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A multidimensional, type-agnostic image processing library.
/*
* #%L
* ImgLib2: a general-purpose, multidimensional image processing library.
* %%
* Copyright (C) 2009 - 2018 Tobias Pietzsch, Stephan Preibisch, Stephan Saalfeld,
* John Bogovic, Albert Cardona, Barry DeZonia, Christian Dietz, Jan Funke,
* Aivar Grislis, Jonathan Hale, Grant Harris, Stefan Helfrich, Mark Hiner,
* Martin Horn, Steffen Jaensch, Lee Kamentsky, Larry Lindsey, Melissa Linkert,
* Mark Longair, Brian Northan, Nick Perry, Curtis Rueden, Johannes Schindelin,
* Jean-Yves Tinevez and Michael Zinsmaier.
* %%
* 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.RandomAccess;
import net.imglib2.RandomAccessibleInterval;
import net.imglib2.type.Type;
import net.imglib2.util.Util;
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
* @author Curtis Rueden
*/
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}.
*
* Deprecation: Use
* {@link ImgView#wrap(RandomAccessibleInterval, ImgFactory)} to represent a
* RandomAccessibleInterval as an Img
*
* @param in
* Source interval for the view
* @param fac
* T Factory to create img
*/
@Deprecated
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 );
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();
}
/**
* Represent an arbitrary {@link RandomAccessibleInterval} as an
* {@link Img}, with a suitable {@link ImgFactory} for its size and type,
* created by
* {@link Util#getSuitableImgFactory(net.imglib2.Dimensions, Object)}.
*
* @param accessible
* RandomAccessibleInterval which will be wrapped with an ImgView
* @return RandomAccessibleInterval represented as an Img
* @see Util#getSuitableImgFactory(net.imglib2.Dimensions, Object)
*/
public static < T extends Type< T > > Img< T > wrap( final RandomAccessibleInterval< T > accessible )
{
if ( accessible instanceof Img )
return ( Img< T > ) accessible;
else
{
final T type = Util.getTypeFromInterval( accessible );
final ImgFactory< T > factory = Util.getSuitableImgFactory( accessible, type );
return wrap( accessible, factory );
}
}
/**
* Represent an arbitrary {@link RandomAccessibleInterval} as an
* {@link Img}.
*
* @param accessible
* RandomAccessibleInterval which will be wrapped with an ImgView
* @param factory
* ImgFactory returned by {@link ImgView#factory()}
* @return RandomAccessibleInterval represented as an Img
*/
public static < T extends Type< T > > Img< T > wrap( final RandomAccessibleInterval< T > accessible, final ImgFactory< T > factory )
{
if ( accessible instanceof Img )
return ( Img< T > ) accessible;
else
return new ImgView<>( accessible, factory );
}
}