/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.pdfbox.util.operator;
import java.io.IOException;
import java.util.List;
import org.apache.pdfbox.cos.COSBase;
import org.apache.pdfbox.cos.COSName;
import org.apache.pdfbox.pdmodel.graphics.color.PDColorSpace;
import org.apache.pdfbox.pdmodel.graphics.color.PDColorSpaceFactory;
import org.apache.pdfbox.pdmodel.graphics.color.PDColorState;
import org.apache.pdfbox.pdmodel.graphics.color.PDDeviceCMYK;
import org.apache.pdfbox.util.PDFOperator;
/**
* <p>Set the non stroking color space.</p>
*
* @author <a href="mailto:ben@benlitchfield.com">Ben Litchfield</a>
* @version $Revision: 1.4 $
*/
public class SetNonStrokingColorSpace extends OperatorProcessor
{
private static final float[] EMPTY_FLOAT_ARRAY = new float[0];
/**
* cs Set color space for non 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<COSBase> arguments) throws IOException
{
// (PDF 1.1) Set color space for stroking operations
COSName name = (COSName)arguments.get( 0 );
PDColorSpace cs = PDColorSpaceFactory.createColorSpace( name, context.getColorSpaces(),
context.getResources().getPatterns() );
PDColorState colorInstance = context.getGraphicsState().getNonStrokingColor();
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 );
}
}