/*
* #%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.type.numeric.real;
import net.imglib2.img.NativeImg;
import net.imglib2.img.NativeImgFactory;
import net.imglib2.img.basictypeaccess.FloatAccess;
import net.imglib2.img.basictypeaccess.array.FloatArray;
import net.imglib2.type.NativeType;
import net.imglib2.util.Fraction;
/**
* TODO
*
* @author Stephan Preibisch
* @author Stephan Saalfeld
*/
public class FloatType extends AbstractRealType< FloatType > implements NativeType< FloatType >
{
private int i = 0;
final protected NativeImg< ?, ? extends FloatAccess > img;
// the DataAccess that holds the information
protected FloatAccess dataAccess;
// this is the constructor if you want it to read from an array
public FloatType( final NativeImg< ?, ? extends FloatAccess > floatStorage )
{
img = floatStorage;
}
// this is the constructor if you want it to be a variable
public FloatType( final float value )
{
img = null;
dataAccess = new FloatArray( 1 );
set( value );
}
// this is the constructor if you want to specify the dataAccess
public FloatType( final FloatAccess access )
{
img = null;
dataAccess = access;
}
// this is the constructor if you want it to be a variable
public FloatType()
{
this( 0 );
}
@Override
public NativeImg< FloatType, ? extends FloatAccess > createSuitableNativeImg( final NativeImgFactory< FloatType > storageFactory, final long dim[] )
{
// create the container
final NativeImg<FloatType, ? extends FloatAccess> container = storageFactory.createFloatInstance( dim, new Fraction() );
// create a Type that is linked to the container
final FloatType linkedType = new FloatType( container );
// pass it to the NativeContainer
container.setLinkedType( linkedType );
return container;
}
@Override
public void updateContainer( final Object c )
{
dataAccess = img.update( c );
}
@Override
public FloatType duplicateTypeOnSameNativeImg()
{
return new FloatType( img );
}
public float get()
{
return dataAccess.getValue( i );
}
public void set( final float f )
{
dataAccess.setValue( i, f );
}
@Override
public float getRealFloat()
{
return get();
}
@Override
public double getRealDouble()
{
return get();
}
@Override
public void setReal( final float real )
{
set( real );
}
@Override
public void setReal( final double real )
{
set( ( float ) real );
}
@Override
public double getMaxValue()
{
return Float.MAX_VALUE;
}
@Override
public double getMinValue()
{
return -Float.MAX_VALUE;
}
@Override
public double getMinIncrement()
{
return Float.MIN_VALUE;
}
@Override
public void mul( final float c )
{
set( get() * c );
}
@Override
public void mul( final double c )
{
set( ( float ) ( get() * c ) );
}
@Override
public void add( final FloatType c )
{
set( get() + c.get() );
}
@Override
public void div( final FloatType c )
{
set( get() / c.get() );
}
@Override
public void mul( final FloatType c )
{
set( get() * c.get() );
}
@Override
public void sub( final FloatType c )
{
set( get() - c.get() );
}
@Override
public int hashCode()
{
// NB: Use the same hash code as java.lang.Float#hashCode().
return Float.floatToIntBits(get());
}
@Override
public int compareTo( final FloatType c )
{
final float a = get();
final float b = c.get();
if ( a > b )
return 1;
else if ( a < b )
return -1;
else
return 0;
}
@Override
public void set( final FloatType c )
{
set( c.get() );
}
@Override
public void setOne()
{
set( 1 );
}
@Override
public void setZero()
{
set( 0 );
}
@Override
public void inc()
{
float a = get();
set( ++a );
}
@Override
public void dec()
{
float a = get();
set( --a );
}
@Override
public FloatType createVariable()
{
return new FloatType( 0 );
}
@Override
public FloatType copy()
{
return new FloatType( get() );
}
@Override
public Fraction getEntitiesPerPixel() { return new Fraction(); }
@Override
public void updateIndex( final int index )
{
i = index;
}
@Override
public int getIndex()
{
return i;
}
@Override
public void incIndex()
{
++i;
}
@Override
public void incIndex( final int increment )
{
i += increment;
}
@Override
public void decIndex()
{
--i;
}
@Override
public void decIndex( final int decrement )
{
i -= decrement;
}
@Override
public int getBitsPerPixel()
{
return 32;
}
}