loadchart.java

The WLAN Traffic Visualizer is a platform independent Java program providing accurate measurement of

package view;

//Copyright (C) 2008 Harald Unander, Wang Wenjuan
//
//    This file is part of WlanTV.
//
//    WlanTV is free software: you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation, either version 3 of the License, or
//    (at your option) any later version.
//
//    WlanTV is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with WlanTV.  If not, see <http://www.gnu.org/licenses/>.

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Shape;
import java.awt.geom.Rectangle2D;

import javax.swing.JPanel;

import main.Main;
import model.Load;



@SuppressWarnings("serial")
public class LoadChart extends JPanel {
	private Load load;
	private View parent;

	public LoadChart(Load load,View parent) {
		this.load = load;
		this.parent = parent;
	}

	@Override
	public void paint(Graphics g)
	{
		super.paint(g);
		Graphics2D g2d = (Graphics2D) g;
		drawLoad(g2d);
	}

	private void drawLoad(Graphics2D g2d) {
		g2d.setPaint(Color.BLACK);
		long w = load.t1-load.t0+1;
		long h = (long)(load.maxLoad*1.1);
//		long h;
//		if (load.maxLoad*1.1 > 30000)
//			h = (long)(load.maxLoad*1.1);
//		else
//			h = 30000;
		double wf = ((double)(getWidth()-40)/w);
		double hf = ((double)(getHeight()-60)/h);
		g2d.setStroke(new BasicStroke(0));
		g2d.setFont(Main.SMALLFONT);
		double t = 0;

		for (int i=0; i<load.realList.length;i++) {
			long realKbps = load.realList[i];
			long extraKbps = load.extraList[i];
			Shape s1 = new Rectangle2D.Double(40+t*wf,h*hf-hf*realKbps,wf*load.loadStep,hf*realKbps);
			Shape s2 = new Rectangle2D.Double(40+t*wf,h*hf-hf*realKbps-hf*extraKbps,wf*load.loadStep,hf*extraKbps);
			Shape s3 = new Rectangle2D.Double(40+t*wf,h*hf-hf*realKbps-hf*extraKbps,wf*load.loadStep,hf*(realKbps+extraKbps));
			g2d.setPaint(Color.LIGHT_GRAY);
			g2d.fill(s1);
			g2d.setPaint(Color.WHITE);
			g2d.fill(s2);
			g2d.setPaint(Color.BLACK);
			g2d.draw(s3);
			t += load.loadStep;
//			g2d.drawString(Long.toString(kbps), (int)(t*wf),(int)(hf*(h-kbps)));
		}

		g2d.setPaint(Color.BLACK);
		long yStep;
		if (h<1000) yStep = 50;
		else if (h<10000) yStep = 500;
		else yStep = 1000;
		for (int y=0; y<h; y+=yStep) {
			g2d.drawString(Integer.toString(y),5,(int)(hf*(h-y)));
		}
		g2d.setPaint(Color.BLACK);
//		g2d.drawString("Capture time: "+parent.getTotalCaptureTime(),40,getHeight()-45);
//		g2d.drawString("View time: "+parent.getViewCaptureTime(),40,getHeight()-35);
		g2d.drawString("Access time: "+parent.getFillAccessTime(),40,getHeight()-25);
//		g2d.setPaint(Color.DARK_GRAY);
		g2d.drawString("Average packet length: "+Integer.toString(parent.getDefaultFillPayloadLength()),40,getHeight()-15);
//		g2d.setPaint(Color.RED);
		g2d.drawString("Fill packet length: "+Integer.toString(parent.getFillPacketLength()),40,getHeight()-5);
	}
}