org.monte.media.mpo.MPOImageReaderSpi Maven / Gradle / Ivy
/*
* @(#)MPOImageReaderSpi.java 1.0 2010-01-05
*
* Copyright (c) 2010 Werner Randelshofer, Goldau, Switzerland.
* All rights reserved.
*
* You may not use, copy or modify this file, except in compliance with the
* license agreement you entered into with Werner Randelshofer.
* For details see accompanying license terms.
*/
package org.monte.media.mpo;
import java.io.IOException;
import java.util.Locale;
import javax.imageio.ImageReader;
import javax.imageio.spi.ImageReaderSpi;
import javax.imageio.stream.ImageInputStream;
/**
* ImageIO service provider interface for images in the MultiPicture Object
* format (MPO).
*
* See: MPO Format Specification.
*
* @author Werner Randelshofer
* @version 1.0 2010-01-05 Created.
*/
public class MPOImageReaderSpi extends ImageReaderSpi {
public MPOImageReaderSpi() {
super("Werner Randelshofer",//vendor name
"1.0",//version
new String[]{"MPO"},//names
new String[]{"mpo"},//suffixes,
new String[]{"image/mpo"},// MIMETypes,
"org.monte.media.mpo.MPOImageReader",// readerClassName,
new Class[]{ImageInputStream.class},// inputTypes,
null,// writerSpiNames,
false,// supportsStandardStreamMetadataFormat,
null,// nativeStreamMetadataFormatName,
null,// nativeStreamMetadataFormatClassName,
null,// extraStreamMetadataFormatNames,
null,// extraStreamMetadataFormatClassNames,
false,// supportsStandardImageMetadataFormat,
"com_sun_media_imageio_plugins_tiff_image_1.0",// nativeImageMetadataFormatName,
null,// nativeImageMetadataFormatClassName,
null,// extraImageMetadataFormatNames,
null// extraImageMetadataFormatClassNames
);
}
@Override
public boolean canDecodeInput(Object source) throws IOException {
if (source instanceof ImageInputStream) {
ImageInputStream in = (ImageInputStream) source;
in.mark();
// Check if file starts with a JFIF SOI magic (0xffd8=-40)
if (in.readShort() != -40) {
in.reset();
return false;
}
in.reset();
return true;
}
return false;
}
@Override
public ImageReader createReaderInstance(Object extension) throws IOException {
return new MPOImageReader(this);
}
@Override
public String getDescription(Locale locale) {
return "MPO Image Reader";
}
}