Class HorizontalMetrics in namespace setasign\SetaPDF2\Core\Font\TrueType\Subset\Table in SetaPDF v2 API Reference

Index

\setasign\SetaPDF2
1. Core
  1. Font
    1. TrueType
    2. TrueType
      1. Subset
      2. Subset
        
        Table
        
        AbstractTable
        
        CharacterToGlyphIndexMapping
        
        CharacterToGlyphIndexMapping
        
        ControlValue
        
        ControlValueProgram
        
        FontProgram
        
        GlyphData
        
        GlyphData
        
        Header
        
        HorizontalHeader
        
        HorizontalMetrics
        
        IndexToLocation
        
        MaximumProfile

setasign\SetaPDF2\Core\Font\TrueType\Subset\Table

HorizontalMetrics This class represents the "hmtx" table in a sub-setting context.

File: /SetaPDF v2/Core/Font/TrueType/Subset/Table/HorizontalMetrics.php
Old class name (alias): \SetaPDF_Core_Font_TrueType_Subset_Table_HorizontalMetrics

See https://www.microsoft.com/typography/otspec/hmtx.htm for more details.

Class hierarchy

AbstractTable
- HorizontalMetrics

Summary

Properties

$_changedData

protected array AbstractTable::$_changedData = array()

The modified data.

$_hMetrics

private array HorizontalMetrics::$_hMetrics = array()

The horizontal metrics.

$_optimized

private ?array HorizontalMetrics::$_optimized

The optimized horizontal metrics.

$_originalTable

protected \SetaPDF_Core_Font_TrueType_Table AbstractTable::$_originalTable

The original table.

Static Methods

getClassName()

public static AbstractTable::getClassName (

string $tag

): string

Get a class name by tag name.

Parameters

$tag : string

Exceptions

Throws \InvalidArgumentException

Methods

__construct()

public HorizontalMetrics::__construct (

\SetaPDF_Core_Font_TrueType_Table_HorizontalMetrics $table

)

The constructor.

Parameters

$table : \SetaPDF_Core_Font_TrueType_Table_HorizontalMetrics

addHMetric()

public HorizontalMetrics::addHMetric (

int $glyphId,
int $advanceWidth,
int $leftSideBearing

): void

Paired advance width and left side bearing values for each glyph.

Records are indexed by glyph id. There is no glyph id gap allowed in the data that gets added.

Parameters

$glyphId : int
$advanceWidth : int
$leftSideBearing : int

cleanUp()

public HorizontalMetrics::cleanUp (

void

): void

Release memory and cycled references.

getHMetric()

public HorizontalMetrics::getHMetric (

int $glyphId

): int[2]

Get the horizontal metric by a glyph id.

Parameters

$glyphId : int

getOriginalTable()

public AbstractTable::getOriginalTable (

void

): \SetaPDF_Core_Font_TrueType_Table

Gets the original table.

optimize()

public HorizontalMetrics::optimize (

void

): array

Optimizes the horizontal metrics data.

Return Values

The optimized horizontal metrics.

write()

public HorizontalMetrics::write (

\SetaPDF_Core_Writer_WriterInterface $writer

): void

Writes the table.

Parameters

$writer : \SetaPDF_Core_Writer_WriterInterface