com.greenpepper.shaded.org.apache.pdfbox.contentstream.operator.state.Restore Maven / Gradle / Ivy
/*
* 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 com.greenpepper.shaded.org.apache.pdfbox.contentstream.operator.state;
import java.io.IOException;
import java.util.List;
import com.greenpepper.shaded.org.apache.pdfbox.contentstream.operator.Operator;
import com.greenpepper.shaded.org.apache.pdfbox.contentstream.operator.OperatorProcessor;
import com.greenpepper.shaded.org.apache.pdfbox.cos.COSBase;
/**
* Q: Restore the graphics state.
*
* @author Laurent Huault
*/
public class Restore extends OperatorProcessor
{
@Override
public void process(Operator operator, List arguments) throws IOException
{
if (context.getGraphicsStackSize() > 1)
{
context.restoreGraphicsState();
}
else
{
// this shouldn't happen but it does, see PDFBOX-161
throw new EmptyGraphicsStackException();
}
}
@Override
public String getName()
{
return "Q";
}
}