/*
* @(#)BMPImageReaderSpi.java 1.7 09/04/29 07:41:30
*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
package com.sun.imageio.plugins.bmp;
import java.util.Locale;
import javax.imageio.spi.ImageReaderSpi;
import javax.imageio.stream.ImageInputStream;
import javax.imageio.spi.IIORegistry;
import javax.imageio.spi.ServiceRegistry;
import java.io.IOException;
import javax.imageio.ImageReader;
import javax.imageio.IIOException;
public class BMPImageReaderSpi extends ImageReaderSpi {
private static String [] writerSpiNames =
{"com.sun.imageio.plugins.bmp.BMPImageWriterSpi"};
private static String[] formatNames = {"bmp", "BMP"};
private static String[] entensions = {"bmp"};
private static String[] mimeType = {"image/bmp"};
private boolean registered = false;
public BMPImageReaderSpi() {
super("Sun Microsystems, Inc.",
"1.0",
formatNames,
entensions,
mimeType,
"com.sun.imageio.plugins.bmp.BMPImageReader",
new Class[] { ImageInputStream.class },
writerSpiNames,
false,
null, null, null, null,
true,
BMPMetadata.nativeMetadataFormatName,
"com.sun.imageio.plugins.bmp.BMPMetadataFormat",
null, null);
}
public void onRegistration(ServiceRegistry registry,
Class<?> category) {
if (registered) {
return;
}
registered = true;
}
public String getDescription(Locale locale) {
return "Standard BMP Image Reader";
}
public boolean canDecodeInput(Object source) throws IOException {
if (!(source instanceof ImageInputStream)) {
return false;
}
ImageInputStream stream = (ImageInputStream)source;
byte[] b = new byte[2];
stream.mark();
stream.readFully(b);
stream.reset();
return (b[0] == 0x42) && (b[1] == 0x4d);
}
public ImageReader createReaderInstance(Object extension)
throws IIOException {
return new BMPImageReader(this);
}
}