/*
* #%L
* ImgLib2: a general-purpose, multidimensional image processing library.
* %%
* Copyright (C) 2009 - 2014 Stephan Preibisch, Tobias Pietzsch, Barry DeZonia,
* Stephan Saalfeld, Albert Cardona, Curtis Rueden, Christian Dietz, Jean-Yves
* Tinevez, Johannes Schindelin, Lee Kamentsky, Larry Lindsey, Grant Harris,
* Mark Hiner, Aivar Grislis, Martin Horn, Nick Perry, Michael Zinsmaier,
* Steffen Jaensch, Jan Funke, Mark Longair, and Dimiter Prodanov.
* %%
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. 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.
*
* 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 HOLDERS 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.
* #L%
*/
package net.imglib2.view;
import net.imglib2.Interval;
import net.imglib2.RandomAccess;
import net.imglib2.RandomAccessible;
import net.imglib2.transform.integer.Mixed;
import net.imglib2.transform.integer.MixedTransform;
/**
* TODO
*
*/
public class MixedTransformView< T > implements TransformedRandomAccessible< T >
{
protected final int n;
protected final RandomAccessible< T > source;
protected final MixedTransform transformToSource;
protected RandomAccessible< T > fullViewRandomAccessible;
public MixedTransformView( RandomAccessible< T > source, final Mixed transformToSource )
{
assert source.numDimensions() == transformToSource.numTargetDimensions();
this.n = transformToSource.numSourceDimensions();
while ( IntervalView.class.isInstance( source ) )
{
source = ( ( IntervalView< T > ) source ).getSource();
}
if ( MixedTransformView.class.isInstance( source ) )
{
final MixedTransformView< T > v = ( MixedTransformView< T > ) source;
this.source = v.getSource();
this.transformToSource = v.getTransformToSource().concatenate( transformToSource );
}
else
{
this.source = source;
final int sourceDim = this.source.numDimensions();
this.transformToSource = new MixedTransform( n, sourceDim );
this.transformToSource.set( transformToSource );
}
fullViewRandomAccessible = null;
}
@Override
public int numDimensions()
{
return n;
}
@Override
public String toString()
{
String className = this.getClass().getCanonicalName();
className = className.substring( className.lastIndexOf( "." ) + 1, className.length() );
return className + "(" + super.toString() + ")";
}
@Override
public RandomAccessible< T > getSource()
{
return source;
}
@Override
public MixedTransform getTransformToSource()
{
return transformToSource;
}
@Override
public RandomAccess< T > randomAccess( final Interval interval )
{
return TransformBuilder.getEfficientRandomAccessible( interval, this ).randomAccess();
}
@Override
public RandomAccess< T > randomAccess()
{
if ( fullViewRandomAccessible == null )
fullViewRandomAccessible = TransformBuilder.getEfficientRandomAccessible( null, this );
return fullViewRandomAccessible.randomAccess();
}
}