Class SetaPDF_Core_Font_TrueType_Subset_File_ByteEncoding in SetaPDF v2 API Reference

Index

\SetaPDF
1. Core
2. Core
  1. Font
  2. Font
    1. TrueType
    2. TrueType
      1. Subset
      2. Subset
        File
        File
        ByteEncoding
        Identity

SetaPDF_Core_Font_TrueType_Subset_File_ByteEncoding Font subsetting class used for single byte encoding.

File: /SetaPDF v2/Core/Font/TrueType/Subset/File/ByteEncoding.php

Class hierarchy

SetaPDF_Core_Font_TrueType_Subset_File
- SetaPDF_Core_Font_TrueType_Subset_File_ByteEncoding

Summary

Properties

$_cmapOriginSubTable

private SetaPDF_Core_Font_TrueType_Table_CharacterToGlyphIndexMapping_SubTable SetaPDF_Core_Font_TrueType_Subset_File_ByteEncoding::$_cmapOriginSubTable

The origin cmap subtable.

$_cmapTargetSubTable

private SetaPDF_Core_Font_TrueType_Subset_Table_CharacterToGlyphIndexMapping_ByteEncoding SetaPDF_Core_Font_TrueType_Subset_File_ByteEncoding::$_cmapTargetSubTable

The resulting cmap subtable.

$_glyf

private SetaPDF_Core_Font_TrueType_Subset_Table_GlyphData SetaPDF_Core_Font_TrueType_Subset_File_ByteEncoding::$_glyf

The glyf table.

$_mapping

private array SetaPDF_Core_Font_TrueType_Subset_File_ByteEncoding::$_mapping = array()

The char code to glyph id mapping.

$_tables

protected SetaPDF_Core_Font_TrueType_Subset_Table[] SetaPDF_Core_Font_TrueType_Subset_File::$_tables = array()

The table instances.

Static Methods

calculateChecksumAdjustment()

public static SetaPDF_Core_Font_TrueType_Subset_File::calculateChecksumAdjustment (

string $offsetData, string[] $checksums

): string

Calculates the checksum adjustment.

Parameters

$offsetData : string
$checksums : string[]

calculateTableChecksum()

public static SetaPDF_Core_Font_TrueType_Subset_File::calculateTableChecksum (

string $data

): string

Calculates a table checksum.

Parameters

$data : string

Methods

__construct()

public SetaPDF_Core_Font_TrueType_Subset_File_ByteEncoding::__construct (

SetaPDF_Core_Font_TrueType_File $font

)

The constructor.

Parameters

$font : SetaPDF_Core_Font_TrueType_File

Exceptions

Throws SetaPDF_Core_Font_Exception

_prepareSubset()

protected SetaPDF_Core_Font_TrueType_Subset_File::_prepareSubset (

void

): void

Prepares the data for sub-setting.

Exceptions

Throws SetaPDF_Core_Font_Exception

_resolveGlyphs()

protected SetaPDF_Core_Font_TrueType_Subset_File::_resolveGlyphs (

array $glyphs, array &$data [, int $depth = 0 ]

): array

Resolves all the glyphs recursively and updates the data array accordingly.

Parameters

$glyphs : array
$data : array
$depth : int

Exceptions

Throws SetaPDF_Core_Font_Exception

_writeOffsetTable()

public SetaPDF_Core_Font_TrueType_Subset_File::_writeOffsetTable (

SetaPDF_Core_Writer_WriterInterface $writer

): void

Writes the offset table.

Parameters

$writer : SetaPDF_Core_Writer_WriterInterface

_writeTable()

protected SetaPDF_Core_Font_TrueType_Subset_File::_writeTable (

SetaPDF_Core_Writer_WriterInterface $writer, string $tag

): array

Writes a single table and returns information about it.

Parameters

$writer : SetaPDF_Core_Writer_WriterInterface
$tag : string

_writeTables()

private SetaPDF_Core_Font_TrueType_Subset_File::_writeTables (

SetaPDF_Core_Writer_WriterInterface $writer

): array

Writes the tables.

Parameters

$writer : SetaPDF_Core_Writer_WriterInterface

addChar()

public SetaPDF_Core_Font_TrueType_Subset_File_ByteEncoding::addChar (

string $char

): string

Adds a character to the subset and returns the value to which it is registered.

Parameters

$char : string: The char in UTF16-BE encoding

Exceptions

Throws SetaPDF_Exception_NotImplemented

addCharCode()

public SetaPDF_Core_Font_TrueType_Subset_File_ByteEncoding::addCharCode (

int $charCode

): int

Adds a char code to the subset.

Parameters

$charCode : int: The unicode point to add.

Return Values

The new point in the individual encoding.

Exceptions

Throws SetaPDF_Exception_NotImplemented

cleanUp()

public SetaPDF_Core_Font_TrueType_Subset_File_ByteEncoding::cleanUp (

void

): void

Release memory and cycled references.

getFont()

public SetaPDF_Core_Font_TrueType_Subset_File::getFont (

void

): SetaPDF_Core_Font_TrueType_File

Gets the original font.

getTable()

public SetaPDF_Core_Font_TrueType_Subset_File::getTable (

string $tag

): SetaPDF_Core_Font_TrueType_Subset_Table

Gets a table.

Parameters

$tag : string

Exceptions

Throws SetaPDF_Core_Font_Exception

subset()

public SetaPDF_Core_Font_TrueType_Subset_File::subset (

SetaPDF_Core_Writer_WriterInterface $writer

): void

Subsets the font.

Parameters

$writer : SetaPDF_Core_Writer_WriterInterface

Exceptions

Throws SetaPDF_Core_Font_Exception