Package org.graphstream.ui.swing.util

Class FPSLogger

java.lang.Object

org.graphstream.ui.swing.util.FPSLogger

public class FPSLogger
extends Object

Very simple logger for Frame-Per-Second measurements.

Field Summary

Fields

Modifier and Type	Field	Description
protected PrintStream	out	Output channel.
protected long	T1	Start time for a frame.
protected long	T2	End Time for a frame.

Constructor Summary

Constructors

Constructor	Description
FPSLogger(String fileName)

Method Summary

Modifier and Type	Method	Description
void	beginFrame()	Start a new frame measurement.
void	close()	Ensure the log file is flushed and closed.
void	endFrame()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

T1

protected long T1

Start time for a frame.

T2

protected long T2

End Time for a frame.

out

protected PrintStream out

Output channel.

Constructor Details

FPSLogger

public FPSLogger(String fileName)

Parameters:

fileName - The name of the file where measurements will be written, frame by frame.

Method Details

beginFrame

public void beginFrame()

Start a new frame measurement.

endFrame

public void endFrame()

close

public void close()

Ensure the log file is flushed and closed. Be careful, calling `endFrame()` after `close()` will reopen the log file and erase prior measurements.