/*
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 * Image processing operations for SciJava Ops.
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package org.scijava.ops.image.topology.eulerCharacteristic;

import net.imglib2.RandomAccess;
import net.imglib2.img.Img;
import net.imglib2.img.array.ArrayImgs;
import net.imglib2.type.logic.BitType;

/**
 * A class to generate cubes used in testing
 *
 * @author Richard Domander (Royal Veterinary College, London)
 */
public class TestHelper {

	public static Img<BitType> drawCube(final long width, final long height,
		final long depth, final long padding)
	{
		final long totalPadding = 2 * padding;
		final Img<BitType> cube = ArrayImgs.bits(width + totalPadding, height +
			totalPadding, depth + totalPadding);
		final long x1 = padding + width;
		final long y1 = padding + height;
		final long z1 = padding + depth;
		final RandomAccess<BitType> access = cube.randomAccess();

		for (long z = padding; z < z1; z++) {
			access.setPosition(z, 2);
			for (long y = padding; y < y1; y++) {
				access.setPosition(y, 1);
				for (long x = padding; x < x1; x++) {
					access.setPosition(x, 0);
					access.get().setOne();
				}
			}
		}

		return cube;
	}
}
