/*
* 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.util.List;
import org.apache.pdfbox.cos.COSArray;
import org.apache.pdfbox.cos.COSBase;
import org.apache.pdfbox.cos.COSNumber;
import org.apache.pdfbox.pdmodel.graphics.PDLineDashPattern;
import org.apache.pdfbox.util.PDFOperator;
import java.io.IOException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Implementation of content stream operator for page drawer.
*
* @author <a href="mailto:ben@benlitchfield.com">Ben Litchfield</a>
* @version $Revision: 1.1 $
*/
public class SetLineDashPattern extends OperatorProcessor
{
/**
* log instance
*/
private static final Log LOG = LogFactory.getLog(SetLineDashPattern.class);
/**
* Set the line dash pattern.
*
* @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
{
COSArray dashArray = (COSArray) arguments.get(0);
int dashPhase = ((COSNumber) arguments.get(1)).intValue();
if (dashPhase < 0)
{
LOG.warn("dash phaseStart has negative value " + dashPhase + ", set to 0");
dashPhase = 0;
}
PDLineDashPattern lineDash = new PDLineDashPattern(dashArray, dashPhase);
context.getGraphicsState().setLineDashPattern(lineDash);
}
}