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/*


NOTICE





(c) 2005-2007 Sun Microsystems, Inc. All Rights Reserved.

Neither this file nor any files generated from it describe a complete
specification, and they may only be used as described below. For
example, no permission is given for you to incorporate this file, in
whole or in part, in an implementation of a Java specification.

Sun Microsystems Inc. owns the copyright in this file and it is provided
to you for informative, as opposed to normative, use. The file and any
files generated from it may be used to generate other informative
documentation, such as a unified set of documents of API signatures for
a platform that includes technologies expressed as Java APIs. The file
may also be used to produce "compilation stubs," which allow
applications to be compiled and validated for such platforms.

Any work generated from this file, such as unified javadocs or compiled
stub files, must be accompanied by this notice in its entirety.

This work corresponds to the API signatures of JSR 217: Personal Basis
Profile 1.1. In the event of a discrepency between this work and the
JSR 217 specification, which is available at
http://www.jcp.org/en/jsr/detail?id=217, the latter takes precedence.
*/


  


package java.awt;

import java.io.*;

// import java.awt.font.FontRenderContext;
// import java.awt.font.GlyphVector;
// import java.awt.font.LineMetrics;
// import java.awt.font.TextAttribute;
// import java.awt.font.TextLayout;
// import java.awt.font.TransformAttribute;
// import java.awt.geom.AffineTransform;
// import java.awt.geom.Rectangle2D;
// import java.awt.peer.FontPeer;
import java.lang.ref.SoftReference;
import java.text.AttributedCharacterIterator.Attribute;
import java.text.CharacterIterator;
import java.text.StringCharacterIterator;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.Locale;
import java.util.Map;
// import sun.awt.font.NativeFontWrapper;
// import sun.awt.font.StandardGlyphVector;
// import sun.java2d.FontSupport;
// import sun.java2d.SunGraphicsEnvironment;

// PBP/PP 6217602

/** 
 * The Font class represents fonts, which are used to
 * render text in a visible way.
 * A font provides the information needed to map sequences of
 * characters to sequences of glyphs
 * and to render sequences of glyphs on Graphics and
 * Component objects.
 * 
 * 
Characters and Glyphs
 * 
 * A character is a symbol that represents an item such as a letter,
 * a digit, or punctuation in an abstract way. For example, 'g',
 * LATIN SMALL LETTER G, is a character.
 * 

 * A glyph is a shape used to render a character or a sequence of
 * characters. In simple writing systems, such as Latin, typically one glyph
 * represents one character. In general, however, characters and glyphs do not
 * have one-to-one correspondence. For example, the character 'á'
 * LATIN SMALL LETTER A WITH ACUTE, can be represented by
 * two glyphs: one for 'a' and one for '´'. On the other hand, the
 * two-character string "fi" can be represented by a single glyph, an
 * "fi" ligature. In complex writing systems, such as Arabic or the South
 * and South-East Asian writing systems, the relationship between characters
 * and glyphs can be more complicated and involve context-dependent selection
 * of glyphs as well as glyph reordering.
 *
 * A font encapsulates the collection of glyphs needed to render a selected set
 * of characters as well as the tables needed to map sequences of characters to
 * corresponding sequences of glyphs.
 *
 * 
Physical and Logical Fonts
 *
 * The Java 2 platform distinguishes between two kinds of fonts:
 * physical fonts and logical fonts.
 * 

 * Physical fonts are the actual font libraries containing glyph data
 * and tables to map from character sequences to glyph sequences, using a font
 * technology such as TrueType or PostScript Type 1.
 * 
 * Physical fonts may use names such as Helvetica, Palatino, HonMincho, or
 * any number of other font names.
 * Typically, each physical font supports only a limited set of writing
 * systems, for example, only Latin characters or only Japanese and Basic
 * Latin.
 * The set of available physical fonts varies between configurations.
 * 
 * 

 * Logical fonts are the five font families defined by the Java
 * platform which must be supported by any Java runtime environment:
 * Serif, SansSerif, Monospaced, Dialog, and DialogInput.
 * These logical fonts are not actual font libraries. Instead, the logical
 * font names are mapped to physical fonts by the Java runtime environment.
 * The mapping is implementation and usually locale dependent, so the look
 * and the metrics provided by them vary.
 * Typically, each logical font name maps to several physical fonts in order to
 * cover a large range of characters.
 * 

 * 
 * 

 * For a discussion of the relative advantages and disadvantages of using
 * physical or logical fonts, see the
 * Internationalization FAQ
 * document.
 *
 * 
Font Faces and Names
 * 
 * A Font 
 * can have many faces, such as heavy, medium, oblique, gothic and
 * regular. All of these faces have similar typographic design.
 * 

 * There are three different names that you can get from a 
 * Font object.  The logical font name is simply the
 * name that was used to construct the font.
 * The font face name, or just font name for
 * short, is the name of a particular font face, like Helvetica Bold. The
 * family name is the name of the font family that determines the
 * typographic design across several faces, like Helvetica.
 * 

 * The Font class represents an instance of a font face from
 * a collection of  font faces that are present in the system resources
 * of the host system.  As examples, Arial Bold and Courier Bold Italic
 * are font faces.  There can be several Font objects
 * associated with a font face, each differing in size, style
 *  and font features.  
 * 
 *
 * @version 	1.181, 01/23/03
 */
public class Font implements Serializable
{
    /** 
     * The plain style constant.
     */
    public static final int PLAIN = 0;

    /** 
     * The bold style constant.  This can be combined with the other style
     * constants (except PLAIN) for mixed styles.
     */
    public static final int BOLD = 1;

    /** 
     * The italicized style constant.  This can be combined with the other
     * style constants (except PLAIN) for mixed styles.
     */
    public static final int ITALIC = 2;

    // /** 
     // * The baseline used in most Roman scripts when laying out text.
     // */
    // public static final int ROMAN_BASELINE = 0;
// 
    // /** 
     // * The baseline used in ideographic scripts like Chinese, Japanese,
     // * and Korean when laying out text.
     // */
    // public static final int CENTER_BASELINE = 0;
// 
    // /** 
     // * The baseline used in Devanigiri and similar scripts when laying
     // * out text.
     // */
    // public static final int HANGING_BASELINE = 0;
// 
    // /** 
     // * Create a Font of type TRUETYPE.
     // * In future other types may be added to support other font types.
     // */
    // public static final int TRUETYPE_FONT = 0;

    /** 
     * The logical name of this Font, as passed to the
     * constructor.
     * @since JDK1.0
     *
     * @serial
     * @see #getName
     */
    protected String name;

    /** 
     * The style of this Font, as passed to the constructor.
     * This style can be PLAIN, BOLD, ITALIC, or BOLD+ITALIC.
     * @since JDK1.0
     *
     * @serial
     * @see #getStyle()
     */
    protected int style;

    /** 
     * The point size of this Font, rounded to integer.
     * @since JDK1.0
     *
     * @serial
     * @see #getSize()
     */
    protected int size;

    /** 
     // * The point size of this Font in float.
     // *
     // * @serial
     // * @see #getSize()
     // * @see #getSize2D()
     // */
    // protected float pointSize;
// 
    // /** 
     // * A flag to layoutGlyphVector indicating that text is left-to-right as
     // * determined by Bidi analysis.
     // */
    // public static final int LAYOUT_LEFT_TO_RIGHT = 0;
// 
    // /** 
     // * A flag to layoutGlyphVector indicating that text is right-to-left as
     // * determined by Bidi analysis.
     // */
    // public static final int LAYOUT_RIGHT_TO_LEFT = 0;
// 
    // /** 
     // * A flag to layoutGlyphVector indicating that text in the char array
     // * before the indicated start should not be examined.
     // */
    // public static final int LAYOUT_NO_START_CONTEXT = 0;
// 
    // /** 
     // * A flag to layoutGlyphVector indicating that text in the char array
     // * after the indicated limit should not be examined.
     // */
    // public static final int LAYOUT_NO_LIMIT_CONTEXT = 0;

    /** 
     * A map of font attributes available in this font.
     * Attributes include things like ligatures and glyph substitution.
     *
     * @serial
     * @see #getAttributes()
     */
    private Hashtable fRequestedAttributes;

    /** 
     * The Font Serializable Data Form.
     *
     * @serial
     */
    private int fontSerializedDataVersion;

    /*
     * JDK 1.1 serialVersionUID
     */
    private static final long serialVersionUID = -4206021311591459213L;

    /** 
     * Creates a new Font from the specified name, style and
     * point size.
     * @param name the font name.  This can be a logical font name or a
     * font face name. A logical name must be either: Dialog, DialogInput,
     * Monospaced, Serif, or SansSerif.  If name is
     * null, the name of the new
     * Font is set to the name "Default".
     * @param style the style constant for the Font
     * The style argument is an integer bitmask that may
     * be PLAIN, or a bitwise union of BOLD and/or ITALIC
     * (for example, ITALIC or BOLD|ITALIC).
     * If the style argument does not conform to one of the expected
     * integer bitmasks then the style is set to PLAIN.
     * @param size the point size of the Font
     * @see GraphicsEnvironment#getAvailableFontFamilyNames
     * @since JDK1.0
     */
    public Font(String name, int style, int size) { }

    /** 
     * Creates a new Font with the specified attributes.
     * This Font only recognizes keys defined in 
     * {@link TextAttribute} as attributes.  If attributes
     * is null, a new Font is initialized
     * with default attributes.
     * @param attributes the attributes to assign to the new
     *		Font, or null
     */
    public Font(Map attributes) { }

    // /** 
     // * Gets the peer of this Font.
     // * @return  the peer of the Font.
     // * @since JDK1.1
     // * @deprecated Font rendering is now platform independent.
     // */
    // public FontPeer getPeer() { }

    /** 
     * Returns a Font appropriate to this attribute set.
     *
     * @param attributes the attributes to assign to the new 
     *		Font
     * @return a new Font created with the specified
     * 		attributes
     * @since 1.2
     * @see java.awt.font.TextAttribute
     */
    public static Font getFont(Map attributes) { return null; }

    // /** 
     // * Returns a new Font with the specified font type
     // * and input data.  The new Font is
     // * created with a point size of 1 and style {@link #PLAIN PLAIN}.
     // * This base font can then be used with the deriveFont
     // * methods in this class to derive new Font objects with
     // * varying sizes, styles, transforms and font features.  This
     // * method does not close the {@link InputStream}.
     // * @param fontFormat the type of the Font, which is
     // * {@link #TRUETYPE_FONT TRUETYPE_FONT} if a TrueType is desired.  Other
     // * types might be provided in the future.
     // * @param fontStream an InputStream object representing the
     // * input data for the font.
     // * @return a new Font created with the specified font type.
     // * @throws IllegalArgumentException if fontType is not
     // *     TRUETYPE_FONT
     // * @throws FontFormatException if the fontStream data does
     // *     not contain the required Truetype font tables.
     // * @throws IOException if the fontStream
     // *     cannot be completely read.
     // * @since 1.3
     // */
    // public static Font createFont(int fontFormat, InputStream fontStream)
        // throws FontFormatException, IOException
    // { }

    // /** 
     // * Returns a copy of the transform associated with this 
     // * Font.
     // * @return an {@link AffineTransform} object representing the
     // *		transform attribute of this Font object.
     // */
    // public AffineTransform getTransform() { }

// PBP/PP
    /** 
     * Returns the family name of this Font.  
     * 
     * 
The family name of a font is font specific. Two fonts such as 
     * Helvetica Italic and Helvetica Bold have the same family name, 
     * Helvetica, whereas their font face names are 
     * Helvetica Bold and Helvetica Italic. The list of 
     * available family names may be obtained by using the 
     * {@link GraphicsEnvironment#getAvailableFontFamilyNames()} method.
     * 
     * 
Use getName to get the logical name of the font.
     * 
     * @return a String that is the family name of this
     *		Font.
     * 
     * @see #getName
     * @since JDK1.1
     */
    public String getFamily() { return null;}

    // /** 
     // * Returns the family name of this Font, localized for
     // * the specified locale.
     // * 
     // * 
The family name of a font is font specific. Two fonts such as 
     // * Helvetica Italic and Helvetica Bold have the same family name, 
     // * Helvetica, whereas their font face names are 
     // * Helvetica Bold and Helvetica Italic. The list of 
     // * available family names may be obtained by using the 
     // * {@link GraphicsEnvironment#getAvailableFontFamilyNames()} method.
     // * 
     // * 
Use getFontName to get the font face name of the font.
     // * @param l locale for which to get the family name
     // * @return a String representing the family name of the
     // *		font, localized for the specified locale.
     // * @see #getFontName
     // * @see java.util.Locale
     // * @since 1.2
     // */
    // public String getFamily(Locale l) { }

    // /** 
     // * Returns the postscript name of this Font.
     // * Use getFamily to get the family name of the font.
     // * Use getFontName to get the font face name of the font.
     // * @return a String representing the postscript name of
     // *		this Font.
     // * @since 1.2
     // */
    // public String getPSName() { }

// PBP/PP
    /** 
     * Returns the logical name of this Font.
     * Use getFamily to get the family name of the font.
     * 
     * @return a String representing the logical name of
     *		this Font.
     * @see #getFamily
     * @since JDK1.0
     */
    public String getName() { return null;}

    // /** 
     // * Returns the font face name of this Font.  For example,
     // * Helvetica Bold could be returned as a font face name.
     // * Use getFamily to get the family name of the font.
     // * Use getName to get the logical name of the font.
     // * @return a String representing the font face name of 
     // *		this Font.
     // * @see #getFamily
     // * @see #getName
     // * @since 1.2
     // */
    // public String getFontName() { }
// 
    // /** 
     // * Returns the font face name of the Font, localized
     // * for the specified locale. For example, Helvetica Fett could be
     // * returned as the font face name.
     // * Use getFamily to get the family name of the font.
     // * @param l a locale for which to get the font face name
     // * @return a String representing the font face name,
     // *		localized for the specified locale.
     // * @see #getFamily
     // * @see java.util.Locale
     // */
    // public String getFontName(Locale l) { }

    /** 
     * Returns the style of this Font.  The style can be
     * PLAIN, BOLD, ITALIC, or BOLD+ITALIC.
     * @return the style of this Font
     * @see #isPlain
     * @see #isBold
     * @see #isItalic
     * @since JDK1.0
     */
    public int getStyle() { return 0; }

// PBP/PP
// [6187222]

    /** 
     * Returns the point size of this Font, rounded to
     * an integer.
     * Most users are familiar with the idea of using point size to
     * specify the size of glyphs in a font. This point size defines a
     * measurement between the baseline of one line to the baseline of the
     * following line in a single spaced text document. The point size is
     * based on typographic points, approximately 1/72 of an inch.
     * 

     * The Java(tm)2D API adopts the convention that one point is
     * equivalent to one unit in user coordinates.  In this case one point
     * is 1/72 of an inch.
     * @return the point size of this Font in 1/72 of an 
     *		inch units.
     * @since JDK1.0
     */
    public int getSize() { return 0; }

    // /** 
     // * Returns the point size of this Font in
     // * float value.
     // * @return the point size of this Font as a
     // * float value.
     // * @see #getSize
     // * @since 1.2
     // */
    // public float getSize2D() { }

    /** 
     * Indicates whether or not this Font object's style is
     * PLAIN.
     * @return    true if this Font has a
     * 		  PLAIN sytle;
     *            false otherwise.
     * @see       java.awt.Font#getStyle
     * @since     JDK1.0
     */
    public boolean isPlain() { return false;}

    /** 
     * Indicates whether or not this Font object's style is
     * BOLD.
     * @return    true if this Font object's
     *		  style is BOLD;
     *            false otherwise.
     * @see       java.awt.Font#getStyle
     * @since     JDK1.0
     */
    public boolean isBold() { return false; }

    /** 
     * Indicates whether or not this Font object's style is
     * ITALIC.
     * @return    true if this Font object's
     *		  style is ITALIC;
     *            false otherwise.
     * @see       java.awt.Font#getStyle
     * @since     JDK1.0
     */
    public boolean isItalic() { return false; }

    // /** 
     // * Indicates whether or not this Font object has a
     // * transform that affects its size in addition to the Size
     // * attribute.
     // * @return	true if this Font object
     // *		has a non-identity AffineTransform attribute.
     // *		false otherwise.
     // * @see	java.awt.Font#getTransform
     // * @since	1.4
     // */
    // public boolean isTransformed() { }

    /** 
     * Returns a Font object from the system properties list.
     * @param nm the property name
     * @return a Font object that the property name
     *		describes.
     * @since 1.2
     */
    public static Font getFont(String nm) { return null;}

    /** 
     * Returns the Font that the str 
     * argument describes.
     * To ensure that this method returns the desired Font, 
     * format the str parameter in
     * one of two ways:
     * 

     * "fontfamilyname-style-pointsize" or 

     * "fontfamilyname style pointsize"

     * in which style is one of the three 
     * case-insensitive strings:
     * "BOLD", "BOLDITALIC", or
     * "ITALIC", and pointsize is a decimal
     * representation of the point size.
     * For example, if you want a font that is Arial, bold, and
     * a point size of 18, you would call this method with:
     * "Arial-BOLD-18".
     * 

     * The default size is 12 and the default style is PLAIN.
     * If you don't specify a valid size, the returned 
     * Font has a size of 12.  If you don't specify 
     * a valid style, the returned Font has a style of PLAIN.
     * If you do not provide a valid font family name in 
     * the str argument, this method still returns 
     * a valid font with a family name of "dialog".
     * To determine what font family names are available on
     * your system, use the
     * {@link GraphicsEnvironment#getAvailableFontFamilyNames()} method.
     * If str is null, a new Font
     * is returned with the family name "dialog", a size of 12 and a 
     * PLAIN style.
     *       If str is null, 
     * a new Font is returned with the name "dialog", a  
     * size of 12 and a PLAIN style.
     * @param str the name of the font, or null
     * @return the Font object that str
     *		describes, or a new default Font if 
     *          str is null.
     * @see #getFamily
     * @since JDK1.1
     */
    public static Font decode(String str) { return null;}

    /** 
     * Gets the specified Font from the system properties
     * list.  As in the getProperty method of 
     * System, the first
     * argument is treated as the name of a system property to be
     * obtained.  The String value of this property is then
     * interpreted as a Font object. 
     * 

     * The property value should be one of the following forms: 
     * 

     * 
fontname-style-pointsize
     * 
fontname-pointsize
     * 
fontname-style
     * 
fontname
     * 
     * where style is one of the three case-insensitive strings 
     * "BOLD", "BOLDITALIC", or 
     * "ITALIC", and point size is a decimal 
     * representation of the point size. 
     * 

     * The default style is PLAIN. The default point size 
     * is 12. 
     * 

     * If the specified property is not found, the font 
     * argument is returned instead. 
     * @param nm the case-insensitive property name
     * @param font a default Font to return if property
     * 		nm is not defined
     * @return    the Font value of the property.
     * @see #decode(String)
     */
    public static Font getFont(String nm, Font font) { return null;}

    /** 
     * Returns a hashcode for this Font.
     * @return     a hashcode value for this Font.
     * @since      JDK1.0
     */
    public int hashCode() { return 0; }

    /** 
     * Compares this Font object to the specified 
     * Object.
     * @param obj the Object to compare
     * @return true if the objects are the same
     *          or if the argument is a Font object
     *          describing the same font as this object; 
     *		false otherwise.
     * @since JDK1.0
     */
    public boolean equals(Object obj) { return false; }

    /** 
     * Converts this Font object to a String
     * representation.
     * @return     a String representation of this 
     *		Font object.
     * @since      JDK1.0
     */
    public String toString() { return null;}
// 
    // /** 
     // * Returns the number of glyphs in this Font. Glyph codes
     // * for this Font range from 0 to 
     // * getNumGlyphs() - 1.
     // * @return the number of glyphs in this Font.
     // * @since 1.2
     // */
    // public int getNumGlyphs() { }
// 
    // /** 
     // * Returns the glyphCode which is used when this Font 
     // * does not have a glyph for a specified unicode.
     // * @return the glyphCode of this Font.
     // * @since 1.2
     // */
    // public int getMissingGlyphCode() { }
// 
    // /** 
     // * Returns the baseline appropriate for displaying this character.
     // * 

     // * Large fonts can support different writing systems, and each system can
     // * use a different baseline.
     // * The character argument determines the writing system to use. Clients
     // * should not assume all characters use the same baseline.
     // *
     // * @param c a character used to identify the writing system
     // * @return the baseline appropriate for the specified character.
     // * @see LineMetrics#getBaselineOffsets
     // * @see #ROMAN_BASELINE
     // * @see #CENTER_BASELINE
     // * @see #HANGING_BASELINE
     // * @since 1.2
     // */
    // public byte getBaselineFor(char c) { }

    /** 
     * Returns a map of font attributes available in this
     * Font.  Attributes include things like ligatures and
     * glyph substitution.
     * @return the attributes map of this Font.
     */
    public Map getAttributes() { return null; }

// PBP/PP
// [6187222]

    /** 
     * Returns the keys of all the attributes supported by this 
     * Font.  
     * @return an array containing the keys of all the attributes
     *		supported by this Font.
     * @since 1.2
     */
    public Attribute[] getAvailableAttributes() {
      return null;
    }

    // /** 
     // * Creates a new Font object by replicating this
     // * Font object and applying a new style and size.
     // * @param style the style for the new Font
     // * @param size the size for the new Font
     // * @return a new Font object.
     // * @since 1.2
     // */
    // public Font deriveFont(int style, float size) { }
// 
    // /** 
     // * Creates a new Font object by replicating this
     // * Font object and applying a new style and transform.
     // * @param style the style for the new Font
     // * @param trans the AffineTransform associated with the
     // * new Font
     // * @return a new Font object.
     // * @throws IllegalArgumentException if trans is
     // *         null
     // * @since 1.2
     // */
    // public Font deriveFont(int style, AffineTransform trans) { }
// 
    // /** 
     // * Creates a new Font object by replicating the current
     // * Font object and applying a new size to it.
     // * @param size the size for the new Font.
     // * @return a new Font object.
     // * @since 1.2
     // */
    // public Font deriveFont(float size) { }
// 
    // /** 
     // * Creates a new Font object by replicating the current
     // * Font object and applying a new transform to it.
     // * @param trans the AffineTransform associated with the
     // * new Font
     // * @return a new Font object.
     // * @throws IllegalArgumentException if trans is 
     // *         null
     // * @since 1.2
     // */
    // public Font deriveFont(AffineTransform trans) { }
// 
    // /** 
     // * Creates a new Font object by replicating the current
     // * Font object and applying a new style to it.
     // * @param style the style for the new Font
     // * @return a new Font object.
     // * @since 1.2
     // */
    // public Font deriveFont(int style) { }
// 
    // /** 
     // * Creates a new Font object by replicating the current
     // * Font object and applying a new set of font attributes
     // * to it.
     // * @param attributes a map of attributes enabled for the new 
     // * Font
     // * @return a new Font object.
     // * @since 1.2
     // */
    // public Font deriveFont(Map attributes) { }
// 
    // /** 
     // * Checks if this Font has a glyph for the specified
     // * character.
     // * @param c a unicode character code
     // * @return true if this Font can display the
     // *		character; false otherwise.
     // * @since 1.2
     // */
    // public boolean canDisplay(char c) { }
// 
    // /** 
     // * Indicates whether or not this Font can display a
     // * specified String.  For strings with Unicode encoding,
     // * it is important to know if a particular font can display the
     // * string. This method returns an offset into the String 
     // * str which is the first character this 
     // * Font cannot display without using the missing glyph
     // * code. If the Font can display all characters, -1 is
     // * returned.
     // * @param str a String object
     // * @return an offset into str that points
     // *		to the first character in str that this
     // *		Font cannot display; or -1 if
     // *		this Font can display all characters in
     // *		str.
     // * @since 1.2
     // */
    // public int canDisplayUpTo(String str) { }
// 
    // /** 
     // * Indicates whether or not this Font can display
     // * the characters in the specified text 
     // * starting at start and ending at 
     // * limit.  This method is a convenience overload.
     // * @param text the specified array of characters
     // * @param start the specified starting offset into the specified array
     // *		of characters
     // * @param limit the specified ending offset into the specified
     // *		array of characters
     // * @return an offset into text that points
     // *		to the first character in text that this
     // *		Font cannot display; or -1 if
     // *		this Font can display all characters in
     // *		text.
     // * @since 1.2
     // */
    // public int canDisplayUpTo(char[] text, int start, int limit) { }
// 
    // /** 
     // * Indicates whether or not this Font can display
     // * the specified String.  For strings with Unicode
     // * encoding, it is important to know if a particular font can display
     // * the string. This method returns an offset
     // * into the String str which is the first
     // * character this Font cannot display without using the
     // * missing glyph code . If this Font can display all
     // * characters, -1 is returned.
     // * @param iter a {@link CharacterIterator} object
     // * @param start the specified starting offset into the specified array
     // *          of characters
     // * @param limit the specified ending offset into the specified
     // *          array of characters
     // * @return an offset into the String object that can be
     // * 		displayed by this Font.
     // * @since 1.2
     // */
    // public int canDisplayUpTo(CharacterIterator iter, int start, int limit) { }
// 
    // /** 
     // * Returns the italic angle of this Font.  The italic angle
     // * is the inverse slope of the caret which best matches the posture of this
     // * Font.
     // * @see TextAttribute#POSTURE
     // * @return the angle of the ITALIC style of this Font.
     // */
    // public float getItalicAngle() { }
// 
    // /** 
     // * Checks whether or not this Font has uniform 
     // * line metrics.  A logical Font might be a
     // * composite font, which means that it is composed of different
     // * physical fonts to cover different code ranges.  Each of these
     // * fonts might have different LineMetrics.  If the
     // * logical Font is a single
     // * font then the metrics would be uniform. 
     // * @return true if this Font has
     // * uniform line metrics; false otherwise.
     // */
    // public boolean hasUniformLineMetrics() { }
// 
    // /** 
     // * Returns a {@link LineMetrics} object created with the specified
     // * String and {@link FontRenderContext}.
     // * @param str the specified String
     // * @param frc the specified FontRenderContext
     // * @return a LineMetrics object created with the
     // * specified String and {@link FontRenderContext}.
     // */
    // public LineMetrics getLineMetrics(String str, FontRenderContext frc) { }
// 
    // /** 
     // * Returns a LineMetrics object created with the
     // * specified arguments.
     // * @param str the specified String
     // * @param beginIndex the initial offset of str 
     // * @param limit the end offset of str
     // * @param frc the specified FontRenderContext
     // * @return a LineMetrics object created with the
     // * specified arguments.
     // */
    // public LineMetrics getLineMetrics(String str, int beginIndex, int limit,
        // FontRenderContext frc)
    // { }
// 
    // /** 
     // * Returns a LineMetrics object created with the
     // * specified arguments.
     // * @param chars an array of characters
     // * @param beginIndex the initial offset of chars
     // * @param limit the end offset of chars
     // * @param frc the specified FontRenderContext
     // * @return a LineMetrics object created with the
     // * specified arguments.
     // */
    // public LineMetrics getLineMetrics(char[] chars, int beginIndex, int limit,
        // FontRenderContext frc)
    // { }
// 
    // /** 
     // * Returns a LineMetrics object created with the
     // * specified arguments.
     // * @param ci the specified CharacterIterator
     // * @param beginIndex the initial offset in ci
     // * @param limit the end offset of ci
     // * @param frc the specified FontRenderContext
     // * @return a LineMetrics object created with the
     // * specified arguments.
     // */
    // public LineMetrics getLineMetrics(CharacterIterator ci, int beginIndex, int
        // limit, FontRenderContext frc)
    // { }
// 
    // /** 
     // * Returns the logical bounds of the specified String in
     // * the specified FontRenderContext.  The logical bounds
     // * contains the origin, ascent, advance, and height, which includes 
     // * the leading.  The logical bounds does not always enclose all the
     // * text.  For example, in some languages and in some fonts, accent
     // * marks can be positioned above the ascent or below the descent.
     // * To obtain a visual bounding box, which encloses all the text,
     // * use the {@link TextLayout#getBounds() getBounds} method of
     // * TextLayout.
     // * @param str the specified String
     // * @param frc the specified FontRenderContext
     // * @return a {@link Rectangle2D} that is the bounding box of the
     // * specified String in the specified
     // * FontRenderContext.
     // * @see FontRenderContext
     // * @see Font#createGlyphVector
     // * @since 1.2
     // */
    // public Rectangle2D getStringBounds(String str, FontRenderContext frc) { }
// 
    // /** 
     // * Returns the logical bounds of the specified String in
     // * the specified FontRenderContext.  The logical bounds
     // * contains the origin, ascent, advance, and height, which includes   
     // * the leading.  The logical bounds does not always enclose all the
     // * text.  For example, in some languages and in some fonts, accent
     // * marks can be positioned above the ascent or below the descent.
     // * To obtain a visual bounding box, which encloses all the text,
     // * use the {@link TextLayout#getBounds() getBounds} method of 
     // * TextLayout.
     // * @param str the specified String
     // * @param beginIndex the initial offset of str
     // * @param limit the end offset of str
     // * @param frc the specified FontRenderContext   
     // * @return a Rectangle2D that is the bounding box of the
     // * specified String in the specified
     // * FontRenderContext.
     // * @throws IndexOutOfBoundsException if beginIndex is 
     // *         less than zero, or limit is greater than the
     // *         length of str, or beginIndex
     // *         is greater than limit.
     // * @see FontRenderContext
     // * @see Font#createGlyphVector
     // * @since 1.2
     // */
    // public Rectangle2D getStringBounds(String str, int beginIndex, int limit,
        // FontRenderContext frc)
    // { }
// 
    // /** 
     // * Returns the logical bounds of the specified array of characters
     // * in the specified FontRenderContext.  The logical
     // * bounds contains the origin, ascent, advance, and height, which
     // * includes the leading.  The logical bounds does not always enclose
     // * all the text.  For example, in some languages and in some fonts,
     // * accent marks can be positioned above the ascent or below the
     // * descent.  To obtain a visual bounding box, which encloses all the
     // * text, use the {@link TextLayout#getBounds() getBounds} method of 
     // * TextLayout.
     // * @param chars an array of characters
     // * @param beginIndex the initial offset in the array of
     // * characters
     // * @param limit the end offset in the array of characters
     // * @param frc the specified FontRenderContext   
     // * @return a Rectangle2D that is the bounding box of the
     // * specified array of characters in the specified
     // * FontRenderContext.
     // * @throws IndexOutOfBoundsException if beginIndex is 
     // *         less than zero, or limit is greater than the
     // *         length of chars, or beginIndex
     // *         is greater than limit.
     // * @see FontRenderContext
     // * @see Font#createGlyphVector
     // * @since 1.2
     // */
    // public Rectangle2D getStringBounds(char[] chars, int beginIndex, int limit,
        // FontRenderContext frc)
    // { }
// 
    // /** 
     // * Returns the logical bounds of the characters indexed in the
     // * specified {@link CharacterIterator} in the
     // * specified FontRenderContext.  The logical bounds
     // * contains the origin, ascent, advance, and height, which includes   
     // * the leading.  The logical bounds does not always enclose all the
     // * text.  For example, in some languages and in some fonts, accent
     // * marks can be positioned above the ascent or below the descent. 
     // * To obtain a visual bounding box, which encloses all the text, 
     // * use the {@link TextLayout#getBounds() getBounds} method of 
     // * TextLayout.
     // * @param ci the specified CharacterIterator
     // * @param beginIndex the initial offset in ci
     // * @param limit the end offset in ci
     // * @param frc the specified FontRenderContext   
     // * @return a Rectangle2D that is the bounding box of the
     // * characters indexed in the specified CharacterIterator
     // * in the specified FontRenderContext.
     // * @see FontRenderContext
     // * @see Font#createGlyphVector
     // * @since 1.2
     // * @throws IndexOutOfBoundsException if beginIndex is
     // *         less than the start index of ci, or 
     // *         limit is greater than the end index of 
     // *         ci, or beginIndex is greater 
     // *         than limit
     // */
    // public Rectangle2D getStringBounds(CharacterIterator ci, int beginIndex, int
        // limit, FontRenderContext frc)
    // { }
// 
    // /** 
     // * Returns the bounds for the character with the maximum
     // * bounds as defined in the specified FontRenderContext.
     // * @param frc the specified FontRenderContext
     // * @return a Rectangle2D that is the bounding box
     // * for the character with the maximum bounds.
     // */
    // public Rectangle2D getMaxCharBounds(FontRenderContext frc) { }
// 
    // /** 
     // * Creates a {@link java.awt.font.GlyphVector GlyphVector} by 
     // * mapping characters to glyphs one-to-one based on the 
     // * Unicode cmap in this Font.  This method does no other
     // * processing besides the mapping of glyphs to characters.  This
     // * means that this method is not useful for some scripts, such
     // * as Arabic, Hebrew, Thai, and Indic, that require reordering, 
     // * shaping, or ligature substitution.
     // * @param frc the specified FontRenderContext
     // * @param str the specified String
     // * @return a new GlyphVector created with the 
     // * specified String and the specified
     // * FontRenderContext.
     // */
    // public GlyphVector createGlyphVector(FontRenderContext frc, String str) { }
// 
    // /** 
     // * Creates a {@link java.awt.font.GlyphVector GlyphVector} by
     // * mapping characters to glyphs one-to-one based on the
     // * Unicode cmap in this Font.  This method does no other
     // * processing besides the mapping of glyphs to characters.  This
     // * means that this method is not useful for some scripts, such
     // * as Arabic, Hebrew, Thai, and Indic, that require reordering,   
     // * shaping, or ligature substitution. 
     // * @param frc the specified FontRenderContext
     // * @param chars the specified array of characters
     // * @return a new GlyphVector created with the
     // * specified array of characters and the specified
     // * FontRenderContext.
     // */
    // public GlyphVector createGlyphVector(FontRenderContext frc, char[] chars)
    // { }
// 
    // /** 
     // * Creates a {@link java.awt.font.GlyphVector GlyphVector} by
     // * mapping the specified characters to glyphs one-to-one based on the
     // * Unicode cmap in this Font.  This method does no other
     // * processing besides the mapping of glyphs to characters.  This
     // * means that this method is not useful for some scripts, such
     // * as Arabic, Hebrew, Thai, and Indic, that require reordering,   
     // * shaping, or ligature substitution. 
     // * @param frc the specified FontRenderContext
     // * @param ci the specified CharacterIterator
     // * @return a new GlyphVector created with the
     // * specified CharacterIterator and the specified
     // * FontRenderContext.
     // */
    // public GlyphVector createGlyphVector(FontRenderContext frc,
        // CharacterIterator ci)
    // { }
// 
    // /** 
     // * Creates a {@link java.awt.font.GlyphVector GlyphVector} by
     // * mapping characters to glyphs one-to-one based on the
     // * Unicode cmap in this Font.  This method does no other
     // * processing besides the mapping of glyphs to characters.  This
     // * means that this method is not useful for some scripts, such
     // * as Arabic, Hebrew, Thai, and Indic, that require reordering,   
     // * shaping, or ligature substitution.
     // * @param frc the specified FontRenderContext
     // * @param glyphCodes the specified integer array
     // * @return a new GlyphVector created with the
     // * specified integer array and the specified
     // * FontRenderContext.
     // */
    // public GlyphVector createGlyphVector(FontRenderContext frc, int[]
        // glyphCodes)
    // { }
// 
    // /** 
     // * Returns a new GlyphVector object, performing full
     // * layout of the text if possible.  Full layout is required for
     // * complex text, such as Arabic or Hindi.  Support for different
     // * scripts depends on the font and implementation.  
     // * 
Bidi, and should only be performed on text that
     // * has a uniform direction.  The direction is indicated in the
     // * flags parameter,by using LAYOUT_RIGHT_TO_LEFT to indicate a
     // * right-to-left (Arabic and Hebrew) run direction, or 
     // * LAYOUT_LEFT_TO_RIGHT to indicate a left-to-right (English) 
     // * run direction.
     // * 

     // * In addition, some operations, such as Arabic shaping, require 
     // * context, so that the characters at the start and limit can have 
     // * the proper shapes.  Sometimes the data in the buffer outside
     // * the provided range does not have valid data.  The values
     // * LAYOUT_NO_START_CONTEXT and LAYOUT_NO_LIMIT_CONTEXT can be
     // * added to the flags parameter to indicate that the text before
     // * start, or after limit, respectively, should not be examined
     // * for context.
     // * 

     // * All other values for the flags parameter are reserved.
     // * 
     // * @param frc the specified FontRenderContext
     // * @param text the text to layout
     // * @param start the start of the text to use for the GlyphVector
     // * @param limit the limit of the text to use for the GlyphVector
     // * @param flags control flags as described above
     // * @return a new GlyphVector representing the text between
     // * start and limit, with glyphs chosen and positioned so as to best represent 
     // * the text
     // * @throws ArrayIndexOutOfBoundsException if start or limit is 
     // * out of bounds
     // * @see java.text.Bidi
     // * @see #LAYOUT_LEFT_TO_RIGHT
     // * @see #LAYOUT_RIGHT_TO_LEFT
     // * @see #LAYOUT_NO_START_CONTEXT
     // * @see #LAYOUT_NO_LIMIT_CONTEXT
     // */
    // public GlyphVector layoutGlyphVector(FontRenderContext frc, char[] text, int
        // start, int limit, int flags)
    // { }
// 
    // /** 
     // * Disposes the native Font object.
     // */
    // protected void finalize() throws Throwable { }

    /** 
     * Reads the ObjectInputStream.
     * Unrecognized keys or values will be ignored.
     *
     * @param s the ObjectInputStream to read
     * @serial
     * @see #writeObject(java.io.ObjectOutputStream)
     */
    private void readObject(ObjectInputStream s)
        throws ClassNotFoundException, IOException
    { }

    /** 
     * Writes default serializable fields to a stream.
     *
     * @param s the ObjectOutputStream to write
     * @see AWTEventMulticaster#save(ObjectOutputStream, String, EventListener)
     * @see #readObject(java.io.ObjectInputStream)
     */
    private void writeObject(ObjectOutputStream s)
        throws ClassNotFoundException, IOException
    { }
}