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Diffstat (limited to 'src/main/java/org/pdfbox/util/operator/SetStrokingColorSpace.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.pdfbox.cos.COSName;
+import org.pdfbox.pdmodel.graphics.color.PDColorSpace;
+import org.pdfbox.pdmodel.graphics.color.PDColorSpaceFactory;
+import org.pdfbox.pdmodel.graphics.color.PDColorSpaceInstance;
+import org.pdfbox.pdmodel.graphics.color.PDDeviceCMYK;
+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 SetStrokingColorSpace extends OperatorProcessor
+{
+ private static final float[] EMPTY_FLOAT_ARRAY = new float[0];
+
+ /**
+ * CS Set color space for stroking operations.
+ * @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
+ {
+ //(PDF 1.1) Set color space for stroking operations
+ COSName name = (COSName)arguments.get( 0 );
+ PDColorSpace cs = (PDColorSpace)context.getColorSpaces().get( name.getName() );
+ if( cs == null )
+ {
+ cs = PDColorSpaceFactory.createColorSpace( name );
+ }
+ PDColorSpaceInstance colorInstance = context.getGraphicsState().getStrokingColorSpace();
+ colorInstance.setColorSpace( cs );
+ int numComponents = cs.getNumberOfComponents();
+ float[] values = EMPTY_FLOAT_ARRAY;
+ if( numComponents >= 0 )
+ {
+ values = new float[numComponents];
+ for( int i=0; i<numComponents; i++ )
+ {
+ values[i] = 0f;
+ }
+ if( cs instanceof PDDeviceCMYK )
+ {
+ values[3] = 1f;
+ }
+ }
+ colorInstance.setColorSpaceValue( values );
+ }
+}