fop 2.2

org.apache.fop.afp.fonts
Class AbstractOutlineFont

java.lang.Object
  extended by org.apache.fop.fonts.Typeface
      extended by org.apache.fop.afp.fonts.AFPFont
          extended by org.apache.fop.afp.fonts.AbstractOutlineFont
All Implemented Interfaces:
FontMetrics
Direct Known Subclasses:
DoubleByteFont, OutlineFont

public abstract class AbstractOutlineFont
extends AFPFont

A font defined as a set of lines and curves as opposed to a bitmap font. An outline font can be scaled to any size and otherwise transformed more easily than a bitmap font, and with more attractive results.


Field Summary
protected  CharacterSet charSet
          The character set for this font
 
Fields inherited from class org.apache.fop.afp.fonts.AFPFont
name
 
Fields inherited from class org.apache.fop.fonts.Typeface
eventListener, NOT_FOUND
 
Constructor Summary
AbstractOutlineFont(java.lang.String name, boolean embeddable, CharacterSet charSet, AFPEventProducer eventProducer)
          Constructor for an outline font.
 
Method Summary
 int getAscender(int size)
          The ascender is the part of a lowercase letter that extends above the "x-height" (the height of the letter "x"), such as "d", "t", or "h".
 int getCapHeight(int size)
          Obtains the height of capital letters for the specified point size.
 CharacterSet getCharacterSet()
          Get the character set metrics.
 CharacterSet getCharacterSet(int size)
          Get the character set metrics.
 int getDescender(int size)
          The descender is the part of a lowercase letter that extends below the base line, such as "g", "j", or "p".
 java.lang.String getEncodingName()
          Get the encoding of the font.
 int getUnderlinePosition(int size)
          Returns the distance from the baseline to the center of the underline (negative value indicates below baseline).
 int getUnderlineThickness(int size)
          Returns the thickness of the underline.
 int getXHeight(int size)
          The "x-height" (the height of the letter "x").
 boolean hasChar(char c)
          Determines whether this font contains a particular character/glyph.
 char mapChar(char c)
          Map a Unicode character to a code point in the font.
 
Methods inherited from class org.apache.fop.afp.fonts.AFPFont
getBoundingBox, getEmbedFontName, getFamilyNames, getFontName, getFontType, getFontURI, getFullName, getKerningInfo, getStrikeoutPosition, getStrikeoutThickness, getWidths, hasKerningInfo, isEmbeddable, toString, toUnicodeCodepoint
 
Methods inherited from class org.apache.fop.fonts.Typeface
getMaxAscent, hadMappingOperations, hasFeature, isMultiByte, notifyMapOperation, setEventListener, warnMissingGlyph
 
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
getWidth
 

Field Detail

charSet

protected CharacterSet charSet
The character set for this font

Constructor Detail

AbstractOutlineFont

public AbstractOutlineFont(java.lang.String name,
                           boolean embeddable,
                           CharacterSet charSet,
                           AFPEventProducer eventProducer)
Constructor for an outline font.

Parameters:
name - the name of the font
embeddable - sets whether or not this font is to be embedded
charSet - the chracter set
eventProducer - The object to handle any events which occur from the object.
Method Detail

getCharacterSet

public CharacterSet getCharacterSet()
Get the character set metrics.

Returns:
the character set

getCharacterSet

public CharacterSet getCharacterSet(int size)
Get the character set metrics.

Specified by:
getCharacterSet in class AFPFont
Parameters:
size - ignored
Returns:
the character set

getAscender

public int getAscender(int size)
The ascender is the part of a lowercase letter that extends above the "x-height" (the height of the letter "x"), such as "d", "t", or "h". Also used to denote the part of the letter extending above the x-height.

Parameters:
size - the font size (in mpt)
Returns:
the ascender for the given size

getUnderlinePosition

public int getUnderlinePosition(int size)
Returns the distance from the baseline to the center of the underline (negative value indicates below baseline).

Parameters:
size - font size
Returns:
the position in 1/1000ths of the font size

getUnderlineThickness

public int getUnderlineThickness(int size)
Description copied from class: AFPFont
Returns the thickness of the underline.

Specified by:
getUnderlineThickness in interface FontMetrics
Overrides:
getUnderlineThickness in class AFPFont
Parameters:
size - font size
Returns:
the thickness in 1/1000ths of the font size

getCapHeight

public int getCapHeight(int size)
Obtains the height of capital letters for the specified point size.

Parameters:
size - the font size (in mpt)
Returns:
the cap height for the given size

getDescender

public int getDescender(int size)
The descender is the part of a lowercase letter that extends below the base line, such as "g", "j", or "p". Also used to denote the part of the letter extending below the base line.

Parameters:
size - the font size (in mpt)
Returns:
the descender for the given size

getXHeight

public int getXHeight(int size)
The "x-height" (the height of the letter "x").

Parameters:
size - the font size (in mpt)
Returns:
the x height for the given size

hasChar

public boolean hasChar(char c)
Determines whether this font contains a particular character/glyph.

Specified by:
hasChar in class Typeface
Parameters:
c - character to check
Returns:
True if the character is supported, Falso otherwise

mapChar

public char mapChar(char c)
Map a Unicode character to a code point in the font.

Specified by:
mapChar in class Typeface
Parameters:
c - character to map
Returns:
the mapped character

getEncodingName

public java.lang.String getEncodingName()
Get the encoding of the font.

Specified by:
getEncodingName in class Typeface
Returns:
the encoding

fop 2.2

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