MoveTo


1   /**
2    * Copyright (c) 2005, www.pdfbox.org
3    * All rights reserved.
4    *
5    * Redistribution and use in source and binary forms, with or without
6    * modification, are permitted provided that the following conditions are met:
7    *
8    * 1. Redistributions of source code must retain the above copyright notice,
9    *    this list of conditions and the following disclaimer.
10   * 2. Redistributions in binary form must reproduce the above copyright notice,
11   *    this list of conditions and the following disclaimer in the documentation
12   *    and/or other materials provided with the distribution.
13   * 3. Neither the name of pdfbox; nor the names of its
14   *    contributors may be used to endorse or promote products derived from this
15   *    software without specific prior written permission.
16   *
17   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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21   * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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26   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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31  package org.pdfbox.util.operator.pagedrawer;
32  
33  import java.awt.geom.GeneralPath  ;
34  import java.util.List  ;
35  
36  import org.pdfbox.cos.COSNumber;
37  import org.pdfbox.pdfviewer.PageDrawer;
38  import org.pdfbox.util.PDFOperator;
39  import org.pdfbox.util.operator.OperatorProcessor;
40  
41  /**
42   * Implementation of content stream operator for page drawer.
43   * 
44   * @author <a HREF="mailto:ben@benlitchfield.com">Ben Litchfield</a>
45   * @version $Revision: 1.2 $
46   */
47  public class MoveTo extends OperatorProcessor
48  {
49  
50  
51      /**
52       * process : m : Begin new subpath.
53       * @param operator The operator that is being executed.
54       * @param arguments List
55       */
56      public void process(PDFOperator operator, List   arguments) 
57      {
58          PageDrawer drawer = (PageDrawer)context;
59          
60          COSNumber x = (COSNumber)arguments.get( 0 );
61          COSNumber y = (COSNumber)arguments.get( 1 );
62          
63          drawer.getLineSubPaths().add( drawer.getLinePath() );
64          GeneralPath   newPath = new GeneralPath  ();
65          newPath.moveTo( x.floatValue(), (float)drawer.fixY( x.doubleValue(), y.doubleValue()) );
66          drawer.setLinePath( newPath );
67      }
68  }
69
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