org.opensourcephysics.tools
Class FontSizer

java.lang.Object
  org.opensourcephysics.tools.FontSizer

public class FontSizer
extends java.lang.Object

A class for setting relative font sizes by level.

Version:

1.0

Author:

dobrown

Method Summary

static void	addPropertyChangeListener(java.lang.String property, java.beans.PropertyChangeListener listener) Adds a PropertyChangeListener.
static double	getFactor(int level) Gets the factor corresponding to a specified level.
static int	getLevel() Gets the current font level.
static java.awt.Font	getResizedFont(java.awt.Font font, double factor) Resizes a font by a specified factor.
static java.awt.Font	getResizedFont(java.awt.Font font, int level) Resizes a font to a specified level.
static void	levelDown() Decrements the font level and informs all listeners.
static void	levelUp() Increments the font level and informs all listeners.
static void	removePropertyChangeListener(java.lang.String property, java.beans.PropertyChangeListener listener) Removes a PropertyChangeListener.
static void	setFonts(java.lang.Object obj, int level) Sets the fonts of an object to a specified level.
static void	setLevel(int n) Sets the font level and informs all listeners.

Methods inherited from class java.lang.Object

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

Method Detail

setLevel

public static void setLevel(int n)

Sets the font level and informs all listeners.

Parameters:

n - a non-negative integer level

getLevel

public static int getLevel()

Gets the current font level.

Returns:

the level

levelUp

public static void levelUp()

Increments the font level and informs all listeners.

levelDown

public static void levelDown()

Decrements the font level and informs all listeners.

setFonts

public static void setFonts(java.lang.Object obj,
                            int level)

Sets the fonts of an object to a specified level.

Parameters:

obj - the object

level - the level

getResizedFont

public static java.awt.Font getResizedFont(java.awt.Font font,
                                           int level)

Resizes a font to a specified level.

Parameters:

font - the font

level - the level

getResizedFont

public static java.awt.Font getResizedFont(java.awt.Font font,
                                           double factor)

Resizes a font by a specified factor.

Parameters:

font - the font

factor - the factor

getFactor

public static double getFactor(int level)

Gets the factor corresponding to a specified level.

Parameters:

level - the level

Returns:

the factor

addPropertyChangeListener

public static void addPropertyChangeListener(java.lang.String property,
                                             java.beans.PropertyChangeListener listener)

Adds a PropertyChangeListener.

Parameters:

property - the name of the property (only "level" accepted)

listener - the object requesting property change notification

removePropertyChangeListener

public static void removePropertyChangeListener(java.lang.String property,
                                                java.beans.PropertyChangeListener listener)

Removes a PropertyChangeListener.

Parameters:

property - the name of the property (only "level" accepted)

listener - the listener requesting removal