KickJava   Java API By Example, From Geeks To Geeks.

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


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.awt.geom.GeneralPath JavaDoc;
34 import java.awt.geom.Point2D JavaDoc;
35 import java.util.List JavaDoc;
36
37 import org.pdfbox.cos.COSNumber;
38 import org.pdfbox.pdfviewer.PageDrawer;
39 import org.pdfbox.util.PDFOperator;
40 import org.pdfbox.util.operator.OperatorProcessor;
41
42 /**
43  * Implementation of content stream operator for page drawer.
44  *
45  * @author <a HREF="mailto:ben@benlitchfield.com">Ben Litchfield</a>
46  * @version $Revision: 1.2 $
47  */

48 public class CurveToReplicateInitialPoint extends OperatorProcessor
49 {
50
51
52     /**
53      * process : v : Append curved segment to path (initial point replicated).
54      * @param operator The operator that is being executed.
55      * @param arguments List
56      */

57     public void process(PDFOperator operator, List JavaDoc arguments)
58     {
59         PageDrawer drawer = (PageDrawer)context;
60         
61         COSNumber x2 = (COSNumber)arguments.get( 0 );
62         COSNumber y2 = (COSNumber)arguments.get( 1 );
63         COSNumber x3 = (COSNumber)arguments.get( 2 );
64         COSNumber y3 = (COSNumber)arguments.get( 3 );
65         float x2f = x2.floatValue();
66         float y2f = (float)drawer.fixY( x2f, y2.floatValue() );
67         float x3f = x3.floatValue();
68         float y3f = (float)drawer.fixY( x3f, y3.floatValue() );
69         
70         GeneralPath JavaDoc path = drawer.getLinePath();
71         Point2D JavaDoc currentPoint = path.getCurrentPoint();
72         float currentX = (float)currentPoint.getX();
73         float currentY = (float)currentPoint.getY();
74         drawer.getLinePath().curveTo(currentX,currentY,x2f,y2f,x3f,y3f);
75     }
76 }
77
Popular Tags