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## org.apache.fop.fonts
Class Typeface

    java.lang.Object
      org.apache.fop.fonts.Typeface

All Implemented Interfaces:
  FontMetrics

Direct Known Subclasses:
  AFPFont, Base14Font, CustomFont, CustomFontMetricsMapper, LazyFont, SystemFontMetricsMapper

    public abstract class Typeface

extends java.lang.Object
implements FontMetrics

Base class for font classes

Field Summary
`protected FontEventListener` | `eventListener` An optional event listener that receives events such as missing glyphs etc.
`static char` | `NOT_FOUND` Code point that is used if no code point for a specific character has been found.

Constructor Summary
`Typeface()`

Method Summary
`abstract java.lang.String` | `getEncodingName()` Get the encoding of the font.
`int` | `getMaxAscent(int size)` Returns the maximum ascent of the font described by this FontMetrics object.
`boolean` | `hadMappingOperations()` Indicates whether this font had to do any character mapping operations.
`abstract boolean` | `hasChar(char c)` Determines whether this font contains a particular character/glyph.
`boolean` | `isMultiByte()` Determines whether the font is a multibyte font.
`abstract char` | `mapChar(char c)` Map a Unicode character to a code point in the font.
`protected void` | `notifyMapOperation()` Used for keeping track of character mapping operations in order to determine if a font was used at all or not.
`void` | `setEventListener(FontEventListener listener)` Sets the font event listener that can be used to receive events about particular events in this class.
`java.lang.String` | `toString()`
`protected void` | `warnMissingGlyph(char c)` Provide proper warning if a glyph is not available.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Methods inherited from interface org.apache.fop.fonts.FontMetrics
`getAscender, getCapHeight, getDescender, getEmbedFontName, getFamilyNames, getFontName, getFontType, getFullName, getKerningInfo, getWidth, getWidths, getXHeight, hasKerningInfo`

Field Detail

### NOT_FOUND

    public static final char NOT_FOUND

  Code point that is used if no code point for a specific character has been found.

  See Also:
    Constant Field Values

### eventListener

    protected FontEventListener eventListener

  An optional event listener that receives events such as missing glyphs etc.

Constructor Detail

### Typeface

    public Typeface()

Method Detail

### getEncodingName

    public abstract java.lang.String getEncodingName()

  Get the encoding of the font.

  Returns:
    the encoding

### mapChar

    public abstract char mapChar(char c)

  Map a Unicode character to a code point in the font.

  Parameters:
    `c` - character to map
  Returns:
    the mapped character

### notifyMapOperation

    protected void notifyMapOperation()

  Used for keeping track of character mapping operations in order to determine if a font was used at all or not.

### hadMappingOperations

    public boolean hadMappingOperations()

  Indicates whether this font had to do any character mapping operations. If that was not the case, it's an indication that the font has never actually been used.

  Returns:
    true if the font had to do any character mapping operations

### hasChar

    public abstract boolean hasChar(char c)

  Determines whether this font contains a particular character/glyph.

  Parameters:
    `c` - character to check
  Returns:
    True if the character is supported, Falso otherwise

### isMultiByte

    public boolean isMultiByte()

  Determines whether the font is a multibyte font.

  Returns:
    True if it is multibyte

### getMaxAscent

    public int getMaxAscent(int size)

  Returns the maximum ascent of the font described by this FontMetrics object. Note: This is not the same as getAscender().

  Specified by:
    `getMaxAscent` in interface `FontMetrics`
  Parameters:
    `size` - font size
  Returns:
    ascent in milliponts

### setEventListener

    public void setEventListener(FontEventListener listener)

  Sets the font event listener that can be used to receive events about particular events in this class.

  Parameters:
    `listener` - the font event listener

### warnMissingGlyph

    protected void warnMissingGlyph(char c)

  Provide proper warning if a glyph is not available.

  Parameters:
    `c` - the character which is missing.

### toString

    public java.lang.String toString()

  Overrides:
    `toString` in class `java.lang.Object`

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