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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.concatenate;
import java.util.List;
import java.util.ListIterator;
/**
* Utilities for manipulating lists of (pre-)concatenable objects.
*
*
* @author Tobias Pietzsch
*/
public class ConcatenateUtils
{
public static void print( final List< ? > concatenatables )
{
final ListIterator< ? > iterator = concatenatables.listIterator();
System.out.print( " ==== " );
while ( iterator.hasNext() )
{
final Object a = iterator.next();
System.out.print( a );
if ( iterator.hasNext() )
System.out.print( " x " );
}
System.out.println();
}
/**
* Reduce a list of objects by iteratively pre/concatenating neighboring
* objects if they support it.
*
* @param objects
* list of objects that will be reduced in place
*/
@SuppressWarnings( { "unchecked", "rawtypes" } )
public static < T > void join( final List< T > objects )
{
int oldConcatenablesSize;
do
{
oldConcatenablesSize = objects.size();
if ( oldConcatenablesSize >= 2 )
{
final ListIterator< T > iterator = objects.listIterator();
T c1 = null;
T c2 = iterator.next();
while ( iterator.hasNext() )
{
c1 = c2;
c2 = iterator.next();
if ( Concatenable.class.isInstance( c1 ) && ( ( Concatenable ) c1 ).getConcatenableClass().isInstance( c2 ) )
{
c2 = ( T ) ( ( Concatenable ) c1 ).concatenate( c2 );
iterator.remove();
iterator.previous();
iterator.set( c2 );
iterator.next();
}
else if ( PreConcatenable.class.isInstance( c2 ) && ( ( PreConcatenable ) c2 ).getPreConcatenableClass().isInstance( c1 ) )
{
c2 = ( T ) ( ( PreConcatenable ) c2 ).preConcatenate( c1 );
iterator.previous();
iterator.previous();
iterator.remove();
iterator.next();
iterator.set( c2 );
}
}
}
}
while ( oldConcatenablesSize != objects.size() );
}
}