org.apache.pdfbox.contentstream.operator.text.ShowText Maven / Gradle / Ivy
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The Apache PDFBox library is an open source Java tool for working with PDF documents.
/*
* 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.contentstream.operator.text;
import java.util.List;
import org.apache.pdfbox.cos.COSBase;
import org.apache.pdfbox.cos.COSString;
import org.apache.pdfbox.contentstream.operator.Operator;
import org.apache.pdfbox.contentstream.operator.OperatorName;
import org.apache.pdfbox.contentstream.operator.OperatorProcessor;
import java.io.IOException;
/**
* Tj: Show text.
*
* @author Laurent Huault
*/
public class ShowText extends OperatorProcessor
{
@Override
public void process(Operator operator, List arguments) throws IOException
{
if (arguments.isEmpty())
{
// ignore ( )Tj
return;
}
COSBase base = arguments.get(0);
if (!(base instanceof COSString))
{
// ignore
return;
}
if (context.getTextMatrix() == null)
{
// ignore: outside of BT...ET
return;
}
COSString string = (COSString) base;
context.showTextString(string.getBytes());
}
@Override
public String getName()
{
return OperatorName.SHOW_TEXT;
}
}