BenchmarkPanel.java

/*******************************************************************************
 * Copyright (c) 2003-2005, 2013 Till Zoppke.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 * 
 * Contributors:
 *     Till Zoppke - initial API and implementation
 ******************************************************************************/
/*
 * Created on 31.03.2004
 */
package eniac.data.view;

import java.awt.Color;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Point;

import eniac.data.model.Benchmark;
import eniac.data.type.ParentGrid;
import eniac.simulation.Frequency;
import eniac.skin.Descriptor;

/**
 * @author zoppke
 */
public class BenchmarkPanel extends EPanel {

	/**
	 * @param data
	 */
	public BenchmarkPanel() {
		// empty
	}

	protected void paintComponent(Graphics g, int x, int y, int width, int height, int lod) {

		// super paints background image
		super.paintComponent(g, x, y, width, height, lod);

		// get descriptor. If no descriptor, just return.
		Descriptor descriptor = getDescriptor(lod);
		if (descriptor == null) {
			return;
		}

		// if power, paint curve
		if (_data.hasPower()) {

			// get variables
			Benchmark benchmark = (Benchmark) _data;
			Frequency[] freqs = benchmark.getFrequencies();
			int pointer = benchmark.getPointer();
			ParentGrid grid = (ParentGrid) _data.getType().getGrid(width, height, lod);
			int gridHeight = grid.yValues[1] - grid.yValues[0];
			Point previous = null;
			Color color = (Color) descriptor.get(Descriptor.Key.COLOR);
			// draw benchmark curve
			g.setColor(color);
			for (int i = 0; i < freqs.length; ++i) {

				// get variables
				Frequency freq = freqs[(i + pointer) % freqs.length];
				int yy = grid.yValues[1] - (int) (freq.logarithmic() * gridHeight);
				yy = Math.min(yy, grid.yValues[1] - 1);
				int xx = grid.xValues[i];

				// draw
				if (previous == null) {
					// if no previous point, we don't need to draw a line.
					// just initialize the point.
					previous = new Point(xx, yy);
				}
				else {
					// draw line from previous to current point.
					g.drawLine(x + previous.x, y + previous.y, x + xx, y + yy);
					// adjust previous point.
					previous.x = xx;
					previous.y = yy;
				}
			}
		}

		// draw foreground image
		Image img = (Image) descriptor.get(Descriptor.Key.FORE_IMAGE);
		g.drawImage(img, x, y, width, height, this);
	}
}