org.extex.font.format.tfm
Class TfmCharInfoArray

java.lang.Object
  org.extex.font.format.tfm.TfmCharInfoArray

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

OfmCharInfoArray

public class TfmCharInfoArray
extends java.lang.Object
implements java.io.Serializable

Class for TFM char info.

Each character has one char_info_word.

Each char_info_word contains six fields packed into four bytes as follows.

byte	description
first	width_index (8 bits)
second	height_index (4 bits) times 16, plus depth_index (4 bits)
third	italic_index (6 bits) times 4, plus tag (2 bits)
fourth	remainder (8 bits)

Information from: The DVI Driver Standard, Level 0 The TUG DVI Driver Standards Committee

Version:

$Revision: 6376 $

Author:

Michael Niedermair

See Also:

Serialized Form

Field Summary

protected int

bc smallest character code in the font.

Constructor Summary

protected	TfmCharInfoArray() Creates a new object.
	TfmCharInfoArray(RandomAccessR rar, int cc) Create a new object.

Method Summary

void	createCharTable(TfmWidthArray widtha, TfmHeightArray heighta, TfmDepthArray deptha, TfmItalicArray italica, TfmExtenArray extena, int abc, TfmLigKern[] lk) Create the char table.
void	createLigKernMap() Create the ligature/kerning map.
int	getBc() Returns the bc.
TfmCharInfoWord[]	getCharinfoword() Returns the charinfoword.
TfmCharInfoWord	getCharInfoWord(int i) Returns the charinfoword for the character.
TfmDepthArray	getDepth() Returns the depth.
TfmHeightArray	getHeight() Returns the height.
TfmItalicArray	getItalic() Returns the italic.
TfmWidthArray	getWidth() Returns the width.
void	setEncodingTable(java.lang.String[] et) Set the encdoing table.
protected TfmFixWord	takeDimen(TfmFixWord[] table, int i, int pos) Gets referenced character dimension from apropriate table.

Methods inherited from class java.lang.Object

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

Field Detail

bc

protected int bc

smallest character code in the font.

Constructor Detail

TfmCharInfoArray

protected TfmCharInfoArray()

Creates a new object. Only for subclasses.

TfmCharInfoArray

public TfmCharInfoArray(RandomAccessR rar,
                        int cc)
                 throws java.io.IOException

Create a new object.

Parameters:

rar - the input

cc - number of character

Throws:

java.io.IOException - if an IO-error occurs.

Method Detail

createCharTable

public void createCharTable(TfmWidthArray widtha,
                            TfmHeightArray heighta,
                            TfmDepthArray deptha,
                            TfmItalicArray italica,
                            TfmExtenArray extena,
                            int abc,
                            TfmLigKern[] lk)

Create the char table.

Parameters:

widtha - the width table

heighta - the height table

deptha - the depth table

italica - the italic table

extena - the exten table

abc - the bc

lk - the ligKernTable

createLigKernMap

public void createLigKernMap()

Create the ligature/kerning map.

getBc

public int getBc()

Returns the bc.

Returns:

Returns the bc.

getCharinfoword

public TfmCharInfoWord[] getCharinfoword()

Returns the charinfoword.

Returns:

Returns the charinfoword.

getCharInfoWord

public TfmCharInfoWord getCharInfoWord(int i)

Returns the charinfoword for the character. If the position less then bc (first character in the font), null will be returned.

Parameters:

i - the position of the character

Returns:

Returns the charinfoword for the character.

getDepth

public TfmDepthArray getDepth()

Returns the depth.

Returns:

Returns the depth.

getHeight

public TfmHeightArray getHeight()

Returns the height.

Returns:

Returns the height.

getItalic

public TfmItalicArray getItalic()

Returns the italic.

Returns:

Returns the italic.

getWidth

public TfmWidthArray getWidth()

Returns the width.

Returns:

Returns the width.

setEncodingTable

public void setEncodingTable(java.lang.String[] et)

Set the encdoing table.

Parameters:

et - the encoding table

takeDimen

protected TfmFixWord takeDimen(TfmFixWord[] table,
                               int i,
                               int pos)

Gets referenced character dimension from apropriate table.

Parameters:

table - referenced table of dimensions.

i - referenced index to the dimension table.

pos - the position of character in charTable for error messages.

Returns:

Returns the FixWord