PDFCMap

java.lang.Object
- com.sun.pdfview.font.PDFCMap

```
public abstract class PDFCMap
extends java.lang.Object
```
A CMap maps from a character in a composite font to a font/glyph number pair in a CID font.

Field Summary

Fields
Modifier and Type Field Description

private static java.util.HashMap<java.lang.String,PDFCMap> cache
A cache of known CMaps by name

Constructor Summary

Constructors
Modifier Constructor Description

protected PDFCMap()
Creates a new instance of CMap

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`static PDFCMap`	`getCMap(PDFObject map)`	Get a CMap, given a PDF object containing one of the following: a string name of a known CMap a stream containing a CMap definition
`static PDFCMap`	`getCMap(java.lang.String mapName)`	Get a CMap, given a string name
`int`	`getFontID(char src)`	Get the font number assoicated with a given source character
`abstract char`	`map(char src)`	Map a given source character to a destination character
`protected static PDFCMap`	`parseCMap(PDFObject map)`	Parse a CMap from a CMap stream
`protected static void`	`populateCache()`	Populate the cache with well-known types

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - cache
```
private static java.util.HashMap<java.lang.String,PDFCMap> cache
```
    A cache of known CMaps by name
- Constructor Detail
  - PDFCMap
```
protected PDFCMap()
```
    Creates a new instance of CMap
- Method Detail
  - getCMap
```
public static PDFCMap getCMap(PDFObject map)
                       throws java.io.IOException
```
    Get a CMap, given a PDF object containing one of the following: a string name of a known CMap a stream containing a CMap definition
    
    Throws:
    
    java.io.IOException
  - getCMap
```
public static PDFCMap getCMap(java.lang.String mapName)
                       throws java.io.IOException
```
    Get a CMap, given a string name
    
    Throws:
    
    java.io.IOException
  - populateCache
```
protected static void populateCache()
```
    Populate the cache with well-known types
  - parseCMap
```
protected static PDFCMap parseCMap(PDFObject map)
                            throws java.io.IOException
```
    Parse a CMap from a CMap stream
    
    Throws:
    
    java.io.IOException
  - map
```
public abstract char map(char src)
```
    Map a given source character to a destination character
  - getFontID
```
public int getFontID(char src)
```
    Get the font number assoicated with a given source character