/* Copyright (C) 2005-2011 Fabio Riccardi */
package com.lightcrafts.image.types;
import java.awt.image.RenderedImage;
import java.io.IOException;
import com.lightcrafts.image.BadImageFileException;
import com.lightcrafts.image.ImageInfo;
import com.lightcrafts.image.UnknownImageTypeException;
import com.lightcrafts.image.metadata.*;
//import com.lightcrafts.image.metadata.makernotes.SonyDirectory;
//import static com.lightcrafts.image.metadata.makernotes.SonyTags.*;
import static com.lightcrafts.image.metadata.TIFFTags.*;
/**
* A <code>ARWImageType</code> is-a {@link RawImageType} for ARW (Sony Raw)
* images.
*
* @author Paul J. Lucas [paul@lightcrafts.com]
*/
public final class ARWImageType extends RawImageType {
////////// public /////////////////////////////////////////////////////////
/** The singleton instance of <code>ARWImageType</code>. */
public static final ARWImageType INSTANCE = new ARWImageType();
/**
* {@inheritDoc}
*/
public String[] getExtensions() {
return EXTENSIONS;
}
/**
* {@inheritDoc}
*/
public String getName() {
return "ARW";
}
/**
* {@inheritDoc}
*/
public RenderedImage getPreviewImage( ImageInfo imageInfo, int maxWidth,
int maxHeight )
throws BadImageFileException, IOException, UnknownImageTypeException
{
if (!USE_EMBEDDED_PREVIEW)
return super.getPreviewImage(imageInfo, maxWidth, maxHeight);
final ImageMetadataDirectory dir =
imageInfo.getMetadata().getDirectoryFor( TIFFDirectory.class );
if ( dir == null ) {
//
// This should never be null, but just in case ...
//
return null;
}
final RenderedImage image = JPEGImageType.getImageFromBuffer(
imageInfo.getByteBuffer(),
dir.getValue( TIFF_JPEG_INTERCHANGE_FORMAT ), 0,
dir.getValue( TIFF_JPEG_INTERCHANGE_FORMAT_LENGTH ),
maxWidth, maxHeight
);
return image != null ?
image : super.getPreviewImage( imageInfo, maxWidth, maxHeight );
}
public boolean hasFastPreview() {
return true;
}
/**
* Reads all the metadata for a given ARW image file.
*
* @param imageInfo The image to read the metadata from.
*/
public void readMetadata( ImageInfo imageInfo )
throws BadImageFileException, IOException
{
final ImageMetadataReader reader = new TIFFMetadataReader( imageInfo );
MetadataUtil.removePreviewMetadataFrom( reader.readMetadata() );
}
////////// private ////////////////////////////////////////////////////////
/**
* Construct a <code>ARWImageType</code>.
* The constructor is <code>private</code> so only the singleton instance
* can be constructed.
*/
private ARWImageType() {
// do nothing
}
/**
* All the possible filename extensions for ARW files. All must be lower
* case and the preferred one must be first.
*/
private static final String EXTENSIONS[] = {
"arw"
};
}
/* vim:set et sw=4 ts=4: */