01: /**
02: * Copyright (c) 2004, www.pdfbox.org
03: * All rights reserved.
04: *
05: * Redistribution and use in source and binary forms, with or without
06: * modification, are permitted provided that the following conditions are met:
07: *
08: * 1. Redistributions of source code must retain the above copyright notice,
09: * 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: */package org.pdfbox.util.operator;
31:
32: import java.util.List;
33: import org.pdfbox.cos.COSNumber;
34: import org.pdfbox.util.PDFOperator;
35:
36: import java.io.IOException;
37:
38: /**
39: * <p>Structal modification of the PDFEngine class :
40: * the long sequence of conditions in processOperator is remplaced by
41: * this strategy pattern.</p>
42: *
43: * @author <a href="mailto:ben@benlitchfield.com">Ben Litchfield</a>
44: * @version $Revision: 1.5 $
45: */
46:
47: public class SetHorizontalTextScaling extends OperatorProcessor {
48: /**
49: * Tz Set horizontal text scaling.
50: * @param operator The operator that is being executed.
51: * @param arguments List
52: * @throws IOException If an error occurs while processing the font.
53: */
54: public void process(PDFOperator operator, List arguments)
55: throws IOException {
56: COSNumber scaling = (COSNumber) arguments.get(0);
57: context.getGraphicsState().getTextState()
58: .setHorizontalScalingPercent(scaling.floatValue());
59: }
60: }
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