Sgss_Font_Truetype_Metrics
Represents an aggregation of TrueType font and glyph metrics

Description

Class diagram:

Sgss_Font_Metrics_Abstract
 + Sgss_Font_Truetype_Metrics

Used by:

Sgss_Font_Truetype::__construct()

Author:

Matsuda Shota

Copyright:

(c) 2007-2008 Matsuda Shota

Usedby:

Sgss_Font_Truetype::__construct()

License:

http://creativecommons.org/licenses/GPL/2.0/

Located in:

/Font/Truetype/Metrics.php (line 56)

Class overview

Variables

Inherited from Sgss_Font_Metrics_Abstract:

Sgss_Font_Metrics_Abstract::$_missingGlyph

Methods

Inherited from Sgss_Font_Metrics_Abstract:

__construct(), getGlyphs()

Variable detail

$_ascent 

Ascent in EM square grid of this font

Signature:

protected int $_ascent

$_capHeight 

Cap height in EM square grid of this font

Signature:

protected int $_capHeight

$_descent 

Descent in EM square grid of this font

Signature:

protected int $_descent

$_lineGap 

Line gap in EM square grid of this font

Signature:

protected int $_lineGap

$_maxAdvance 

Maximum advance in EM square grid of every glyphs in this font

Signature:

protected int $_maxAdvance

$_maxAscent 

Maximum ascent in EM square grid of every glyphs in this font

Signature:

protected int $_maxAscent

$_maxDescent 

Maximum descent in EM square grid of every glyphs in this font

Signature:

protected int $_maxDescent

$_numGlyphs 

Number of glyphs in this font

Signature:

protected int $_numGlyphs

$_numMetrics 

Number of glyph metrices in this font

Signature:

protected int $_numMetrics

$_scaler 

Number of grids per EM length

Signature:

protected int $_scaler

$_xHeight 

X height in EM square grid of this font

Signature:

protected int $_xHeight

Method detail

__construct

The constructor

Parameters:

• Sgss_Font_Cache $cache

  Cache file object to be used

Overrides:

• Sgss_Font_Metrics_Abstract::__construct()

  The constructor

Signature:

public __construct (Sgss_Font_Cache $cache)

getAscent

Returns the ascent of this font

Returns:

float -- Ascent of this font

Related subject:

Sgss_Font_Metrics_Interface::getAscent()

Signature:

public float getAscent ()

getCapHeight

Returns the cap height of this font

Returns:

float -- Cap height of this font

Related subject:

Sgss_Font_Metrics_Interface::getCapHeight()

Signature:

public float getCapHeight ()

getDescent

Returns the descent of this font

Returns:

float -- Descent of this font

Related subject:

Sgss_Font_Metrics_Interface::getDescent()

Signature:

public float getDescent ()

getGlyph

Returns the glyph metrics corresponding to the specified glyph code in this font

Parameters:

• int $glyphCode

  Glyph code

Returns:

Sgss_Font_Metrics_Glyph -- Glyph metrics corresponding to the glyph code

Related subject:

Sgss_Font_Metrics_Interface::getGlyph()

Signature:

public Sgss_Font_Metrics_Glyph getGlyph (int $glyphCode)

getLineGap

Returns the line gap of this font

Returns:

float -- Line gap of this font

Related subject:

Sgss_Font_Metrics_Interface::getLineGap()

Signature:

public float getLineGap ()

getMaxAdvance

Returns the maximum advance of every glyphs in this font

Returns:

float -- Maximum advance of every glyphs in this font

Related subject:

Sgss_Font_Metrics_Interface::getMaxAdvance()

Signature:

public float getMaxAdvance ()

getMaxAscent

Returns the maximum ascent of every glyphs in this font

Returns:

float -- Maximum ascent of every glyphs in this font

Related subject:

Sgss_Font_Metrics_Interface::getMaxAscent()

Signature:

public float getMaxAscent ()

getMaxDescent

Returns the maximum descent of every glyphs in this font

Returns:

float -- Maximum descent of every glyphs in this font

Related subject:

Sgss_Font_Metrics_Interface::getMaxDescent()

Signature:

public float getMaxDescent ()

getXHeight

Returns the x height of this font

Returns:

float -- X height of this font

Related subject:

Sgss_Font_Metrics_Interface::getXHeight()

Signature:

public float getXHeight ()