KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > pdfbox > util > operator > SetCharSpacing


1 /**
2  * Copyright (c) 2004, 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
20  * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
24  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
26  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  *
28  * http://www.pdfbox.org
29  *
30  */
31 package org.pdfbox.util.operator;
32
33 import java.util.List JavaDoc;
34 import org.pdfbox.cos.COSNumber;
35 import org.pdfbox.util.PDFOperator;
36
37 /**
38  *
39  * <p>Titre : PDFEngine Modification.</p>
40  * <p>Description : Structal modification of the PDFEngine class :
41  * the long sequence of conditions in processOperator is remplaced by
42  * this strategy pattern</p>
43  * <p>Copyright : Copyright (c) 2004</p>
44  * <p>Société : DBGS</p>
45  * @author Huault : huault@free.fr
46  * @version $Revision: 1.5 $
47  */
48 public class SetCharSpacing extends OperatorProcessor
49 {
50     /**
51      * process : Tc Set character spacing.
52      * @param operator The operator that is being executed.
53      * @param arguments List
54      */
55     public void process(PDFOperator operator, List JavaDoc arguments)
56     {
57         //set character spacing
58 if( arguments.size() > 0 )
59         {
60             //There are some documents which are incorrectly structured, and have
61 //a wrong number of arguments to this, so we will assume the last argument
62 //in the list
63 Object JavaDoc charSpacing = arguments.get( arguments.size()-1 );
64             if( charSpacing instanceof COSNumber )
65             {
66                 COSNumber characterSpacing = (COSNumber)charSpacing;
67                 context.getGraphicsState().getTextState().setCharacterSpacing( characterSpacing.floatValue() );
68             }
69         }
70     }
71 }
72
Popular Tags