Package org.graphstream.ui.swing_viewer.util

Class FontCache

java.lang.Object

org.graphstream.ui.swing_viewer.util.FontCache

public class FontCache
extends Object

A cache for fonts.

This cache allows to avoid reloading fonts and allows to quickly lookup a font based on its name, its style (bold, italic) and its size.

Field Summary

Fields

Modifier and Type	Field	Description
protected final Map<String,org.graphstream.ui.swing_viewer.util.FontSlot>	cache	Cached fonts.
protected final Font	defaultFont	The default font.
static FontCache	defaultFontCache	The default font cache.

Constructor Summary

Constructors

Constructor	Description
FontCache()	New empty font cache.

Method Summary

Modifier and Type	Method	Description
static FontCache	defaultFontCache()	Default singleton instance for shared font cache.
Font	getDefaultFont()	The default font.
Font	getDefaultFont(org.graphstream.ui.graphicGraph.stylesheet.StyleConstants.TextStyle style, int size)
Font	getFont(String name, org.graphstream.ui.graphicGraph.stylesheet.StyleConstants.TextStyle style, int size)	Lookup a font, and if not found, try to load it, if still not available, return the default font.

Methods inherited from class java.lang.Object

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

Field Details

defaultFont

protected final Font defaultFont

The default font.

cache

protected final Map<String,org.graphstream.ui.swing_viewer.util.FontSlot> cache

Cached fonts.

defaultFontCache

public static FontCache defaultFontCache

The default font cache.

Constructor Details

FontCache

public FontCache()

New empty font cache.

Method Details

getDefaultFont

public Font getDefaultFont()

The default font.

Returns:

A font.

defaultFontCache

public static FontCache defaultFontCache()

Default singleton instance for shared font cache. This method and cache can only be used in the Swing thread.

Returns:

The default singleton font cache instance.

getDefaultFont

public Font getDefaultFont(org.graphstream.ui.graphicGraph.stylesheet.StyleConstants.TextStyle style,
 int size)

getFont

public Font getFont(String name,
 org.graphstream.ui.graphicGraph.stylesheet.StyleConstants.TextStyle style,
 int size)

Lookup a font, and if not found, try to load it, if still not available, return the default font.

Parameters:

name - The font name.

style - A style, taken from the styles available in the style sheets.

size - The font size in points.

Returns:

A font.