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Java > Open Source Codes > org > pdfbox > util > operator > pagedrawer > LineTo


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
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.pagedrawer;
32
33 import java.util.List JavaDoc;
34
35 import org.pdfbox.cos.COSNumber;
36 import org.pdfbox.pdfviewer.PageDrawer;
37 import org.pdfbox.util.PDFOperator;
38 import org.pdfbox.util.operator.OperatorProcessor;
39
40 /**
41  * Implementation of content stream operator for page drawer.
42  *
43  * @author <a HREF="mailto:ben@benlitchfield.com">Ben Litchfield</a>
44  * @version $Revision: 1.2 $
45  */

46 public class LineTo extends OperatorProcessor
47 {
48
49
50     /**
51      * process : l : Append straight line segment to path.
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         PageDrawer drawer = (PageDrawer)context;
58         
59         //append straight line segment from the current point to the point.
60
COSNumber x = (COSNumber)arguments.get( 0 );
61         COSNumber y = (COSNumber)arguments.get( 1 );
62         
63         drawer.getLinePath().lineTo( x.floatValue(), (float)drawer.fixY( x.doubleValue(), y.doubleValue()) );
64     }
65 }
66
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