org.apache.fop.fonts
Class Font

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

public class Font

extends java.lang.Object

This class holds font state information and provides access to the font metrics.

Field Summary

static int	BOLD Bold font weight
static FontTriplet	DEFAULT_FONT Default fallback key
static int	NORMAL Normal font weight

Constructor Summary

Font(java.lang.String key, FontTriplet triplet, FontMetrics met, int fontSize)
Main constructor

Method Summary

int	getAscender() Returns the font's ascender.
int	getCapHeight() Returns the font's CapHeight.
int	getCharWidth(char c) Helper method for getting the width of a unicode char from the current fontstate.
int	getDescender() Returns the font's Descender.
java.lang.String	getFontName() Returns the font's name.
int	getFontSize() Returns the font size
FontTriplet	getFontTriplet()
java.util.Map	getKerning() Returns the font's kerning table
int	getKernValue(char ch1, char ch2) Returns the amount of kerning between two characters.
int	getWidth(int charnum) Returns the width of a character
int	getWordWidth(java.lang.String word) Calculates the word width.
int	getXHeight() Returns the XHeight
boolean	hasChar(char c) Determines whether this font contains a particular character/glyph.
boolean	hasKerning()
char	mapChar(char c) Map a java character (unicode) to a font character.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_FONT

public static final FontTriplet DEFAULT_FONT

Default fallback key

NORMAL

public static final int NORMAL

Normal font weight

See Also:

Constant Field Values

BOLD

public static final int BOLD

Bold font weight

See Also:

Constant Field Values

Constructor Detail

Font

public Font(java.lang.String key,
            FontTriplet triplet,
            FontMetrics met,
            int fontSize)

Main constructor

Parameters:

key - key of the font

triplet - the font triplet that was used to lookup this font (may be null)

met - font metrics

fontSize - font size

Method Detail

getAscender

public int getAscender()

Returns the font's ascender.

Returns:

the ascender

getCapHeight

public int getCapHeight()

Returns the font's CapHeight.

Returns:

the capital height

getDescender

public int getDescender()

Returns the font's Descender.

Returns:

the descender

getFontName

public java.lang.String getFontName()

Returns the font's name.

Returns:

the font name

getFontTriplet

public FontTriplet getFontTriplet()

Returns:

the font triplet that selected this font

getFontSize

public int getFontSize()

Returns the font size

Returns:

the font size

getXHeight

public int getXHeight()

Returns the XHeight

Returns:

the XHeight

hasKerning

public boolean hasKerning()

Returns:

true if the font has kerning info

getKerning

public java.util.Map getKerning()

Returns the font's kerning table

Returns:

the kerning table

getKernValue

public int getKernValue(char ch1,
                        char ch2)

Returns the amount of kerning between two characters.

Parameters:

ch1 - first character

ch2 - second character

Returns:

the distance to adjust for kerning, 0 if there's no kerning

getWidth

public int getWidth(int charnum)

Returns the width of a character

Parameters:

charnum - character to look up

Returns:

width of the character

mapChar

public char mapChar(char c)

Map a java character (unicode) to a font character. Default uses CodePointMapping.

Parameters:

c - character to map

Returns:

the mapped character

hasChar

public 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

toString

public java.lang.String toString()

See Also:

Object.toString()

getCharWidth

public int getCharWidth(char c)

Helper method for getting the width of a unicode char from the current fontstate. This also performs some guessing on widths on various versions of space that might not exists in the font.

Parameters:

c - character to inspect

Returns:

the width of the character

getWordWidth

public int getWordWidth(java.lang.String word)

Calculates the word width.

Parameters:

word - text to get width for

Returns:

the width of the text