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PoDoFo::PdfDifferenceEncoding Class Reference

#include <PdfDifferenceEncoding.h>

Inheritance diagram for PoDoFo::PdfDifferenceEncoding:

PoDoFo::PdfEncoding PoDoFo::PdfElement List of all members.

Public Types

enum  EBaseEncoding { eBaseEncoding_Font, eBaseEncoding_WinAnsi, eBaseEncoding_MacRoman, eBaseEncoding_MacExpert }

Public Member Functions

 PdfDifferenceEncoding (const PdfEncodingDifference &rDifference, PdfDocument *pParent, bool bAutoDelete=true)
 PdfDifferenceEncoding (const PdfEncodingDifference &rDifference, PdfVecObjects *pParent, bool bAutoDelete=true)
 PdfDifferenceEncoding (const PdfEncodingDifference &rDifference, EBaseEncoding eBaseEncoding, PdfDocument *pParent, bool bAutoDelete=true)
 PdfDifferenceEncoding (const PdfEncodingDifference &rDifference, EBaseEncoding eBaseEncoding, PdfVecObjects *pParent, bool bAutoDelete=true)
 PdfDifferenceEncoding (PdfObject *pObject, bool bAutoDelete=true)
virtual void AddToDictionary (PdfDictionary &rDictionary) const
virtual PdfString ConvertToUnicode (const PdfString &rEncodedString, const PdfFont *pFont) const
virtual PdfRefCountedBuffer ConvertToEncoding (const PdfString &rString, const PdfFont *pFont) const
virtual bool IsAutoDelete () const
virtual bool IsSingleByteEncoding () const
const PdfEncodingDifferenceGetDifferences () const
virtual pdf_utf16be GetCharCode (int nIndex) const

Static Public Member Functions

pdf_utf16be NameToUnicodeID (const PdfName &rName)
PdfName UnicodeIDToName (pdf_utf16be inCodePoint)

Protected Member Functions

virtual const PdfNameGetID () const

Detailed Description

PdfDifferenceEncoding is an encoding, which is based on either the fonts encoding or a predefined encoding and defines differences to this base encoding.


Member Enumeration Documentation

enum PoDoFo::PdfDifferenceEncoding::EBaseEncoding
 

Defines the base encoding from which a PdfDifferenceEncoding differs.

Enumeration values:
eBaseEncoding_Font  Use The fonts encoding as base.
eBaseEncoding_WinAnsi  Use WinAnsiEncoding as base encoding.
eBaseEncoding_MacRoman  Use MacRomanEncoding as base encoding.
eBaseEncoding_MacExpert  Use MacExpertEncoding as base encoding.


Constructor & Destructor Documentation

PoDoFo::PdfDifferenceEncoding::PdfDifferenceEncoding const PdfEncodingDifference rDifference,
PdfDocument pParent,
bool  bAutoDelete = true
 

Create a new PdfDifferenceEncoding which is based on the fonts encoding.

Parameters:
rDifference the differences in this encoding
pParent parent PdfVecObjects. Add a newly created object to this vector.
bAutoDelete if true the encoding is deleted by its owning font

PoDoFo::PdfDifferenceEncoding::PdfDifferenceEncoding const PdfEncodingDifference rDifference,
PdfVecObjects pParent,
bool  bAutoDelete = true
 

Create a new PdfDifferenceEncoding which is based on the fonts encoding.

Parameters:
rDifference the differences in this encoding
pParent parent PdfDocument. Add a newly created object to this vector.
bAutoDelete if true the encoding is deleted by its owning font

PoDoFo::PdfDifferenceEncoding::PdfDifferenceEncoding const PdfEncodingDifference rDifference,
EBaseEncoding  eBaseEncoding,
PdfDocument pParent,
bool  bAutoDelete = true
 

Create a new PdfDifferenceEncoding which is based on a predefined encoding.

Parameters:
rDifference the differences in this encoding
eBaseEncoding the base encoding of this font
pParent parent PdfDocument. Add a newly created object to this vector.
bAutoDelete if true the encoding is deleted by its owning font

PoDoFo::PdfDifferenceEncoding::PdfDifferenceEncoding const PdfEncodingDifference rDifference,
EBaseEncoding  eBaseEncoding,
PdfVecObjects pParent,
bool  bAutoDelete = true
 

Create a new PdfDifferenceEncoding which is based on a predefined encoding.

Parameters:
rDifference the differences in this encoding
eBaseEncoding the base encoding of this font
pParent parent PdfVecObjects. Add a newly created object to this vector.
bAutoDelete if true the encoding is deleted by its owning font

PoDoFo::PdfDifferenceEncoding::PdfDifferenceEncoding PdfObject pObject,
bool  bAutoDelete = true
 

Create a new PdfDifferenceEncoding from an existing object in a PDF file.

Parameters:
pObject an existing differences encoding
bAutoDelete if true the encoding is deleted by its owning font


Member Function Documentation

void PoDoFo::PdfDifferenceEncoding::AddToDictionary PdfDictionary &  rDictionary  )  const [virtual]
 

Add this encoding object to a dictionary usually be adding an /Encoding key in font dictionaries.

Parameters:
rDictionary add the encoding to this dictionary

Implements PoDoFo::PdfEncoding.

PdfRefCountedBuffer PoDoFo::PdfDifferenceEncoding::ConvertToEncoding const PdfString rString,
const PdfFont pFont
const [virtual]
 

Convert a unicode PdfString to a string encoded with this encoding.

Parameters:
rString an unicode PdfString.
pFont the font for which this string is converted
Returns:
an encoded PdfRefCountedBuffer. The PdfRefCountedBuffer is treated as a series of bytes and is allowed to have 0 bytes. The returned buffer must not be a unicode string.

Implements PoDoFo::PdfEncoding.

PdfString PoDoFo::PdfDifferenceEncoding::ConvertToUnicode const PdfString rEncodedString,
const PdfFont pFont
const [virtual]
 

Convert a string that is encoded with this encoding to an unicode PdfString.

Parameters:
rEncodedString a string encoded by this encoding. Usually this string was read from a content stream.
pFont the font for which this string is converted
Returns:
an unicode PdfString.

Implements PoDoFo::PdfEncoding.

pdf_utf16be PoDoFo::PdfDifferenceEncoding::GetCharCode int  nIndex  )  const [virtual]
 

Get the unicode character code for this encoding at the position nIndex. nIndex is a position between GetFirstChar() and GetLastChar()

Parameters:
nIndex character code at position index
Returns:
unicode character code
See also:
GetFirstChar

GetLastChar

Will throw an exception if nIndex is out of range.

Implements PoDoFo::PdfEncoding.

const PdfEncodingDifference & PoDoFo::PdfDifferenceEncoding::GetDifferences  )  const [inline]
 

Get read-only access to the object containing the actual differences.

Returns:
the container with the actual differences

const PdfName & PoDoFo::PdfDifferenceEncoding::GetID  )  const [inline, protected, virtual]
 

Get a unique ID for this encoding which can used for comparisons!

Returns:
a unique id for this encoding!

Implements PoDoFo::PdfEncoding.

bool PoDoFo::PdfDifferenceEncoding::IsAutoDelete  )  const [inline, virtual]
 

Returns:
true if this encoding should be deleted automatically with the font.

Implements PoDoFo::PdfEncoding.

bool PoDoFo::PdfDifferenceEncoding::IsSingleByteEncoding  )  const [inline, virtual]
 

Returns:
true if this is a single byte encoding with a maximum of 256 values.

Implements PoDoFo::PdfEncoding.

pdf_utf16be PoDoFo::PdfDifferenceEncoding::NameToUnicodeID const PdfName rName  )  [static]
 

Convert a standard character name to a unicode code point

Parameters:
rName a standard character name
Returns:
an unicode code point

PdfName PoDoFo::PdfDifferenceEncoding::UnicodeIDToName pdf_utf16be  inCodePoint  )  [static]
 

Convert an unicode code point to a standard character name

Parameters:
inCodePoint a code point
Returns:
a standard character name of /.notdef if none could be found


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