org.graphstream.ui.swing.util

Class FPSLogger

java.lang.Object

org.graphstream.ui.swing.util.FPSLogger

public class FPSLogger
extends java.lang.Object

Very simple logger for Frame-Per-Second measurements.

Field Summary

Fields

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

Constructor Summary

Constructors

Constructor and Description
FPSLogger(java.lang.String fileName)

Method Summary

Modifier and Type	Method and 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 Detail

T1

protected long T1

Start time for a frame.

T2

protected long T2

End Time for a frame.

out

protected java.io.PrintStream out

Output channel.

Constructor Detail

FPSLogger

public FPSLogger(java.lang.String fileName)

Parameters:

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

Method Detail

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.