/*
* #%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.img;
import net.imglib2.Cursor;
import net.imglib2.FlatIterationOrder;
import net.imglib2.Interval;
import net.imglib2.IterableInterval;
import net.imglib2.IterableRealInterval;
import net.imglib2.RandomAccess;
import net.imglib2.RandomAccessibleInterval;
import net.imglib2.type.Type;
import net.imglib2.view.IterableRandomAccessibleInterval;
import net.imglib2.view.Views;
import net.imglib2.view.iteration.SubIntervalIterable;
/**
* Allows a {@link RandomAccessibleInterval} to be treated as an {@link Img}.
*
* @author Tobias Pietzsch
* @author Christian Dietz (dietzc85@googlemail.com)
*/
public class ImgView< T extends Type< T > > extends
IterableRandomAccessibleInterval< T > implements Img< T >, SubIntervalIterable< T >
{
// factory
private final ImgFactory< T > factory;
// ImgView ii
private final IterableInterval< T > ii;
/**
* View on {@link Img} which is defined by a given Interval, but still is an
* {@link Img}.
*
* @param in
* Source interval for the view
* @param fac
* <T> Factory to create img
*/
public ImgView( final RandomAccessibleInterval< T > in, final ImgFactory< T > fac )
{
super( in );
factory = fac;
ii = Views.flatIterable( in );
}
@Override
public ImgFactory< T > factory()
{
return factory;
}
@Override
public Img< T > copy()
{
final Img< T > copy = factory.create( this, randomAccess().get()
.createVariable() );
final Cursor< T > srcCursor = localizingCursor();
final RandomAccess< T > resAccess = copy.randomAccess();
while ( srcCursor.hasNext() )
{
srcCursor.fwd();
resAccess.setPosition( srcCursor );
resAccess.get().set( srcCursor.get() );
}
return copy;
}
@Override
public Cursor< T > cursor()
{
return ii.cursor();
}
@Override
public Cursor< T > localizingCursor()
{
return ii.localizingCursor();
}
@SuppressWarnings( "unchecked" )
@Override
public boolean supportsOptimizedCursor( final Interval interval )
{
if ( this.sourceInterval instanceof SubIntervalIterable )
return ( ( SubIntervalIterable< T > ) this.sourceInterval ).supportsOptimizedCursor( interval );
else
return false;
}
@SuppressWarnings( "unchecked" )
@Override
public Object subIntervalIterationOrder( final Interval interval )
{
if ( this.sourceInterval instanceof SubIntervalIterable )
return ( ( SubIntervalIterable< T > ) this.sourceInterval ).subIntervalIterationOrder( interval );
else
return new FlatIterationOrder( interval );
}
@SuppressWarnings( "unchecked" )
@Override
public Cursor< T > cursor( final Interval interval )
{
if ( this.sourceInterval instanceof SubIntervalIterable )
return ( ( SubIntervalIterable< T > ) this.sourceInterval ).cursor( interval );
else
return Views.interval( this.sourceInterval, interval ).cursor();
}
@SuppressWarnings( "unchecked" )
@Override
public Cursor< T > localizingCursor( final Interval interval )
{
if ( this.sourceInterval instanceof SubIntervalIterable )
return ( ( SubIntervalIterable< T > ) this.sourceInterval ).localizingCursor( interval );
else
return Views.interval( this.sourceInterval, interval )
.localizingCursor();
}
}