        {
+            LOG.debug("<gs name=\"" + graphicsName.getName() + "\" />" );
+        }
+        PDExtendedGraphicsState gs = (PDExtendedGraphicsState)context.getGraphicsStates().get( graphicsName.getName() );
+        gs.copyIntoGraphicsState( context.getGraphicsState() );
+    }
+}