Package org.apache.pdfbox.util.operator.pagedrawer

Source Code of org.apache.pdfbox.util.operator.pagedrawer.MoveTo

/*
* 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.pagedrawer;

import java.awt.geom.Point2D;
import java.util.List;
import java.io.IOException;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.pdfbox.cos.COSNumber;
import org.apache.pdfbox.pdfviewer.PageDrawer;
import org.apache.pdfbox.util.PDFOperator;
import org.apache.pdfbox.util.operator.OperatorProcessor;

/**
* Implementation of content stream operator for page drawer.
*
* @author <a href="mailto:ben@benlitchfield.com">Ben Litchfield</a>
* @version $Revision: 1.2 $
*/
public class MoveTo extends OperatorProcessor
{

    /**
     * Log instance.
     */
    private static final Log log = LogFactory.getLog(MoveTo.class);

    /**
     * process : m : Begin new subpath.
     * @param operator The operator that is being executed.
     * @param arguments List
     * @throws IOException If there is an error processing the operator.
     */
    public void process(PDFOperator operator, List arguments) throws IOException
    {
        try
        {
            PageDrawer drawer = (PageDrawer)context;
            COSNumber x = (COSNumber)arguments.get( 0 );
            COSNumber y = (COSNumber)arguments.get( 1 );
            Point2D pos = drawer.transformedPoint(x.doubleValue(), y.doubleValue());
            drawer.getLinePath().moveTo((float)pos.getX(), (float)pos.getY());
        }
        catch (Exception exception)
        {
            log.warn( exception, exception);
        }
    }
}
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