Class: I2CE Encoding

This article desrcibes the class I2CE_Encoding.

• Location: Part of the module textlayout in the package TextLayout Tools
• Source: Defined in the file lib/I2CE_Encoding.php

helper library to store/look-up glyphnames associated to a character code.

Variables

$glyph_names

protected @var $glyph_names an array of arrays with values glyph names and keys unicode codepoints the first index of the array is the encoding type

• Type: protected $glyph_names

$encoding

• Type: protected $encoding

$mb_encoding

protected @var string $unicode_encoding

• Type: protected $mb_encoding

$useMB

• Type: protected $useMB

$fix

Some common incorrect glyph names

• Type: static public fix $fix

Methods

UnicodeFromCharactercode()

get the multibyte character associated to a character code

• Signature: public function UnicodeFromCharactercode($cc)
• Returns: int unicode codepoint

Parameters:

• int $cc
  the character code

UnicodeFromGlyphname()

get the multibyte character associated to a glyphname

• Signature: public function UnicodeFromGlyphname($gn)
• Returns: string n character in the selected encoding

Parameters:

• string $gn
  the glyp hname

UnicodeToCharacterCode()

get the character code to a unicode codepoint

• Signature: public function UnicodeToCharacterCode($in)

Parameters:

• mixed $in

UnicodeToGlyphname()

get the glpyh name associated to to a unicode codepoint

• Signature: public function UnicodeToGlyphname($in)

Parameters:

• mixed $in

__construct()

@param string $encoding_type -- set to the encoding used needs to be one of PHP multibyte strings encodings

• Signature: public function __construct($mb_encoding)

Parameters:

• $mb_encoding

changeGlyphNames()

Change the glyph names @param $names an associative array with the new value being the value and the old value being the key

• Signature: public function changeGlyphNames($names)

Parameters:

• $names

fixEuro()

Make sure U+20AC has the glyphname euro if it exists in this encoding

• Signature: public function fixEuro()

getEncodingType()

Get the unicode encoding to use

• Signature: public function getEncodingType()
• Returns: string $encoding with values:

readMap()

Read in a character encoding from a file exmaples are cp1250.map ISO-8859-1.map etc. this function has been graciously stolen from makefont.php

• Signature: public function readMap($enc_file)

Parameters:

• string $enc_file
  the file containing the character encoded

setCharacterCode()

Set the character code assoicated to a unicode code point

• Signature: public function setCharacterCode($cp,$cc)

Parameters:

• int $cp
  the unicode code point
• mixed $cc
  the character code (either int or a character)

setEncodingType()

• Signature: protected function setEncodingType($mb_encoding)

Parameters:

• $mb_encoding

setGlyphname()

Set the gylph name of a character

• Signature: public function setGlyphname($cp,$gn)

Parameters:

• int $cp
  the unicode code point
• string $gn
  the glyphname

useMB()

• Signature: public function useMB()