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/**
 * Copyright (c) 2011, The University of Southampton and the individual contributors.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 *   * 	Redistributions of source code must retain the above copyright notice,
 * 	this list of conditions and the following disclaimer.
 *
 *   *	Redistributions in binary form must reproduce the above copyright notice,
 * 	this list of conditions and the following disclaimer in the documentation
 * 	and/or other materials provided with the distribution.
 *
 *   *	Neither the name of the University of Southampton nor the names of its
 * 	contributors may be used to endorse or promote products derived from this
 * 	software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.openimaj.image.processing.face.alignment;

import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;

import org.openimaj.image.FImage;
import org.openimaj.image.processing.face.detection.DetectedFace;

/**
 * A FaceAligner that does nothing, and just passes on the patch from the
 * DetectedFace. Useful where you are benchmarking from a set where the faces
 * are already aligned.
 * 
 * @author Jonathon Hare ([email protected])
 * 
 * @param 
 *            Type of {@link DetectedFace}
 * 
 */
public class IdentityAligner implements FaceAligner {

	@Override
	public FImage align(T face) {
		return face.getFacePatch();
	}

	@Override
	public FImage getMask() {
		return null;
	}

	@Override
	public void readBinary(DataInput in) throws IOException {
		// Do nothing
	}

	@Override
	public byte[] binaryHeader() {
		// Do nothing
		return null;
	}

	@Override
	public void writeBinary(DataOutput out) throws IOException {
		// Do nothing
	}

	@Override
	public String toString() {
		return "IdentityAligner";
	}
}