1 /*
2 * $RCSfile: BMPImageWriterSpi.java,v $
3 *
4 *
5 * Copyright (c) 2005 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: 1.3 $
42 * $Date: 2006/03/31 19:43:38 $
43 * $State: Exp $
44 */
45 package com.github.jaiimageio.impl.plugins.bmp;
46
47 import java.awt.image.DataBuffer;
48 import java.awt.image.SampleModel;
49 import java.awt.image.SinglePixelPackedSampleModel;
50 import java.util.Locale;
51
52 import javax.imageio.IIOException;
53 import javax.imageio.ImageTypeSpecifier;
54 import javax.imageio.ImageWriter;
55 import javax.imageio.spi.ImageWriterSpi;
56 import javax.imageio.spi.ServiceRegistry;
57
58 import com.github.jaiimageio.impl.common.ImageUtil;
59 import com.github.jaiimageio.impl.common.PackageUtil;
60
61 public class BMPImageWriterSpi extends ImageWriterSpi {
62 private static String [] readerSpiNames =
63 {"com.github.jaiimageio.impl.plugins.bmp.BMPImageReaderSpi"};
64 private static String[] formatNames = {"bmp", "BMP"};
65 private static String[] extensions = {"bmp"};
66 private static String[] mimeTypes = {
67 "image/bmp", "image/x-bmp", "image/x-windows-bmp"
68 };
69 private boolean registered = false;
70
71 public BMPImageWriterSpi() {
72 super(PackageUtil.getVendor(),
73 PackageUtil.getVersion(),
74 formatNames,
75 extensions,
76 mimeTypes,
77 "com.github.jaiimageio.impl.plugins.bmp.BMPImageWriter",
78 STANDARD_OUTPUT_TYPE,
79 readerSpiNames,
80 false,
81 null, null, null, null,
82 true,
83 BMPMetadata.nativeMetadataFormatName,
84 "com.github.jaiimageio.impl.plugins.bmp.BMPMetadataFormat",
85 null, null);
86 }
87
88 public String getDescription(Locale locale) {
89 String desc = PackageUtil.getSpecificationTitle() +
90 " BMP Image Writer";
91 return desc;
92 }
93
94 public void onRegistration(ServiceRegistry registry,
95 Class category) {
96 if (registered) {
97 return;
98 }
99
100 registered = true;
101
102 // By JDK 1.7, the BMPImageWriter will have been in JDK core for
103 // atleast two FCS releases, so we can set JIIO's to lower priority
104 // With JDK 1.8, we can entirely de-register the JIIO one
105 ImageUtil.processOnRegistration(registry, category, "BMP", this,
106 8, 7); // JDK version 1.8, 1.7
107 }
108
109 public boolean canEncodeImage(ImageTypeSpecifier type) {
110 int dataType= type.getSampleModel().getDataType();
111 if (dataType < DataBuffer.TYPE_BYTE || dataType > DataBuffer.TYPE_INT)
112 return false;
113
114 SampleModel sm = type.getSampleModel();
115 int numBands = sm.getNumBands();
116 if (!(numBands == 1 || numBands == 3))
117 return false;
118
119 if (numBands == 1 && dataType != DataBuffer.TYPE_BYTE)
120 return false;
121
122 if (dataType > DataBuffer.TYPE_BYTE &&
123 !(sm instanceof SinglePixelPackedSampleModel))
124 return false;
125
126 return true;
127 }
128
129 public ImageWriter createWriterInstance(Object extension)
130 throws IIOException {
131 return new BMPImageWriter(this);
132 }
133 }
134