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remade traffic visualizer: buffers old radio connections + friendlier api

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This commit is contained in:
fros4943 2006-10-11 10:37:06 +00:00
parent b1afe2257b
commit 83b87c630b
1 changed files with 146 additions and 92 deletions
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214
tools/cooja/java/se/sics/cooja/plugins/VisTraffic.java
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@ -26,14 +26,15 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: VisTraffic.java,v 1.2 2006/10/05 15:13:48 fros4943 Exp $
* $Id: VisTraffic.java,v 1.3 2006/10/11 10:37:06 fros4943 Exp $
*/
package se.sics.cooja.plugins;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.util.Observable;
import java.util.Observer;
import java.util.*;
import javax.swing.SwingUtilities;
import org.apache.log4j.Logger;
import se.sics.cooja.*;
import se.sics.cooja.interfaces.Position;
@ -49,18 +50,21 @@ import se.sics.cooja.interfaces.Position;
@ClassDescription("Traffic Visualizer")
@VisPluginType(VisPluginType.SIM_PLUGIN)
public class VisTraffic extends Visualizer2D {
private boolean USE_ALPHA = false;
private boolean USE_HISTORY = true;
private int MAX_PAINTED_CONNS = 50;
private static final long serialVersionUID = 1L;
private static Logger logger = Logger.getLogger(VisTraffic.class);
private RadioMedium radioMedium;
/**
* The image painted on screen at repaint().
*/
public BufferedImage image;
public Vector<PaintedConnection> allPaintedConnections = new Vector<PaintedConnection>();
private Position oldSmallPosition = null;
private Position oldBigPosition = null;
private Simulation simulation;
private int oldNrMotes;
private Observer radioObserver = null;
@ -74,97 +78,86 @@ public class VisTraffic extends Visualizer2D {
super(simulationToVisualize);
setTitle("Traffic Visualizer");
simulation = simulationToVisualize;
oldNrMotes = simulation.getMotesCount();
radioMedium = simulationToVisualize.getRadioMedium();
// Repaint when radio medium has sent data
simulationToVisualize.getRadioMedium().addRadioMediumObserver(radioObserver = new Observer() {
public void update(Observable obs, Object obj) {
Graphics2D g2d = image.createGraphics();
g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.2f));
if (radioMedium != null && radioMedium.getLastTickConnections() != null) {
for (RadioConnection conn: radioMedium.getLastTickConnections()) {
if (conn != null)
paintConnection(conn, g2d);
}
}
getCurrentCanvas().repaint();
}
});
// Listen to radio medium and paint any new data transfers
simulationToVisualize.getRadioMedium().addRadioMediumObserver(
radioObserver = new Observer() {
public void update(Observable obs, Object obj) {
if (radioMedium == null)
return;
final RadioConnection[] connsToAdd = radioMedium
.getLastTickConnections();
if (connsToAdd != null && connsToAdd.length > 0) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
if (!USE_HISTORY)
allPaintedConnections.clear();
for (RadioConnection conn : connsToAdd) {
if (conn != null) {
Color connColor = getColorOf(conn);
int duration = getDurationOf(conn);
if (connColor != null && duration > 0)
allPaintedConnections.add(0, new PaintedConnection(
conn, duration, connColor));
}
}
getCurrentCanvas().repaint();
}
});
}
}
});
}
/**
* Paints given connection on given graphics.
*
* @param connection Connection
* @param g2d Graphics to paint on
* @param connection
* Connection
* @param g2d
* Graphics to paint on
*/
protected void paintConnection(RadioConnection connection, Graphics g2d) {
Point sourcePixelPosition = transformPositionToPixel(connection.getSourcePosition());
for (Position destPosition: connection.getDestinationPositons()) {
protected void paintConnection(PaintedConnection connection, Graphics g2d) {
Point sourcePixelPosition = transformPositionToPixel(connection.radioConnection
.getSourcePosition());
g2d.setColor(connection.getColor(simulation.isRunning()));
for (Position destPosition : connection.radioConnection
.getDestinationPositons()) {
Point destPixelPosition = transformPositionToPixel(destPosition);
g2d.setColor(getColorOf(connection));
g2d.drawLine(sourcePixelPosition.x, sourcePixelPosition.y,
destPixelPosition.x, destPixelPosition.y);
}
}
/**
* Returns color a specific connection should be painted in.
* Returns color the given connection should be painted in. If returned color
* is null, the connection will not be painted.
*
* @param connection Connection
* @param connection
* Connection
* @return Color
*/
protected Color getColorOf(RadioConnection connection) {
return Color.BLACK;
}
protected void calculateTransformations() {
super.calculateTransformations();
Dimension imageDimension = getCurrentCanvas().getPreferredSize();
if (imageDimension.height <= 0 || imageDimension.width <= 0)
return;
// Recreate image if ..
if (
// .. it hasn't been painted before
oldSmallPosition == null ||
oldBigPosition == null ||
image == null ||
simulation == null ||
// .. mote changes may have changed the transformation.
simulation.getMotesCount() != oldNrMotes ||
// .. visualization window has changed the transformation.
imageDimension.height != image.getHeight() ||
imageDimension.width != image.getWidth()
) {
if (simulation != null)
oldNrMotes = simulation.getMotesCount();
BufferedImage oldImage = image;
image = new BufferedImage(imageDimension.width, imageDimension.height, BufferedImage.TYPE_4BYTE_ABGR);
image.createGraphics().setColor(Color.WHITE);
image.createGraphics().fillRect(0, 0, imageDimension.width, imageDimension.height);
// If old data exists, keep it
if (oldSmallPosition != null && oldBigPosition != null) {
Point oldSmallPixelPos = transformPositionToPixel(oldSmallPosition);
Point oldBigPixelPos = transformPositionToPixel(oldBigPosition);
image.createGraphics().drawImage(oldImage,
oldSmallPixelPos.x,
oldSmallPixelPos.y,
oldBigPixelPos.x-oldSmallPixelPos.x,
oldBigPixelPos.y-oldSmallPixelPos.y,
null);
}
oldSmallPosition = transformPixelToPositon(new Point(0,0));
oldBigPosition = transformPixelToPositon(new Point(imageDimension.width, imageDimension.height));
}
/**
* Returns duration the given connection should be visible. If negative, the
* connection will not be painted. Observe that the duration is the number of
* repaints, not related to time.
*
* @param connection
* Connection
* @return Duration in repaints
*/
protected int getDurationOf(RadioConnection connection) {
return 10;
}
public void closePlugin() {
@ -179,7 +172,68 @@ public class VisTraffic extends Visualizer2D {
}
protected void visualizeSimulation(Graphics g) {
g.drawImage(image, 0, 0, null);
// Clean up old connections
Vector<PaintedConnection> newPaintedConnections = new Vector<PaintedConnection>();
for (PaintedConnection conn : allPaintedConnections)
if (!conn.shouldBeRemoved())
newPaintedConnections.add(conn);
allPaintedConnections = newPaintedConnections;
if (allPaintedConnections.size() > MAX_PAINTED_CONNS)
allPaintedConnections.setSize(MAX_PAINTED_CONNS);
for (PaintedConnection conn : allPaintedConnections)
paintConnection(conn, (Graphics2D) g);
}
public class PaintedConnection {
public RadioConnection radioConnection;
private int duration;
private int colorVal;
private int repaintsLeft;
private Color staticColor;
/**
* @param conn
* Radio connection to visualize
* @param duration
* Number of repaints
* @param color
* Base color of painted connection
*/
public PaintedConnection(RadioConnection conn, int duration, Color color) {
radioConnection = conn;
colorVal = color.getRGB() & 0xffffff;
repaintsLeft = duration;
this.duration = duration;
staticColor = color;
}
/**
* Get color this connection should be painted in.
*
* @param isRunning
* True if current simulation is running
* @return Color
*/
public Color getColor(boolean isRunning) {
if (isRunning)
repaintsLeft--;
if (!USE_ALPHA)
return staticColor;
int alpha = 127 + 128 * repaintsLeft / duration;
return new Color(colorVal | (alpha << 24), true);
}
public boolean shouldBeRemoved() {
return repaintsLeft <= 0;
}
}
}