Package com.itextpdf.text.pdf.fonts.cmaps

Class CMapToUnicode

java.lang.Object

com.itextpdf.text.pdf.fonts.cmaps.AbstractCMap

com.itextpdf.text.pdf.fonts.cmaps.CMapToUnicode

public class CMapToUnicode
extends AbstractCMap

This class represents a CMap file.

Since:

2.1.4

Author:

Ben Litchfield (ben@benlitchfield.com)

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
java.util.Map<java.lang.Integer,java.lang.Integer>	createDirectMapping()
java.util.Map<java.lang.Integer,java.lang.Integer>	createReverseMapping()
static CMapToUnicode	getIdentity()
boolean	hasOneByteMappings()	This will tell if this cmap has any one byte mappings.
boolean	hasTwoByteMappings()	This will tell if this cmap has any two byte mappings.
java.lang.String	lookup(byte[] code, int offset, int length)	This will perform a lookup into the map.

Methods inherited from class com.itextpdf.text.pdf.fonts.cmaps.AbstractCMap

decodeStringToByte, decodeStringToUnicode, getName, getOrdering, getRegistry, getSupplement

Methods inherited from class java.lang.Object

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

Constructor Detail

CMapToUnicode

public CMapToUnicode()

Creates a new instance of CMap.

Method Detail

hasOneByteMappings

public boolean hasOneByteMappings()

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

Returns:

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

hasTwoByteMappings

public boolean hasTwoByteMappings()

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

Returns:

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

lookup

public java.lang.String 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.

createReverseMapping

public java.util.Map<java.lang.Integer,java.lang.Integer> createReverseMapping()
                                                                        throws java.io.IOException

Throws:

java.io.IOException

createDirectMapping

public java.util.Map<java.lang.Integer,java.lang.Integer> createDirectMapping()
                                                                       throws java.io.IOException

Throws:

java.io.IOException

getIdentity

public static CMapToUnicode getIdentity()