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1
7
8 package com.sun.imageio.plugins.bmp;
9
10 import java.awt.image.DataBuffer  ;
11 import java.awt.image.SampleModel ;
12 import java.awt.image.SinglePixelPackedSampleModel ;
13
14 import javax.imageio.spi.ImageWriterSpi ;
15 import javax.imageio.spi.ServiceRegistry ;
16 import javax.imageio.spi.IIORegistry ;
17 import javax.imageio.ImageWriter ;
18 import javax.imageio.ImageTypeSpecifier ;
19 import javax.imageio.IIOException ;
20 import java.util.Locale ;
21
22 import javax.imageio.plugins.bmp.BMPImageWriteParam ;
23
24 public class BMPImageWriterSpi extends ImageWriterSpi {
25 private static String [] readerSpiNames =
26 {"com.sun.imageio.plugins.bmp.BMPImageReaderSpi"};
27 private static String [] formatNames = {"bmp", "BMP"};
28 private static String [] entensions = {"bmp"};
29 private static String [] mimeType = {"image/bmp"};
30
31 private boolean registered = false;
32
33 public BMPImageWriterSpi() {
34 super("Sun Microsystems, Inc.",
35 "1.0",
36 formatNames,
37 entensions,
38 mimeType,
39 "com.sun.imageio.plugins.bmp.BMPImageWriter",
40 STANDARD_OUTPUT_TYPE,
41 readerSpiNames,
42 false,
43 null, null, null, null,
44 true,
45 BMPMetadata.nativeMetadataFormatName,
46 "com.sun.imageio.plugins.bmp.BMPMetadataFormat",
47 null, null);
48 }
49
50 public String getDescription(Locale locale) {
51 return "Standard BMP Image Writer";
52 }
53
54 public void onRegistration(ServiceRegistry registry,
55 Class <?> category) {
56 if (registered) {
57 return;
58 }
59
60 registered = true;
61 }
62
63 public boolean canEncodeImage(ImageTypeSpecifier type) {
64 int dataType= type.getSampleModel().getDataType();
65 if (dataType < DataBuffer.TYPE_BYTE || dataType > DataBuffer.TYPE_INT)
66 return false;
67
68 SampleModel sm = type.getSampleModel();
69 int numBands = sm.getNumBands();
70 if (!(numBands == 1 || numBands == 3))
71 return false;
72
73 if (numBands == 1 && dataType != DataBuffer.TYPE_BYTE)
74 return false;
75
76 if (dataType > DataBuffer.TYPE_BYTE &&
77 !(sm instanceof SinglePixelPackedSampleModel ))
78 return false;
79
80 return true;
81 }
82
83 public ImageWriter createWriterInstance(Object extension)
84 throws IIOException {
85 return new BMPImageWriter(this);
86 }
87 }
88 |
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