1 /*
2 * $RCSfile: PCXImageReaderSpi.java,v $
3 *
4 *
5 * Copyright (c) 2007 Sun Microsystems, Inc. All Rights Reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * - Redistribution of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 *
14 * - Redistribution in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
17 * distribution.
18 *
19 * Neither the name of Sun Microsystems, Inc. or the names of
20 * contributors may be used to endorse or promote products derived
21 * from this software without specific prior written permission.
22 *
23 * This software is provided "AS IS," without a warranty of any
24 * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
25 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
26 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
27 * EXCLUDED. SUN MIDROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL
28 * NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF
29 * USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
30 * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR
31 * ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL,
32 * CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND
33 * REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR
34 * INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGES.
36 *
37 * You acknowledge that this software is not designed or intended for
38 * use in the design, construction, operation or maintenance of any
39 * nuclear facility.
40 *
41 * $Revision: 1.1 $
42 * $Date: 2007/09/05 00:21:08 $
43 * $State: Exp $
44 */
45 package com.github.jaiimageio.impl.plugins.pcx;
46
47 import java.io.IOException;
48 import java.util.Locale;
49
50 import javax.imageio.IIOException;
51 import javax.imageio.ImageReader;
52 import javax.imageio.spi.ImageReaderSpi;
53 import javax.imageio.spi.ServiceRegistry;
54 import javax.imageio.stream.ImageInputStream;
55
56 import com.github.jaiimageio.impl.common.PackageUtil;
57
58 public class PCXImageReaderSpi extends ImageReaderSpi {
59
60 private static String [] writerSpiNames =
61 {"com.github.jaiimageio.impl.plugins.pcx.PCXImageWriterSpi"};
62 private static String[] formatNames = {"pcx", "PCX"};
63 private static String[] extensions = {"pcx"};
64 private static String[] mimeTypes = {
65 "image/pcx", "image/x-pcx", "image/x-windows-pcx", "image/x-pc-paintbrush"
66 };
67 private boolean registered = false;
68
69 public PCXImageReaderSpi() {
70 super(PackageUtil.getVendor(),
71 PackageUtil.getVersion(),
72 formatNames,
73 extensions,
74 mimeTypes,
75 "com.github.jaiimageio.impl.plugins.pcx.PCXImageReader",
76 STANDARD_INPUT_TYPE,
77 writerSpiNames,
78 false,
79 null, null, null, null,
80 true,
81 null,
82 null,
83 null, null);
84 }
85
86 public void onRegistration(ServiceRegistry registry, Class category) {
87 if (registered) {
88 return;
89 }
90 registered = true;
91 }
92
93 public String getDescription(Locale locale) {
94 String desc = PackageUtil.getSpecificationTitle() +
95 " PCX Image Reader";
96 return desc;
97 }
98
99 public boolean canDecodeInput(Object source) throws IOException {
100 if (!(source instanceof ImageInputStream)) {
101 return false;
102 }
103
104 ImageInputStream stream = (ImageInputStream)source;
105 stream.mark();
106 byte b = stream.readByte();
107 stream.reset();
108
109 return (b==0x0A);
110 }
111
112 public ImageReader createReaderInstance(Object extension)
113 throws IIOException {
114 return new PCXImageReader(this);
115 }
116 }
117
118