com.itextpdf.io.font.cmap

Class CMapToUnicode

java.lang.Object

com.itextpdf.io.font.cmap.AbstractCMap

com.itextpdf.io.font.cmap.CMapToUnicode

All Implemented Interfaces:

Serializable

public class CMapToUnicode
extends AbstractCMap

This class represents a CMap file.

Author:

Ben Litchfield (ben@benlitchfield.com)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static CMapToUnicode	EmptyCMapToUnicodeMap

Constructor Summary

Constructors

Constructor and Description
CMapToUnicode() Creates a new instance of CMap.

Method Summary

Modifier and Type	Method and Description
IntHashtable	createDirectMapping()
Map<Integer,Integer>	createReverseMapping()
Set<Integer>	getCodes()
static CMapToUnicode	getIdentity()
boolean	hasByteMappings() This will tell if this cmap has any two byte mappings.
char[]	lookup(byte[] code)
char[]	lookup(byte[] code, int offset, int length) This will perform a lookup into the map.
char[]	lookup(int code)

Methods inherited from class com.itextpdf.io.font.cmap.AbstractCMap

decodeStringToByte, getName, getOrdering, getRegistry, getSupplement, toUnicodeString

Methods inherited from class java.lang.Object

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

Field Detail

EmptyCMapToUnicodeMap

public static CMapToUnicode EmptyCMapToUnicodeMap

Constructor Detail

CMapToUnicode

public CMapToUnicode()

Creates a new instance of CMap.

Method Detail

getIdentity

public static CMapToUnicode getIdentity()

hasByteMappings

public boolean hasByteMappings()

This will tell if this cmap has any two byte mappings.

Returns:

true If there are any two byte mappings, false otherwise.

lookup

public char[] lookup(byte[] code,
                     int offset,
                     int length)

This will perform a lookup into the map.

Parameters:

code - The code used to lookup.

offset - The offset into the byte array.

length - The length of the data we are getting.

Returns:

The string that matches the lookup.

lookup

public char[] lookup(byte[] code)

lookup

public char[] lookup(int code)

getCodes

public Set<Integer> getCodes()

createDirectMapping

public IntHashtable createDirectMapping()

createReverseMapping

public Map<Integer,Integer> createReverseMapping()
                                          throws IOException

Throws:

IOException