de.dante.extex.font.type.other
Class NullFont

java.lang.Object
  de.dante.extex.font.type.other.NullFont

All Implemented Interfaces:

Font, Fount, java.io.Serializable

Direct Known Subclasses:

FontImpl

public class NullFont

extends java.lang.Object

implements Font, java.io.Serializable

This class implements a dummy font which does not contain any characters.

Version:

$Revision: 1.19 $

Author:

Michael Niedermair, Gerd Neugebauer

See Also:

Serialized Form

serialVersionUID

protected static final long serialVersionUID

The field serialVersionUID contains the version number for serialization.

See Also:

Constant Field Values

NullFont

public NullFont()

Creates a new object.

getActualSize

public FixedDimen getActualSize()

Description copied from interface: Fount

Returns the actual size.

Specified by:

getActualSize in interface Fount

Returns:

Returns the actual size.

See Also:

Fount.getActualSize()

getBoundingBox

public BoundingBox getBoundingBox()

Description copied from interface: Fount

Returns the BoundingBox.

Specified by:

getBoundingBox in interface Fount

Returns:

the BoundingBox, or null, if it does not exists

See Also:

Fount.getBoundingBox()

getCheckSum

public int getCheckSum()

Description copied from interface: Fount

Returns the check sum.

Specified by:

getCheckSum in interface Fount

Returns:

the check sum

See Also:

Fount.getCheckSum()

getDepth

public FixedGlue getDepth(UnicodeChar uc)

Description copied from interface: Font

Returns the depth of the char.

Specified by:

getDepth in interface Font

Parameters:

uc - the Unicode char

Returns:

the depth of the char

See Also:

Font.getDepth( de.dante.util.UnicodeChar)

getDesignSize

public FixedDimen getDesignSize()

Description copied from interface: Fount

Returns the design size.

Specified by:

getDesignSize in interface Fount

Returns:

the design size.

See Also:

Fount.getDesignSize()

getEfcode

public long getEfcode(UnicodeChar uc)

Description copied from interface: Font

Getter for the ef code.

Specified by:

getEfcode in interface Font

Parameters:

uc - the character

Returns:

the ef code

See Also:

de.dante.extex.interpreter.type.font.Font#getEfcode()

getEm

public FixedDimen getEm()

Description copied from interface: Fount

Return the em size of the font.

Specified by:

getEm in interface Fount

Returns:

em-size

See Also:

Fount.getEm()

getEx

public FixedDimen getEx()

Description copied from interface: Fount

Return the ex size of the font.

Specified by:

getEx in interface Fount

Returns:

ex-size

See Also:

Fount.getEx()

getFontByteArray

public FontByteArray getFontByteArray()

Description copied from interface: Fount

Returns the byte array for the external file e.g. cmr12.pfb.

Specified by:

getFontByteArray in interface Fount

Returns:

Returns the byte array for the external file e.g. cmr12.pfb

See Also:

Fount.getFontByteArray()

getFontDimen

public FixedDimen getFontDimen(java.lang.String key)

Description copied from interface: Fount

Return font dimen size with a key.

Specified by:

getFontDimen in interface Fount

Parameters:

key - the key

Returns:

the value for the key

See Also:

Fount.getFontDimen( java.lang.String)

getFontKey

public FountKey getFontKey()

Description copied from interface: Fount

Returns the key for the font.

Specified by:

getFontKey in interface Fount

Returns:

Returns the key for the font.

See Also:

Fount.getFontKey()

getFontName

public java.lang.String getFontName()

Description copied from interface: Fount

Return the font name.

Specified by:

getFontName in interface Fount

Returns:

the font name

See Also:

Fount.getFontName()

getGlyph

public Glyph getGlyph(UnicodeChar c)

Description copied from interface: Font

Return the Glyph of a UnicodeChar, or null, if the character is not defined.

Specified by:

getGlyph in interface Font

Parameters:

c - the Unicode char

Returns:

the glyph

See Also:

Font.getGlyph( de.dante.util.UnicodeChar)

getHeight

public FixedGlue getHeight(UnicodeChar uc)

Description copied from interface: Font

Returns the height of the char.

Specified by:

getHeight in interface Font

Parameters:

uc - the Unicode char

Returns:

the height of the char

See Also:

Font.getHeight( de.dante.util.UnicodeChar)

getHyphenChar

public UnicodeChar getHyphenChar()

Description copied from interface: Font

Return the hyphenation character.

Specified by:

getHyphenChar in interface Font

Returns:

the hyphenation character

See Also:

Font.getHyphenChar()

getItalicCorrection

public FixedDimen getItalicCorrection(UnicodeChar uc)

Description copied from interface: Font

Returns the italic correction of the char.

Specified by:

getItalicCorrection in interface Font

Parameters:

uc - the Unicode char

Returns:

Returns the italic correction of the char

See Also:

Font.getItalicCorrection( de.dante.util.UnicodeChar)

getKerning

public FixedDimen getKerning(UnicodeChar uc1,
                             UnicodeChar uc2)

Description copied from interface: Font

Returns the kerning between two chars.

Specified by:

getKerning in interface Font

Parameters:

uc1 - the Unicode char (first one)

uc2 - the Unicode char (second one)

Returns:

the kerning between two chars

See Also:

Font.getKerning( de.dante.util.UnicodeChar, de.dante.util.UnicodeChar)

getLetterSpacing

public FixedGlue getLetterSpacing()

Description copied from interface: Fount

Return the letter spacing

Specified by:

getLetterSpacing in interface Fount

Returns:

the letter spacing

See Also:

Fount.getLetterSpacing()

getLigature

public UnicodeChar getLigature(UnicodeChar uc1,
                               UnicodeChar uc2)

Description copied from interface: Font

Returns the ligature for two chars.

Specified by:

getLigature in interface Font

Parameters:

uc1 - the Unicode char (first one)

uc2 - the Unicode char (second one)

Returns:

Returns the ligature for two chars

See Also:

Font.getLigature( de.dante.util.UnicodeChar, de.dante.util.UnicodeChar)

getProperty

public java.lang.String getProperty(java.lang.String key)

Description copied from interface: Fount

Return the font-property

Specified by:

getProperty in interface Fount

Parameters:

key - the key

Returns:

the value for the key

See Also:

Fount.getProperty( java.lang.String)

getSkewChar

public UnicodeChar getSkewChar()

Description copied from interface: Font

Return the skew character

Specified by:

getSkewChar in interface Font

Returns:

the skew character

See Also:

Font.getSkewChar()

getSpace

public FixedGlue getSpace()

Description copied from interface: Fount

Return the width of space character.

Specified by:

getSpace in interface Fount

Returns:

the width of the space character

See Also:

Fount.getSpace()

getWidth

public FixedGlue getWidth(UnicodeChar uc)

Description copied from interface: Font

Returns the width of the char.

Specified by:

getWidth in interface Font

Parameters:

uc - the Unicode char

Returns:

the width of the char

See Also:

Font.getWidth( de.dante.util.UnicodeChar)

hasGlyph

public boolean hasGlyph(UnicodeChar uc)

Description copied from interface: Font

Determine whether the glyph for a given character is present in this font.

Specified by:

hasGlyph in interface Font

Parameters:

uc - the character

Returns:

true iff the glyph is present

See Also:

Font.hasGlyph( de.dante.util.UnicodeChar)

isVirtualFont

public boolean isVirtualFont()

See Also:

de.dante.extex.font.type.Fount#isVirtualFont()

setEfcode

public void setEfcode(UnicodeChar uc,
                      long code)

Description copied from interface: Font

Setter for the ef code. The ef code influences the stretchability of characters. It has a positive value. 1000 means "normal" stretchability.

Specified by:

setEfcode in interface Font

Parameters:

uc - the character

code - the associated code

See Also:

Font.setEfcode( de.dante.util.UnicodeChar, long)

setFontDimen

public void setFontDimen(java.lang.String key,
                         Dimen value)

Description copied from interface: Font

Setter for the font dimen register.

Specified by:

setFontDimen in interface Font

Parameters:

key - the key

value - the value for the key

See Also:

Font.setFontDimen( java.lang.String, de.dante.extex.interpreter.type.dimen.Dimen)

setHyphenChar

public void setHyphenChar(UnicodeChar ahyphen)

Description copied from interface: Font

Set the char for hyphenation.

Specified by:

setHyphenChar in interface Font

Parameters:

ahyphen - the char to set

See Also:

Font.setHyphenChar( de.dante.util.UnicodeChar)

setSkewChar

public void setSkewChar(UnicodeChar askew)

Description copied from interface: Font

Set the skew character.

Specified by:

setSkewChar in interface Font

Parameters:

askew - the new skew character

See Also:

Font.setSkewChar( de.dante.util.UnicodeChar)