org.apache.fop.pdf

## Class PDFEncoding

- java.lang.Object
- - org.apache.fop.pdf.PDFObject
  - - org.apache.fop.pdf.PDFDictionary
    - - org.apache.fop.pdf.PDFEncoding

All Implemented Interfaces:
  PDFWritable

    public class PDFEncoding
    extends PDFDictionary

Class representing an /Encoding object. A small object expressing the base encoding name and the differences from the base encoding. The three base encodings are given by their name. Encodings are specified in section 5.5.5 of the PDF 1.4 spec.

### Nested Class Summary

Nested Classes
`class` `PDFEncoding.DifferencesBuilder` Builder class for constructing the Differences array.

### Field Summary

Fields
`static String` `MAC_EXPERT_ENCODING` the name for the Mac Export encoding scheme
`static String` `MAC_ROMAN_ENCODING` the name for the Mac Roman encoding scheme
`static String` `PDF_DOC_ENCODING` the name for the PDF document encoding scheme
`static String` `STANDARD_ENCODING` the name for the standard encoding scheme
`static String` `WIN_ANSI_ENCODING` the name for the WinAnsi encoding scheme

### Fields inherited from class org.apache.fop.pdf.PDFDictionary

`entries, order`

### Fields inherited from class org.apache.fop.pdf.PDFObject

`log`

### Constructor Summary

Constructors
Constructor and Description
`PDFEncoding(String basename)` Create a new /Encoding object.

### Method Summary

All Methods Static Methods Instance Methods Concrete Methods
`PDFEncoding.DifferencesBuilder` `createDifferencesBuilder()` Creates and returns a new DifferencesBuilder instance for constructing the Differences array.
`static boolean` `isPredefinedEncoding(String name)` Indicates whether a given encoding is one of the predefined encodings.
`void` `setDifferences(PDFArray differences)` Sets the Differences value.

### Methods inherited from class org.apache.fop.pdf.PDFDictionary

`containsKey, get, getChildren, getChildren, keySet, output, put, put, remove, writeDictionary`

### Methods inherited from class org.apache.fop.pdf.PDFObject

`contentEquals, encode, encodeBinaryToHexString, encodeString, encodeText, formatObject, getDocument, getDocumentSafely, getGeneration, getObjectID, getObjectNumber, getParent, hasObjectNumber, makeReference, outputInline, referencePDF, setDocument, setObjectNumber, setObjectNumber, setObjectNumber, setParent, supportsObjectStream, toPDF, toPDFString`

### Methods inherited from class java.lang.Object

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

### Field Detail

#### STANDARD_ENCODING

    public static final String STANDARD_ENCODING

the name for the standard encoding scheme

See Also:
  Constant Field Values

#### MAC_ROMAN_ENCODING

    public static final String MAC_ROMAN_ENCODING

the name for the Mac Roman encoding scheme

See Also:
  Constant Field Values

#### MAC_EXPERT_ENCODING

    public static final String MAC_EXPERT_ENCODING

the name for the Mac Export encoding scheme

See Also:
  Constant Field Values

#### WIN_ANSI_ENCODING

    public static final String WIN_ANSI_ENCODING

the name for the WinAnsi encoding scheme

See Also:
  Constant Field Values

#### PDF_DOC_ENCODING

    public static final String PDF_DOC_ENCODING

the name for the PDF document encoding scheme

See Also:
  Constant Field Values

### Constructor Detail

#### PDFEncoding

    public PDFEncoding(String basename)

Create a new /Encoding object.

Parameters:
  `basename` - the name of the character encoding schema

### Method Detail

#### isPredefinedEncoding

    public static boolean isPredefinedEncoding(String name)

Indicates whether a given encoding is one of the predefined encodings.

Parameters:
  `name` - the encoding name (ex. "StandardEncoding")
Returns:
  true if it is a predefined encoding

#### createDifferencesBuilder

    public PDFEncoding.DifferencesBuilder createDifferencesBuilder()

Creates and returns a new DifferencesBuilder instance for constructing the Differences array.

Returns:
  the DifferencesBuilder

#### setDifferences

    public void setDifferences(PDFArray differences)

Sets the Differences value.

Parameters:
  `differences` - the differences.