Index

  1. \SetaPDF
    1. Core
    2. Core
      1. Font
      2. Font
        1. TrueType
        2. TrueType
          1. Subset
          2. Subset
          3. Table
          4. Table
          5. File

SetaPDF_Core_Font_TrueType_File Parser class for TTF/OTF files

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

Based on the OpenType specification: http://www.microsoft.com/typography/otspec/

Class hierarchy

Summary

Methods

Properties

Properties

$_entrySelector

protected SetaPDF_Core_Font_TrueType_File::$_entrySelector

$_numTables

protected SetaPDF_Core_Font_TrueType_File::$_numTables

$_rangeShift

protected SetaPDF_Core_Font_TrueType_File::$_rangeShift

$_reader

protected SetaPDF_Core_Reader_Binary SetaPDF_Core_Font_TrueType_File::$_reader

The reader instance

$_searchRange

protected SetaPDF_Core_Font_TrueType_File::$_searchRange

$_sfntVersion

protected SetaPDF_Core_Font_TrueType_File::$_sfntVersion

$_tableRecords

protected SetaPDF_Core_Font_TrueType_Table_Record[] SetaPDF_Core_Font_TrueType_File::$_tableRecords = array()

Data of tables in the TTF file


Methods

__construct()

public SetaPDF_Core_Font_TrueType_File::__construct ()

The constructor.

Parameters
$reader : string|SetaPDF_Core_Reader_Binary
 
Exceptions

Throws SetaPDF_Core_Exception

Throws SetaPDF_Exception_NotImplemented

_getUnitsPerEm()

protected SetaPDF_Core_Font_TrueType_File::_getUnitsPerEm (
void
): float

Get the units per em.

Exceptions

Throws SetaPDF_Exception_NotImplemented

_seekTable()

protected SetaPDF_Core_Font_TrueType_File::_seekTable (
string $tag
): void

Set the file pointer to the start byte offset position of table.

Parameters
$tag : string
 
Exceptions

Throws SetaPDF_Core_Exception

areCharsCovered()

public SetaPDF_Core_Font_TrueType_File::areCharsCovered (
array $chars
): bool

Checks if characters are covered by this font.

Parameters
$chars : array

The chars in UTF-16BE encoding

Exceptions

Throws SetaPDF_Exception_NotImplemented

cleanUp()

public SetaPDF_Core_Font_TrueType_File::cleanUp (
void
): void

Release resources.

getEntrySelector()

public SetaPDF_Core_Font_TrueType_File::getEntrySelector (
void
): int

Get the entry selector value.

getNumTables()

public SetaPDF_Core_Font_TrueType_File::getNumTables (
void
): int

Get the number of tables.

getRangeShift()

public SetaPDF_Core_Font_TrueType_File::getRangeShift (
void
): int

Get the range shift value.

getReader()

public SetaPDF_Core_Font_TrueType_File::getReader (
void
): SetaPDF_Core_Reader_Binary

Get the reader instance.

getSearchRange()

public SetaPDF_Core_Font_TrueType_File::getSearchRange (
void
): int

Get the search range value.

getSfntVersion()

public SetaPDF_Core_Font_TrueType_File::getSfntVersion (
void
): int

Get the sfnt version.

getTable()

public SetaPDF_Core_Font_TrueType_File::getTable (
string $tag
): bool|SetaPDF_Core_Font_TrueType_Table

Get a tag specific table.

Parameters
$tag : string
 
Exceptions

Throws SetaPDF_Exception_NotImplemented

getWidth()

public SetaPDF_Core_Font_TrueType_File::getWidth (
string $char
): float

Get the width of a single character/glyph.

Parameters
$char : string
 
Exceptions

Throws SetaPDF_Core_Font_Exception,SetaPDF_Exception_NotImplemented

getWidths()

public SetaPDF_Core_Font_TrueType_File::getWidths (
array $chars
): array

Get character/glyph width values.

Parameters
$chars : array

The chars in UTF-16BE encoding

Exceptions

Throws SetaPDF_Core_Font_Exception,SetaPDF_Exception_NotImplemented

isCharCovered()

public SetaPDF_Core_Font_TrueType_File::isCharCovered (
string $char [, string $encoding = 'UTF-16BE' ]
): bool

Checks if a character is covered by this font.

Parameters
$char : string

The character in the specified encoding

$encoding : string

The encoding - default is UTF-16BE

Exceptions

Throws SetaPDF_Exception_NotImplemented

isEmbeddable()

public SetaPDF_Core_Font_TrueType_File::isEmbeddable (
void
): bool

Checks if a font is embeddable.

Exceptions

Throws SetaPDF_Core_Font_TrueType_Subset_Exception

Throws SetaPDF_Exception_NotImplemented

isSubsettable()

public SetaPDF_Core_Font_TrueType_File::isSubsettable (
void
): bool

Checks if a font is subsettable and embeddable.

Exceptions

Throws SetaPDF_Core_Font_TrueType_Subset_Exception

Throws SetaPDF_Exception_NotImplemented

tableExists()

public SetaPDF_Core_Font_TrueType_File::tableExists (
string $tag
): bool

Check if a specific table exists.

Parameters
$tag : string
 

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