devs.musicpackage
Class LevelMeter

java.lang.Object
  devs.musicpackage.LevelMeter

public class LevelMeter
extends java.lang.Object

a user interface component to show an amplitude value

Version:

1, January 20, 2005

Author:

Ulrich Hilger, Light Development, http://www.lightdev.com, info@lightdev.com, published under the terms and conditions of the GNU General Public License, for details see file license.txt in the distribution package of this software

Constructor Summary

LevelMeter(java.awt.image.BufferedImage bi, int index, int width, int height, int min, int max)
constructor

Method Summary

void	paintInitially() paint this level meter without showing a value
void	setOffscreenImage(java.awt.image.BufferedImage bi) set the offscreen image this component should draw to
void	setSize(int width, int height) set the size of this component
void	setValue(double value) set the decibel value this component should display
void	setWidth(int width) set the width of this component

Methods inherited from class java.lang.Object

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

Constructor Detail

LevelMeter

public LevelMeter(java.awt.image.BufferedImage bi,
                  int index,
                  int width,
                  int height,
                  int min,
                  int max)

constructor

Parameters:

bi - BufferedImage the offscreen image to use for painting

index - int index inside a group of level meters

width - int width of this level meter

height - int height of this level meter

min - int minimum value to display by this level meter

max - int maximum value to display by this level meter

Method Detail

setSize

public void setSize(int width,
                    int height)

set the size of this component

Parameters:

width - int the width

height - int the height

setValue

public void setValue(double value)

set the decibel value this component should display

Parameters:

value - double the decibel value to display

setWidth

public void setWidth(int width)

set the width of this component

Parameters:

width - int the width

paintInitially

public void paintInitially()

paint this level meter without showing a value

setOffscreenImage

public void setOffscreenImage(java.awt.image.BufferedImage bi)

set the offscreen image this component should draw to

Parameters:

bi - BufferedImage the offscreen image to draw to