IntensityGraphTest.java

/*******************************************************************************
 * Copyright (c) 2010 Oak Ridge National Laboratory.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 ******************************************************************************/
package org.eclipse.nebula.visualization.widgets.figures;

import java.beans.PropertyDescriptor;

import org.eclipse.draw2d.Figure;
import org.eclipse.nebula.visualization.widgets.datadefinition.ColorMap;
import org.eclipse.nebula.visualization.widgets.datadefinition.ColorMap.PredefinedColorMap;
import org.eclipse.swt.widgets.Display;

/**
 * @author Xihui Chen
 * 
 */
public class IntensityGraphTest extends AbstractWidgetTest {

	public static int count = 0;

	@Override
	public Figure createTestWidget() {
		final IntensityGraphFigure figure = new IntensityGraphFigure();

		Thread t = new Thread(new Runnable() {

			public void run() {
				int c=0;
				while (c++<100) {
					try {
						Thread.sleep(10);
					} catch (InterruptedException e) {
						e.printStackTrace();
					}
					final double[] simuData = new double[1024 * 768];
					int seed = count++;
					for (int i = 0; i < 768; i++) {
						for (int j = 0; j < 1024; j++) {
							int x = j - 128;
							int y = i - 128;
							int p = (int) Math.sqrt(x * x + y * y);
							simuData[i * 1024 + j] = Math.sin(p * 2 * Math.PI
									/ 256 + seed * 10);
						}
					}
					Display.getDefault().asyncExec(new Runnable() {

						public void run() {
							System.out.println(count);

							figure.setDataArray(simuData);

						}
					});
				}
			}
		});
		t.start();

		figure.setMax(1);
		figure.setMin(-1);
		figure.setDataHeight(768);
		figure.setDataWidth(1024);
		figure.setColorMap(new ColorMap(PredefinedColorMap.JET, true, true));
		return figure;
	}

	@Override
	public String[] getPropertyNames() {
		String[] superProps = super.getPropertyNames();
		String[] myProps = new String[] { "colorMap", "cropBottom", "cropLeft",
				"cropRight", "cropTop", "dataArray", "dataHeight", "dataWidth",
				"max", "min", "runMode", "showRamp", "colorDepth", "inRGBMode",
				"singleLineProfiling" };

		return concatenateStringArrays(superProps, myProps);
	}

	@Override
	public Object generateTestData(PropertyDescriptor pd, Object seed) {
		if (pd.getName().equals("dataArray") && seed != null
				&& seed instanceof Integer) {
			double[] simuData = new double[65536];
			for (int i = 0; i < 256; i++) {
				for (int j = 0; j < 256; j++) {
					int x = j - 128;
					int y = i - 128;
					int p = (int) Math.sqrt(x * x + y * y);
					simuData[i * 256 + j] = Math.sin(p * 2 * Math.PI / 256
							+ (Integer) seed);
				}
			}
			return simuData;
		} else if (pd.getName().equals("dataWidth")
				|| pd.getName().equals("dataHeight"))
			return 256;
		else if (pd.getName().equals("max"))
			return 1;
		else if (pd.getName().equals("min"))
			return -1;
		else if (pd.getName().equals("colorMap") && seed != null
				&& seed instanceof Integer)
			return new ColorMap(
					PredefinedColorMap.values()[(Integer) seed % 6 + 1], true,
					true);
		return super.generateTestData(pd, seed);
	}

	@Override
	public boolean isAutoTest() {
		return true;
	}

}