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

Field Summary

Fields

Modifier and Type	Field	Description
private Map<Integer,String>	doubleByteMappings
private Map<Integer,String>	singleByteMappings

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
(package private) void	addChar(int cid, String uni)
(package private) void	addChar(PdfString mark, PdfObject code)
private int	convertToInt(String s)
Map<Integer,Integer>	createDirectMapping()
Map<Integer,Integer>	createReverseMapping()
private String	createStringFromBytes(byte[] bytes)
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.
String	lookup(byte[] code, int offset, int length)	This will perform a lookup into the map.

Methods inherited from class AbstractCMap

addRange, decodeStringToByte, decodeStringToUnicode, getName, getOrdering, getRegistry, getSupplement, setName, setOrdering, setRegistry, setSupplement

Methods inherited from class Object

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

Field Details

singleByteMappings

private Map<Integer,String> singleByteMappings

doubleByteMappings

private Map<Integer,String> doubleByteMappings

Constructor Details

CMapToUnicode

public CMapToUnicode()

Creates a new instance of CMap.

Method Details

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 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 Map<Integer,Integer> createReverseMapping()
                                          throws IOException

Throws:

IOException

createDirectMapping

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

Throws:

IOException

convertToInt

private int convertToInt(String s)
                  throws IOException

Throws:

IOException

addChar

void addChar(int cid,
 String uni)

addChar

void addChar(PdfString mark,
 PdfObject code)

Specified by:

addChar in class AbstractCMap

createStringFromBytes

private String createStringFromBytes(byte[] bytes)
                              throws IOException

Throws:

IOException

getIdentity

public static CMapToUnicode getIdentity()