package org.libtiff.jai.codec;
/*
* XTIFF: eXtensible TIFF libraries for JAI.
*
* The contents of this file are subject to the JAVA ADVANCED IMAGING
* SAMPLE INPUT-OUTPUT CODECS AND WIDGET HANDLING SOURCE CODE License
* Version 1.0 (the "License"); You may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.sun.com/software/imaging/JAI/index.html
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is JAVA ADVANCED IMAGING SAMPLE INPUT-OUTPUT CODECS
* AND WIDGET HANDLING SOURCE CODE.
* The Initial Developer of the Original Code is: Sun Microsystems, Inc..
* Portions created by: Niles Ritter
* are Copyright (C): Niles Ritter, GeoTIFF.org, 1999,2000.
* All Rights Reserved.
* Contributor(s): Niles Ritter
*/
import java.io.IOException;
import com.sun.media.jai.codec.SeekableStream;
/**
* A class representing the factory for constructing a XTIFFDirectory, and the
* corresponding XTIFFFields. If you are creating extensions to those classes,
* extend this class as well. See the GeoTIFF package for an example of how to
* do this.
*
* @see org.libtiff.jai.TIFFDescriptor
* @see XTIFFField
* @see XTIFFDirectory
*/
public class XTIFFFactory extends Object implements java.io.Serializable {
/**
* Default constructor
*/
public XTIFFFactory() {}
/**
* Constructs an XTIFFDirectoryFactory from a SeekableStream. The directory
* parameter specifies which directory to read from the linked list present
* in the stream; directory 0 is normally read but it is possible to store
* multiple images in a single TIFF file by maintaing multiple directories.
*
* @param stream a SeekableStream to read from.
* @param directory the index of the directory to read.
*/
public XTIFFDirectory createDirectory(SeekableStream stream, int directory)
throws IOException {
return new XTIFFDirectory(stream, directory);
}
/**
* Constructs a XTIFFDirectory by reading a SeekableStream. The ifd_offset
* parameter specifies the stream offset from which to begin reading; this
* mechanism is sometimes used to store private IFDs within a TIFF file that
* are not part of the normal sequence of IFDs.
*
* @param stream a SeekableStream to read from.
* @param ifd_offset the long byte offset of the directory.
*/
public XTIFFDirectory createDirectory(SeekableStream stream, long ifd_offset)
throws IOException {
return new XTIFFDirectory(stream, ifd_offset);
}
/**
* Constructs an empty XTIFFDirectory for encoding
*/
public XTIFFDirectory createDirectory() {
return new XTIFFDirectory();
}
/**
* Constructs an XTIFFField from values
*
* @param tag the TIFF tag listed in XTIFF
* @param type the TIFF field type listed in XTIFFField
* @param count the number of values in array obj
* @param obj the array of values
* @see XTIFFField
*/
public XTIFFField createField(int tag, int type, int count, Object obj) {
return new XTIFFField(tag, type, count, obj);
}
}