Полезная информация

Java AWT

Previous Chapter 19
java.awt Reference
Next
 

Font

Name

Font

[Graphic: Figure from the text]

Description

The Font class represents a specific font to the system.

Class Definition

public class java.awt.Font
    extends java.lang.Object
    implements java.io.Serializable {
  
  // Constants
  public static final int BOLD;
  public static final int ITALIC;
  public static final int PLAIN;
  
  // Variables
  protected String name;
  protected int size;
  protected int style;
  
  // Constructors
  public Font (String name, int style, int size);
  
  // Class Methods
  public static Font decode (String str); (New)
  public static Font getFont (String name)
  public static Font getFont (String name, Font defaultFont)
  
  // Instance Methods
  public boolean equals (Object object);
  public String getFamily();
  public String getName();
  public FontPeer getPeer(); (New)
  public int getSize();
  public int getStyle();
  public int hashCode();
  public boolean isBold();
  public boolean isItalic();
  public boolean isPlain();
  public String toString();
}

Constants

BOLD

public static final int BOLD

Constant for specifying bold fonts.

ITALIC

public static final int ITALIC

Constant for specifying fonts.

PLAIN

public static final int PLAIN

Constant for specifying plain fonts.

Variables

name

protected String name

The font's logical name.

size

protected int size

The font size; allegedly in points, though probably not true typographer's points.

style

protected int style

The font style, e.g., bold or italic or a combination thereof.

Constructors

Font

public Font (String name, int style, int size)

Parameters

name

The name of the desired font.

style

One of the style flags (PLAIN, BOLD, or ITALIC) or a combination.

size

The size of the font to create.

Description

Constructs a Font object with the given characteristics.

Class Methods

decode

public static Font decode (String str) (New)

Parameters

str

The string describing the font.

Returns

Font instance requested, or default if str is invalid.

Description

Gets font specified by str.

getFont

public static Font getFont (String name)

Parameters

name

The name of a system property specifying a font to fetch.

Returns

Font instance for name requested, or null if name is invalid.

Description

Gets font specified by the system property name.

public static Font getFont (String name, Font defaultFont)

Parameters

name

The name of a system property specifying a font to fetch.

defaultFont

Font to return if name not found in properties.

Returns

Font instance of name requested, or defaultFont if name is invalid

Description

Gets font specified by the system property name.

Instance Methods

equals

public boolean equals (Object object)

Parameters

object

The object to compare.

Returns

true if the objects are equivalent fonts (same name, style, and point size), false otherwise.

Overrides

Object.equals(Object)

Description

Compares two different Font instances for equivalence.

getFamily

public String getFamily()

Returns

Retrieves the actual name of the font.

getName

public String getName()

Returns

Retrieves the logical name of the font.

getPeer

public FontPeer getPeer() (New)

Returns

The font's peer.

getSize

public int getSize()

Returns

Retrieves the size parameter from creation

getStyle

public int getStyle()

Returns

Retrieves the style parameter from creation.

hashCode

public int hashCode()

Returns

A hashcode to use when using the Font as a key in a Hashtable.

Overrides

Object.hashCode()

Description

Generates a hashcode for the Font.

isBold

public boolean isBold()

Returns

true if Font style is bold, false otherwise.

isItalic

public boolean isItalic()

Returns

true if Font style is italic, false otherwise.

isPlain

public boolean isPlain()

Returns

true if Font style is neither bold nor italic, false otherwise.

toString

public String toString()

Returns

A string representation of the Font object.

Overrides

Object.toString()

See Also

FontMetrics, Object, Properties, String


Previous Home Next
FlowLayout Book Index FontMetrics

Java in a Nutshell Java Language Reference Java AWT Java Fundamental Classes Exploring Java