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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
import java.math.BigInteger;
import org.itk.simple.*;
/* This class is needed because on some systems uint64_t gets converted to long
* while on others it becomes a BigInteger. */
class BigIntegerFix
{
public static long Convert( long value )
{
return value;
}
public static long Convert( BigInteger value )
{
return value.longValue();
}
}
class sitkImageTests
{
public static void main(String argv[])
{
int ntests = 2;
int npass = 0;
int nfail = 0;
System.out.println("[==========] Running Java.ImageTests");
System.out.println("[----------]");
System.out.println("[ RUN ] Java.BasicImageTest");
if (BasicImageTest())
{
System.out.println("[ OK ] Java.BasicImageTest");
npass++;
}
else
{
System.out.println("[ FAIL ] Java.BasicImageTest");
nfail++;
}
System.out.println("[----------]");
System.out.println("[----------]");
System.out.println("[ RUN ] Java.LabelShapeStatisticsTest");
if (LabelShapeStatisticsTest())
{
System.out.println("[ OK ] Java.LabelShapeStatisticsTest");
npass++;
}
else
{
System.out.println("[ FAIL ] Java.LabelShapeStatisticsTest");
nfail++;
}
System.out.println("[----------]");
System.out.println("[==========]");
if (npass == ntests)
{
System.out.println("[ PASSED ]");
}
else
{
System.out.println("[ FAILED ]");
System.exit(1);
}
}
public static boolean BasicImageTest()
{
int[] v = {1,1};
VectorUInt32 idx = new VectorUInt32( v.length );
for (int i = 0; i < v.length; i++)
{
idx.set( i, v[i] );
}
int size = 10;
short val = 42;
Image image = new Image(size, size, PixelIDValueEnum.sitkUInt8);
image.setPixelAsUInt8(idx, val);
try
{
if (size != image.getWidth())
{
throw new Exception("Bad width");
}
}
catch (Exception e)
{
return false;
}
short newval;
newval = image.getPixelAsUInt8(idx);
try
{
if (newval != val)
{
throw new Exception("Bad pixel value");
}
}
catch (Exception e)
{
return false;
}
return true;
}
public static boolean LabelShapeStatisticsTest()
{
int size = 10;
int i;
long j;
short val = 1;
/* Make a 10x10 test image */
Image image = new Image(size, size, PixelIDValueEnum.sitkUInt8);
VectorUInt32 idx = new VectorUInt32( 2 );
/* Fill in a 4x4 square in the middle of the image */
for (j=4; j<8; j++)
{
idx.set(1, j);
for (i=4; i<8; i++)
{
idx.set(0, i);
image.setPixelAsUInt8(idx, val);
}
}
try
{
/* Run statistics on the test image */
LabelShapeStatisticsImageFilter filter = new LabelShapeStatisticsImageFilter();
filter.execute(image);
VectorInt64 labels = filter.getLabels();
j = BigIntegerFix.Convert( filter.getNumberOfLabels() );
if (j != 1)
{
throw new Exception("Wrong number of labels");
}
long npix;
double perim;
System.out.println("Label,\t#pix,\tperimeter");
for (i=0; i<j; i++)
{
npix = BigIntegerFix.Convert( filter.getNumberOfPixels(labels.get(i)) );
perim = filter.getPerimeter( labels.get(i) );
System.out.format( "%d,\t%d,\t%f\n", labels.get(i), npix, perim );
/* The first (and only) label should have 16 pixels */
if (i==0)
{
if (npix != 16)
{
throw new Exception("Wrong number of pixels");
}
}
}
}
catch (Exception e)
{
return false;
}
return true;
}
}
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